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authoraltaf-creator <dev@altafcreator.com>2026-04-30 22:01:53 +0800
committeraltaf-creator <dev@altafcreator.com>2026-04-30 22:01:53 +0800
commitdb1c6676a13798ee57dbac429a1d5045b60356fb (patch)
tree5ff305c09686de50bbcac404c1954e42c26ba494 /packages/markdown-it-14.1.0/dist
parent97fa8f57fbefcbfa6b3e56c31a1e5b60ef1a9e37 (diff)
quite a big commit
Diffstat (limited to 'packages/markdown-it-14.1.0/dist')
-rw-r--r--packages/markdown-it-14.1.0/dist/index.cjs.js5540
-rw-r--r--packages/markdown-it-14.1.0/dist/markdown-it.js6963
-rw-r--r--packages/markdown-it-14.1.0/dist/markdown-it.min.js2
3 files changed, 0 insertions, 12505 deletions
diff --git a/packages/markdown-it-14.1.0/dist/index.cjs.js b/packages/markdown-it-14.1.0/dist/index.cjs.js
deleted file mode 100644
index 5ba2eaa..0000000
--- a/packages/markdown-it-14.1.0/dist/index.cjs.js
+++ /dev/null
@@ -1,5540 +0,0 @@
-'use strict';
-
-var mdurl = require('mdurl');
-var ucmicro = require('uc.micro');
-var entities = require('entities');
-var LinkifyIt = require('linkify-it');
-var punycode = require('punycode.js');
-
-function _interopNamespaceDefault(e) {
- var n = Object.create(null);
- if (e) {
- Object.keys(e).forEach(function (k) {
- if (k !== 'default') {
- var d = Object.getOwnPropertyDescriptor(e, k);
- Object.defineProperty(n, k, d.get ? d : {
- enumerable: true,
- get: function () { return e[k]; }
- });
- }
- });
- }
- n.default = e;
- return Object.freeze(n);
-}
-
-var mdurl__namespace = /*#__PURE__*/_interopNamespaceDefault(mdurl);
-var ucmicro__namespace = /*#__PURE__*/_interopNamespaceDefault(ucmicro);
-
-// Utilities
-//
-
-function _class(obj) {
- return Object.prototype.toString.call(obj);
-}
-function isString(obj) {
- return _class(obj) === '[object String]';
-}
-const _hasOwnProperty = Object.prototype.hasOwnProperty;
-function has(object, key) {
- return _hasOwnProperty.call(object, key);
-}
-
-// Merge objects
-//
-function assign(obj /* from1, from2, from3, ... */) {
- const sources = Array.prototype.slice.call(arguments, 1);
- sources.forEach(function (source) {
- if (!source) {
- return;
- }
- if (typeof source !== 'object') {
- throw new TypeError(source + 'must be object');
- }
- Object.keys(source).forEach(function (key) {
- obj[key] = source[key];
- });
- });
- return obj;
-}
-
-// Remove element from array and put another array at those position.
-// Useful for some operations with tokens
-function arrayReplaceAt(src, pos, newElements) {
- return [].concat(src.slice(0, pos), newElements, src.slice(pos + 1));
-}
-function isValidEntityCode(c) {
- /* eslint no-bitwise:0 */
- // broken sequence
- if (c >= 0xD800 && c <= 0xDFFF) {
- return false;
- }
- // never used
- if (c >= 0xFDD0 && c <= 0xFDEF) {
- return false;
- }
- if ((c & 0xFFFF) === 0xFFFF || (c & 0xFFFF) === 0xFFFE) {
- return false;
- }
- // control codes
- if (c >= 0x00 && c <= 0x08) {
- return false;
- }
- if (c === 0x0B) {
- return false;
- }
- if (c >= 0x0E && c <= 0x1F) {
- return false;
- }
- if (c >= 0x7F && c <= 0x9F) {
- return false;
- }
- // out of range
- if (c > 0x10FFFF) {
- return false;
- }
- return true;
-}
-function fromCodePoint(c) {
- /* eslint no-bitwise:0 */
- if (c > 0xffff) {
- c -= 0x10000;
- const surrogate1 = 0xd800 + (c >> 10);
- const surrogate2 = 0xdc00 + (c & 0x3ff);
- return String.fromCharCode(surrogate1, surrogate2);
- }
- return String.fromCharCode(c);
-}
-const UNESCAPE_MD_RE = /\\([!"#$%&'()*+,\-./:;<=>?@[\\\]^_`{|}~])/g;
-const ENTITY_RE = /&([a-z#][a-z0-9]{1,31});/gi;
-const UNESCAPE_ALL_RE = new RegExp(UNESCAPE_MD_RE.source + '|' + ENTITY_RE.source, 'gi');
-const DIGITAL_ENTITY_TEST_RE = /^#((?:x[a-f0-9]{1,8}|[0-9]{1,8}))$/i;
-function replaceEntityPattern(match, name) {
- if (name.charCodeAt(0) === 0x23 /* # */ && DIGITAL_ENTITY_TEST_RE.test(name)) {
- const code = name[1].toLowerCase() === 'x' ? parseInt(name.slice(2), 16) : parseInt(name.slice(1), 10);
- if (isValidEntityCode(code)) {
- return fromCodePoint(code);
- }
- return match;
- }
- const decoded = entities.decodeHTML(match);
- if (decoded !== match) {
- return decoded;
- }
- return match;
-}
-
-/* function replaceEntities(str) {
- if (str.indexOf('&') < 0) { return str; }
-
- return str.replace(ENTITY_RE, replaceEntityPattern);
-} */
-
-function unescapeMd(str) {
- if (str.indexOf('\\') < 0) {
- return str;
- }
- return str.replace(UNESCAPE_MD_RE, '$1');
-}
-function unescapeAll(str) {
- if (str.indexOf('\\') < 0 && str.indexOf('&') < 0) {
- return str;
- }
- return str.replace(UNESCAPE_ALL_RE, function (match, escaped, entity) {
- if (escaped) {
- return escaped;
- }
- return replaceEntityPattern(match, entity);
- });
-}
-const HTML_ESCAPE_TEST_RE = /[&<>"]/;
-const HTML_ESCAPE_REPLACE_RE = /[&<>"]/g;
-const HTML_REPLACEMENTS = {
- '&': '&amp;',
- '<': '&lt;',
- '>': '&gt;',
- '"': '&quot;'
-};
-function replaceUnsafeChar(ch) {
- return HTML_REPLACEMENTS[ch];
-}
-function escapeHtml(str) {
- if (HTML_ESCAPE_TEST_RE.test(str)) {
- return str.replace(HTML_ESCAPE_REPLACE_RE, replaceUnsafeChar);
- }
- return str;
-}
-const REGEXP_ESCAPE_RE = /[.?*+^$[\]\\(){}|-]/g;
-function escapeRE(str) {
- return str.replace(REGEXP_ESCAPE_RE, '\\$&');
-}
-function isSpace(code) {
- switch (code) {
- case 0x09:
- case 0x20:
- return true;
- }
- return false;
-}
-
-// Zs (unicode class) || [\t\f\v\r\n]
-function isWhiteSpace(code) {
- if (code >= 0x2000 && code <= 0x200A) {
- return true;
- }
- switch (code) {
- case 0x09: // \t
- case 0x0A: // \n
- case 0x0B: // \v
- case 0x0C: // \f
- case 0x0D: // \r
- case 0x20:
- case 0xA0:
- case 0x1680:
- case 0x202F:
- case 0x205F:
- case 0x3000:
- return true;
- }
- return false;
-}
-
-/* eslint-disable max-len */
-
-// Currently without astral characters support.
-function isPunctChar(ch) {
- return ucmicro__namespace.P.test(ch) || ucmicro__namespace.S.test(ch);
-}
-
-// Markdown ASCII punctuation characters.
-//
-// !, ", #, $, %, &, ', (, ), *, +, ,, -, ., /, :, ;, <, =, >, ?, @, [, \, ], ^, _, `, {, |, }, or ~
-// http://spec.commonmark.org/0.15/#ascii-punctuation-character
-//
-// Don't confuse with unicode punctuation !!! It lacks some chars in ascii range.
-//
-function isMdAsciiPunct(ch) {
- switch (ch) {
- case 0x21 /* ! */:
- case 0x22 /* " */:
- case 0x23 /* # */:
- case 0x24 /* $ */:
- case 0x25 /* % */:
- case 0x26 /* & */:
- case 0x27 /* ' */:
- case 0x28 /* ( */:
- case 0x29 /* ) */:
- case 0x2A /* * */:
- case 0x2B /* + */:
- case 0x2C /* , */:
- case 0x2D /* - */:
- case 0x2E /* . */:
- case 0x2F /* / */:
- case 0x3A /* : */:
- case 0x3B /* ; */:
- case 0x3C /* < */:
- case 0x3D /* = */:
- case 0x3E /* > */:
- case 0x3F /* ? */:
- case 0x40 /* @ */:
- case 0x5B /* [ */:
- case 0x5C /* \ */:
- case 0x5D /* ] */:
- case 0x5E /* ^ */:
- case 0x5F /* _ */:
- case 0x60 /* ` */:
- case 0x7B /* { */:
- case 0x7C /* | */:
- case 0x7D /* } */:
- case 0x7E /* ~ */:
- return true;
- default:
- return false;
- }
-}
-
-// Hepler to unify [reference labels].
-//
-function normalizeReference(str) {
- // Trim and collapse whitespace
- //
- str = str.trim().replace(/\s+/g, ' ');
-
- // In node v10 'ẞ'.toLowerCase() === 'Ṿ', which is presumed to be a bug
- // fixed in v12 (couldn't find any details).
- //
- // So treat this one as a special case
- // (remove this when node v10 is no longer supported).
- //
- if ('ẞ'.toLowerCase() === 'Ṿ') {
- str = str.replace(/ẞ/g, 'ß');
- }
-
- // .toLowerCase().toUpperCase() should get rid of all differences
- // between letter variants.
- //
- // Simple .toLowerCase() doesn't normalize 125 code points correctly,
- // and .toUpperCase doesn't normalize 6 of them (list of exceptions:
- // İ, ϴ, ẞ, Ω, K, Å - those are already uppercased, but have differently
- // uppercased versions).
- //
- // Here's an example showing how it happens. Lets take greek letter omega:
- // uppercase U+0398 (Θ), U+03f4 (ϴ) and lowercase U+03b8 (θ), U+03d1 (ϑ)
- //
- // Unicode entries:
- // 0398;GREEK CAPITAL LETTER THETA;Lu;0;L;;;;;N;;;;03B8;
- // 03B8;GREEK SMALL LETTER THETA;Ll;0;L;;;;;N;;;0398;;0398
- // 03D1;GREEK THETA SYMBOL;Ll;0;L;<compat> 03B8;;;;N;GREEK SMALL LETTER SCRIPT THETA;;0398;;0398
- // 03F4;GREEK CAPITAL THETA SYMBOL;Lu;0;L;<compat> 0398;;;;N;;;;03B8;
- //
- // Case-insensitive comparison should treat all of them as equivalent.
- //
- // But .toLowerCase() doesn't change ϑ (it's already lowercase),
- // and .toUpperCase() doesn't change ϴ (already uppercase).
- //
- // Applying first lower then upper case normalizes any character:
- // '\u0398\u03f4\u03b8\u03d1'.toLowerCase().toUpperCase() === '\u0398\u0398\u0398\u0398'
- //
- // Note: this is equivalent to unicode case folding; unicode normalization
- // is a different step that is not required here.
- //
- // Final result should be uppercased, because it's later stored in an object
- // (this avoid a conflict with Object.prototype members,
- // most notably, `__proto__`)
- //
- return str.toLowerCase().toUpperCase();
-}
-
-// Re-export libraries commonly used in both markdown-it and its plugins,
-// so plugins won't have to depend on them explicitly, which reduces their
-// bundled size (e.g. a browser build).
-//
-const lib = {
- mdurl: mdurl__namespace,
- ucmicro: ucmicro__namespace
-};
-
-var utils = /*#__PURE__*/Object.freeze({
- __proto__: null,
- arrayReplaceAt: arrayReplaceAt,
- assign: assign,
- escapeHtml: escapeHtml,
- escapeRE: escapeRE,
- fromCodePoint: fromCodePoint,
- has: has,
- isMdAsciiPunct: isMdAsciiPunct,
- isPunctChar: isPunctChar,
- isSpace: isSpace,
- isString: isString,
- isValidEntityCode: isValidEntityCode,
- isWhiteSpace: isWhiteSpace,
- lib: lib,
- normalizeReference: normalizeReference,
- unescapeAll: unescapeAll,
- unescapeMd: unescapeMd
-});
-
-// Parse link label
-//
-// this function assumes that first character ("[") already matches;
-// returns the end of the label
-//
-
-function parseLinkLabel(state, start, disableNested) {
- let level, found, marker, prevPos;
- const max = state.posMax;
- const oldPos = state.pos;
- state.pos = start + 1;
- level = 1;
- while (state.pos < max) {
- marker = state.src.charCodeAt(state.pos);
- if (marker === 0x5D /* ] */) {
- level--;
- if (level === 0) {
- found = true;
- break;
- }
- }
- prevPos = state.pos;
- state.md.inline.skipToken(state);
- if (marker === 0x5B /* [ */) {
- if (prevPos === state.pos - 1) {
- // increase level if we find text `[`, which is not a part of any token
- level++;
- } else if (disableNested) {
- state.pos = oldPos;
- return -1;
- }
- }
- }
- let labelEnd = -1;
- if (found) {
- labelEnd = state.pos;
- }
-
- // restore old state
- state.pos = oldPos;
- return labelEnd;
-}
-
-// Parse link destination
-//
-
-function parseLinkDestination(str, start, max) {
- let code;
- let pos = start;
- const result = {
- ok: false,
- pos: 0,
- str: ''
- };
- if (str.charCodeAt(pos) === 0x3C /* < */) {
- pos++;
- while (pos < max) {
- code = str.charCodeAt(pos);
- if (code === 0x0A /* \n */) {
- return result;
- }
- if (code === 0x3C /* < */) {
- return result;
- }
- if (code === 0x3E /* > */) {
- result.pos = pos + 1;
- result.str = unescapeAll(str.slice(start + 1, pos));
- result.ok = true;
- return result;
- }
- if (code === 0x5C /* \ */ && pos + 1 < max) {
- pos += 2;
- continue;
- }
- pos++;
- }
-
- // no closing '>'
- return result;
- }
-
- // this should be ... } else { ... branch
-
- let level = 0;
- while (pos < max) {
- code = str.charCodeAt(pos);
- if (code === 0x20) {
- break;
- }
-
- // ascii control characters
- if (code < 0x20 || code === 0x7F) {
- break;
- }
- if (code === 0x5C /* \ */ && pos + 1 < max) {
- if (str.charCodeAt(pos + 1) === 0x20) {
- break;
- }
- pos += 2;
- continue;
- }
- if (code === 0x28 /* ( */) {
- level++;
- if (level > 32) {
- return result;
- }
- }
- if (code === 0x29 /* ) */) {
- if (level === 0) {
- break;
- }
- level--;
- }
- pos++;
- }
- if (start === pos) {
- return result;
- }
- if (level !== 0) {
- return result;
- }
- result.str = unescapeAll(str.slice(start, pos));
- result.pos = pos;
- result.ok = true;
- return result;
-}
-
-// Parse link title
-//
-
-
-// Parse link title within `str` in [start, max] range,
-// or continue previous parsing if `prev_state` is defined (equal to result of last execution).
-//
-function parseLinkTitle(str, start, max, prev_state) {
- let code;
- let pos = start;
- const state = {
- // if `true`, this is a valid link title
- ok: false,
- // if `true`, this link can be continued on the next line
- can_continue: false,
- // if `ok`, it's the position of the first character after the closing marker
- pos: 0,
- // if `ok`, it's the unescaped title
- str: '',
- // expected closing marker character code
- marker: 0
- };
- if (prev_state) {
- // this is a continuation of a previous parseLinkTitle call on the next line,
- // used in reference links only
- state.str = prev_state.str;
- state.marker = prev_state.marker;
- } else {
- if (pos >= max) {
- return state;
- }
- let marker = str.charCodeAt(pos);
- if (marker !== 0x22 /* " */ && marker !== 0x27 /* ' */ && marker !== 0x28 /* ( */) {
- return state;
- }
- start++;
- pos++;
-
- // if opening marker is "(", switch it to closing marker ")"
- if (marker === 0x28) {
- marker = 0x29;
- }
- state.marker = marker;
- }
- while (pos < max) {
- code = str.charCodeAt(pos);
- if (code === state.marker) {
- state.pos = pos + 1;
- state.str += unescapeAll(str.slice(start, pos));
- state.ok = true;
- return state;
- } else if (code === 0x28 /* ( */ && state.marker === 0x29 /* ) */) {
- return state;
- } else if (code === 0x5C /* \ */ && pos + 1 < max) {
- pos++;
- }
- pos++;
- }
-
- // no closing marker found, but this link title may continue on the next line (for references)
- state.can_continue = true;
- state.str += unescapeAll(str.slice(start, pos));
- return state;
-}
-
-// Just a shortcut for bulk export
-
-var helpers = /*#__PURE__*/Object.freeze({
- __proto__: null,
- parseLinkDestination: parseLinkDestination,
- parseLinkLabel: parseLinkLabel,
- parseLinkTitle: parseLinkTitle
-});
-
-/**
- * class Renderer
- *
- * Generates HTML from parsed token stream. Each instance has independent
- * copy of rules. Those can be rewritten with ease. Also, you can add new
- * rules if you create plugin and adds new token types.
- **/
-
-const default_rules = {};
-default_rules.code_inline = function (tokens, idx, options, env, slf) {
- const token = tokens[idx];
- return '<code' + slf.renderAttrs(token) + '>' + escapeHtml(token.content) + '</code>';
-};
-default_rules.code_block = function (tokens, idx, options, env, slf) {
- const token = tokens[idx];
- return '<pre' + slf.renderAttrs(token) + '><code>' + escapeHtml(tokens[idx].content) + '</code></pre>\n';
-};
-default_rules.fence = function (tokens, idx, options, env, slf) {
- const token = tokens[idx];
- const info = token.info ? unescapeAll(token.info).trim() : '';
- let langName = '';
- let langAttrs = '';
- if (info) {
- const arr = info.split(/(\s+)/g);
- langName = arr[0];
- langAttrs = arr.slice(2).join('');
- }
- let highlighted;
- if (options.highlight) {
- highlighted = options.highlight(token.content, langName, langAttrs) || escapeHtml(token.content);
- } else {
- highlighted = escapeHtml(token.content);
- }
- if (highlighted.indexOf('<pre') === 0) {
- return highlighted + '\n';
- }
-
- // If language exists, inject class gently, without modifying original token.
- // May be, one day we will add .deepClone() for token and simplify this part, but
- // now we prefer to keep things local.
- if (info) {
- const i = token.attrIndex('class');
- const tmpAttrs = token.attrs ? token.attrs.slice() : [];
- if (i < 0) {
- tmpAttrs.push(['class', options.langPrefix + langName]);
- } else {
- tmpAttrs[i] = tmpAttrs[i].slice();
- tmpAttrs[i][1] += ' ' + options.langPrefix + langName;
- }
-
- // Fake token just to render attributes
- const tmpToken = {
- attrs: tmpAttrs
- };
- return `<pre><code${slf.renderAttrs(tmpToken)}>${highlighted}</code></pre>\n`;
- }
- return `<pre><code${slf.renderAttrs(token)}>${highlighted}</code></pre>\n`;
-};
-default_rules.image = function (tokens, idx, options, env, slf) {
- const token = tokens[idx];
-
- // "alt" attr MUST be set, even if empty. Because it's mandatory and
- // should be placed on proper position for tests.
- //
- // Replace content with actual value
-
- token.attrs[token.attrIndex('alt')][1] = slf.renderInlineAsText(token.children, options, env);
- return slf.renderToken(tokens, idx, options);
-};
-default_rules.hardbreak = function (tokens, idx, options /*, env */) {
- return options.xhtmlOut ? '<br />\n' : '<br>\n';
-};
-default_rules.softbreak = function (tokens, idx, options /*, env */) {
- return options.breaks ? options.xhtmlOut ? '<br />\n' : '<br>\n' : '\n';
-};
-default_rules.text = function (tokens, idx /*, options, env */) {
- return escapeHtml(tokens[idx].content);
-};
-default_rules.html_block = function (tokens, idx /*, options, env */) {
- return tokens[idx].content;
-};
-default_rules.html_inline = function (tokens, idx /*, options, env */) {
- return tokens[idx].content;
-};
-
-/**
- * new Renderer()
- *
- * Creates new [[Renderer]] instance and fill [[Renderer#rules]] with defaults.
- **/
-function Renderer() {
- /**
- * Renderer#rules -> Object
- *
- * Contains render rules for tokens. Can be updated and extended.
- *
- * ##### Example
- *
- * ```javascript
- * var md = require('markdown-it')();
- *
- * md.renderer.rules.strong_open = function () { return '<b>'; };
- * md.renderer.rules.strong_close = function () { return '</b>'; };
- *
- * var result = md.renderInline(...);
- * ```
- *
- * Each rule is called as independent static function with fixed signature:
- *
- * ```javascript
- * function my_token_render(tokens, idx, options, env, renderer) {
- * // ...
- * return renderedHTML;
- * }
- * ```
- *
- * See [source code](https://github.com/markdown-it/markdown-it/blob/master/lib/renderer.mjs)
- * for more details and examples.
- **/
- this.rules = assign({}, default_rules);
-}
-
-/**
- * Renderer.renderAttrs(token) -> String
- *
- * Render token attributes to string.
- **/
-Renderer.prototype.renderAttrs = function renderAttrs(token) {
- let i, l, result;
- if (!token.attrs) {
- return '';
- }
- result = '';
- for (i = 0, l = token.attrs.length; i < l; i++) {
- result += ' ' + escapeHtml(token.attrs[i][0]) + '="' + escapeHtml(token.attrs[i][1]) + '"';
- }
- return result;
-};
-
-/**
- * Renderer.renderToken(tokens, idx, options) -> String
- * - tokens (Array): list of tokens
- * - idx (Numbed): token index to render
- * - options (Object): params of parser instance
- *
- * Default token renderer. Can be overriden by custom function
- * in [[Renderer#rules]].
- **/
-Renderer.prototype.renderToken = function renderToken(tokens, idx, options) {
- const token = tokens[idx];
- let result = '';
-
- // Tight list paragraphs
- if (token.hidden) {
- return '';
- }
-
- // Insert a newline between hidden paragraph and subsequent opening
- // block-level tag.
- //
- // For example, here we should insert a newline before blockquote:
- // - a
- // >
- //
- if (token.block && token.nesting !== -1 && idx && tokens[idx - 1].hidden) {
- result += '\n';
- }
-
- // Add token name, e.g. `<img`
- result += (token.nesting === -1 ? '</' : '<') + token.tag;
-
- // Encode attributes, e.g. `<img src="foo"`
- result += this.renderAttrs(token);
-
- // Add a slash for self-closing tags, e.g. `<img src="foo" /`
- if (token.nesting === 0 && options.xhtmlOut) {
- result += ' /';
- }
-
- // Check if we need to add a newline after this tag
- let needLf = false;
- if (token.block) {
- needLf = true;
- if (token.nesting === 1) {
- if (idx + 1 < tokens.length) {
- const nextToken = tokens[idx + 1];
- if (nextToken.type === 'inline' || nextToken.hidden) {
- // Block-level tag containing an inline tag.
- //
- needLf = false;
- } else if (nextToken.nesting === -1 && nextToken.tag === token.tag) {
- // Opening tag + closing tag of the same type. E.g. `<li></li>`.
- //
- needLf = false;
- }
- }
- }
- }
- result += needLf ? '>\n' : '>';
- return result;
-};
-
-/**
- * Renderer.renderInline(tokens, options, env) -> String
- * - tokens (Array): list on block tokens to render
- * - options (Object): params of parser instance
- * - env (Object): additional data from parsed input (references, for example)
- *
- * The same as [[Renderer.render]], but for single token of `inline` type.
- **/
-Renderer.prototype.renderInline = function (tokens, options, env) {
- let result = '';
- const rules = this.rules;
- for (let i = 0, len = tokens.length; i < len; i++) {
- const type = tokens[i].type;
- if (typeof rules[type] !== 'undefined') {
- result += rules[type](tokens, i, options, env, this);
- } else {
- result += this.renderToken(tokens, i, options);
- }
- }
- return result;
-};
-
-/** internal
- * Renderer.renderInlineAsText(tokens, options, env) -> String
- * - tokens (Array): list on block tokens to render
- * - options (Object): params of parser instance
- * - env (Object): additional data from parsed input (references, for example)
- *
- * Special kludge for image `alt` attributes to conform CommonMark spec.
- * Don't try to use it! Spec requires to show `alt` content with stripped markup,
- * instead of simple escaping.
- **/
-Renderer.prototype.renderInlineAsText = function (tokens, options, env) {
- let result = '';
- for (let i = 0, len = tokens.length; i < len; i++) {
- switch (tokens[i].type) {
- case 'text':
- result += tokens[i].content;
- break;
- case 'image':
- result += this.renderInlineAsText(tokens[i].children, options, env);
- break;
- case 'html_inline':
- case 'html_block':
- result += tokens[i].content;
- break;
- case 'softbreak':
- case 'hardbreak':
- result += '\n';
- break;
- // all other tokens are skipped
- }
- }
- return result;
-};
-
-/**
- * Renderer.render(tokens, options, env) -> String
- * - tokens (Array): list on block tokens to render
- * - options (Object): params of parser instance
- * - env (Object): additional data from parsed input (references, for example)
- *
- * Takes token stream and generates HTML. Probably, you will never need to call
- * this method directly.
- **/
-Renderer.prototype.render = function (tokens, options, env) {
- let result = '';
- const rules = this.rules;
- for (let i = 0, len = tokens.length; i < len; i++) {
- const type = tokens[i].type;
- if (type === 'inline') {
- result += this.renderInline(tokens[i].children, options, env);
- } else if (typeof rules[type] !== 'undefined') {
- result += rules[type](tokens, i, options, env, this);
- } else {
- result += this.renderToken(tokens, i, options, env);
- }
- }
- return result;
-};
-
-/**
- * class Ruler
- *
- * Helper class, used by [[MarkdownIt#core]], [[MarkdownIt#block]] and
- * [[MarkdownIt#inline]] to manage sequences of functions (rules):
- *
- * - keep rules in defined order
- * - assign the name to each rule
- * - enable/disable rules
- * - add/replace rules
- * - allow assign rules to additional named chains (in the same)
- * - cacheing lists of active rules
- *
- * You will not need use this class directly until write plugins. For simple
- * rules control use [[MarkdownIt.disable]], [[MarkdownIt.enable]] and
- * [[MarkdownIt.use]].
- **/
-
-/**
- * new Ruler()
- **/
-function Ruler() {
- // List of added rules. Each element is:
- //
- // {
- // name: XXX,
- // enabled: Boolean,
- // fn: Function(),
- // alt: [ name2, name3 ]
- // }
- //
- this.__rules__ = [];
-
- // Cached rule chains.
- //
- // First level - chain name, '' for default.
- // Second level - diginal anchor for fast filtering by charcodes.
- //
- this.__cache__ = null;
-}
-
-// Helper methods, should not be used directly
-
-// Find rule index by name
-//
-Ruler.prototype.__find__ = function (name) {
- for (let i = 0; i < this.__rules__.length; i++) {
- if (this.__rules__[i].name === name) {
- return i;
- }
- }
- return -1;
-};
-
-// Build rules lookup cache
-//
-Ruler.prototype.__compile__ = function () {
- const self = this;
- const chains = [''];
-
- // collect unique names
- self.__rules__.forEach(function (rule) {
- if (!rule.enabled) {
- return;
- }
- rule.alt.forEach(function (altName) {
- if (chains.indexOf(altName) < 0) {
- chains.push(altName);
- }
- });
- });
- self.__cache__ = {};
- chains.forEach(function (chain) {
- self.__cache__[chain] = [];
- self.__rules__.forEach(function (rule) {
- if (!rule.enabled) {
- return;
- }
- if (chain && rule.alt.indexOf(chain) < 0) {
- return;
- }
- self.__cache__[chain].push(rule.fn);
- });
- });
-};
-
-/**
- * Ruler.at(name, fn [, options])
- * - name (String): rule name to replace.
- * - fn (Function): new rule function.
- * - options (Object): new rule options (not mandatory).
- *
- * Replace rule by name with new function & options. Throws error if name not
- * found.
- *
- * ##### Options:
- *
- * - __alt__ - array with names of "alternate" chains.
- *
- * ##### Example
- *
- * Replace existing typographer replacement rule with new one:
- *
- * ```javascript
- * var md = require('markdown-it')();
- *
- * md.core.ruler.at('replacements', function replace(state) {
- * //...
- * });
- * ```
- **/
-Ruler.prototype.at = function (name, fn, options) {
- const index = this.__find__(name);
- const opt = options || {};
- if (index === -1) {
- throw new Error('Parser rule not found: ' + name);
- }
- this.__rules__[index].fn = fn;
- this.__rules__[index].alt = opt.alt || [];
- this.__cache__ = null;
-};
-
-/**
- * Ruler.before(beforeName, ruleName, fn [, options])
- * - beforeName (String): new rule will be added before this one.
- * - ruleName (String): name of added rule.
- * - fn (Function): rule function.
- * - options (Object): rule options (not mandatory).
- *
- * Add new rule to chain before one with given name. See also
- * [[Ruler.after]], [[Ruler.push]].
- *
- * ##### Options:
- *
- * - __alt__ - array with names of "alternate" chains.
- *
- * ##### Example
- *
- * ```javascript
- * var md = require('markdown-it')();
- *
- * md.block.ruler.before('paragraph', 'my_rule', function replace(state) {
- * //...
- * });
- * ```
- **/
-Ruler.prototype.before = function (beforeName, ruleName, fn, options) {
- const index = this.__find__(beforeName);
- const opt = options || {};
- if (index === -1) {
- throw new Error('Parser rule not found: ' + beforeName);
- }
- this.__rules__.splice(index, 0, {
- name: ruleName,
- enabled: true,
- fn,
- alt: opt.alt || []
- });
- this.__cache__ = null;
-};
-
-/**
- * Ruler.after(afterName, ruleName, fn [, options])
- * - afterName (String): new rule will be added after this one.
- * - ruleName (String): name of added rule.
- * - fn (Function): rule function.
- * - options (Object): rule options (not mandatory).
- *
- * Add new rule to chain after one with given name. See also
- * [[Ruler.before]], [[Ruler.push]].
- *
- * ##### Options:
- *
- * - __alt__ - array with names of "alternate" chains.
- *
- * ##### Example
- *
- * ```javascript
- * var md = require('markdown-it')();
- *
- * md.inline.ruler.after('text', 'my_rule', function replace(state) {
- * //...
- * });
- * ```
- **/
-Ruler.prototype.after = function (afterName, ruleName, fn, options) {
- const index = this.__find__(afterName);
- const opt = options || {};
- if (index === -1) {
- throw new Error('Parser rule not found: ' + afterName);
- }
- this.__rules__.splice(index + 1, 0, {
- name: ruleName,
- enabled: true,
- fn,
- alt: opt.alt || []
- });
- this.__cache__ = null;
-};
-
-/**
- * Ruler.push(ruleName, fn [, options])
- * - ruleName (String): name of added rule.
- * - fn (Function): rule function.
- * - options (Object): rule options (not mandatory).
- *
- * Push new rule to the end of chain. See also
- * [[Ruler.before]], [[Ruler.after]].
- *
- * ##### Options:
- *
- * - __alt__ - array with names of "alternate" chains.
- *
- * ##### Example
- *
- * ```javascript
- * var md = require('markdown-it')();
- *
- * md.core.ruler.push('my_rule', function replace(state) {
- * //...
- * });
- * ```
- **/
-Ruler.prototype.push = function (ruleName, fn, options) {
- const opt = options || {};
- this.__rules__.push({
- name: ruleName,
- enabled: true,
- fn,
- alt: opt.alt || []
- });
- this.__cache__ = null;
-};
-
-/**
- * Ruler.enable(list [, ignoreInvalid]) -> Array
- * - list (String|Array): list of rule names to enable.
- * - ignoreInvalid (Boolean): set `true` to ignore errors when rule not found.
- *
- * Enable rules with given names. If any rule name not found - throw Error.
- * Errors can be disabled by second param.
- *
- * Returns list of found rule names (if no exception happened).
- *
- * See also [[Ruler.disable]], [[Ruler.enableOnly]].
- **/
-Ruler.prototype.enable = function (list, ignoreInvalid) {
- if (!Array.isArray(list)) {
- list = [list];
- }
- const result = [];
-
- // Search by name and enable
- list.forEach(function (name) {
- const idx = this.__find__(name);
- if (idx < 0) {
- if (ignoreInvalid) {
- return;
- }
- throw new Error('Rules manager: invalid rule name ' + name);
- }
- this.__rules__[idx].enabled = true;
- result.push(name);
- }, this);
- this.__cache__ = null;
- return result;
-};
-
-/**
- * Ruler.enableOnly(list [, ignoreInvalid])
- * - list (String|Array): list of rule names to enable (whitelist).
- * - ignoreInvalid (Boolean): set `true` to ignore errors when rule not found.
- *
- * Enable rules with given names, and disable everything else. If any rule name
- * not found - throw Error. Errors can be disabled by second param.
- *
- * See also [[Ruler.disable]], [[Ruler.enable]].
- **/
-Ruler.prototype.enableOnly = function (list, ignoreInvalid) {
- if (!Array.isArray(list)) {
- list = [list];
- }
- this.__rules__.forEach(function (rule) {
- rule.enabled = false;
- });
- this.enable(list, ignoreInvalid);
-};
-
-/**
- * Ruler.disable(list [, ignoreInvalid]) -> Array
- * - list (String|Array): list of rule names to disable.
- * - ignoreInvalid (Boolean): set `true` to ignore errors when rule not found.
- *
- * Disable rules with given names. If any rule name not found - throw Error.
- * Errors can be disabled by second param.
- *
- * Returns list of found rule names (if no exception happened).
- *
- * See also [[Ruler.enable]], [[Ruler.enableOnly]].
- **/
-Ruler.prototype.disable = function (list, ignoreInvalid) {
- if (!Array.isArray(list)) {
- list = [list];
- }
- const result = [];
-
- // Search by name and disable
- list.forEach(function (name) {
- const idx = this.__find__(name);
- if (idx < 0) {
- if (ignoreInvalid) {
- return;
- }
- throw new Error('Rules manager: invalid rule name ' + name);
- }
- this.__rules__[idx].enabled = false;
- result.push(name);
- }, this);
- this.__cache__ = null;
- return result;
-};
-
-/**
- * Ruler.getRules(chainName) -> Array
- *
- * Return array of active functions (rules) for given chain name. It analyzes
- * rules configuration, compiles caches if not exists and returns result.
- *
- * Default chain name is `''` (empty string). It can't be skipped. That's
- * done intentionally, to keep signature monomorphic for high speed.
- **/
-Ruler.prototype.getRules = function (chainName) {
- if (this.__cache__ === null) {
- this.__compile__();
- }
-
- // Chain can be empty, if rules disabled. But we still have to return Array.
- return this.__cache__[chainName] || [];
-};
-
-// Token class
-
-/**
- * class Token
- **/
-
-/**
- * new Token(type, tag, nesting)
- *
- * Create new token and fill passed properties.
- **/
-function Token(type, tag, nesting) {
- /**
- * Token#type -> String
- *
- * Type of the token (string, e.g. "paragraph_open")
- **/
- this.type = type;
-
- /**
- * Token#tag -> String
- *
- * html tag name, e.g. "p"
- **/
- this.tag = tag;
-
- /**
- * Token#attrs -> Array
- *
- * Html attributes. Format: `[ [ name1, value1 ], [ name2, value2 ] ]`
- **/
- this.attrs = null;
-
- /**
- * Token#map -> Array
- *
- * Source map info. Format: `[ line_begin, line_end ]`
- **/
- this.map = null;
-
- /**
- * Token#nesting -> Number
- *
- * Level change (number in {-1, 0, 1} set), where:
- *
- * - `1` means the tag is opening
- * - `0` means the tag is self-closing
- * - `-1` means the tag is closing
- **/
- this.nesting = nesting;
-
- /**
- * Token#level -> Number
- *
- * nesting level, the same as `state.level`
- **/
- this.level = 0;
-
- /**
- * Token#children -> Array
- *
- * An array of child nodes (inline and img tokens)
- **/
- this.children = null;
-
- /**
- * Token#content -> String
- *
- * In a case of self-closing tag (code, html, fence, etc.),
- * it has contents of this tag.
- **/
- this.content = '';
-
- /**
- * Token#markup -> String
- *
- * '*' or '_' for emphasis, fence string for fence, etc.
- **/
- this.markup = '';
-
- /**
- * Token#info -> String
- *
- * Additional information:
- *
- * - Info string for "fence" tokens
- * - The value "auto" for autolink "link_open" and "link_close" tokens
- * - The string value of the item marker for ordered-list "list_item_open" tokens
- **/
- this.info = '';
-
- /**
- * Token#meta -> Object
- *
- * A place for plugins to store an arbitrary data
- **/
- this.meta = null;
-
- /**
- * Token#block -> Boolean
- *
- * True for block-level tokens, false for inline tokens.
- * Used in renderer to calculate line breaks
- **/
- this.block = false;
-
- /**
- * Token#hidden -> Boolean
- *
- * If it's true, ignore this element when rendering. Used for tight lists
- * to hide paragraphs.
- **/
- this.hidden = false;
-}
-
-/**
- * Token.attrIndex(name) -> Number
- *
- * Search attribute index by name.
- **/
-Token.prototype.attrIndex = function attrIndex(name) {
- if (!this.attrs) {
- return -1;
- }
- const attrs = this.attrs;
- for (let i = 0, len = attrs.length; i < len; i++) {
- if (attrs[i][0] === name) {
- return i;
- }
- }
- return -1;
-};
-
-/**
- * Token.attrPush(attrData)
- *
- * Add `[ name, value ]` attribute to list. Init attrs if necessary
- **/
-Token.prototype.attrPush = function attrPush(attrData) {
- if (this.attrs) {
- this.attrs.push(attrData);
- } else {
- this.attrs = [attrData];
- }
-};
-
-/**
- * Token.attrSet(name, value)
- *
- * Set `name` attribute to `value`. Override old value if exists.
- **/
-Token.prototype.attrSet = function attrSet(name, value) {
- const idx = this.attrIndex(name);
- const attrData = [name, value];
- if (idx < 0) {
- this.attrPush(attrData);
- } else {
- this.attrs[idx] = attrData;
- }
-};
-
-/**
- * Token.attrGet(name)
- *
- * Get the value of attribute `name`, or null if it does not exist.
- **/
-Token.prototype.attrGet = function attrGet(name) {
- const idx = this.attrIndex(name);
- let value = null;
- if (idx >= 0) {
- value = this.attrs[idx][1];
- }
- return value;
-};
-
-/**
- * Token.attrJoin(name, value)
- *
- * Join value to existing attribute via space. Or create new attribute if not
- * exists. Useful to operate with token classes.
- **/
-Token.prototype.attrJoin = function attrJoin(name, value) {
- const idx = this.attrIndex(name);
- if (idx < 0) {
- this.attrPush([name, value]);
- } else {
- this.attrs[idx][1] = this.attrs[idx][1] + ' ' + value;
- }
-};
-
-// Core state object
-//
-
-function StateCore(src, md, env) {
- this.src = src;
- this.env = env;
- this.tokens = [];
- this.inlineMode = false;
- this.md = md; // link to parser instance
-}
-
-// re-export Token class to use in core rules
-StateCore.prototype.Token = Token;
-
-// Normalize input string
-
-// https://spec.commonmark.org/0.29/#line-ending
-const NEWLINES_RE = /\r\n?|\n/g;
-const NULL_RE = /\0/g;
-function normalize(state) {
- let str;
-
- // Normalize newlines
- str = state.src.replace(NEWLINES_RE, '\n');
-
- // Replace NULL characters
- str = str.replace(NULL_RE, '\uFFFD');
- state.src = str;
-}
-
-function block(state) {
- let token;
- if (state.inlineMode) {
- token = new state.Token('inline', '', 0);
- token.content = state.src;
- token.map = [0, 1];
- token.children = [];
- state.tokens.push(token);
- } else {
- state.md.block.parse(state.src, state.md, state.env, state.tokens);
- }
-}
-
-function inline(state) {
- const tokens = state.tokens;
-
- // Parse inlines
- for (let i = 0, l = tokens.length; i < l; i++) {
- const tok = tokens[i];
- if (tok.type === 'inline') {
- state.md.inline.parse(tok.content, state.md, state.env, tok.children);
- }
- }
-}
-
-// Replace link-like texts with link nodes.
-//
-// Currently restricted by `md.validateLink()` to http/https/ftp
-//
-
-function isLinkOpen$1(str) {
- return /^<a[>\s]/i.test(str);
-}
-function isLinkClose$1(str) {
- return /^<\/a\s*>/i.test(str);
-}
-function linkify$1(state) {
- const blockTokens = state.tokens;
- if (!state.md.options.linkify) {
- return;
- }
- for (let j = 0, l = blockTokens.length; j < l; j++) {
- if (blockTokens[j].type !== 'inline' || !state.md.linkify.pretest(blockTokens[j].content)) {
- continue;
- }
- let tokens = blockTokens[j].children;
- let htmlLinkLevel = 0;
-
- // We scan from the end, to keep position when new tags added.
- // Use reversed logic in links start/end match
- for (let i = tokens.length - 1; i >= 0; i--) {
- const currentToken = tokens[i];
-
- // Skip content of markdown links
- if (currentToken.type === 'link_close') {
- i--;
- while (tokens[i].level !== currentToken.level && tokens[i].type !== 'link_open') {
- i--;
- }
- continue;
- }
-
- // Skip content of html tag links
- if (currentToken.type === 'html_inline') {
- if (isLinkOpen$1(currentToken.content) && htmlLinkLevel > 0) {
- htmlLinkLevel--;
- }
- if (isLinkClose$1(currentToken.content)) {
- htmlLinkLevel++;
- }
- }
- if (htmlLinkLevel > 0) {
- continue;
- }
- if (currentToken.type === 'text' && state.md.linkify.test(currentToken.content)) {
- const text = currentToken.content;
- let links = state.md.linkify.match(text);
-
- // Now split string to nodes
- const nodes = [];
- let level = currentToken.level;
- let lastPos = 0;
-
- // forbid escape sequence at the start of the string,
- // this avoids http\://example.com/ from being linkified as
- // http:<a href="//example.com/">//example.com/</a>
- if (links.length > 0 && links[0].index === 0 && i > 0 && tokens[i - 1].type === 'text_special') {
- links = links.slice(1);
- }
- for (let ln = 0; ln < links.length; ln++) {
- const url = links[ln].url;
- const fullUrl = state.md.normalizeLink(url);
- if (!state.md.validateLink(fullUrl)) {
- continue;
- }
- let urlText = links[ln].text;
-
- // Linkifier might send raw hostnames like "example.com", where url
- // starts with domain name. So we prepend http:// in those cases,
- // and remove it afterwards.
- //
- if (!links[ln].schema) {
- urlText = state.md.normalizeLinkText('http://' + urlText).replace(/^http:\/\//, '');
- } else if (links[ln].schema === 'mailto:' && !/^mailto:/i.test(urlText)) {
- urlText = state.md.normalizeLinkText('mailto:' + urlText).replace(/^mailto:/, '');
- } else {
- urlText = state.md.normalizeLinkText(urlText);
- }
- const pos = links[ln].index;
- if (pos > lastPos) {
- const token = new state.Token('text', '', 0);
- token.content = text.slice(lastPos, pos);
- token.level = level;
- nodes.push(token);
- }
- const token_o = new state.Token('link_open', 'a', 1);
- token_o.attrs = [['href', fullUrl]];
- token_o.level = level++;
- token_o.markup = 'linkify';
- token_o.info = 'auto';
- nodes.push(token_o);
- const token_t = new state.Token('text', '', 0);
- token_t.content = urlText;
- token_t.level = level;
- nodes.push(token_t);
- const token_c = new state.Token('link_close', 'a', -1);
- token_c.level = --level;
- token_c.markup = 'linkify';
- token_c.info = 'auto';
- nodes.push(token_c);
- lastPos = links[ln].lastIndex;
- }
- if (lastPos < text.length) {
- const token = new state.Token('text', '', 0);
- token.content = text.slice(lastPos);
- token.level = level;
- nodes.push(token);
- }
-
- // replace current node
- blockTokens[j].children = tokens = arrayReplaceAt(tokens, i, nodes);
- }
- }
- }
-}
-
-// Simple typographic replacements
-//
-// (c) (C) → ©
-// (tm) (TM) → ™
-// (r) (R) → ®
-// +- → ±
-// ... → … (also ?.... → ?.., !.... → !..)
-// ???????? → ???, !!!!! → !!!, `,,` → `,`
-// -- → &ndash;, --- → &mdash;
-//
-
-// TODO:
-// - fractionals 1/2, 1/4, 3/4 -> ½, ¼, ¾
-// - multiplications 2 x 4 -> 2 × 4
-
-const RARE_RE = /\+-|\.\.|\?\?\?\?|!!!!|,,|--/;
-
-// Workaround for phantomjs - need regex without /g flag,
-// or root check will fail every second time
-const SCOPED_ABBR_TEST_RE = /\((c|tm|r)\)/i;
-const SCOPED_ABBR_RE = /\((c|tm|r)\)/ig;
-const SCOPED_ABBR = {
- c: '©',
- r: '®',
- tm: '™'
-};
-function replaceFn(match, name) {
- return SCOPED_ABBR[name.toLowerCase()];
-}
-function replace_scoped(inlineTokens) {
- let inside_autolink = 0;
- for (let i = inlineTokens.length - 1; i >= 0; i--) {
- const token = inlineTokens[i];
- if (token.type === 'text' && !inside_autolink) {
- token.content = token.content.replace(SCOPED_ABBR_RE, replaceFn);
- }
- if (token.type === 'link_open' && token.info === 'auto') {
- inside_autolink--;
- }
- if (token.type === 'link_close' && token.info === 'auto') {
- inside_autolink++;
- }
- }
-}
-function replace_rare(inlineTokens) {
- let inside_autolink = 0;
- for (let i = inlineTokens.length - 1; i >= 0; i--) {
- const token = inlineTokens[i];
- if (token.type === 'text' && !inside_autolink) {
- if (RARE_RE.test(token.content)) {
- token.content = token.content.replace(/\+-/g, '±')
- // .., ..., ....... -> …
- // but ?..... & !..... -> ?.. & !..
- .replace(/\.{2,}/g, '…').replace(/([?!])…/g, '$1..').replace(/([?!]){4,}/g, '$1$1$1').replace(/,{2,}/g, ',')
- // em-dash
- .replace(/(^|[^-])---(?=[^-]|$)/mg, '$1\u2014')
- // en-dash
- .replace(/(^|\s)--(?=\s|$)/mg, '$1\u2013').replace(/(^|[^-\s])--(?=[^-\s]|$)/mg, '$1\u2013');
- }
- }
- if (token.type === 'link_open' && token.info === 'auto') {
- inside_autolink--;
- }
- if (token.type === 'link_close' && token.info === 'auto') {
- inside_autolink++;
- }
- }
-}
-function replace(state) {
- let blkIdx;
- if (!state.md.options.typographer) {
- return;
- }
- for (blkIdx = state.tokens.length - 1; blkIdx >= 0; blkIdx--) {
- if (state.tokens[blkIdx].type !== 'inline') {
- continue;
- }
- if (SCOPED_ABBR_TEST_RE.test(state.tokens[blkIdx].content)) {
- replace_scoped(state.tokens[blkIdx].children);
- }
- if (RARE_RE.test(state.tokens[blkIdx].content)) {
- replace_rare(state.tokens[blkIdx].children);
- }
- }
-}
-
-// Convert straight quotation marks to typographic ones
-//
-
-const QUOTE_TEST_RE = /['"]/;
-const QUOTE_RE = /['"]/g;
-const APOSTROPHE = '\u2019'; /* ’ */
-
-function replaceAt(str, index, ch) {
- return str.slice(0, index) + ch + str.slice(index + 1);
-}
-function process_inlines(tokens, state) {
- let j;
- const stack = [];
- for (let i = 0; i < tokens.length; i++) {
- const token = tokens[i];
- const thisLevel = tokens[i].level;
- for (j = stack.length - 1; j >= 0; j--) {
- if (stack[j].level <= thisLevel) {
- break;
- }
- }
- stack.length = j + 1;
- if (token.type !== 'text') {
- continue;
- }
- let text = token.content;
- let pos = 0;
- let max = text.length;
-
- /* eslint no-labels:0,block-scoped-var:0 */
- OUTER: while (pos < max) {
- QUOTE_RE.lastIndex = pos;
- const t = QUOTE_RE.exec(text);
- if (!t) {
- break;
- }
- let canOpen = true;
- let canClose = true;
- pos = t.index + 1;
- const isSingle = t[0] === "'";
-
- // Find previous character,
- // default to space if it's the beginning of the line
- //
- let lastChar = 0x20;
- if (t.index - 1 >= 0) {
- lastChar = text.charCodeAt(t.index - 1);
- } else {
- for (j = i - 1; j >= 0; j--) {
- if (tokens[j].type === 'softbreak' || tokens[j].type === 'hardbreak') break; // lastChar defaults to 0x20
- if (!tokens[j].content) continue; // should skip all tokens except 'text', 'html_inline' or 'code_inline'
-
- lastChar = tokens[j].content.charCodeAt(tokens[j].content.length - 1);
- break;
- }
- }
-
- // Find next character,
- // default to space if it's the end of the line
- //
- let nextChar = 0x20;
- if (pos < max) {
- nextChar = text.charCodeAt(pos);
- } else {
- for (j = i + 1; j < tokens.length; j++) {
- if (tokens[j].type === 'softbreak' || tokens[j].type === 'hardbreak') break; // nextChar defaults to 0x20
- if (!tokens[j].content) continue; // should skip all tokens except 'text', 'html_inline' or 'code_inline'
-
- nextChar = tokens[j].content.charCodeAt(0);
- break;
- }
- }
- const isLastPunctChar = isMdAsciiPunct(lastChar) || isPunctChar(String.fromCharCode(lastChar));
- const isNextPunctChar = isMdAsciiPunct(nextChar) || isPunctChar(String.fromCharCode(nextChar));
- const isLastWhiteSpace = isWhiteSpace(lastChar);
- const isNextWhiteSpace = isWhiteSpace(nextChar);
- if (isNextWhiteSpace) {
- canOpen = false;
- } else if (isNextPunctChar) {
- if (!(isLastWhiteSpace || isLastPunctChar)) {
- canOpen = false;
- }
- }
- if (isLastWhiteSpace) {
- canClose = false;
- } else if (isLastPunctChar) {
- if (!(isNextWhiteSpace || isNextPunctChar)) {
- canClose = false;
- }
- }
- if (nextChar === 0x22 /* " */ && t[0] === '"') {
- if (lastChar >= 0x30 /* 0 */ && lastChar <= 0x39 /* 9 */) {
- // special case: 1"" - count first quote as an inch
- canClose = canOpen = false;
- }
- }
- if (canOpen && canClose) {
- // Replace quotes in the middle of punctuation sequence, but not
- // in the middle of the words, i.e.:
- //
- // 1. foo " bar " baz - not replaced
- // 2. foo-"-bar-"-baz - replaced
- // 3. foo"bar"baz - not replaced
- //
- canOpen = isLastPunctChar;
- canClose = isNextPunctChar;
- }
- if (!canOpen && !canClose) {
- // middle of word
- if (isSingle) {
- token.content = replaceAt(token.content, t.index, APOSTROPHE);
- }
- continue;
- }
- if (canClose) {
- // this could be a closing quote, rewind the stack to get a match
- for (j = stack.length - 1; j >= 0; j--) {
- let item = stack[j];
- if (stack[j].level < thisLevel) {
- break;
- }
- if (item.single === isSingle && stack[j].level === thisLevel) {
- item = stack[j];
- let openQuote;
- let closeQuote;
- if (isSingle) {
- openQuote = state.md.options.quotes[2];
- closeQuote = state.md.options.quotes[3];
- } else {
- openQuote = state.md.options.quotes[0];
- closeQuote = state.md.options.quotes[1];
- }
-
- // replace token.content *before* tokens[item.token].content,
- // because, if they are pointing at the same token, replaceAt
- // could mess up indices when quote length != 1
- token.content = replaceAt(token.content, t.index, closeQuote);
- tokens[item.token].content = replaceAt(tokens[item.token].content, item.pos, openQuote);
- pos += closeQuote.length - 1;
- if (item.token === i) {
- pos += openQuote.length - 1;
- }
- text = token.content;
- max = text.length;
- stack.length = j;
- continue OUTER;
- }
- }
- }
- if (canOpen) {
- stack.push({
- token: i,
- pos: t.index,
- single: isSingle,
- level: thisLevel
- });
- } else if (canClose && isSingle) {
- token.content = replaceAt(token.content, t.index, APOSTROPHE);
- }
- }
- }
-}
-function smartquotes(state) {
- /* eslint max-depth:0 */
- if (!state.md.options.typographer) {
- return;
- }
- for (let blkIdx = state.tokens.length - 1; blkIdx >= 0; blkIdx--) {
- if (state.tokens[blkIdx].type !== 'inline' || !QUOTE_TEST_RE.test(state.tokens[blkIdx].content)) {
- continue;
- }
- process_inlines(state.tokens[blkIdx].children, state);
- }
-}
-
-// Join raw text tokens with the rest of the text
-//
-// This is set as a separate rule to provide an opportunity for plugins
-// to run text replacements after text join, but before escape join.
-//
-// For example, `\:)` shouldn't be replaced with an emoji.
-//
-
-function text_join(state) {
- let curr, last;
- const blockTokens = state.tokens;
- const l = blockTokens.length;
- for (let j = 0; j < l; j++) {
- if (blockTokens[j].type !== 'inline') continue;
- const tokens = blockTokens[j].children;
- const max = tokens.length;
- for (curr = 0; curr < max; curr++) {
- if (tokens[curr].type === 'text_special') {
- tokens[curr].type = 'text';
- }
- }
- for (curr = last = 0; curr < max; curr++) {
- if (tokens[curr].type === 'text' && curr + 1 < max && tokens[curr + 1].type === 'text') {
- // collapse two adjacent text nodes
- tokens[curr + 1].content = tokens[curr].content + tokens[curr + 1].content;
- } else {
- if (curr !== last) {
- tokens[last] = tokens[curr];
- }
- last++;
- }
- }
- if (curr !== last) {
- tokens.length = last;
- }
- }
-}
-
-/** internal
- * class Core
- *
- * Top-level rules executor. Glues block/inline parsers and does intermediate
- * transformations.
- **/
-
-const _rules$2 = [['normalize', normalize], ['block', block], ['inline', inline], ['linkify', linkify$1], ['replacements', replace], ['smartquotes', smartquotes],
-// `text_join` finds `text_special` tokens (for escape sequences)
-// and joins them with the rest of the text
-['text_join', text_join]];
-
-/**
- * new Core()
- **/
-function Core() {
- /**
- * Core#ruler -> Ruler
- *
- * [[Ruler]] instance. Keep configuration of core rules.
- **/
- this.ruler = new Ruler();
- for (let i = 0; i < _rules$2.length; i++) {
- this.ruler.push(_rules$2[i][0], _rules$2[i][1]);
- }
-}
-
-/**
- * Core.process(state)
- *
- * Executes core chain rules.
- **/
-Core.prototype.process = function (state) {
- const rules = this.ruler.getRules('');
- for (let i = 0, l = rules.length; i < l; i++) {
- rules[i](state);
- }
-};
-Core.prototype.State = StateCore;
-
-// Parser state class
-
-function StateBlock(src, md, env, tokens) {
- this.src = src;
-
- // link to parser instance
- this.md = md;
- this.env = env;
-
- //
- // Internal state vartiables
- //
-
- this.tokens = tokens;
- this.bMarks = []; // line begin offsets for fast jumps
- this.eMarks = []; // line end offsets for fast jumps
- this.tShift = []; // offsets of the first non-space characters (tabs not expanded)
- this.sCount = []; // indents for each line (tabs expanded)
-
- // An amount of virtual spaces (tabs expanded) between beginning
- // of each line (bMarks) and real beginning of that line.
- //
- // It exists only as a hack because blockquotes override bMarks
- // losing information in the process.
- //
- // It's used only when expanding tabs, you can think about it as
- // an initial tab length, e.g. bsCount=21 applied to string `\t123`
- // means first tab should be expanded to 4-21%4 === 3 spaces.
- //
- this.bsCount = [];
-
- // block parser variables
-
- // required block content indent (for example, if we are
- // inside a list, it would be positioned after list marker)
- this.blkIndent = 0;
- this.line = 0; // line index in src
- this.lineMax = 0; // lines count
- this.tight = false; // loose/tight mode for lists
- this.ddIndent = -1; // indent of the current dd block (-1 if there isn't any)
- this.listIndent = -1; // indent of the current list block (-1 if there isn't any)
-
- // can be 'blockquote', 'list', 'root', 'paragraph' or 'reference'
- // used in lists to determine if they interrupt a paragraph
- this.parentType = 'root';
- this.level = 0;
-
- // Create caches
- // Generate markers.
- const s = this.src;
- for (let start = 0, pos = 0, indent = 0, offset = 0, len = s.length, indent_found = false; pos < len; pos++) {
- const ch = s.charCodeAt(pos);
- if (!indent_found) {
- if (isSpace(ch)) {
- indent++;
- if (ch === 0x09) {
- offset += 4 - offset % 4;
- } else {
- offset++;
- }
- continue;
- } else {
- indent_found = true;
- }
- }
- if (ch === 0x0A || pos === len - 1) {
- if (ch !== 0x0A) {
- pos++;
- }
- this.bMarks.push(start);
- this.eMarks.push(pos);
- this.tShift.push(indent);
- this.sCount.push(offset);
- this.bsCount.push(0);
- indent_found = false;
- indent = 0;
- offset = 0;
- start = pos + 1;
- }
- }
-
- // Push fake entry to simplify cache bounds checks
- this.bMarks.push(s.length);
- this.eMarks.push(s.length);
- this.tShift.push(0);
- this.sCount.push(0);
- this.bsCount.push(0);
- this.lineMax = this.bMarks.length - 1; // don't count last fake line
-}
-
-// Push new token to "stream".
-//
-StateBlock.prototype.push = function (type, tag, nesting) {
- const token = new Token(type, tag, nesting);
- token.block = true;
- if (nesting < 0) this.level--; // closing tag
- token.level = this.level;
- if (nesting > 0) this.level++; // opening tag
-
- this.tokens.push(token);
- return token;
-};
-StateBlock.prototype.isEmpty = function isEmpty(line) {
- return this.bMarks[line] + this.tShift[line] >= this.eMarks[line];
-};
-StateBlock.prototype.skipEmptyLines = function skipEmptyLines(from) {
- for (let max = this.lineMax; from < max; from++) {
- if (this.bMarks[from] + this.tShift[from] < this.eMarks[from]) {
- break;
- }
- }
- return from;
-};
-
-// Skip spaces from given position.
-StateBlock.prototype.skipSpaces = function skipSpaces(pos) {
- for (let max = this.src.length; pos < max; pos++) {
- const ch = this.src.charCodeAt(pos);
- if (!isSpace(ch)) {
- break;
- }
- }
- return pos;
-};
-
-// Skip spaces from given position in reverse.
-StateBlock.prototype.skipSpacesBack = function skipSpacesBack(pos, min) {
- if (pos <= min) {
- return pos;
- }
- while (pos > min) {
- if (!isSpace(this.src.charCodeAt(--pos))) {
- return pos + 1;
- }
- }
- return pos;
-};
-
-// Skip char codes from given position
-StateBlock.prototype.skipChars = function skipChars(pos, code) {
- for (let max = this.src.length; pos < max; pos++) {
- if (this.src.charCodeAt(pos) !== code) {
- break;
- }
- }
- return pos;
-};
-
-// Skip char codes reverse from given position - 1
-StateBlock.prototype.skipCharsBack = function skipCharsBack(pos, code, min) {
- if (pos <= min) {
- return pos;
- }
- while (pos > min) {
- if (code !== this.src.charCodeAt(--pos)) {
- return pos + 1;
- }
- }
- return pos;
-};
-
-// cut lines range from source.
-StateBlock.prototype.getLines = function getLines(begin, end, indent, keepLastLF) {
- if (begin >= end) {
- return '';
- }
- const queue = new Array(end - begin);
- for (let i = 0, line = begin; line < end; line++, i++) {
- let lineIndent = 0;
- const lineStart = this.bMarks[line];
- let first = lineStart;
- let last;
- if (line + 1 < end || keepLastLF) {
- // No need for bounds check because we have fake entry on tail.
- last = this.eMarks[line] + 1;
- } else {
- last = this.eMarks[line];
- }
- while (first < last && lineIndent < indent) {
- const ch = this.src.charCodeAt(first);
- if (isSpace(ch)) {
- if (ch === 0x09) {
- lineIndent += 4 - (lineIndent + this.bsCount[line]) % 4;
- } else {
- lineIndent++;
- }
- } else if (first - lineStart < this.tShift[line]) {
- // patched tShift masked characters to look like spaces (blockquotes, list markers)
- lineIndent++;
- } else {
- break;
- }
- first++;
- }
- if (lineIndent > indent) {
- // partially expanding tabs in code blocks, e.g '\t\tfoobar'
- // with indent=2 becomes ' \tfoobar'
- queue[i] = new Array(lineIndent - indent + 1).join(' ') + this.src.slice(first, last);
- } else {
- queue[i] = this.src.slice(first, last);
- }
- }
- return queue.join('');
-};
-
-// re-export Token class to use in block rules
-StateBlock.prototype.Token = Token;
-
-// GFM table, https://github.github.com/gfm/#tables-extension-
-
-
-// Limit the amount of empty autocompleted cells in a table,
-// see https://github.com/markdown-it/markdown-it/issues/1000,
-//
-// Both pulldown-cmark and commonmark-hs limit the number of cells this way to ~200k.
-// We set it to 65k, which can expand user input by a factor of x370
-// (256x256 square is 1.8kB expanded into 650kB).
-const MAX_AUTOCOMPLETED_CELLS = 0x10000;
-function getLine(state, line) {
- const pos = state.bMarks[line] + state.tShift[line];
- const max = state.eMarks[line];
- return state.src.slice(pos, max);
-}
-function escapedSplit(str) {
- const result = [];
- const max = str.length;
- let pos = 0;
- let ch = str.charCodeAt(pos);
- let isEscaped = false;
- let lastPos = 0;
- let current = '';
- while (pos < max) {
- if (ch === 0x7c /* | */) {
- if (!isEscaped) {
- // pipe separating cells, '|'
- result.push(current + str.substring(lastPos, pos));
- current = '';
- lastPos = pos + 1;
- } else {
- // escaped pipe, '\|'
- current += str.substring(lastPos, pos - 1);
- lastPos = pos;
- }
- }
- isEscaped = ch === 0x5c /* \ */;
- pos++;
- ch = str.charCodeAt(pos);
- }
- result.push(current + str.substring(lastPos));
- return result;
-}
-function table(state, startLine, endLine, silent) {
- // should have at least two lines
- if (startLine + 2 > endLine) {
- return false;
- }
- let nextLine = startLine + 1;
- if (state.sCount[nextLine] < state.blkIndent) {
- return false;
- }
-
- // if it's indented more than 3 spaces, it should be a code block
- if (state.sCount[nextLine] - state.blkIndent >= 4) {
- return false;
- }
-
- // first character of the second line should be '|', '-', ':',
- // and no other characters are allowed but spaces;
- // basically, this is the equivalent of /^[-:|][-:|\s]*$/ regexp
-
- let pos = state.bMarks[nextLine] + state.tShift[nextLine];
- if (pos >= state.eMarks[nextLine]) {
- return false;
- }
- const firstCh = state.src.charCodeAt(pos++);
- if (firstCh !== 0x7C /* | */ && firstCh !== 0x2D /* - */ && firstCh !== 0x3A /* : */) {
- return false;
- }
- if (pos >= state.eMarks[nextLine]) {
- return false;
- }
- const secondCh = state.src.charCodeAt(pos++);
- if (secondCh !== 0x7C /* | */ && secondCh !== 0x2D /* - */ && secondCh !== 0x3A /* : */ && !isSpace(secondCh)) {
- return false;
- }
-
- // if first character is '-', then second character must not be a space
- // (due to parsing ambiguity with list)
- if (firstCh === 0x2D /* - */ && isSpace(secondCh)) {
- return false;
- }
- while (pos < state.eMarks[nextLine]) {
- const ch = state.src.charCodeAt(pos);
- if (ch !== 0x7C /* | */ && ch !== 0x2D /* - */ && ch !== 0x3A /* : */ && !isSpace(ch)) {
- return false;
- }
- pos++;
- }
- let lineText = getLine(state, startLine + 1);
- let columns = lineText.split('|');
- const aligns = [];
- for (let i = 0; i < columns.length; i++) {
- const t = columns[i].trim();
- if (!t) {
- // allow empty columns before and after table, but not in between columns;
- // e.g. allow ` |---| `, disallow ` ---||--- `
- if (i === 0 || i === columns.length - 1) {
- continue;
- } else {
- return false;
- }
- }
- if (!/^:?-+:?$/.test(t)) {
- return false;
- }
- if (t.charCodeAt(t.length - 1) === 0x3A /* : */) {
- aligns.push(t.charCodeAt(0) === 0x3A /* : */ ? 'center' : 'right');
- } else if (t.charCodeAt(0) === 0x3A /* : */) {
- aligns.push('left');
- } else {
- aligns.push('');
- }
- }
- lineText = getLine(state, startLine).trim();
- if (lineText.indexOf('|') === -1) {
- return false;
- }
- if (state.sCount[startLine] - state.blkIndent >= 4) {
- return false;
- }
- columns = escapedSplit(lineText);
- if (columns.length && columns[0] === '') columns.shift();
- if (columns.length && columns[columns.length - 1] === '') columns.pop();
-
- // header row will define an amount of columns in the entire table,
- // and align row should be exactly the same (the rest of the rows can differ)
- const columnCount = columns.length;
- if (columnCount === 0 || columnCount !== aligns.length) {
- return false;
- }
- if (silent) {
- return true;
- }
- const oldParentType = state.parentType;
- state.parentType = 'table';
-
- // use 'blockquote' lists for termination because it's
- // the most similar to tables
- const terminatorRules = state.md.block.ruler.getRules('blockquote');
- const token_to = state.push('table_open', 'table', 1);
- const tableLines = [startLine, 0];
- token_to.map = tableLines;
- const token_tho = state.push('thead_open', 'thead', 1);
- token_tho.map = [startLine, startLine + 1];
- const token_htro = state.push('tr_open', 'tr', 1);
- token_htro.map = [startLine, startLine + 1];
- for (let i = 0; i < columns.length; i++) {
- const token_ho = state.push('th_open', 'th', 1);
- if (aligns[i]) {
- token_ho.attrs = [['style', 'text-align:' + aligns[i]]];
- }
- const token_il = state.push('inline', '', 0);
- token_il.content = columns[i].trim();
- token_il.children = [];
- state.push('th_close', 'th', -1);
- }
- state.push('tr_close', 'tr', -1);
- state.push('thead_close', 'thead', -1);
- let tbodyLines;
- let autocompletedCells = 0;
- for (nextLine = startLine + 2; nextLine < endLine; nextLine++) {
- if (state.sCount[nextLine] < state.blkIndent) {
- break;
- }
- let terminate = false;
- for (let i = 0, l = terminatorRules.length; i < l; i++) {
- if (terminatorRules[i](state, nextLine, endLine, true)) {
- terminate = true;
- break;
- }
- }
- if (terminate) {
- break;
- }
- lineText = getLine(state, nextLine).trim();
- if (!lineText) {
- break;
- }
- if (state.sCount[nextLine] - state.blkIndent >= 4) {
- break;
- }
- columns = escapedSplit(lineText);
- if (columns.length && columns[0] === '') columns.shift();
- if (columns.length && columns[columns.length - 1] === '') columns.pop();
-
- // note: autocomplete count can be negative if user specifies more columns than header,
- // but that does not affect intended use (which is limiting expansion)
- autocompletedCells += columnCount - columns.length;
- if (autocompletedCells > MAX_AUTOCOMPLETED_CELLS) {
- break;
- }
- if (nextLine === startLine + 2) {
- const token_tbo = state.push('tbody_open', 'tbody', 1);
- token_tbo.map = tbodyLines = [startLine + 2, 0];
- }
- const token_tro = state.push('tr_open', 'tr', 1);
- token_tro.map = [nextLine, nextLine + 1];
- for (let i = 0; i < columnCount; i++) {
- const token_tdo = state.push('td_open', 'td', 1);
- if (aligns[i]) {
- token_tdo.attrs = [['style', 'text-align:' + aligns[i]]];
- }
- const token_il = state.push('inline', '', 0);
- token_il.content = columns[i] ? columns[i].trim() : '';
- token_il.children = [];
- state.push('td_close', 'td', -1);
- }
- state.push('tr_close', 'tr', -1);
- }
- if (tbodyLines) {
- state.push('tbody_close', 'tbody', -1);
- tbodyLines[1] = nextLine;
- }
- state.push('table_close', 'table', -1);
- tableLines[1] = nextLine;
- state.parentType = oldParentType;
- state.line = nextLine;
- return true;
-}
-
-// Code block (4 spaces padded)
-
-function code(state, startLine, endLine /*, silent */) {
- if (state.sCount[startLine] - state.blkIndent < 4) {
- return false;
- }
- let nextLine = startLine + 1;
- let last = nextLine;
- while (nextLine < endLine) {
- if (state.isEmpty(nextLine)) {
- nextLine++;
- continue;
- }
- if (state.sCount[nextLine] - state.blkIndent >= 4) {
- nextLine++;
- last = nextLine;
- continue;
- }
- break;
- }
- state.line = last;
- const token = state.push('code_block', 'code', 0);
- token.content = state.getLines(startLine, last, 4 + state.blkIndent, false) + '\n';
- token.map = [startLine, state.line];
- return true;
-}
-
-// fences (``` lang, ~~~ lang)
-
-function fence(state, startLine, endLine, silent) {
- let pos = state.bMarks[startLine] + state.tShift[startLine];
- let max = state.eMarks[startLine];
-
- // if it's indented more than 3 spaces, it should be a code block
- if (state.sCount[startLine] - state.blkIndent >= 4) {
- return false;
- }
- if (pos + 3 > max) {
- return false;
- }
- const marker = state.src.charCodeAt(pos);
- if (marker !== 0x7E /* ~ */ && marker !== 0x60 /* ` */) {
- return false;
- }
-
- // scan marker length
- let mem = pos;
- pos = state.skipChars(pos, marker);
- let len = pos - mem;
- if (len < 3) {
- return false;
- }
- const markup = state.src.slice(mem, pos);
- const params = state.src.slice(pos, max);
- if (marker === 0x60 /* ` */) {
- if (params.indexOf(String.fromCharCode(marker)) >= 0) {
- return false;
- }
- }
-
- // Since start is found, we can report success here in validation mode
- if (silent) {
- return true;
- }
-
- // search end of block
- let nextLine = startLine;
- let haveEndMarker = false;
- for (;;) {
- nextLine++;
- if (nextLine >= endLine) {
- // unclosed block should be autoclosed by end of document.
- // also block seems to be autoclosed by end of parent
- break;
- }
- pos = mem = state.bMarks[nextLine] + state.tShift[nextLine];
- max = state.eMarks[nextLine];
- if (pos < max && state.sCount[nextLine] < state.blkIndent) {
- // non-empty line with negative indent should stop the list:
- // - ```
- // test
- break;
- }
- if (state.src.charCodeAt(pos) !== marker) {
- continue;
- }
- if (state.sCount[nextLine] - state.blkIndent >= 4) {
- // closing fence should be indented less than 4 spaces
- continue;
- }
- pos = state.skipChars(pos, marker);
-
- // closing code fence must be at least as long as the opening one
- if (pos - mem < len) {
- continue;
- }
-
- // make sure tail has spaces only
- pos = state.skipSpaces(pos);
- if (pos < max) {
- continue;
- }
- haveEndMarker = true;
- // found!
- break;
- }
-
- // If a fence has heading spaces, they should be removed from its inner block
- len = state.sCount[startLine];
- state.line = nextLine + (haveEndMarker ? 1 : 0);
- const token = state.push('fence', 'code', 0);
- token.info = params;
- token.content = state.getLines(startLine + 1, nextLine, len, true);
- token.markup = markup;
- token.map = [startLine, state.line];
- return true;
-}
-
-// Block quotes
-
-function blockquote(state, startLine, endLine, silent) {
- let pos = state.bMarks[startLine] + state.tShift[startLine];
- let max = state.eMarks[startLine];
- const oldLineMax = state.lineMax;
-
- // if it's indented more than 3 spaces, it should be a code block
- if (state.sCount[startLine] - state.blkIndent >= 4) {
- return false;
- }
-
- // check the block quote marker
- if (state.src.charCodeAt(pos) !== 0x3E /* > */) {
- return false;
- }
-
- // we know that it's going to be a valid blockquote,
- // so no point trying to find the end of it in silent mode
- if (silent) {
- return true;
- }
- const oldBMarks = [];
- const oldBSCount = [];
- const oldSCount = [];
- const oldTShift = [];
- const terminatorRules = state.md.block.ruler.getRules('blockquote');
- const oldParentType = state.parentType;
- state.parentType = 'blockquote';
- let lastLineEmpty = false;
- let nextLine;
-
- // Search the end of the block
- //
- // Block ends with either:
- // 1. an empty line outside:
- // ```
- // > test
- //
- // ```
- // 2. an empty line inside:
- // ```
- // >
- // test
- // ```
- // 3. another tag:
- // ```
- // > test
- // - - -
- // ```
- for (nextLine = startLine; nextLine < endLine; nextLine++) {
- // check if it's outdented, i.e. it's inside list item and indented
- // less than said list item:
- //
- // ```
- // 1. anything
- // > current blockquote
- // 2. checking this line
- // ```
- const isOutdented = state.sCount[nextLine] < state.blkIndent;
- pos = state.bMarks[nextLine] + state.tShift[nextLine];
- max = state.eMarks[nextLine];
- if (pos >= max) {
- // Case 1: line is not inside the blockquote, and this line is empty.
- break;
- }
- if (state.src.charCodeAt(pos++) === 0x3E /* > */ && !isOutdented) {
- // This line is inside the blockquote.
-
- // set offset past spaces and ">"
- let initial = state.sCount[nextLine] + 1;
- let spaceAfterMarker;
- let adjustTab;
-
- // skip one optional space after '>'
- if (state.src.charCodeAt(pos) === 0x20 /* space */) {
- // ' > test '
- // ^ -- position start of line here:
- pos++;
- initial++;
- adjustTab = false;
- spaceAfterMarker = true;
- } else if (state.src.charCodeAt(pos) === 0x09 /* tab */) {
- spaceAfterMarker = true;
- if ((state.bsCount[nextLine] + initial) % 4 === 3) {
- // ' >\t test '
- // ^ -- position start of line here (tab has width===1)
- pos++;
- initial++;
- adjustTab = false;
- } else {
- // ' >\t test '
- // ^ -- position start of line here + shift bsCount slightly
- // to make extra space appear
- adjustTab = true;
- }
- } else {
- spaceAfterMarker = false;
- }
- let offset = initial;
- oldBMarks.push(state.bMarks[nextLine]);
- state.bMarks[nextLine] = pos;
- while (pos < max) {
- const ch = state.src.charCodeAt(pos);
- if (isSpace(ch)) {
- if (ch === 0x09) {
- offset += 4 - (offset + state.bsCount[nextLine] + (adjustTab ? 1 : 0)) % 4;
- } else {
- offset++;
- }
- } else {
- break;
- }
- pos++;
- }
- lastLineEmpty = pos >= max;
- oldBSCount.push(state.bsCount[nextLine]);
- state.bsCount[nextLine] = state.sCount[nextLine] + 1 + (spaceAfterMarker ? 1 : 0);
- oldSCount.push(state.sCount[nextLine]);
- state.sCount[nextLine] = offset - initial;
- oldTShift.push(state.tShift[nextLine]);
- state.tShift[nextLine] = pos - state.bMarks[nextLine];
- continue;
- }
-
- // Case 2: line is not inside the blockquote, and the last line was empty.
- if (lastLineEmpty) {
- break;
- }
-
- // Case 3: another tag found.
- let terminate = false;
- for (let i = 0, l = terminatorRules.length; i < l; i++) {
- if (terminatorRules[i](state, nextLine, endLine, true)) {
- terminate = true;
- break;
- }
- }
- if (terminate) {
- // Quirk to enforce "hard termination mode" for paragraphs;
- // normally if you call `tokenize(state, startLine, nextLine)`,
- // paragraphs will look below nextLine for paragraph continuation,
- // but if blockquote is terminated by another tag, they shouldn't
- state.lineMax = nextLine;
- if (state.blkIndent !== 0) {
- // state.blkIndent was non-zero, we now set it to zero,
- // so we need to re-calculate all offsets to appear as
- // if indent wasn't changed
- oldBMarks.push(state.bMarks[nextLine]);
- oldBSCount.push(state.bsCount[nextLine]);
- oldTShift.push(state.tShift[nextLine]);
- oldSCount.push(state.sCount[nextLine]);
- state.sCount[nextLine] -= state.blkIndent;
- }
- break;
- }
- oldBMarks.push(state.bMarks[nextLine]);
- oldBSCount.push(state.bsCount[nextLine]);
- oldTShift.push(state.tShift[nextLine]);
- oldSCount.push(state.sCount[nextLine]);
-
- // A negative indentation means that this is a paragraph continuation
- //
- state.sCount[nextLine] = -1;
- }
- const oldIndent = state.blkIndent;
- state.blkIndent = 0;
- const token_o = state.push('blockquote_open', 'blockquote', 1);
- token_o.markup = '>';
- const lines = [startLine, 0];
- token_o.map = lines;
- state.md.block.tokenize(state, startLine, nextLine);
- const token_c = state.push('blockquote_close', 'blockquote', -1);
- token_c.markup = '>';
- state.lineMax = oldLineMax;
- state.parentType = oldParentType;
- lines[1] = state.line;
-
- // Restore original tShift; this might not be necessary since the parser
- // has already been here, but just to make sure we can do that.
- for (let i = 0; i < oldTShift.length; i++) {
- state.bMarks[i + startLine] = oldBMarks[i];
- state.tShift[i + startLine] = oldTShift[i];
- state.sCount[i + startLine] = oldSCount[i];
- state.bsCount[i + startLine] = oldBSCount[i];
- }
- state.blkIndent = oldIndent;
- return true;
-}
-
-// Horizontal rule
-
-function hr(state, startLine, endLine, silent) {
- const max = state.eMarks[startLine];
- // if it's indented more than 3 spaces, it should be a code block
- if (state.sCount[startLine] - state.blkIndent >= 4) {
- return false;
- }
- let pos = state.bMarks[startLine] + state.tShift[startLine];
- const marker = state.src.charCodeAt(pos++);
-
- // Check hr marker
- if (marker !== 0x2A /* * */ && marker !== 0x2D /* - */ && marker !== 0x5F /* _ */) {
- return false;
- }
-
- // markers can be mixed with spaces, but there should be at least 3 of them
-
- let cnt = 1;
- while (pos < max) {
- const ch = state.src.charCodeAt(pos++);
- if (ch !== marker && !isSpace(ch)) {
- return false;
- }
- if (ch === marker) {
- cnt++;
- }
- }
- if (cnt < 3) {
- return false;
- }
- if (silent) {
- return true;
- }
- state.line = startLine + 1;
- const token = state.push('hr', 'hr', 0);
- token.map = [startLine, state.line];
- token.markup = Array(cnt + 1).join(String.fromCharCode(marker));
- return true;
-}
-
-// Lists
-
-
-// Search `[-+*][\n ]`, returns next pos after marker on success
-// or -1 on fail.
-function skipBulletListMarker(state, startLine) {
- const max = state.eMarks[startLine];
- let pos = state.bMarks[startLine] + state.tShift[startLine];
- const marker = state.src.charCodeAt(pos++);
- // Check bullet
- if (marker !== 0x2A /* * */ && marker !== 0x2D /* - */ && marker !== 0x2B /* + */) {
- return -1;
- }
- if (pos < max) {
- const ch = state.src.charCodeAt(pos);
- if (!isSpace(ch)) {
- // " -test " - is not a list item
- return -1;
- }
- }
- return pos;
-}
-
-// Search `\d+[.)][\n ]`, returns next pos after marker on success
-// or -1 on fail.
-function skipOrderedListMarker(state, startLine) {
- const start = state.bMarks[startLine] + state.tShift[startLine];
- const max = state.eMarks[startLine];
- let pos = start;
-
- // List marker should have at least 2 chars (digit + dot)
- if (pos + 1 >= max) {
- return -1;
- }
- let ch = state.src.charCodeAt(pos++);
- if (ch < 0x30 /* 0 */ || ch > 0x39 /* 9 */) {
- return -1;
- }
- for (;;) {
- // EOL -> fail
- if (pos >= max) {
- return -1;
- }
- ch = state.src.charCodeAt(pos++);
- if (ch >= 0x30 /* 0 */ && ch <= 0x39 /* 9 */) {
- // List marker should have no more than 9 digits
- // (prevents integer overflow in browsers)
- if (pos - start >= 10) {
- return -1;
- }
- continue;
- }
-
- // found valid marker
- if (ch === 0x29 /* ) */ || ch === 0x2e /* . */) {
- break;
- }
- return -1;
- }
- if (pos < max) {
- ch = state.src.charCodeAt(pos);
- if (!isSpace(ch)) {
- // " 1.test " - is not a list item
- return -1;
- }
- }
- return pos;
-}
-function markTightParagraphs(state, idx) {
- const level = state.level + 2;
- for (let i = idx + 2, l = state.tokens.length - 2; i < l; i++) {
- if (state.tokens[i].level === level && state.tokens[i].type === 'paragraph_open') {
- state.tokens[i + 2].hidden = true;
- state.tokens[i].hidden = true;
- i += 2;
- }
- }
-}
-function list(state, startLine, endLine, silent) {
- let max, pos, start, token;
- let nextLine = startLine;
- let tight = true;
-
- // if it's indented more than 3 spaces, it should be a code block
- if (state.sCount[nextLine] - state.blkIndent >= 4) {
- return false;
- }
-
- // Special case:
- // - item 1
- // - item 2
- // - item 3
- // - item 4
- // - this one is a paragraph continuation
- if (state.listIndent >= 0 && state.sCount[nextLine] - state.listIndent >= 4 && state.sCount[nextLine] < state.blkIndent) {
- return false;
- }
- let isTerminatingParagraph = false;
-
- // limit conditions when list can interrupt
- // a paragraph (validation mode only)
- if (silent && state.parentType === 'paragraph') {
- // Next list item should still terminate previous list item;
- //
- // This code can fail if plugins use blkIndent as well as lists,
- // but I hope the spec gets fixed long before that happens.
- //
- if (state.sCount[nextLine] >= state.blkIndent) {
- isTerminatingParagraph = true;
- }
- }
-
- // Detect list type and position after marker
- let isOrdered;
- let markerValue;
- let posAfterMarker;
- if ((posAfterMarker = skipOrderedListMarker(state, nextLine)) >= 0) {
- isOrdered = true;
- start = state.bMarks[nextLine] + state.tShift[nextLine];
- markerValue = Number(state.src.slice(start, posAfterMarker - 1));
-
- // If we're starting a new ordered list right after
- // a paragraph, it should start with 1.
- if (isTerminatingParagraph && markerValue !== 1) return false;
- } else if ((posAfterMarker = skipBulletListMarker(state, nextLine)) >= 0) {
- isOrdered = false;
- } else {
- return false;
- }
-
- // If we're starting a new unordered list right after
- // a paragraph, first line should not be empty.
- if (isTerminatingParagraph) {
- if (state.skipSpaces(posAfterMarker) >= state.eMarks[nextLine]) return false;
- }
-
- // For validation mode we can terminate immediately
- if (silent) {
- return true;
- }
-
- // We should terminate list on style change. Remember first one to compare.
- const markerCharCode = state.src.charCodeAt(posAfterMarker - 1);
-
- // Start list
- const listTokIdx = state.tokens.length;
- if (isOrdered) {
- token = state.push('ordered_list_open', 'ol', 1);
- if (markerValue !== 1) {
- token.attrs = [['start', markerValue]];
- }
- } else {
- token = state.push('bullet_list_open', 'ul', 1);
- }
- const listLines = [nextLine, 0];
- token.map = listLines;
- token.markup = String.fromCharCode(markerCharCode);
-
- //
- // Iterate list items
- //
-
- let prevEmptyEnd = false;
- const terminatorRules = state.md.block.ruler.getRules('list');
- const oldParentType = state.parentType;
- state.parentType = 'list';
- while (nextLine < endLine) {
- pos = posAfterMarker;
- max = state.eMarks[nextLine];
- const initial = state.sCount[nextLine] + posAfterMarker - (state.bMarks[nextLine] + state.tShift[nextLine]);
- let offset = initial;
- while (pos < max) {
- const ch = state.src.charCodeAt(pos);
- if (ch === 0x09) {
- offset += 4 - (offset + state.bsCount[nextLine]) % 4;
- } else if (ch === 0x20) {
- offset++;
- } else {
- break;
- }
- pos++;
- }
- const contentStart = pos;
- let indentAfterMarker;
- if (contentStart >= max) {
- // trimming space in "- \n 3" case, indent is 1 here
- indentAfterMarker = 1;
- } else {
- indentAfterMarker = offset - initial;
- }
-
- // If we have more than 4 spaces, the indent is 1
- // (the rest is just indented code block)
- if (indentAfterMarker > 4) {
- indentAfterMarker = 1;
- }
-
- // " - test"
- // ^^^^^ - calculating total length of this thing
- const indent = initial + indentAfterMarker;
-
- // Run subparser & write tokens
- token = state.push('list_item_open', 'li', 1);
- token.markup = String.fromCharCode(markerCharCode);
- const itemLines = [nextLine, 0];
- token.map = itemLines;
- if (isOrdered) {
- token.info = state.src.slice(start, posAfterMarker - 1);
- }
-
- // change current state, then restore it after parser subcall
- const oldTight = state.tight;
- const oldTShift = state.tShift[nextLine];
- const oldSCount = state.sCount[nextLine];
-
- // - example list
- // ^ listIndent position will be here
- // ^ blkIndent position will be here
- //
- const oldListIndent = state.listIndent;
- state.listIndent = state.blkIndent;
- state.blkIndent = indent;
- state.tight = true;
- state.tShift[nextLine] = contentStart - state.bMarks[nextLine];
- state.sCount[nextLine] = offset;
- if (contentStart >= max && state.isEmpty(nextLine + 1)) {
- // workaround for this case
- // (list item is empty, list terminates before "foo"):
- // ~~~~~~~~
- // -
- //
- // foo
- // ~~~~~~~~
- state.line = Math.min(state.line + 2, endLine);
- } else {
- state.md.block.tokenize(state, nextLine, endLine, true);
- }
-
- // If any of list item is tight, mark list as tight
- if (!state.tight || prevEmptyEnd) {
- tight = false;
- }
- // Item become loose if finish with empty line,
- // but we should filter last element, because it means list finish
- prevEmptyEnd = state.line - nextLine > 1 && state.isEmpty(state.line - 1);
- state.blkIndent = state.listIndent;
- state.listIndent = oldListIndent;
- state.tShift[nextLine] = oldTShift;
- state.sCount[nextLine] = oldSCount;
- state.tight = oldTight;
- token = state.push('list_item_close', 'li', -1);
- token.markup = String.fromCharCode(markerCharCode);
- nextLine = state.line;
- itemLines[1] = nextLine;
- if (nextLine >= endLine) {
- break;
- }
-
- //
- // Try to check if list is terminated or continued.
- //
- if (state.sCount[nextLine] < state.blkIndent) {
- break;
- }
-
- // if it's indented more than 3 spaces, it should be a code block
- if (state.sCount[nextLine] - state.blkIndent >= 4) {
- break;
- }
-
- // fail if terminating block found
- let terminate = false;
- for (let i = 0, l = terminatorRules.length; i < l; i++) {
- if (terminatorRules[i](state, nextLine, endLine, true)) {
- terminate = true;
- break;
- }
- }
- if (terminate) {
- break;
- }
-
- // fail if list has another type
- if (isOrdered) {
- posAfterMarker = skipOrderedListMarker(state, nextLine);
- if (posAfterMarker < 0) {
- break;
- }
- start = state.bMarks[nextLine] + state.tShift[nextLine];
- } else {
- posAfterMarker = skipBulletListMarker(state, nextLine);
- if (posAfterMarker < 0) {
- break;
- }
- }
- if (markerCharCode !== state.src.charCodeAt(posAfterMarker - 1)) {
- break;
- }
- }
-
- // Finalize list
- if (isOrdered) {
- token = state.push('ordered_list_close', 'ol', -1);
- } else {
- token = state.push('bullet_list_close', 'ul', -1);
- }
- token.markup = String.fromCharCode(markerCharCode);
- listLines[1] = nextLine;
- state.line = nextLine;
- state.parentType = oldParentType;
-
- // mark paragraphs tight if needed
- if (tight) {
- markTightParagraphs(state, listTokIdx);
- }
- return true;
-}
-
-function reference(state, startLine, _endLine, silent) {
- let pos = state.bMarks[startLine] + state.tShift[startLine];
- let max = state.eMarks[startLine];
- let nextLine = startLine + 1;
-
- // if it's indented more than 3 spaces, it should be a code block
- if (state.sCount[startLine] - state.blkIndent >= 4) {
- return false;
- }
- if (state.src.charCodeAt(pos) !== 0x5B /* [ */) {
- return false;
- }
- function getNextLine(nextLine) {
- const endLine = state.lineMax;
- if (nextLine >= endLine || state.isEmpty(nextLine)) {
- // empty line or end of input
- return null;
- }
- let isContinuation = false;
-
- // this would be a code block normally, but after paragraph
- // it's considered a lazy continuation regardless of what's there
- if (state.sCount[nextLine] - state.blkIndent > 3) {
- isContinuation = true;
- }
-
- // quirk for blockquotes, this line should already be checked by that rule
- if (state.sCount[nextLine] < 0) {
- isContinuation = true;
- }
- if (!isContinuation) {
- const terminatorRules = state.md.block.ruler.getRules('reference');
- const oldParentType = state.parentType;
- state.parentType = 'reference';
-
- // Some tags can terminate paragraph without empty line.
- let terminate = false;
- for (let i = 0, l = terminatorRules.length; i < l; i++) {
- if (terminatorRules[i](state, nextLine, endLine, true)) {
- terminate = true;
- break;
- }
- }
- state.parentType = oldParentType;
- if (terminate) {
- // terminated by another block
- return null;
- }
- }
- const pos = state.bMarks[nextLine] + state.tShift[nextLine];
- const max = state.eMarks[nextLine];
-
- // max + 1 explicitly includes the newline
- return state.src.slice(pos, max + 1);
- }
- let str = state.src.slice(pos, max + 1);
- max = str.length;
- let labelEnd = -1;
- for (pos = 1; pos < max; pos++) {
- const ch = str.charCodeAt(pos);
- if (ch === 0x5B /* [ */) {
- return false;
- } else if (ch === 0x5D /* ] */) {
- labelEnd = pos;
- break;
- } else if (ch === 0x0A /* \n */) {
- const lineContent = getNextLine(nextLine);
- if (lineContent !== null) {
- str += lineContent;
- max = str.length;
- nextLine++;
- }
- } else if (ch === 0x5C /* \ */) {
- pos++;
- if (pos < max && str.charCodeAt(pos) === 0x0A) {
- const lineContent = getNextLine(nextLine);
- if (lineContent !== null) {
- str += lineContent;
- max = str.length;
- nextLine++;
- }
- }
- }
- }
- if (labelEnd < 0 || str.charCodeAt(labelEnd + 1) !== 0x3A /* : */) {
- return false;
- }
-
- // [label]: destination 'title'
- // ^^^ skip optional whitespace here
- for (pos = labelEnd + 2; pos < max; pos++) {
- const ch = str.charCodeAt(pos);
- if (ch === 0x0A) {
- const lineContent = getNextLine(nextLine);
- if (lineContent !== null) {
- str += lineContent;
- max = str.length;
- nextLine++;
- }
- } else if (isSpace(ch)) ; else {
- break;
- }
- }
-
- // [label]: destination 'title'
- // ^^^^^^^^^^^ parse this
- const destRes = state.md.helpers.parseLinkDestination(str, pos, max);
- if (!destRes.ok) {
- return false;
- }
- const href = state.md.normalizeLink(destRes.str);
- if (!state.md.validateLink(href)) {
- return false;
- }
- pos = destRes.pos;
-
- // save cursor state, we could require to rollback later
- const destEndPos = pos;
- const destEndLineNo = nextLine;
-
- // [label]: destination 'title'
- // ^^^ skipping those spaces
- const start = pos;
- for (; pos < max; pos++) {
- const ch = str.charCodeAt(pos);
- if (ch === 0x0A) {
- const lineContent = getNextLine(nextLine);
- if (lineContent !== null) {
- str += lineContent;
- max = str.length;
- nextLine++;
- }
- } else if (isSpace(ch)) ; else {
- break;
- }
- }
-
- // [label]: destination 'title'
- // ^^^^^^^ parse this
- let titleRes = state.md.helpers.parseLinkTitle(str, pos, max);
- while (titleRes.can_continue) {
- const lineContent = getNextLine(nextLine);
- if (lineContent === null) break;
- str += lineContent;
- pos = max;
- max = str.length;
- nextLine++;
- titleRes = state.md.helpers.parseLinkTitle(str, pos, max, titleRes);
- }
- let title;
- if (pos < max && start !== pos && titleRes.ok) {
- title = titleRes.str;
- pos = titleRes.pos;
- } else {
- title = '';
- pos = destEndPos;
- nextLine = destEndLineNo;
- }
-
- // skip trailing spaces until the rest of the line
- while (pos < max) {
- const ch = str.charCodeAt(pos);
- if (!isSpace(ch)) {
- break;
- }
- pos++;
- }
- if (pos < max && str.charCodeAt(pos) !== 0x0A) {
- if (title) {
- // garbage at the end of the line after title,
- // but it could still be a valid reference if we roll back
- title = '';
- pos = destEndPos;
- nextLine = destEndLineNo;
- while (pos < max) {
- const ch = str.charCodeAt(pos);
- if (!isSpace(ch)) {
- break;
- }
- pos++;
- }
- }
- }
- if (pos < max && str.charCodeAt(pos) !== 0x0A) {
- // garbage at the end of the line
- return false;
- }
- const label = normalizeReference(str.slice(1, labelEnd));
- if (!label) {
- // CommonMark 0.20 disallows empty labels
- return false;
- }
-
- // Reference can not terminate anything. This check is for safety only.
- /* istanbul ignore if */
- if (silent) {
- return true;
- }
- if (typeof state.env.references === 'undefined') {
- state.env.references = {};
- }
- if (typeof state.env.references[label] === 'undefined') {
- state.env.references[label] = {
- title,
- href
- };
- }
- state.line = nextLine;
- return true;
-}
-
-// List of valid html blocks names, according to commonmark spec
-// https://spec.commonmark.org/0.30/#html-blocks
-
-var block_names = ['address', 'article', 'aside', 'base', 'basefont', 'blockquote', 'body', 'caption', 'center', 'col', 'colgroup', 'dd', 'details', 'dialog', 'dir', 'div', 'dl', 'dt', 'fieldset', 'figcaption', 'figure', 'footer', 'form', 'frame', 'frameset', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'head', 'header', 'hr', 'html', 'iframe', 'legend', 'li', 'link', 'main', 'menu', 'menuitem', 'nav', 'noframes', 'ol', 'optgroup', 'option', 'p', 'param', 'search', 'section', 'summary', 'table', 'tbody', 'td', 'tfoot', 'th', 'thead', 'title', 'tr', 'track', 'ul'];
-
-// Regexps to match html elements
-
-const attr_name = '[a-zA-Z_:][a-zA-Z0-9:._-]*';
-const unquoted = '[^"\'=<>`\\x00-\\x20]+';
-const single_quoted = "'[^']*'";
-const double_quoted = '"[^"]*"';
-const attr_value = '(?:' + unquoted + '|' + single_quoted + '|' + double_quoted + ')';
-const attribute = '(?:\\s+' + attr_name + '(?:\\s*=\\s*' + attr_value + ')?)';
-const open_tag = '<[A-Za-z][A-Za-z0-9\\-]*' + attribute + '*\\s*\\/?>';
-const close_tag = '<\\/[A-Za-z][A-Za-z0-9\\-]*\\s*>';
-const comment = '<!---?>|<!--(?:[^-]|-[^-]|--[^>])*-->';
-const processing = '<[?][\\s\\S]*?[?]>';
-const declaration = '<![A-Za-z][^>]*>';
-const cdata = '<!\\[CDATA\\[[\\s\\S]*?\\]\\]>';
-const HTML_TAG_RE = new RegExp('^(?:' + open_tag + '|' + close_tag + '|' + comment + '|' + processing + '|' + declaration + '|' + cdata + ')');
-const HTML_OPEN_CLOSE_TAG_RE = new RegExp('^(?:' + open_tag + '|' + close_tag + ')');
-
-// HTML block
-
-
-// An array of opening and corresponding closing sequences for html tags,
-// last argument defines whether it can terminate a paragraph or not
-//
-const HTML_SEQUENCES = [[/^<(script|pre|style|textarea)(?=(\s|>|$))/i, /<\/(script|pre|style|textarea)>/i, true], [/^<!--/, /-->/, true], [/^<\?/, /\?>/, true], [/^<![A-Z]/, />/, true], [/^<!\[CDATA\[/, /\]\]>/, true], [new RegExp('^</?(' + block_names.join('|') + ')(?=(\\s|/?>|$))', 'i'), /^$/, true], [new RegExp(HTML_OPEN_CLOSE_TAG_RE.source + '\\s*$'), /^$/, false]];
-function html_block(state, startLine, endLine, silent) {
- let pos = state.bMarks[startLine] + state.tShift[startLine];
- let max = state.eMarks[startLine];
-
- // if it's indented more than 3 spaces, it should be a code block
- if (state.sCount[startLine] - state.blkIndent >= 4) {
- return false;
- }
- if (!state.md.options.html) {
- return false;
- }
- if (state.src.charCodeAt(pos) !== 0x3C /* < */) {
- return false;
- }
- let lineText = state.src.slice(pos, max);
- let i = 0;
- for (; i < HTML_SEQUENCES.length; i++) {
- if (HTML_SEQUENCES[i][0].test(lineText)) {
- break;
- }
- }
- if (i === HTML_SEQUENCES.length) {
- return false;
- }
- if (silent) {
- // true if this sequence can be a terminator, false otherwise
- return HTML_SEQUENCES[i][2];
- }
- let nextLine = startLine + 1;
-
- // If we are here - we detected HTML block.
- // Let's roll down till block end.
- if (!HTML_SEQUENCES[i][1].test(lineText)) {
- for (; nextLine < endLine; nextLine++) {
- if (state.sCount[nextLine] < state.blkIndent) {
- break;
- }
- pos = state.bMarks[nextLine] + state.tShift[nextLine];
- max = state.eMarks[nextLine];
- lineText = state.src.slice(pos, max);
- if (HTML_SEQUENCES[i][1].test(lineText)) {
- if (lineText.length !== 0) {
- nextLine++;
- }
- break;
- }
- }
- }
- state.line = nextLine;
- const token = state.push('html_block', '', 0);
- token.map = [startLine, nextLine];
- token.content = state.getLines(startLine, nextLine, state.blkIndent, true);
- return true;
-}
-
-// heading (#, ##, ...)
-
-function heading(state, startLine, endLine, silent) {
- let pos = state.bMarks[startLine] + state.tShift[startLine];
- let max = state.eMarks[startLine];
-
- // if it's indented more than 3 spaces, it should be a code block
- if (state.sCount[startLine] - state.blkIndent >= 4) {
- return false;
- }
- let ch = state.src.charCodeAt(pos);
- if (ch !== 0x23 /* # */ || pos >= max) {
- return false;
- }
-
- // count heading level
- let level = 1;
- ch = state.src.charCodeAt(++pos);
- while (ch === 0x23 /* # */ && pos < max && level <= 6) {
- level++;
- ch = state.src.charCodeAt(++pos);
- }
- if (level > 6 || pos < max && !isSpace(ch)) {
- return false;
- }
- if (silent) {
- return true;
- }
-
- // Let's cut tails like ' ### ' from the end of string
-
- max = state.skipSpacesBack(max, pos);
- const tmp = state.skipCharsBack(max, 0x23, pos); // #
- if (tmp > pos && isSpace(state.src.charCodeAt(tmp - 1))) {
- max = tmp;
- }
- state.line = startLine + 1;
- const token_o = state.push('heading_open', 'h' + String(level), 1);
- token_o.markup = '########'.slice(0, level);
- token_o.map = [startLine, state.line];
- const token_i = state.push('inline', '', 0);
- token_i.content = state.src.slice(pos, max).trim();
- token_i.map = [startLine, state.line];
- token_i.children = [];
- const token_c = state.push('heading_close', 'h' + String(level), -1);
- token_c.markup = '########'.slice(0, level);
- return true;
-}
-
-// lheading (---, ===)
-
-function lheading(state, startLine, endLine /*, silent */) {
- const terminatorRules = state.md.block.ruler.getRules('paragraph');
-
- // if it's indented more than 3 spaces, it should be a code block
- if (state.sCount[startLine] - state.blkIndent >= 4) {
- return false;
- }
- const oldParentType = state.parentType;
- state.parentType = 'paragraph'; // use paragraph to match terminatorRules
-
- // jump line-by-line until empty one or EOF
- let level = 0;
- let marker;
- let nextLine = startLine + 1;
- for (; nextLine < endLine && !state.isEmpty(nextLine); nextLine++) {
- // this would be a code block normally, but after paragraph
- // it's considered a lazy continuation regardless of what's there
- if (state.sCount[nextLine] - state.blkIndent > 3) {
- continue;
- }
-
- //
- // Check for underline in setext header
- //
- if (state.sCount[nextLine] >= state.blkIndent) {
- let pos = state.bMarks[nextLine] + state.tShift[nextLine];
- const max = state.eMarks[nextLine];
- if (pos < max) {
- marker = state.src.charCodeAt(pos);
- if (marker === 0x2D /* - */ || marker === 0x3D /* = */) {
- pos = state.skipChars(pos, marker);
- pos = state.skipSpaces(pos);
- if (pos >= max) {
- level = marker === 0x3D /* = */ ? 1 : 2;
- break;
- }
- }
- }
- }
-
- // quirk for blockquotes, this line should already be checked by that rule
- if (state.sCount[nextLine] < 0) {
- continue;
- }
-
- // Some tags can terminate paragraph without empty line.
- let terminate = false;
- for (let i = 0, l = terminatorRules.length; i < l; i++) {
- if (terminatorRules[i](state, nextLine, endLine, true)) {
- terminate = true;
- break;
- }
- }
- if (terminate) {
- break;
- }
- }
- if (!level) {
- // Didn't find valid underline
- return false;
- }
- const content = state.getLines(startLine, nextLine, state.blkIndent, false).trim();
- state.line = nextLine + 1;
- const token_o = state.push('heading_open', 'h' + String(level), 1);
- token_o.markup = String.fromCharCode(marker);
- token_o.map = [startLine, state.line];
- const token_i = state.push('inline', '', 0);
- token_i.content = content;
- token_i.map = [startLine, state.line - 1];
- token_i.children = [];
- const token_c = state.push('heading_close', 'h' + String(level), -1);
- token_c.markup = String.fromCharCode(marker);
- state.parentType = oldParentType;
- return true;
-}
-
-// Paragraph
-
-function paragraph(state, startLine, endLine) {
- const terminatorRules = state.md.block.ruler.getRules('paragraph');
- const oldParentType = state.parentType;
- let nextLine = startLine + 1;
- state.parentType = 'paragraph';
-
- // jump line-by-line until empty one or EOF
- for (; nextLine < endLine && !state.isEmpty(nextLine); nextLine++) {
- // this would be a code block normally, but after paragraph
- // it's considered a lazy continuation regardless of what's there
- if (state.sCount[nextLine] - state.blkIndent > 3) {
- continue;
- }
-
- // quirk for blockquotes, this line should already be checked by that rule
- if (state.sCount[nextLine] < 0) {
- continue;
- }
-
- // Some tags can terminate paragraph without empty line.
- let terminate = false;
- for (let i = 0, l = terminatorRules.length; i < l; i++) {
- if (terminatorRules[i](state, nextLine, endLine, true)) {
- terminate = true;
- break;
- }
- }
- if (terminate) {
- break;
- }
- }
- const content = state.getLines(startLine, nextLine, state.blkIndent, false).trim();
- state.line = nextLine;
- const token_o = state.push('paragraph_open', 'p', 1);
- token_o.map = [startLine, state.line];
- const token_i = state.push('inline', '', 0);
- token_i.content = content;
- token_i.map = [startLine, state.line];
- token_i.children = [];
- state.push('paragraph_close', 'p', -1);
- state.parentType = oldParentType;
- return true;
-}
-
-/** internal
- * class ParserBlock
- *
- * Block-level tokenizer.
- **/
-
-const _rules$1 = [
-// First 2 params - rule name & source. Secondary array - list of rules,
-// which can be terminated by this one.
-['table', table, ['paragraph', 'reference']], ['code', code], ['fence', fence, ['paragraph', 'reference', 'blockquote', 'list']], ['blockquote', blockquote, ['paragraph', 'reference', 'blockquote', 'list']], ['hr', hr, ['paragraph', 'reference', 'blockquote', 'list']], ['list', list, ['paragraph', 'reference', 'blockquote']], ['reference', reference], ['html_block', html_block, ['paragraph', 'reference', 'blockquote']], ['heading', heading, ['paragraph', 'reference', 'blockquote']], ['lheading', lheading], ['paragraph', paragraph]];
-
-/**
- * new ParserBlock()
- **/
-function ParserBlock() {
- /**
- * ParserBlock#ruler -> Ruler
- *
- * [[Ruler]] instance. Keep configuration of block rules.
- **/
- this.ruler = new Ruler();
- for (let i = 0; i < _rules$1.length; i++) {
- this.ruler.push(_rules$1[i][0], _rules$1[i][1], {
- alt: (_rules$1[i][2] || []).slice()
- });
- }
-}
-
-// Generate tokens for input range
-//
-ParserBlock.prototype.tokenize = function (state, startLine, endLine) {
- const rules = this.ruler.getRules('');
- const len = rules.length;
- const maxNesting = state.md.options.maxNesting;
- let line = startLine;
- let hasEmptyLines = false;
- while (line < endLine) {
- state.line = line = state.skipEmptyLines(line);
- if (line >= endLine) {
- break;
- }
-
- // Termination condition for nested calls.
- // Nested calls currently used for blockquotes & lists
- if (state.sCount[line] < state.blkIndent) {
- break;
- }
-
- // If nesting level exceeded - skip tail to the end. That's not ordinary
- // situation and we should not care about content.
- if (state.level >= maxNesting) {
- state.line = endLine;
- break;
- }
-
- // Try all possible rules.
- // On success, rule should:
- //
- // - update `state.line`
- // - update `state.tokens`
- // - return true
- const prevLine = state.line;
- let ok = false;
- for (let i = 0; i < len; i++) {
- ok = rules[i](state, line, endLine, false);
- if (ok) {
- if (prevLine >= state.line) {
- throw new Error("block rule didn't increment state.line");
- }
- break;
- }
- }
-
- // this can only happen if user disables paragraph rule
- if (!ok) throw new Error('none of the block rules matched');
-
- // set state.tight if we had an empty line before current tag
- // i.e. latest empty line should not count
- state.tight = !hasEmptyLines;
-
- // paragraph might "eat" one newline after it in nested lists
- if (state.isEmpty(state.line - 1)) {
- hasEmptyLines = true;
- }
- line = state.line;
- if (line < endLine && state.isEmpty(line)) {
- hasEmptyLines = true;
- line++;
- state.line = line;
- }
- }
-};
-
-/**
- * ParserBlock.parse(str, md, env, outTokens)
- *
- * Process input string and push block tokens into `outTokens`
- **/
-ParserBlock.prototype.parse = function (src, md, env, outTokens) {
- if (!src) {
- return;
- }
- const state = new this.State(src, md, env, outTokens);
- this.tokenize(state, state.line, state.lineMax);
-};
-ParserBlock.prototype.State = StateBlock;
-
-// Inline parser state
-
-function StateInline(src, md, env, outTokens) {
- this.src = src;
- this.env = env;
- this.md = md;
- this.tokens = outTokens;
- this.tokens_meta = Array(outTokens.length);
- this.pos = 0;
- this.posMax = this.src.length;
- this.level = 0;
- this.pending = '';
- this.pendingLevel = 0;
-
- // Stores { start: end } pairs. Useful for backtrack
- // optimization of pairs parse (emphasis, strikes).
- this.cache = {};
-
- // List of emphasis-like delimiters for current tag
- this.delimiters = [];
-
- // Stack of delimiter lists for upper level tags
- this._prev_delimiters = [];
-
- // backtick length => last seen position
- this.backticks = {};
- this.backticksScanned = false;
-
- // Counter used to disable inline linkify-it execution
- // inside <a> and markdown links
- this.linkLevel = 0;
-}
-
-// Flush pending text
-//
-StateInline.prototype.pushPending = function () {
- const token = new Token('text', '', 0);
- token.content = this.pending;
- token.level = this.pendingLevel;
- this.tokens.push(token);
- this.pending = '';
- return token;
-};
-
-// Push new token to "stream".
-// If pending text exists - flush it as text token
-//
-StateInline.prototype.push = function (type, tag, nesting) {
- if (this.pending) {
- this.pushPending();
- }
- const token = new Token(type, tag, nesting);
- let token_meta = null;
- if (nesting < 0) {
- // closing tag
- this.level--;
- this.delimiters = this._prev_delimiters.pop();
- }
- token.level = this.level;
- if (nesting > 0) {
- // opening tag
- this.level++;
- this._prev_delimiters.push(this.delimiters);
- this.delimiters = [];
- token_meta = {
- delimiters: this.delimiters
- };
- }
- this.pendingLevel = this.level;
- this.tokens.push(token);
- this.tokens_meta.push(token_meta);
- return token;
-};
-
-// Scan a sequence of emphasis-like markers, and determine whether
-// it can start an emphasis sequence or end an emphasis sequence.
-//
-// - start - position to scan from (it should point at a valid marker);
-// - canSplitWord - determine if these markers can be found inside a word
-//
-StateInline.prototype.scanDelims = function (start, canSplitWord) {
- const max = this.posMax;
- const marker = this.src.charCodeAt(start);
-
- // treat beginning of the line as a whitespace
- const lastChar = start > 0 ? this.src.charCodeAt(start - 1) : 0x20;
- let pos = start;
- while (pos < max && this.src.charCodeAt(pos) === marker) {
- pos++;
- }
- const count = pos - start;
-
- // treat end of the line as a whitespace
- const nextChar = pos < max ? this.src.charCodeAt(pos) : 0x20;
- const isLastPunctChar = isMdAsciiPunct(lastChar) || isPunctChar(String.fromCharCode(lastChar));
- const isNextPunctChar = isMdAsciiPunct(nextChar) || isPunctChar(String.fromCharCode(nextChar));
- const isLastWhiteSpace = isWhiteSpace(lastChar);
- const isNextWhiteSpace = isWhiteSpace(nextChar);
- const left_flanking = !isNextWhiteSpace && (!isNextPunctChar || isLastWhiteSpace || isLastPunctChar);
- const right_flanking = !isLastWhiteSpace && (!isLastPunctChar || isNextWhiteSpace || isNextPunctChar);
- const can_open = left_flanking && (canSplitWord || !right_flanking || isLastPunctChar);
- const can_close = right_flanking && (canSplitWord || !left_flanking || isNextPunctChar);
- return {
- can_open,
- can_close,
- length: count
- };
-};
-
-// re-export Token class to use in block rules
-StateInline.prototype.Token = Token;
-
-// Skip text characters for text token, place those to pending buffer
-// and increment current pos
-
-// Rule to skip pure text
-// '{}$%@~+=:' reserved for extentions
-
-// !, ", #, $, %, &, ', (, ), *, +, ,, -, ., /, :, ;, <, =, >, ?, @, [, \, ], ^, _, `, {, |, }, or ~
-
-// !!!! Don't confuse with "Markdown ASCII Punctuation" chars
-// http://spec.commonmark.org/0.15/#ascii-punctuation-character
-function isTerminatorChar(ch) {
- switch (ch) {
- case 0x0A /* \n */:
- case 0x21 /* ! */:
- case 0x23 /* # */:
- case 0x24 /* $ */:
- case 0x25 /* % */:
- case 0x26 /* & */:
- case 0x2A /* * */:
- case 0x2B /* + */:
- case 0x2D /* - */:
- case 0x3A /* : */:
- case 0x3C /* < */:
- case 0x3D /* = */:
- case 0x3E /* > */:
- case 0x40 /* @ */:
- case 0x5B /* [ */:
- case 0x5C /* \ */:
- case 0x5D /* ] */:
- case 0x5E /* ^ */:
- case 0x5F /* _ */:
- case 0x60 /* ` */:
- case 0x7B /* { */:
- case 0x7D /* } */:
- case 0x7E /* ~ */:
- return true;
- default:
- return false;
- }
-}
-function text(state, silent) {
- let pos = state.pos;
- while (pos < state.posMax && !isTerminatorChar(state.src.charCodeAt(pos))) {
- pos++;
- }
- if (pos === state.pos) {
- return false;
- }
- if (!silent) {
- state.pending += state.src.slice(state.pos, pos);
- }
- state.pos = pos;
- return true;
-}
-
-// Alternative implementation, for memory.
-//
-// It costs 10% of performance, but allows extend terminators list, if place it
-// to `ParserInline` property. Probably, will switch to it sometime, such
-// flexibility required.
-
-/*
-var TERMINATOR_RE = /[\n!#$%&*+\-:<=>@[\\\]^_`{}~]/;
-
-module.exports = function text(state, silent) {
- var pos = state.pos,
- idx = state.src.slice(pos).search(TERMINATOR_RE);
-
- // first char is terminator -> empty text
- if (idx === 0) { return false; }
-
- // no terminator -> text till end of string
- if (idx < 0) {
- if (!silent) { state.pending += state.src.slice(pos); }
- state.pos = state.src.length;
- return true;
- }
-
- if (!silent) { state.pending += state.src.slice(pos, pos + idx); }
-
- state.pos += idx;
-
- return true;
-}; */
-
-// Process links like https://example.org/
-
-// RFC3986: scheme = ALPHA *( ALPHA / DIGIT / "+" / "-" / "." )
-const SCHEME_RE = /(?:^|[^a-z0-9.+-])([a-z][a-z0-9.+-]*)$/i;
-function linkify(state, silent) {
- if (!state.md.options.linkify) return false;
- if (state.linkLevel > 0) return false;
- const pos = state.pos;
- const max = state.posMax;
- if (pos + 3 > max) return false;
- if (state.src.charCodeAt(pos) !== 0x3A /* : */) return false;
- if (state.src.charCodeAt(pos + 1) !== 0x2F /* / */) return false;
- if (state.src.charCodeAt(pos + 2) !== 0x2F /* / */) return false;
- const match = state.pending.match(SCHEME_RE);
- if (!match) return false;
- const proto = match[1];
- const link = state.md.linkify.matchAtStart(state.src.slice(pos - proto.length));
- if (!link) return false;
- let url = link.url;
-
- // invalid link, but still detected by linkify somehow;
- // need to check to prevent infinite loop below
- if (url.length <= proto.length) return false;
-
- // disallow '*' at the end of the link (conflicts with emphasis)
- url = url.replace(/\*+$/, '');
- const fullUrl = state.md.normalizeLink(url);
- if (!state.md.validateLink(fullUrl)) return false;
- if (!silent) {
- state.pending = state.pending.slice(0, -proto.length);
- const token_o = state.push('link_open', 'a', 1);
- token_o.attrs = [['href', fullUrl]];
- token_o.markup = 'linkify';
- token_o.info = 'auto';
- const token_t = state.push('text', '', 0);
- token_t.content = state.md.normalizeLinkText(url);
- const token_c = state.push('link_close', 'a', -1);
- token_c.markup = 'linkify';
- token_c.info = 'auto';
- }
- state.pos += url.length - proto.length;
- return true;
-}
-
-// Proceess '\n'
-
-function newline(state, silent) {
- let pos = state.pos;
- if (state.src.charCodeAt(pos) !== 0x0A /* \n */) {
- return false;
- }
- const pmax = state.pending.length - 1;
- const max = state.posMax;
-
- // ' \n' -> hardbreak
- // Lookup in pending chars is bad practice! Don't copy to other rules!
- // Pending string is stored in concat mode, indexed lookups will cause
- // convertion to flat mode.
- if (!silent) {
- if (pmax >= 0 && state.pending.charCodeAt(pmax) === 0x20) {
- if (pmax >= 1 && state.pending.charCodeAt(pmax - 1) === 0x20) {
- // Find whitespaces tail of pending chars.
- let ws = pmax - 1;
- while (ws >= 1 && state.pending.charCodeAt(ws - 1) === 0x20) ws--;
- state.pending = state.pending.slice(0, ws);
- state.push('hardbreak', 'br', 0);
- } else {
- state.pending = state.pending.slice(0, -1);
- state.push('softbreak', 'br', 0);
- }
- } else {
- state.push('softbreak', 'br', 0);
- }
- }
- pos++;
-
- // skip heading spaces for next line
- while (pos < max && isSpace(state.src.charCodeAt(pos))) {
- pos++;
- }
- state.pos = pos;
- return true;
-}
-
-// Process escaped chars and hardbreaks
-
-const ESCAPED = [];
-for (let i = 0; i < 256; i++) {
- ESCAPED.push(0);
-}
-'\\!"#$%&\'()*+,./:;<=>?@[]^_`{|}~-'.split('').forEach(function (ch) {
- ESCAPED[ch.charCodeAt(0)] = 1;
-});
-function escape(state, silent) {
- let pos = state.pos;
- const max = state.posMax;
- if (state.src.charCodeAt(pos) !== 0x5C /* \ */) return false;
- pos++;
-
- // '\' at the end of the inline block
- if (pos >= max) return false;
- let ch1 = state.src.charCodeAt(pos);
- if (ch1 === 0x0A) {
- if (!silent) {
- state.push('hardbreak', 'br', 0);
- }
- pos++;
- // skip leading whitespaces from next line
- while (pos < max) {
- ch1 = state.src.charCodeAt(pos);
- if (!isSpace(ch1)) break;
- pos++;
- }
- state.pos = pos;
- return true;
- }
- let escapedStr = state.src[pos];
- if (ch1 >= 0xD800 && ch1 <= 0xDBFF && pos + 1 < max) {
- const ch2 = state.src.charCodeAt(pos + 1);
- if (ch2 >= 0xDC00 && ch2 <= 0xDFFF) {
- escapedStr += state.src[pos + 1];
- pos++;
- }
- }
- const origStr = '\\' + escapedStr;
- if (!silent) {
- const token = state.push('text_special', '', 0);
- if (ch1 < 256 && ESCAPED[ch1] !== 0) {
- token.content = escapedStr;
- } else {
- token.content = origStr;
- }
- token.markup = origStr;
- token.info = 'escape';
- }
- state.pos = pos + 1;
- return true;
-}
-
-// Parse backticks
-
-function backtick(state, silent) {
- let pos = state.pos;
- const ch = state.src.charCodeAt(pos);
- if (ch !== 0x60 /* ` */) {
- return false;
- }
- const start = pos;
- pos++;
- const max = state.posMax;
-
- // scan marker length
- while (pos < max && state.src.charCodeAt(pos) === 0x60 /* ` */) {
- pos++;
- }
- const marker = state.src.slice(start, pos);
- const openerLength = marker.length;
- if (state.backticksScanned && (state.backticks[openerLength] || 0) <= start) {
- if (!silent) state.pending += marker;
- state.pos += openerLength;
- return true;
- }
- let matchEnd = pos;
- let matchStart;
-
- // Nothing found in the cache, scan until the end of the line (or until marker is found)
- while ((matchStart = state.src.indexOf('`', matchEnd)) !== -1) {
- matchEnd = matchStart + 1;
-
- // scan marker length
- while (matchEnd < max && state.src.charCodeAt(matchEnd) === 0x60 /* ` */) {
- matchEnd++;
- }
- const closerLength = matchEnd - matchStart;
- if (closerLength === openerLength) {
- // Found matching closer length.
- if (!silent) {
- const token = state.push('code_inline', 'code', 0);
- token.markup = marker;
- token.content = state.src.slice(pos, matchStart).replace(/\n/g, ' ').replace(/^ (.+) $/, '$1');
- }
- state.pos = matchEnd;
- return true;
- }
-
- // Some different length found, put it in cache as upper limit of where closer can be found
- state.backticks[closerLength] = matchStart;
- }
-
- // Scanned through the end, didn't find anything
- state.backticksScanned = true;
- if (!silent) state.pending += marker;
- state.pos += openerLength;
- return true;
-}
-
-// ~~strike through~~
-//
-
-// Insert each marker as a separate text token, and add it to delimiter list
-//
-function strikethrough_tokenize(state, silent) {
- const start = state.pos;
- const marker = state.src.charCodeAt(start);
- if (silent) {
- return false;
- }
- if (marker !== 0x7E /* ~ */) {
- return false;
- }
- const scanned = state.scanDelims(state.pos, true);
- let len = scanned.length;
- const ch = String.fromCharCode(marker);
- if (len < 2) {
- return false;
- }
- let token;
- if (len % 2) {
- token = state.push('text', '', 0);
- token.content = ch;
- len--;
- }
- for (let i = 0; i < len; i += 2) {
- token = state.push('text', '', 0);
- token.content = ch + ch;
- state.delimiters.push({
- marker,
- length: 0,
- // disable "rule of 3" length checks meant for emphasis
- token: state.tokens.length - 1,
- end: -1,
- open: scanned.can_open,
- close: scanned.can_close
- });
- }
- state.pos += scanned.length;
- return true;
-}
-function postProcess$1(state, delimiters) {
- let token;
- const loneMarkers = [];
- const max = delimiters.length;
- for (let i = 0; i < max; i++) {
- const startDelim = delimiters[i];
- if (startDelim.marker !== 0x7E /* ~ */) {
- continue;
- }
- if (startDelim.end === -1) {
- continue;
- }
- const endDelim = delimiters[startDelim.end];
- token = state.tokens[startDelim.token];
- token.type = 's_open';
- token.tag = 's';
- token.nesting = 1;
- token.markup = '~~';
- token.content = '';
- token = state.tokens[endDelim.token];
- token.type = 's_close';
- token.tag = 's';
- token.nesting = -1;
- token.markup = '~~';
- token.content = '';
- if (state.tokens[endDelim.token - 1].type === 'text' && state.tokens[endDelim.token - 1].content === '~') {
- loneMarkers.push(endDelim.token - 1);
- }
- }
-
- // If a marker sequence has an odd number of characters, it's splitted
- // like this: `~~~~~` -> `~` + `~~` + `~~`, leaving one marker at the
- // start of the sequence.
- //
- // So, we have to move all those markers after subsequent s_close tags.
- //
- while (loneMarkers.length) {
- const i = loneMarkers.pop();
- let j = i + 1;
- while (j < state.tokens.length && state.tokens[j].type === 's_close') {
- j++;
- }
- j--;
- if (i !== j) {
- token = state.tokens[j];
- state.tokens[j] = state.tokens[i];
- state.tokens[i] = token;
- }
- }
-}
-
-// Walk through delimiter list and replace text tokens with tags
-//
-function strikethrough_postProcess(state) {
- const tokens_meta = state.tokens_meta;
- const max = state.tokens_meta.length;
- postProcess$1(state, state.delimiters);
- for (let curr = 0; curr < max; curr++) {
- if (tokens_meta[curr] && tokens_meta[curr].delimiters) {
- postProcess$1(state, tokens_meta[curr].delimiters);
- }
- }
-}
-var r_strikethrough = {
- tokenize: strikethrough_tokenize,
- postProcess: strikethrough_postProcess
-};
-
-// Process *this* and _that_
-//
-
-// Insert each marker as a separate text token, and add it to delimiter list
-//
-function emphasis_tokenize(state, silent) {
- const start = state.pos;
- const marker = state.src.charCodeAt(start);
- if (silent) {
- return false;
- }
- if (marker !== 0x5F /* _ */ && marker !== 0x2A /* * */) {
- return false;
- }
- const scanned = state.scanDelims(state.pos, marker === 0x2A);
- for (let i = 0; i < scanned.length; i++) {
- const token = state.push('text', '', 0);
- token.content = String.fromCharCode(marker);
- state.delimiters.push({
- // Char code of the starting marker (number).
- //
- marker,
- // Total length of these series of delimiters.
- //
- length: scanned.length,
- // A position of the token this delimiter corresponds to.
- //
- token: state.tokens.length - 1,
- // If this delimiter is matched as a valid opener, `end` will be
- // equal to its position, otherwise it's `-1`.
- //
- end: -1,
- // Boolean flags that determine if this delimiter could open or close
- // an emphasis.
- //
- open: scanned.can_open,
- close: scanned.can_close
- });
- }
- state.pos += scanned.length;
- return true;
-}
-function postProcess(state, delimiters) {
- const max = delimiters.length;
- for (let i = max - 1; i >= 0; i--) {
- const startDelim = delimiters[i];
- if (startDelim.marker !== 0x5F /* _ */ && startDelim.marker !== 0x2A /* * */) {
- continue;
- }
-
- // Process only opening markers
- if (startDelim.end === -1) {
- continue;
- }
- const endDelim = delimiters[startDelim.end];
-
- // If the previous delimiter has the same marker and is adjacent to this one,
- // merge those into one strong delimiter.
- //
- // `<em><em>whatever</em></em>` -> `<strong>whatever</strong>`
- //
- const isStrong = i > 0 && delimiters[i - 1].end === startDelim.end + 1 &&
- // check that first two markers match and adjacent
- delimiters[i - 1].marker === startDelim.marker && delimiters[i - 1].token === startDelim.token - 1 &&
- // check that last two markers are adjacent (we can safely assume they match)
- delimiters[startDelim.end + 1].token === endDelim.token + 1;
- const ch = String.fromCharCode(startDelim.marker);
- const token_o = state.tokens[startDelim.token];
- token_o.type = isStrong ? 'strong_open' : 'em_open';
- token_o.tag = isStrong ? 'strong' : 'em';
- token_o.nesting = 1;
- token_o.markup = isStrong ? ch + ch : ch;
- token_o.content = '';
- const token_c = state.tokens[endDelim.token];
- token_c.type = isStrong ? 'strong_close' : 'em_close';
- token_c.tag = isStrong ? 'strong' : 'em';
- token_c.nesting = -1;
- token_c.markup = isStrong ? ch + ch : ch;
- token_c.content = '';
- if (isStrong) {
- state.tokens[delimiters[i - 1].token].content = '';
- state.tokens[delimiters[startDelim.end + 1].token].content = '';
- i--;
- }
- }
-}
-
-// Walk through delimiter list and replace text tokens with tags
-//
-function emphasis_post_process(state) {
- const tokens_meta = state.tokens_meta;
- const max = state.tokens_meta.length;
- postProcess(state, state.delimiters);
- for (let curr = 0; curr < max; curr++) {
- if (tokens_meta[curr] && tokens_meta[curr].delimiters) {
- postProcess(state, tokens_meta[curr].delimiters);
- }
- }
-}
-var r_emphasis = {
- tokenize: emphasis_tokenize,
- postProcess: emphasis_post_process
-};
-
-// Process [link](<to> "stuff")
-
-function link(state, silent) {
- let code, label, res, ref;
- let href = '';
- let title = '';
- let start = state.pos;
- let parseReference = true;
- if (state.src.charCodeAt(state.pos) !== 0x5B /* [ */) {
- return false;
- }
- const oldPos = state.pos;
- const max = state.posMax;
- const labelStart = state.pos + 1;
- const labelEnd = state.md.helpers.parseLinkLabel(state, state.pos, true);
-
- // parser failed to find ']', so it's not a valid link
- if (labelEnd < 0) {
- return false;
- }
- let pos = labelEnd + 1;
- if (pos < max && state.src.charCodeAt(pos) === 0x28 /* ( */) {
- //
- // Inline link
- //
-
- // might have found a valid shortcut link, disable reference parsing
- parseReference = false;
-
- // [link]( <href> "title" )
- // ^^ skipping these spaces
- pos++;
- for (; pos < max; pos++) {
- code = state.src.charCodeAt(pos);
- if (!isSpace(code) && code !== 0x0A) {
- break;
- }
- }
- if (pos >= max) {
- return false;
- }
-
- // [link]( <href> "title" )
- // ^^^^^^ parsing link destination
- start = pos;
- res = state.md.helpers.parseLinkDestination(state.src, pos, state.posMax);
- if (res.ok) {
- href = state.md.normalizeLink(res.str);
- if (state.md.validateLink(href)) {
- pos = res.pos;
- } else {
- href = '';
- }
-
- // [link]( <href> "title" )
- // ^^ skipping these spaces
- start = pos;
- for (; pos < max; pos++) {
- code = state.src.charCodeAt(pos);
- if (!isSpace(code) && code !== 0x0A) {
- break;
- }
- }
-
- // [link]( <href> "title" )
- // ^^^^^^^ parsing link title
- res = state.md.helpers.parseLinkTitle(state.src, pos, state.posMax);
- if (pos < max && start !== pos && res.ok) {
- title = res.str;
- pos = res.pos;
-
- // [link]( <href> "title" )
- // ^^ skipping these spaces
- for (; pos < max; pos++) {
- code = state.src.charCodeAt(pos);
- if (!isSpace(code) && code !== 0x0A) {
- break;
- }
- }
- }
- }
- if (pos >= max || state.src.charCodeAt(pos) !== 0x29 /* ) */) {
- // parsing a valid shortcut link failed, fallback to reference
- parseReference = true;
- }
- pos++;
- }
- if (parseReference) {
- //
- // Link reference
- //
- if (typeof state.env.references === 'undefined') {
- return false;
- }
- if (pos < max && state.src.charCodeAt(pos) === 0x5B /* [ */) {
- start = pos + 1;
- pos = state.md.helpers.parseLinkLabel(state, pos);
- if (pos >= 0) {
- label = state.src.slice(start, pos++);
- } else {
- pos = labelEnd + 1;
- }
- } else {
- pos = labelEnd + 1;
- }
-
- // covers label === '' and label === undefined
- // (collapsed reference link and shortcut reference link respectively)
- if (!label) {
- label = state.src.slice(labelStart, labelEnd);
- }
- ref = state.env.references[normalizeReference(label)];
- if (!ref) {
- state.pos = oldPos;
- return false;
- }
- href = ref.href;
- title = ref.title;
- }
-
- //
- // We found the end of the link, and know for a fact it's a valid link;
- // so all that's left to do is to call tokenizer.
- //
- if (!silent) {
- state.pos = labelStart;
- state.posMax = labelEnd;
- const token_o = state.push('link_open', 'a', 1);
- const attrs = [['href', href]];
- token_o.attrs = attrs;
- if (title) {
- attrs.push(['title', title]);
- }
- state.linkLevel++;
- state.md.inline.tokenize(state);
- state.linkLevel--;
- state.push('link_close', 'a', -1);
- }
- state.pos = pos;
- state.posMax = max;
- return true;
-}
-
-// Process ![image](<src> "title")
-
-function image(state, silent) {
- let code, content, label, pos, ref, res, title, start;
- let href = '';
- const oldPos = state.pos;
- const max = state.posMax;
- if (state.src.charCodeAt(state.pos) !== 0x21 /* ! */) {
- return false;
- }
- if (state.src.charCodeAt(state.pos + 1) !== 0x5B /* [ */) {
- return false;
- }
- const labelStart = state.pos + 2;
- const labelEnd = state.md.helpers.parseLinkLabel(state, state.pos + 1, false);
-
- // parser failed to find ']', so it's not a valid link
- if (labelEnd < 0) {
- return false;
- }
- pos = labelEnd + 1;
- if (pos < max && state.src.charCodeAt(pos) === 0x28 /* ( */) {
- //
- // Inline link
- //
-
- // [link]( <href> "title" )
- // ^^ skipping these spaces
- pos++;
- for (; pos < max; pos++) {
- code = state.src.charCodeAt(pos);
- if (!isSpace(code) && code !== 0x0A) {
- break;
- }
- }
- if (pos >= max) {
- return false;
- }
-
- // [link]( <href> "title" )
- // ^^^^^^ parsing link destination
- start = pos;
- res = state.md.helpers.parseLinkDestination(state.src, pos, state.posMax);
- if (res.ok) {
- href = state.md.normalizeLink(res.str);
- if (state.md.validateLink(href)) {
- pos = res.pos;
- } else {
- href = '';
- }
- }
-
- // [link]( <href> "title" )
- // ^^ skipping these spaces
- start = pos;
- for (; pos < max; pos++) {
- code = state.src.charCodeAt(pos);
- if (!isSpace(code) && code !== 0x0A) {
- break;
- }
- }
-
- // [link]( <href> "title" )
- // ^^^^^^^ parsing link title
- res = state.md.helpers.parseLinkTitle(state.src, pos, state.posMax);
- if (pos < max && start !== pos && res.ok) {
- title = res.str;
- pos = res.pos;
-
- // [link]( <href> "title" )
- // ^^ skipping these spaces
- for (; pos < max; pos++) {
- code = state.src.charCodeAt(pos);
- if (!isSpace(code) && code !== 0x0A) {
- break;
- }
- }
- } else {
- title = '';
- }
- if (pos >= max || state.src.charCodeAt(pos) !== 0x29 /* ) */) {
- state.pos = oldPos;
- return false;
- }
- pos++;
- } else {
- //
- // Link reference
- //
- if (typeof state.env.references === 'undefined') {
- return false;
- }
- if (pos < max && state.src.charCodeAt(pos) === 0x5B /* [ */) {
- start = pos + 1;
- pos = state.md.helpers.parseLinkLabel(state, pos);
- if (pos >= 0) {
- label = state.src.slice(start, pos++);
- } else {
- pos = labelEnd + 1;
- }
- } else {
- pos = labelEnd + 1;
- }
-
- // covers label === '' and label === undefined
- // (collapsed reference link and shortcut reference link respectively)
- if (!label) {
- label = state.src.slice(labelStart, labelEnd);
- }
- ref = state.env.references[normalizeReference(label)];
- if (!ref) {
- state.pos = oldPos;
- return false;
- }
- href = ref.href;
- title = ref.title;
- }
-
- //
- // We found the end of the link, and know for a fact it's a valid link;
- // so all that's left to do is to call tokenizer.
- //
- if (!silent) {
- content = state.src.slice(labelStart, labelEnd);
- const tokens = [];
- state.md.inline.parse(content, state.md, state.env, tokens);
- const token = state.push('image', 'img', 0);
- const attrs = [['src', href], ['alt', '']];
- token.attrs = attrs;
- token.children = tokens;
- token.content = content;
- if (title) {
- attrs.push(['title', title]);
- }
- }
- state.pos = pos;
- state.posMax = max;
- return true;
-}
-
-// Process autolinks '<protocol:...>'
-
-/* eslint max-len:0 */
-const EMAIL_RE = /^([a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*)$/;
-/* eslint-disable-next-line no-control-regex */
-const AUTOLINK_RE = /^([a-zA-Z][a-zA-Z0-9+.-]{1,31}):([^<>\x00-\x20]*)$/;
-function autolink(state, silent) {
- let pos = state.pos;
- if (state.src.charCodeAt(pos) !== 0x3C /* < */) {
- return false;
- }
- const start = state.pos;
- const max = state.posMax;
- for (;;) {
- if (++pos >= max) return false;
- const ch = state.src.charCodeAt(pos);
- if (ch === 0x3C /* < */) return false;
- if (ch === 0x3E /* > */) break;
- }
- const url = state.src.slice(start + 1, pos);
- if (AUTOLINK_RE.test(url)) {
- const fullUrl = state.md.normalizeLink(url);
- if (!state.md.validateLink(fullUrl)) {
- return false;
- }
- if (!silent) {
- const token_o = state.push('link_open', 'a', 1);
- token_o.attrs = [['href', fullUrl]];
- token_o.markup = 'autolink';
- token_o.info = 'auto';
- const token_t = state.push('text', '', 0);
- token_t.content = state.md.normalizeLinkText(url);
- const token_c = state.push('link_close', 'a', -1);
- token_c.markup = 'autolink';
- token_c.info = 'auto';
- }
- state.pos += url.length + 2;
- return true;
- }
- if (EMAIL_RE.test(url)) {
- const fullUrl = state.md.normalizeLink('mailto:' + url);
- if (!state.md.validateLink(fullUrl)) {
- return false;
- }
- if (!silent) {
- const token_o = state.push('link_open', 'a', 1);
- token_o.attrs = [['href', fullUrl]];
- token_o.markup = 'autolink';
- token_o.info = 'auto';
- const token_t = state.push('text', '', 0);
- token_t.content = state.md.normalizeLinkText(url);
- const token_c = state.push('link_close', 'a', -1);
- token_c.markup = 'autolink';
- token_c.info = 'auto';
- }
- state.pos += url.length + 2;
- return true;
- }
- return false;
-}
-
-// Process html tags
-
-function isLinkOpen(str) {
- return /^<a[>\s]/i.test(str);
-}
-function isLinkClose(str) {
- return /^<\/a\s*>/i.test(str);
-}
-function isLetter(ch) {
- /* eslint no-bitwise:0 */
- const lc = ch | 0x20; // to lower case
- return lc >= 0x61 /* a */ && lc <= 0x7a /* z */;
-}
-function html_inline(state, silent) {
- if (!state.md.options.html) {
- return false;
- }
-
- // Check start
- const max = state.posMax;
- const pos = state.pos;
- if (state.src.charCodeAt(pos) !== 0x3C /* < */ || pos + 2 >= max) {
- return false;
- }
-
- // Quick fail on second char
- const ch = state.src.charCodeAt(pos + 1);
- if (ch !== 0x21 /* ! */ && ch !== 0x3F /* ? */ && ch !== 0x2F /* / */ && !isLetter(ch)) {
- return false;
- }
- const match = state.src.slice(pos).match(HTML_TAG_RE);
- if (!match) {
- return false;
- }
- if (!silent) {
- const token = state.push('html_inline', '', 0);
- token.content = match[0];
- if (isLinkOpen(token.content)) state.linkLevel++;
- if (isLinkClose(token.content)) state.linkLevel--;
- }
- state.pos += match[0].length;
- return true;
-}
-
-// Process html entity - &#123;, &#xAF;, &quot;, ...
-
-const DIGITAL_RE = /^&#((?:x[a-f0-9]{1,6}|[0-9]{1,7}));/i;
-const NAMED_RE = /^&([a-z][a-z0-9]{1,31});/i;
-function entity(state, silent) {
- const pos = state.pos;
- const max = state.posMax;
- if (state.src.charCodeAt(pos) !== 0x26 /* & */) return false;
- if (pos + 1 >= max) return false;
- const ch = state.src.charCodeAt(pos + 1);
- if (ch === 0x23 /* # */) {
- const match = state.src.slice(pos).match(DIGITAL_RE);
- if (match) {
- if (!silent) {
- const code = match[1][0].toLowerCase() === 'x' ? parseInt(match[1].slice(1), 16) : parseInt(match[1], 10);
- const token = state.push('text_special', '', 0);
- token.content = isValidEntityCode(code) ? fromCodePoint(code) : fromCodePoint(0xFFFD);
- token.markup = match[0];
- token.info = 'entity';
- }
- state.pos += match[0].length;
- return true;
- }
- } else {
- const match = state.src.slice(pos).match(NAMED_RE);
- if (match) {
- const decoded = entities.decodeHTML(match[0]);
- if (decoded !== match[0]) {
- if (!silent) {
- const token = state.push('text_special', '', 0);
- token.content = decoded;
- token.markup = match[0];
- token.info = 'entity';
- }
- state.pos += match[0].length;
- return true;
- }
- }
- }
- return false;
-}
-
-// For each opening emphasis-like marker find a matching closing one
-//
-
-function processDelimiters(delimiters) {
- const openersBottom = {};
- const max = delimiters.length;
- if (!max) return;
-
- // headerIdx is the first delimiter of the current (where closer is) delimiter run
- let headerIdx = 0;
- let lastTokenIdx = -2; // needs any value lower than -1
- const jumps = [];
- for (let closerIdx = 0; closerIdx < max; closerIdx++) {
- const closer = delimiters[closerIdx];
- jumps.push(0);
-
- // markers belong to same delimiter run if:
- // - they have adjacent tokens
- // - AND markers are the same
- //
- if (delimiters[headerIdx].marker !== closer.marker || lastTokenIdx !== closer.token - 1) {
- headerIdx = closerIdx;
- }
- lastTokenIdx = closer.token;
-
- // Length is only used for emphasis-specific "rule of 3",
- // if it's not defined (in strikethrough or 3rd party plugins),
- // we can default it to 0 to disable those checks.
- //
- closer.length = closer.length || 0;
- if (!closer.close) continue;
-
- // Previously calculated lower bounds (previous fails)
- // for each marker, each delimiter length modulo 3,
- // and for whether this closer can be an opener;
- // https://github.com/commonmark/cmark/commit/34250e12ccebdc6372b8b49c44fab57c72443460
- /* eslint-disable-next-line no-prototype-builtins */
- if (!openersBottom.hasOwnProperty(closer.marker)) {
- openersBottom[closer.marker] = [-1, -1, -1, -1, -1, -1];
- }
- const minOpenerIdx = openersBottom[closer.marker][(closer.open ? 3 : 0) + closer.length % 3];
- let openerIdx = headerIdx - jumps[headerIdx] - 1;
- let newMinOpenerIdx = openerIdx;
- for (; openerIdx > minOpenerIdx; openerIdx -= jumps[openerIdx] + 1) {
- const opener = delimiters[openerIdx];
- if (opener.marker !== closer.marker) continue;
- if (opener.open && opener.end < 0) {
- let isOddMatch = false;
-
- // from spec:
- //
- // If one of the delimiters can both open and close emphasis, then the
- // sum of the lengths of the delimiter runs containing the opening and
- // closing delimiters must not be a multiple of 3 unless both lengths
- // are multiples of 3.
- //
- if (opener.close || closer.open) {
- if ((opener.length + closer.length) % 3 === 0) {
- if (opener.length % 3 !== 0 || closer.length % 3 !== 0) {
- isOddMatch = true;
- }
- }
- }
- if (!isOddMatch) {
- // If previous delimiter cannot be an opener, we can safely skip
- // the entire sequence in future checks. This is required to make
- // sure algorithm has linear complexity (see *_*_*_*_*_... case).
- //
- const lastJump = openerIdx > 0 && !delimiters[openerIdx - 1].open ? jumps[openerIdx - 1] + 1 : 0;
- jumps[closerIdx] = closerIdx - openerIdx + lastJump;
- jumps[openerIdx] = lastJump;
- closer.open = false;
- opener.end = closerIdx;
- opener.close = false;
- newMinOpenerIdx = -1;
- // treat next token as start of run,
- // it optimizes skips in **<...>**a**<...>** pathological case
- lastTokenIdx = -2;
- break;
- }
- }
- }
- if (newMinOpenerIdx !== -1) {
- // If match for this delimiter run failed, we want to set lower bound for
- // future lookups. This is required to make sure algorithm has linear
- // complexity.
- //
- // See details here:
- // https://github.com/commonmark/cmark/issues/178#issuecomment-270417442
- //
- openersBottom[closer.marker][(closer.open ? 3 : 0) + (closer.length || 0) % 3] = newMinOpenerIdx;
- }
- }
-}
-function link_pairs(state) {
- const tokens_meta = state.tokens_meta;
- const max = state.tokens_meta.length;
- processDelimiters(state.delimiters);
- for (let curr = 0; curr < max; curr++) {
- if (tokens_meta[curr] && tokens_meta[curr].delimiters) {
- processDelimiters(tokens_meta[curr].delimiters);
- }
- }
-}
-
-// Clean up tokens after emphasis and strikethrough postprocessing:
-// merge adjacent text nodes into one and re-calculate all token levels
-//
-// This is necessary because initially emphasis delimiter markers (*, _, ~)
-// are treated as their own separate text tokens. Then emphasis rule either
-// leaves them as text (needed to merge with adjacent text) or turns them
-// into opening/closing tags (which messes up levels inside).
-//
-
-function fragments_join(state) {
- let curr, last;
- let level = 0;
- const tokens = state.tokens;
- const max = state.tokens.length;
- for (curr = last = 0; curr < max; curr++) {
- // re-calculate levels after emphasis/strikethrough turns some text nodes
- // into opening/closing tags
- if (tokens[curr].nesting < 0) level--; // closing tag
- tokens[curr].level = level;
- if (tokens[curr].nesting > 0) level++; // opening tag
-
- if (tokens[curr].type === 'text' && curr + 1 < max && tokens[curr + 1].type === 'text') {
- // collapse two adjacent text nodes
- tokens[curr + 1].content = tokens[curr].content + tokens[curr + 1].content;
- } else {
- if (curr !== last) {
- tokens[last] = tokens[curr];
- }
- last++;
- }
- }
- if (curr !== last) {
- tokens.length = last;
- }
-}
-
-/** internal
- * class ParserInline
- *
- * Tokenizes paragraph content.
- **/
-
-
-// Parser rules
-
-const _rules = [['text', text], ['linkify', linkify], ['newline', newline], ['escape', escape], ['backticks', backtick], ['strikethrough', r_strikethrough.tokenize], ['emphasis', r_emphasis.tokenize], ['link', link], ['image', image], ['autolink', autolink], ['html_inline', html_inline], ['entity', entity]];
-
-// `rule2` ruleset was created specifically for emphasis/strikethrough
-// post-processing and may be changed in the future.
-//
-// Don't use this for anything except pairs (plugins working with `balance_pairs`).
-//
-const _rules2 = [['balance_pairs', link_pairs], ['strikethrough', r_strikethrough.postProcess], ['emphasis', r_emphasis.postProcess],
-// rules for pairs separate '**' into its own text tokens, which may be left unused,
-// rule below merges unused segments back with the rest of the text
-['fragments_join', fragments_join]];
-
-/**
- * new ParserInline()
- **/
-function ParserInline() {
- /**
- * ParserInline#ruler -> Ruler
- *
- * [[Ruler]] instance. Keep configuration of inline rules.
- **/
- this.ruler = new Ruler();
- for (let i = 0; i < _rules.length; i++) {
- this.ruler.push(_rules[i][0], _rules[i][1]);
- }
-
- /**
- * ParserInline#ruler2 -> Ruler
- *
- * [[Ruler]] instance. Second ruler used for post-processing
- * (e.g. in emphasis-like rules).
- **/
- this.ruler2 = new Ruler();
- for (let i = 0; i < _rules2.length; i++) {
- this.ruler2.push(_rules2[i][0], _rules2[i][1]);
- }
-}
-
-// Skip single token by running all rules in validation mode;
-// returns `true` if any rule reported success
-//
-ParserInline.prototype.skipToken = function (state) {
- const pos = state.pos;
- const rules = this.ruler.getRules('');
- const len = rules.length;
- const maxNesting = state.md.options.maxNesting;
- const cache = state.cache;
- if (typeof cache[pos] !== 'undefined') {
- state.pos = cache[pos];
- return;
- }
- let ok = false;
- if (state.level < maxNesting) {
- for (let i = 0; i < len; i++) {
- // Increment state.level and decrement it later to limit recursion.
- // It's harmless to do here, because no tokens are created. But ideally,
- // we'd need a separate private state variable for this purpose.
- //
- state.level++;
- ok = rules[i](state, true);
- state.level--;
- if (ok) {
- if (pos >= state.pos) {
- throw new Error("inline rule didn't increment state.pos");
- }
- break;
- }
- }
- } else {
- // Too much nesting, just skip until the end of the paragraph.
- //
- // NOTE: this will cause links to behave incorrectly in the following case,
- // when an amount of `[` is exactly equal to `maxNesting + 1`:
- //
- // [[[[[[[[[[[[[[[[[[[[[foo]()
- //
- // TODO: remove this workaround when CM standard will allow nested links
- // (we can replace it by preventing links from being parsed in
- // validation mode)
- //
- state.pos = state.posMax;
- }
- if (!ok) {
- state.pos++;
- }
- cache[pos] = state.pos;
-};
-
-// Generate tokens for input range
-//
-ParserInline.prototype.tokenize = function (state) {
- const rules = this.ruler.getRules('');
- const len = rules.length;
- const end = state.posMax;
- const maxNesting = state.md.options.maxNesting;
- while (state.pos < end) {
- // Try all possible rules.
- // On success, rule should:
- //
- // - update `state.pos`
- // - update `state.tokens`
- // - return true
- const prevPos = state.pos;
- let ok = false;
- if (state.level < maxNesting) {
- for (let i = 0; i < len; i++) {
- ok = rules[i](state, false);
- if (ok) {
- if (prevPos >= state.pos) {
- throw new Error("inline rule didn't increment state.pos");
- }
- break;
- }
- }
- }
- if (ok) {
- if (state.pos >= end) {
- break;
- }
- continue;
- }
- state.pending += state.src[state.pos++];
- }
- if (state.pending) {
- state.pushPending();
- }
-};
-
-/**
- * ParserInline.parse(str, md, env, outTokens)
- *
- * Process input string and push inline tokens into `outTokens`
- **/
-ParserInline.prototype.parse = function (str, md, env, outTokens) {
- const state = new this.State(str, md, env, outTokens);
- this.tokenize(state);
- const rules = this.ruler2.getRules('');
- const len = rules.length;
- for (let i = 0; i < len; i++) {
- rules[i](state);
- }
-};
-ParserInline.prototype.State = StateInline;
-
-// markdown-it default options
-
-var cfg_default = {
- options: {
- // Enable HTML tags in source
- html: false,
- // Use '/' to close single tags (<br />)
- xhtmlOut: false,
- // Convert '\n' in paragraphs into <br>
- breaks: false,
- // CSS language prefix for fenced blocks
- langPrefix: 'language-',
- // autoconvert URL-like texts to links
- linkify: false,
- // Enable some language-neutral replacements + quotes beautification
- typographer: false,
- // Double + single quotes replacement pairs, when typographer enabled,
- // and smartquotes on. Could be either a String or an Array.
- //
- // For example, you can use '«»„“' for Russian, '„“‚‘' for German,
- // and ['«\xA0', '\xA0»', '‹\xA0', '\xA0›'] for French (including nbsp).
- quotes: '\u201c\u201d\u2018\u2019',
- /* “”‘’ */
-
- // Highlighter function. Should return escaped HTML,
- // or '' if the source string is not changed and should be escaped externaly.
- // If result starts with <pre... internal wrapper is skipped.
- //
- // function (/*str, lang*/) { return ''; }
- //
- highlight: null,
- // Internal protection, recursion limit
- maxNesting: 100
- },
- components: {
- core: {},
- block: {},
- inline: {}
- }
-};
-
-// "Zero" preset, with nothing enabled. Useful for manual configuring of simple
-// modes. For example, to parse bold/italic only.
-
-var cfg_zero = {
- options: {
- // Enable HTML tags in source
- html: false,
- // Use '/' to close single tags (<br />)
- xhtmlOut: false,
- // Convert '\n' in paragraphs into <br>
- breaks: false,
- // CSS language prefix for fenced blocks
- langPrefix: 'language-',
- // autoconvert URL-like texts to links
- linkify: false,
- // Enable some language-neutral replacements + quotes beautification
- typographer: false,
- // Double + single quotes replacement pairs, when typographer enabled,
- // and smartquotes on. Could be either a String or an Array.
- //
- // For example, you can use '«»„“' for Russian, '„“‚‘' for German,
- // and ['«\xA0', '\xA0»', '‹\xA0', '\xA0›'] for French (including nbsp).
- quotes: '\u201c\u201d\u2018\u2019',
- /* “”‘’ */
-
- // Highlighter function. Should return escaped HTML,
- // or '' if the source string is not changed and should be escaped externaly.
- // If result starts with <pre... internal wrapper is skipped.
- //
- // function (/*str, lang*/) { return ''; }
- //
- highlight: null,
- // Internal protection, recursion limit
- maxNesting: 20
- },
- components: {
- core: {
- rules: ['normalize', 'block', 'inline', 'text_join']
- },
- block: {
- rules: ['paragraph']
- },
- inline: {
- rules: ['text'],
- rules2: ['balance_pairs', 'fragments_join']
- }
- }
-};
-
-// Commonmark default options
-
-var cfg_commonmark = {
- options: {
- // Enable HTML tags in source
- html: true,
- // Use '/' to close single tags (<br />)
- xhtmlOut: true,
- // Convert '\n' in paragraphs into <br>
- breaks: false,
- // CSS language prefix for fenced blocks
- langPrefix: 'language-',
- // autoconvert URL-like texts to links
- linkify: false,
- // Enable some language-neutral replacements + quotes beautification
- typographer: false,
- // Double + single quotes replacement pairs, when typographer enabled,
- // and smartquotes on. Could be either a String or an Array.
- //
- // For example, you can use '«»„“' for Russian, '„“‚‘' for German,
- // and ['«\xA0', '\xA0»', '‹\xA0', '\xA0›'] for French (including nbsp).
- quotes: '\u201c\u201d\u2018\u2019',
- /* “”‘’ */
-
- // Highlighter function. Should return escaped HTML,
- // or '' if the source string is not changed and should be escaped externaly.
- // If result starts with <pre... internal wrapper is skipped.
- //
- // function (/*str, lang*/) { return ''; }
- //
- highlight: null,
- // Internal protection, recursion limit
- maxNesting: 20
- },
- components: {
- core: {
- rules: ['normalize', 'block', 'inline', 'text_join']
- },
- block: {
- rules: ['blockquote', 'code', 'fence', 'heading', 'hr', 'html_block', 'lheading', 'list', 'reference', 'paragraph']
- },
- inline: {
- rules: ['autolink', 'backticks', 'emphasis', 'entity', 'escape', 'html_inline', 'image', 'link', 'newline', 'text'],
- rules2: ['balance_pairs', 'emphasis', 'fragments_join']
- }
- }
-};
-
-// Main parser class
-
-const config = {
- default: cfg_default,
- zero: cfg_zero,
- commonmark: cfg_commonmark
-};
-
-//
-// This validator can prohibit more than really needed to prevent XSS. It's a
-// tradeoff to keep code simple and to be secure by default.
-//
-// If you need different setup - override validator method as you wish. Or
-// replace it with dummy function and use external sanitizer.
-//
-
-const BAD_PROTO_RE = /^(vbscript|javascript|file|data):/;
-const GOOD_DATA_RE = /^data:image\/(gif|png|jpeg|webp);/;
-function validateLink(url) {
- // url should be normalized at this point, and existing entities are decoded
- const str = url.trim().toLowerCase();
- return BAD_PROTO_RE.test(str) ? GOOD_DATA_RE.test(str) : true;
-}
-const RECODE_HOSTNAME_FOR = ['http:', 'https:', 'mailto:'];
-function normalizeLink(url) {
- const parsed = mdurl__namespace.parse(url, true);
- if (parsed.hostname) {
- // Encode hostnames in urls like:
- // `http://host/`, `https://host/`, `mailto:user@host`, `//host/`
- //
- // We don't encode unknown schemas, because it's likely that we encode
- // something we shouldn't (e.g. `skype:name` treated as `skype:host`)
- //
- if (!parsed.protocol || RECODE_HOSTNAME_FOR.indexOf(parsed.protocol) >= 0) {
- try {
- parsed.hostname = punycode.toASCII(parsed.hostname);
- } catch (er) {/**/}
- }
- }
- return mdurl__namespace.encode(mdurl__namespace.format(parsed));
-}
-function normalizeLinkText(url) {
- const parsed = mdurl__namespace.parse(url, true);
- if (parsed.hostname) {
- // Encode hostnames in urls like:
- // `http://host/`, `https://host/`, `mailto:user@host`, `//host/`
- //
- // We don't encode unknown schemas, because it's likely that we encode
- // something we shouldn't (e.g. `skype:name` treated as `skype:host`)
- //
- if (!parsed.protocol || RECODE_HOSTNAME_FOR.indexOf(parsed.protocol) >= 0) {
- try {
- parsed.hostname = punycode.toUnicode(parsed.hostname);
- } catch (er) {/**/}
- }
- }
-
- // add '%' to exclude list because of https://github.com/markdown-it/markdown-it/issues/720
- return mdurl__namespace.decode(mdurl__namespace.format(parsed), mdurl__namespace.decode.defaultChars + '%');
-}
-
-/**
- * class MarkdownIt
- *
- * Main parser/renderer class.
- *
- * ##### Usage
- *
- * ```javascript
- * // node.js, "classic" way:
- * var MarkdownIt = require('markdown-it'),
- * md = new MarkdownIt();
- * var result = md.render('# markdown-it rulezz!');
- *
- * // node.js, the same, but with sugar:
- * var md = require('markdown-it')();
- * var result = md.render('# markdown-it rulezz!');
- *
- * // browser without AMD, added to "window" on script load
- * // Note, there are no dash.
- * var md = window.markdownit();
- * var result = md.render('# markdown-it rulezz!');
- * ```
- *
- * Single line rendering, without paragraph wrap:
- *
- * ```javascript
- * var md = require('markdown-it')();
- * var result = md.renderInline('__markdown-it__ rulezz!');
- * ```
- **/
-
-/**
- * new MarkdownIt([presetName, options])
- * - presetName (String): optional, `commonmark` / `zero`
- * - options (Object)
- *
- * Creates parser instanse with given config. Can be called without `new`.
- *
- * ##### presetName
- *
- * MarkdownIt provides named presets as a convenience to quickly
- * enable/disable active syntax rules and options for common use cases.
- *
- * - ["commonmark"](https://github.com/markdown-it/markdown-it/blob/master/lib/presets/commonmark.mjs) -
- * configures parser to strict [CommonMark](http://commonmark.org/) mode.
- * - [default](https://github.com/markdown-it/markdown-it/blob/master/lib/presets/default.mjs) -
- * similar to GFM, used when no preset name given. Enables all available rules,
- * but still without html, typographer & autolinker.
- * - ["zero"](https://github.com/markdown-it/markdown-it/blob/master/lib/presets/zero.mjs) -
- * all rules disabled. Useful to quickly setup your config via `.enable()`.
- * For example, when you need only `bold` and `italic` markup and nothing else.
- *
- * ##### options:
- *
- * - __html__ - `false`. Set `true` to enable HTML tags in source. Be careful!
- * That's not safe! You may need external sanitizer to protect output from XSS.
- * It's better to extend features via plugins, instead of enabling HTML.
- * - __xhtmlOut__ - `false`. Set `true` to add '/' when closing single tags
- * (`<br />`). This is needed only for full CommonMark compatibility. In real
- * world you will need HTML output.
- * - __breaks__ - `false`. Set `true` to convert `\n` in paragraphs into `<br>`.
- * - __langPrefix__ - `language-`. CSS language class prefix for fenced blocks.
- * Can be useful for external highlighters.
- * - __linkify__ - `false`. Set `true` to autoconvert URL-like text to links.
- * - __typographer__ - `false`. Set `true` to enable [some language-neutral
- * replacement](https://github.com/markdown-it/markdown-it/blob/master/lib/rules_core/replacements.mjs) +
- * quotes beautification (smartquotes).
- * - __quotes__ - `“”‘’`, String or Array. Double + single quotes replacement
- * pairs, when typographer enabled and smartquotes on. For example, you can
- * use `'«»„“'` for Russian, `'„“‚‘'` for German, and
- * `['«\xA0', '\xA0»', '‹\xA0', '\xA0›']` for French (including nbsp).
- * - __highlight__ - `null`. Highlighter function for fenced code blocks.
- * Highlighter `function (str, lang)` should return escaped HTML. It can also
- * return empty string if the source was not changed and should be escaped
- * externaly. If result starts with <pre... internal wrapper is skipped.
- *
- * ##### Example
- *
- * ```javascript
- * // commonmark mode
- * var md = require('markdown-it')('commonmark');
- *
- * // default mode
- * var md = require('markdown-it')();
- *
- * // enable everything
- * var md = require('markdown-it')({
- * html: true,
- * linkify: true,
- * typographer: true
- * });
- * ```
- *
- * ##### Syntax highlighting
- *
- * ```js
- * var hljs = require('highlight.js') // https://highlightjs.org/
- *
- * var md = require('markdown-it')({
- * highlight: function (str, lang) {
- * if (lang && hljs.getLanguage(lang)) {
- * try {
- * return hljs.highlight(str, { language: lang, ignoreIllegals: true }).value;
- * } catch (__) {}
- * }
- *
- * return ''; // use external default escaping
- * }
- * });
- * ```
- *
- * Or with full wrapper override (if you need assign class to `<pre>` or `<code>`):
- *
- * ```javascript
- * var hljs = require('highlight.js') // https://highlightjs.org/
- *
- * // Actual default values
- * var md = require('markdown-it')({
- * highlight: function (str, lang) {
- * if (lang && hljs.getLanguage(lang)) {
- * try {
- * return '<pre><code class="hljs">' +
- * hljs.highlight(str, { language: lang, ignoreIllegals: true }).value +
- * '</code></pre>';
- * } catch (__) {}
- * }
- *
- * return '<pre><code class="hljs">' + md.utils.escapeHtml(str) + '</code></pre>';
- * }
- * });
- * ```
- *
- **/
-function MarkdownIt(presetName, options) {
- if (!(this instanceof MarkdownIt)) {
- return new MarkdownIt(presetName, options);
- }
- if (!options) {
- if (!isString(presetName)) {
- options = presetName || {};
- presetName = 'default';
- }
- }
-
- /**
- * MarkdownIt#inline -> ParserInline
- *
- * Instance of [[ParserInline]]. You may need it to add new rules when
- * writing plugins. For simple rules control use [[MarkdownIt.disable]] and
- * [[MarkdownIt.enable]].
- **/
- this.inline = new ParserInline();
-
- /**
- * MarkdownIt#block -> ParserBlock
- *
- * Instance of [[ParserBlock]]. You may need it to add new rules when
- * writing plugins. For simple rules control use [[MarkdownIt.disable]] and
- * [[MarkdownIt.enable]].
- **/
- this.block = new ParserBlock();
-
- /**
- * MarkdownIt#core -> Core
- *
- * Instance of [[Core]] chain executor. You may need it to add new rules when
- * writing plugins. For simple rules control use [[MarkdownIt.disable]] and
- * [[MarkdownIt.enable]].
- **/
- this.core = new Core();
-
- /**
- * MarkdownIt#renderer -> Renderer
- *
- * Instance of [[Renderer]]. Use it to modify output look. Or to add rendering
- * rules for new token types, generated by plugins.
- *
- * ##### Example
- *
- * ```javascript
- * var md = require('markdown-it')();
- *
- * function myToken(tokens, idx, options, env, self) {
- * //...
- * return result;
- * };
- *
- * md.renderer.rules['my_token'] = myToken
- * ```
- *
- * See [[Renderer]] docs and [source code](https://github.com/markdown-it/markdown-it/blob/master/lib/renderer.mjs).
- **/
- this.renderer = new Renderer();
-
- /**
- * MarkdownIt#linkify -> LinkifyIt
- *
- * [linkify-it](https://github.com/markdown-it/linkify-it) instance.
- * Used by [linkify](https://github.com/markdown-it/markdown-it/blob/master/lib/rules_core/linkify.mjs)
- * rule.
- **/
- this.linkify = new LinkifyIt();
-
- /**
- * MarkdownIt#validateLink(url) -> Boolean
- *
- * Link validation function. CommonMark allows too much in links. By default
- * we disable `javascript:`, `vbscript:`, `file:` schemas, and almost all `data:...` schemas
- * except some embedded image types.
- *
- * You can change this behaviour:
- *
- * ```javascript
- * var md = require('markdown-it')();
- * // enable everything
- * md.validateLink = function () { return true; }
- * ```
- **/
- this.validateLink = validateLink;
-
- /**
- * MarkdownIt#normalizeLink(url) -> String
- *
- * Function used to encode link url to a machine-readable format,
- * which includes url-encoding, punycode, etc.
- **/
- this.normalizeLink = normalizeLink;
-
- /**
- * MarkdownIt#normalizeLinkText(url) -> String
- *
- * Function used to decode link url to a human-readable format`
- **/
- this.normalizeLinkText = normalizeLinkText;
-
- // Expose utils & helpers for easy acces from plugins
-
- /**
- * MarkdownIt#utils -> utils
- *
- * Assorted utility functions, useful to write plugins. See details
- * [here](https://github.com/markdown-it/markdown-it/blob/master/lib/common/utils.mjs).
- **/
- this.utils = utils;
-
- /**
- * MarkdownIt#helpers -> helpers
- *
- * Link components parser functions, useful to write plugins. See details
- * [here](https://github.com/markdown-it/markdown-it/blob/master/lib/helpers).
- **/
- this.helpers = assign({}, helpers);
- this.options = {};
- this.configure(presetName);
- if (options) {
- this.set(options);
- }
-}
-
-/** chainable
- * MarkdownIt.set(options)
- *
- * Set parser options (in the same format as in constructor). Probably, you
- * will never need it, but you can change options after constructor call.
- *
- * ##### Example
- *
- * ```javascript
- * var md = require('markdown-it')()
- * .set({ html: true, breaks: true })
- * .set({ typographer, true });
- * ```
- *
- * __Note:__ To achieve the best possible performance, don't modify a
- * `markdown-it` instance options on the fly. If you need multiple configurations
- * it's best to create multiple instances and initialize each with separate
- * config.
- **/
-MarkdownIt.prototype.set = function (options) {
- assign(this.options, options);
- return this;
-};
-
-/** chainable, internal
- * MarkdownIt.configure(presets)
- *
- * Batch load of all options and compenent settings. This is internal method,
- * and you probably will not need it. But if you will - see available presets
- * and data structure [here](https://github.com/markdown-it/markdown-it/tree/master/lib/presets)
- *
- * We strongly recommend to use presets instead of direct config loads. That
- * will give better compatibility with next versions.
- **/
-MarkdownIt.prototype.configure = function (presets) {
- const self = this;
- if (isString(presets)) {
- const presetName = presets;
- presets = config[presetName];
- if (!presets) {
- throw new Error('Wrong `markdown-it` preset "' + presetName + '", check name');
- }
- }
- if (!presets) {
- throw new Error('Wrong `markdown-it` preset, can\'t be empty');
- }
- if (presets.options) {
- self.set(presets.options);
- }
- if (presets.components) {
- Object.keys(presets.components).forEach(function (name) {
- if (presets.components[name].rules) {
- self[name].ruler.enableOnly(presets.components[name].rules);
- }
- if (presets.components[name].rules2) {
- self[name].ruler2.enableOnly(presets.components[name].rules2);
- }
- });
- }
- return this;
-};
-
-/** chainable
- * MarkdownIt.enable(list, ignoreInvalid)
- * - list (String|Array): rule name or list of rule names to enable
- * - ignoreInvalid (Boolean): set `true` to ignore errors when rule not found.
- *
- * Enable list or rules. It will automatically find appropriate components,
- * containing rules with given names. If rule not found, and `ignoreInvalid`
- * not set - throws exception.
- *
- * ##### Example
- *
- * ```javascript
- * var md = require('markdown-it')()
- * .enable(['sub', 'sup'])
- * .disable('smartquotes');
- * ```
- **/
-MarkdownIt.prototype.enable = function (list, ignoreInvalid) {
- let result = [];
- if (!Array.isArray(list)) {
- list = [list];
- }
- ['core', 'block', 'inline'].forEach(function (chain) {
- result = result.concat(this[chain].ruler.enable(list, true));
- }, this);
- result = result.concat(this.inline.ruler2.enable(list, true));
- const missed = list.filter(function (name) {
- return result.indexOf(name) < 0;
- });
- if (missed.length && !ignoreInvalid) {
- throw new Error('MarkdownIt. Failed to enable unknown rule(s): ' + missed);
- }
- return this;
-};
-
-/** chainable
- * MarkdownIt.disable(list, ignoreInvalid)
- * - list (String|Array): rule name or list of rule names to disable.
- * - ignoreInvalid (Boolean): set `true` to ignore errors when rule not found.
- *
- * The same as [[MarkdownIt.enable]], but turn specified rules off.
- **/
-MarkdownIt.prototype.disable = function (list, ignoreInvalid) {
- let result = [];
- if (!Array.isArray(list)) {
- list = [list];
- }
- ['core', 'block', 'inline'].forEach(function (chain) {
- result = result.concat(this[chain].ruler.disable(list, true));
- }, this);
- result = result.concat(this.inline.ruler2.disable(list, true));
- const missed = list.filter(function (name) {
- return result.indexOf(name) < 0;
- });
- if (missed.length && !ignoreInvalid) {
- throw new Error('MarkdownIt. Failed to disable unknown rule(s): ' + missed);
- }
- return this;
-};
-
-/** chainable
- * MarkdownIt.use(plugin, params)
- *
- * Load specified plugin with given params into current parser instance.
- * It's just a sugar to call `plugin(md, params)` with curring.
- *
- * ##### Example
- *
- * ```javascript
- * var iterator = require('markdown-it-for-inline');
- * var md = require('markdown-it')()
- * .use(iterator, 'foo_replace', 'text', function (tokens, idx) {
- * tokens[idx].content = tokens[idx].content.replace(/foo/g, 'bar');
- * });
- * ```
- **/
-MarkdownIt.prototype.use = function (plugin /*, params, ... */) {
- const args = [this].concat(Array.prototype.slice.call(arguments, 1));
- plugin.apply(plugin, args);
- return this;
-};
-
-/** internal
- * MarkdownIt.parse(src, env) -> Array
- * - src (String): source string
- * - env (Object): environment sandbox
- *
- * Parse input string and return list of block tokens (special token type
- * "inline" will contain list of inline tokens). You should not call this
- * method directly, until you write custom renderer (for example, to produce
- * AST).
- *
- * `env` is used to pass data between "distributed" rules and return additional
- * metadata like reference info, needed for the renderer. It also can be used to
- * inject data in specific cases. Usually, you will be ok to pass `{}`,
- * and then pass updated object to renderer.
- **/
-MarkdownIt.prototype.parse = function (src, env) {
- if (typeof src !== 'string') {
- throw new Error('Input data should be a String');
- }
- const state = new this.core.State(src, this, env);
- this.core.process(state);
- return state.tokens;
-};
-
-/**
- * MarkdownIt.render(src [, env]) -> String
- * - src (String): source string
- * - env (Object): environment sandbox
- *
- * Render markdown string into html. It does all magic for you :).
- *
- * `env` can be used to inject additional metadata (`{}` by default).
- * But you will not need it with high probability. See also comment
- * in [[MarkdownIt.parse]].
- **/
-MarkdownIt.prototype.render = function (src, env) {
- env = env || {};
- return this.renderer.render(this.parse(src, env), this.options, env);
-};
-
-/** internal
- * MarkdownIt.parseInline(src, env) -> Array
- * - src (String): source string
- * - env (Object): environment sandbox
- *
- * The same as [[MarkdownIt.parse]] but skip all block rules. It returns the
- * block tokens list with the single `inline` element, containing parsed inline
- * tokens in `children` property. Also updates `env` object.
- **/
-MarkdownIt.prototype.parseInline = function (src, env) {
- const state = new this.core.State(src, this, env);
- state.inlineMode = true;
- this.core.process(state);
- return state.tokens;
-};
-
-/**
- * MarkdownIt.renderInline(src [, env]) -> String
- * - src (String): source string
- * - env (Object): environment sandbox
- *
- * Similar to [[MarkdownIt.render]] but for single paragraph content. Result
- * will NOT be wrapped into `<p>` tags.
- **/
-MarkdownIt.prototype.renderInline = function (src, env) {
- env = env || {};
- return this.renderer.render(this.parseInline(src, env), this.options, env);
-};
-
-module.exports = MarkdownIt;
diff --git a/packages/markdown-it-14.1.0/dist/markdown-it.js b/packages/markdown-it-14.1.0/dist/markdown-it.js
deleted file mode 100644
index 3a9d89c..0000000
--- a/packages/markdown-it-14.1.0/dist/markdown-it.js
+++ /dev/null
@@ -1,6963 +0,0 @@
-/*! markdown-it 14.1.0 https://github.com/markdown-it/markdown-it @license MIT */
-(function(global, factory) {
- typeof exports === "object" && typeof module !== "undefined" ? module.exports = factory() : typeof define === "function" && define.amd ? define(factory) : (global = typeof globalThis !== "undefined" ? globalThis : global || self,
- global.markdownit = factory());
-})(this, (function() {
- "use strict";
- /* eslint-disable no-bitwise */ const decodeCache = {};
- function getDecodeCache(exclude) {
- let cache = decodeCache[exclude];
- if (cache) {
- return cache;
- }
- cache = decodeCache[exclude] = [];
- for (let i = 0; i < 128; i++) {
- const ch = String.fromCharCode(i);
- cache.push(ch);
- }
- for (let i = 0; i < exclude.length; i++) {
- const ch = exclude.charCodeAt(i);
- cache[ch] = "%" + ("0" + ch.toString(16).toUpperCase()).slice(-2);
- }
- return cache;
- }
- // Decode percent-encoded string.
-
- function decode$1(string, exclude) {
- if (typeof exclude !== "string") {
- exclude = decode$1.defaultChars;
- }
- const cache = getDecodeCache(exclude);
- return string.replace(/(%[a-f0-9]{2})+/gi, (function(seq) {
- let result = "";
- for (let i = 0, l = seq.length; i < l; i += 3) {
- const b1 = parseInt(seq.slice(i + 1, i + 3), 16);
- if (b1 < 128) {
- result += cache[b1];
- continue;
- }
- if ((b1 & 224) === 192 && i + 3 < l) {
- // 110xxxxx 10xxxxxx
- const b2 = parseInt(seq.slice(i + 4, i + 6), 16);
- if ((b2 & 192) === 128) {
- const chr = b1 << 6 & 1984 | b2 & 63;
- if (chr < 128) {
- result += "\ufffd\ufffd";
- } else {
- result += String.fromCharCode(chr);
- }
- i += 3;
- continue;
- }
- }
- if ((b1 & 240) === 224 && i + 6 < l) {
- // 1110xxxx 10xxxxxx 10xxxxxx
- const b2 = parseInt(seq.slice(i + 4, i + 6), 16);
- const b3 = parseInt(seq.slice(i + 7, i + 9), 16);
- if ((b2 & 192) === 128 && (b3 & 192) === 128) {
- const chr = b1 << 12 & 61440 | b2 << 6 & 4032 | b3 & 63;
- if (chr < 2048 || chr >= 55296 && chr <= 57343) {
- result += "\ufffd\ufffd\ufffd";
- } else {
- result += String.fromCharCode(chr);
- }
- i += 6;
- continue;
- }
- }
- if ((b1 & 248) === 240 && i + 9 < l) {
- // 111110xx 10xxxxxx 10xxxxxx 10xxxxxx
- const b2 = parseInt(seq.slice(i + 4, i + 6), 16);
- const b3 = parseInt(seq.slice(i + 7, i + 9), 16);
- const b4 = parseInt(seq.slice(i + 10, i + 12), 16);
- if ((b2 & 192) === 128 && (b3 & 192) === 128 && (b4 & 192) === 128) {
- let chr = b1 << 18 & 1835008 | b2 << 12 & 258048 | b3 << 6 & 4032 | b4 & 63;
- if (chr < 65536 || chr > 1114111) {
- result += "\ufffd\ufffd\ufffd\ufffd";
- } else {
- chr -= 65536;
- result += String.fromCharCode(55296 + (chr >> 10), 56320 + (chr & 1023));
- }
- i += 9;
- continue;
- }
- }
- result += "\ufffd";
- }
- return result;
- }));
- }
- decode$1.defaultChars = ";/?:@&=+$,#";
- decode$1.componentChars = "";
- const encodeCache = {};
- // Create a lookup array where anything but characters in `chars` string
- // and alphanumeric chars is percent-encoded.
-
- function getEncodeCache(exclude) {
- let cache = encodeCache[exclude];
- if (cache) {
- return cache;
- }
- cache = encodeCache[exclude] = [];
- for (let i = 0; i < 128; i++) {
- const ch = String.fromCharCode(i);
- if (/^[0-9a-z]$/i.test(ch)) {
- // always allow unencoded alphanumeric characters
- cache.push(ch);
- } else {
- cache.push("%" + ("0" + i.toString(16).toUpperCase()).slice(-2));
- }
- }
- for (let i = 0; i < exclude.length; i++) {
- cache[exclude.charCodeAt(i)] = exclude[i];
- }
- return cache;
- }
- // Encode unsafe characters with percent-encoding, skipping already
- // encoded sequences.
-
- // - string - string to encode
- // - exclude - list of characters to ignore (in addition to a-zA-Z0-9)
- // - keepEscaped - don't encode '%' in a correct escape sequence (default: true)
-
- function encode$1(string, exclude, keepEscaped) {
- if (typeof exclude !== "string") {
- // encode(string, keepEscaped)
- keepEscaped = exclude;
- exclude = encode$1.defaultChars;
- }
- if (typeof keepEscaped === "undefined") {
- keepEscaped = true;
- }
- const cache = getEncodeCache(exclude);
- let result = "";
- for (let i = 0, l = string.length; i < l; i++) {
- const code = string.charCodeAt(i);
- if (keepEscaped && code === 37 /* % */ && i + 2 < l) {
- if (/^[0-9a-f]{2}$/i.test(string.slice(i + 1, i + 3))) {
- result += string.slice(i, i + 3);
- i += 2;
- continue;
- }
- }
- if (code < 128) {
- result += cache[code];
- continue;
- }
- if (code >= 55296 && code <= 57343) {
- if (code >= 55296 && code <= 56319 && i + 1 < l) {
- const nextCode = string.charCodeAt(i + 1);
- if (nextCode >= 56320 && nextCode <= 57343) {
- result += encodeURIComponent(string[i] + string[i + 1]);
- i++;
- continue;
- }
- }
- result += "%EF%BF%BD";
- continue;
- }
- result += encodeURIComponent(string[i]);
- }
- return result;
- }
- encode$1.defaultChars = ";/?:@&=+$,-_.!~*'()#";
- encode$1.componentChars = "-_.!~*'()";
- function format(url) {
- let result = "";
- result += url.protocol || "";
- result += url.slashes ? "//" : "";
- result += url.auth ? url.auth + "@" : "";
- if (url.hostname && url.hostname.indexOf(":") !== -1) {
- // ipv6 address
- result += "[" + url.hostname + "]";
- } else {
- result += url.hostname || "";
- }
- result += url.port ? ":" + url.port : "";
- result += url.pathname || "";
- result += url.search || "";
- result += url.hash || "";
- return result;
- }
- // Copyright Joyent, Inc. and other Node contributors.
-
- // Permission is hereby granted, free of charge, to any person obtaining a
- // copy of this software and associated documentation files (the
- // "Software"), to deal in the Software without restriction, including
- // without limitation the rights to use, copy, modify, merge, publish,
- // distribute, sublicense, and/or sell copies of the Software, and to permit
- // persons to whom the Software is furnished to do so, subject to the
- // following conditions:
-
- // The above copyright notice and this permission notice shall be included
- // in all copies or substantial portions of the Software.
-
- // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
- // NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
- // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
- // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
- // USE OR OTHER DEALINGS IN THE SOFTWARE.
-
- // Changes from joyent/node:
-
- // 1. No leading slash in paths,
- // e.g. in `url.parse('http://foo?bar')` pathname is ``, not `/`
-
- // 2. Backslashes are not replaced with slashes,
- // so `http:\\example.org\` is treated like a relative path
-
- // 3. Trailing colon is treated like a part of the path,
- // i.e. in `http://example.org:foo` pathname is `:foo`
-
- // 4. Nothing is URL-encoded in the resulting object,
- // (in joyent/node some chars in auth and paths are encoded)
-
- // 5. `url.parse()` does not have `parseQueryString` argument
-
- // 6. Removed extraneous result properties: `host`, `path`, `query`, etc.,
- // which can be constructed using other parts of the url.
-
- function Url() {
- this.protocol = null;
- this.slashes = null;
- this.auth = null;
- this.port = null;
- this.hostname = null;
- this.hash = null;
- this.search = null;
- this.pathname = null;
- }
- // Reference: RFC 3986, RFC 1808, RFC 2396
- // define these here so at least they only have to be
- // compiled once on the first module load.
- const protocolPattern = /^([a-z0-9.+-]+:)/i;
- const portPattern = /:[0-9]*$/;
- // Special case for a simple path URL
- /* eslint-disable-next-line no-useless-escape */ const simplePathPattern = /^(\/\/?(?!\/)[^\?\s]*)(\?[^\s]*)?$/;
- // RFC 2396: characters reserved for delimiting URLs.
- // We actually just auto-escape these.
- const delims = [ "<", ">", '"', "`", " ", "\r", "\n", "\t" ];
- // RFC 2396: characters not allowed for various reasons.
- const unwise = [ "{", "}", "|", "\\", "^", "`" ].concat(delims);
- // Allowed by RFCs, but cause of XSS attacks. Always escape these.
- const autoEscape = [ "'" ].concat(unwise);
- // Characters that are never ever allowed in a hostname.
- // Note that any invalid chars are also handled, but these
- // are the ones that are *expected* to be seen, so we fast-path
- // them.
- const nonHostChars = [ "%", "/", "?", ";", "#" ].concat(autoEscape);
- const hostEndingChars = [ "/", "?", "#" ];
- const hostnameMaxLen = 255;
- const hostnamePartPattern = /^[+a-z0-9A-Z_-]{0,63}$/;
- const hostnamePartStart = /^([+a-z0-9A-Z_-]{0,63})(.*)$/;
- // protocols that can allow "unsafe" and "unwise" chars.
- // protocols that never have a hostname.
- const hostlessProtocol = {
- javascript: true,
- "javascript:": true
- };
- // protocols that always contain a // bit.
- const slashedProtocol = {
- http: true,
- https: true,
- ftp: true,
- gopher: true,
- file: true,
- "http:": true,
- "https:": true,
- "ftp:": true,
- "gopher:": true,
- "file:": true
- };
- function urlParse(url, slashesDenoteHost) {
- if (url && url instanceof Url) return url;
- const u = new Url;
- u.parse(url, slashesDenoteHost);
- return u;
- }
- Url.prototype.parse = function(url, slashesDenoteHost) {
- let lowerProto, hec, slashes;
- let rest = url;
- // trim before proceeding.
- // This is to support parse stuff like " http://foo.com \n"
- rest = rest.trim();
- if (!slashesDenoteHost && url.split("#").length === 1) {
- // Try fast path regexp
- const simplePath = simplePathPattern.exec(rest);
- if (simplePath) {
- this.pathname = simplePath[1];
- if (simplePath[2]) {
- this.search = simplePath[2];
- }
- return this;
- }
- }
- let proto = protocolPattern.exec(rest);
- if (proto) {
- proto = proto[0];
- lowerProto = proto.toLowerCase();
- this.protocol = proto;
- rest = rest.substr(proto.length);
- }
- // figure out if it's got a host
- // user@server is *always* interpreted as a hostname, and url
- // resolution will treat //foo/bar as host=foo,path=bar because that's
- // how the browser resolves relative URLs.
- /* eslint-disable-next-line no-useless-escape */ if (slashesDenoteHost || proto || rest.match(/^\/\/[^@\/]+@[^@\/]+/)) {
- slashes = rest.substr(0, 2) === "//";
- if (slashes && !(proto && hostlessProtocol[proto])) {
- rest = rest.substr(2);
- this.slashes = true;
- }
- }
- if (!hostlessProtocol[proto] && (slashes || proto && !slashedProtocol[proto])) {
- // there's a hostname.
- // the first instance of /, ?, ;, or # ends the host.
- // If there is an @ in the hostname, then non-host chars *are* allowed
- // to the left of the last @ sign, unless some host-ending character
- // comes *before* the @-sign.
- // URLs are obnoxious.
- // ex:
- // http://a@b@c/ => user:a@b host:c
- // http://a@b?@c => user:a host:c path:/?@c
- // v0.12 TODO(isaacs): This is not quite how Chrome does things.
- // Review our test case against browsers more comprehensively.
- // find the first instance of any hostEndingChars
- let hostEnd = -1;
- for (let i = 0; i < hostEndingChars.length; i++) {
- hec = rest.indexOf(hostEndingChars[i]);
- if (hec !== -1 && (hostEnd === -1 || hec < hostEnd)) {
- hostEnd = hec;
- }
- }
- // at this point, either we have an explicit point where the
- // auth portion cannot go past, or the last @ char is the decider.
- let auth, atSign;
- if (hostEnd === -1) {
- // atSign can be anywhere.
- atSign = rest.lastIndexOf("@");
- } else {
- // atSign must be in auth portion.
- // http://a@b/c@d => host:b auth:a path:/c@d
- atSign = rest.lastIndexOf("@", hostEnd);
- }
- // Now we have a portion which is definitely the auth.
- // Pull that off.
- if (atSign !== -1) {
- auth = rest.slice(0, atSign);
- rest = rest.slice(atSign + 1);
- this.auth = auth;
- }
- // the host is the remaining to the left of the first non-host char
- hostEnd = -1;
- for (let i = 0; i < nonHostChars.length; i++) {
- hec = rest.indexOf(nonHostChars[i]);
- if (hec !== -1 && (hostEnd === -1 || hec < hostEnd)) {
- hostEnd = hec;
- }
- }
- // if we still have not hit it, then the entire thing is a host.
- if (hostEnd === -1) {
- hostEnd = rest.length;
- }
- if (rest[hostEnd - 1] === ":") {
- hostEnd--;
- }
- const host = rest.slice(0, hostEnd);
- rest = rest.slice(hostEnd);
- // pull out port.
- this.parseHost(host);
- // we've indicated that there is a hostname,
- // so even if it's empty, it has to be present.
- this.hostname = this.hostname || "";
- // if hostname begins with [ and ends with ]
- // assume that it's an IPv6 address.
- const ipv6Hostname = this.hostname[0] === "[" && this.hostname[this.hostname.length - 1] === "]";
- // validate a little.
- if (!ipv6Hostname) {
- const hostparts = this.hostname.split(/\./);
- for (let i = 0, l = hostparts.length; i < l; i++) {
- const part = hostparts[i];
- if (!part) {
- continue;
- }
- if (!part.match(hostnamePartPattern)) {
- let newpart = "";
- for (let j = 0, k = part.length; j < k; j++) {
- if (part.charCodeAt(j) > 127) {
- // we replace non-ASCII char with a temporary placeholder
- // we need this to make sure size of hostname is not
- // broken by replacing non-ASCII by nothing
- newpart += "x";
- } else {
- newpart += part[j];
- }
- }
- // we test again with ASCII char only
- if (!newpart.match(hostnamePartPattern)) {
- const validParts = hostparts.slice(0, i);
- const notHost = hostparts.slice(i + 1);
- const bit = part.match(hostnamePartStart);
- if (bit) {
- validParts.push(bit[1]);
- notHost.unshift(bit[2]);
- }
- if (notHost.length) {
- rest = notHost.join(".") + rest;
- }
- this.hostname = validParts.join(".");
- break;
- }
- }
- }
- }
- if (this.hostname.length > hostnameMaxLen) {
- this.hostname = "";
- }
- // strip [ and ] from the hostname
- // the host field still retains them, though
- if (ipv6Hostname) {
- this.hostname = this.hostname.substr(1, this.hostname.length - 2);
- }
- }
- // chop off from the tail first.
- const hash = rest.indexOf("#");
- if (hash !== -1) {
- // got a fragment string.
- this.hash = rest.substr(hash);
- rest = rest.slice(0, hash);
- }
- const qm = rest.indexOf("?");
- if (qm !== -1) {
- this.search = rest.substr(qm);
- rest = rest.slice(0, qm);
- }
- if (rest) {
- this.pathname = rest;
- }
- if (slashedProtocol[lowerProto] && this.hostname && !this.pathname) {
- this.pathname = "";
- }
- return this;
- };
- Url.prototype.parseHost = function(host) {
- let port = portPattern.exec(host);
- if (port) {
- port = port[0];
- if (port !== ":") {
- this.port = port.substr(1);
- }
- host = host.substr(0, host.length - port.length);
- }
- if (host) {
- this.hostname = host;
- }
- };
- var mdurl = Object.freeze({
- __proto__: null,
- decode: decode$1,
- encode: encode$1,
- format: format,
- parse: urlParse
- });
- var Any = /[\0-\uD7FF\uE000-\uFFFF]|[\uD800-\uDBFF][\uDC00-\uDFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF]/;
- var Cc = /[\0-\x1F\x7F-\x9F]/;
- var regex$1 = /[\xAD\u0600-\u0605\u061C\u06DD\u070F\u0890\u0891\u08E2\u180E\u200B-\u200F\u202A-\u202E\u2060-\u2064\u2066-\u206F\uFEFF\uFFF9-\uFFFB]|\uD804[\uDCBD\uDCCD]|\uD80D[\uDC30-\uDC3F]|\uD82F[\uDCA0-\uDCA3]|\uD834[\uDD73-\uDD7A]|\uDB40[\uDC01\uDC20-\uDC7F]/;
- var P = /[!-#%-\*,-\/:;\?@\[-\]_\{\}\xA1\xA7\xAB\xB6\xB7\xBB\xBF\u037E\u0387\u055A-\u055F\u0589\u058A\u05BE\u05C0\u05C3\u05C6\u05F3\u05F4\u0609\u060A\u060C\u060D\u061B\u061D-\u061F\u066A-\u066D\u06D4\u0700-\u070D\u07F7-\u07F9\u0830-\u083E\u085E\u0964\u0965\u0970\u09FD\u0A76\u0AF0\u0C77\u0C84\u0DF4\u0E4F\u0E5A\u0E5B\u0F04-\u0F12\u0F14\u0F3A-\u0F3D\u0F85\u0FD0-\u0FD4\u0FD9\u0FDA\u104A-\u104F\u10FB\u1360-\u1368\u1400\u166E\u169B\u169C\u16EB-\u16ED\u1735\u1736\u17D4-\u17D6\u17D8-\u17DA\u1800-\u180A\u1944\u1945\u1A1E\u1A1F\u1AA0-\u1AA6\u1AA8-\u1AAD\u1B5A-\u1B60\u1B7D\u1B7E\u1BFC-\u1BFF\u1C3B-\u1C3F\u1C7E\u1C7F\u1CC0-\u1CC7\u1CD3\u2010-\u2027\u2030-\u2043\u2045-\u2051\u2053-\u205E\u207D\u207E\u208D\u208E\u2308-\u230B\u2329\u232A\u2768-\u2775\u27C5\u27C6\u27E6-\u27EF\u2983-\u2998\u29D8-\u29DB\u29FC\u29FD\u2CF9-\u2CFC\u2CFE\u2CFF\u2D70\u2E00-\u2E2E\u2E30-\u2E4F\u2E52-\u2E5D\u3001-\u3003\u3008-\u3011\u3014-\u301F\u3030\u303D\u30A0\u30FB\uA4FE\uA4FF\uA60D-\uA60F\uA673\uA67E\uA6F2-\uA6F7\uA874-\uA877\uA8CE\uA8CF\uA8F8-\uA8FA\uA8FC\uA92E\uA92F\uA95F\uA9C1-\uA9CD\uA9DE\uA9DF\uAA5C-\uAA5F\uAADE\uAADF\uAAF0\uAAF1\uABEB\uFD3E\uFD3F\uFE10-\uFE19\uFE30-\uFE52\uFE54-\uFE61\uFE63\uFE68\uFE6A\uFE6B\uFF01-\uFF03\uFF05-\uFF0A\uFF0C-\uFF0F\uFF1A\uFF1B\uFF1F\uFF20\uFF3B-\uFF3D\uFF3F\uFF5B\uFF5D\uFF5F-\uFF65]|\uD800[\uDD00-\uDD02\uDF9F\uDFD0]|\uD801\uDD6F|\uD802[\uDC57\uDD1F\uDD3F\uDE50-\uDE58\uDE7F\uDEF0-\uDEF6\uDF39-\uDF3F\uDF99-\uDF9C]|\uD803[\uDEAD\uDF55-\uDF59\uDF86-\uDF89]|\uD804[\uDC47-\uDC4D\uDCBB\uDCBC\uDCBE-\uDCC1\uDD40-\uDD43\uDD74\uDD75\uDDC5-\uDDC8\uDDCD\uDDDB\uDDDD-\uDDDF\uDE38-\uDE3D\uDEA9]|\uD805[\uDC4B-\uDC4F\uDC5A\uDC5B\uDC5D\uDCC6\uDDC1-\uDDD7\uDE41-\uDE43\uDE60-\uDE6C\uDEB9\uDF3C-\uDF3E]|\uD806[\uDC3B\uDD44-\uDD46\uDDE2\uDE3F-\uDE46\uDE9A-\uDE9C\uDE9E-\uDEA2\uDF00-\uDF09]|\uD807[\uDC41-\uDC45\uDC70\uDC71\uDEF7\uDEF8\uDF43-\uDF4F\uDFFF]|\uD809[\uDC70-\uDC74]|\uD80B[\uDFF1\uDFF2]|\uD81A[\uDE6E\uDE6F\uDEF5\uDF37-\uDF3B\uDF44]|\uD81B[\uDE97-\uDE9A\uDFE2]|\uD82F\uDC9F|\uD836[\uDE87-\uDE8B]|\uD83A[\uDD5E\uDD5F]/;
- var regex = /[\$\+<->\^`\|~\xA2-\xA6\xA8\xA9\xAC\xAE-\xB1\xB4\xB8\xD7\xF7\u02C2-\u02C5\u02D2-\u02DF\u02E5-\u02EB\u02ED\u02EF-\u02FF\u0375\u0384\u0385\u03F6\u0482\u058D-\u058F\u0606-\u0608\u060B\u060E\u060F\u06DE\u06E9\u06FD\u06FE\u07F6\u07FE\u07FF\u0888\u09F2\u09F3\u09FA\u09FB\u0AF1\u0B70\u0BF3-\u0BFA\u0C7F\u0D4F\u0D79\u0E3F\u0F01-\u0F03\u0F13\u0F15-\u0F17\u0F1A-\u0F1F\u0F34\u0F36\u0F38\u0FBE-\u0FC5\u0FC7-\u0FCC\u0FCE\u0FCF\u0FD5-\u0FD8\u109E\u109F\u1390-\u1399\u166D\u17DB\u1940\u19DE-\u19FF\u1B61-\u1B6A\u1B74-\u1B7C\u1FBD\u1FBF-\u1FC1\u1FCD-\u1FCF\u1FDD-\u1FDF\u1FED-\u1FEF\u1FFD\u1FFE\u2044\u2052\u207A-\u207C\u208A-\u208C\u20A0-\u20C0\u2100\u2101\u2103-\u2106\u2108\u2109\u2114\u2116-\u2118\u211E-\u2123\u2125\u2127\u2129\u212E\u213A\u213B\u2140-\u2144\u214A-\u214D\u214F\u218A\u218B\u2190-\u2307\u230C-\u2328\u232B-\u2426\u2440-\u244A\u249C-\u24E9\u2500-\u2767\u2794-\u27C4\u27C7-\u27E5\u27F0-\u2982\u2999-\u29D7\u29DC-\u29FB\u29FE-\u2B73\u2B76-\u2B95\u2B97-\u2BFF\u2CE5-\u2CEA\u2E50\u2E51\u2E80-\u2E99\u2E9B-\u2EF3\u2F00-\u2FD5\u2FF0-\u2FFF\u3004\u3012\u3013\u3020\u3036\u3037\u303E\u303F\u309B\u309C\u3190\u3191\u3196-\u319F\u31C0-\u31E3\u31EF\u3200-\u321E\u322A-\u3247\u3250\u3260-\u327F\u328A-\u32B0\u32C0-\u33FF\u4DC0-\u4DFF\uA490-\uA4C6\uA700-\uA716\uA720\uA721\uA789\uA78A\uA828-\uA82B\uA836-\uA839\uAA77-\uAA79\uAB5B\uAB6A\uAB6B\uFB29\uFBB2-\uFBC2\uFD40-\uFD4F\uFDCF\uFDFC-\uFDFF\uFE62\uFE64-\uFE66\uFE69\uFF04\uFF0B\uFF1C-\uFF1E\uFF3E\uFF40\uFF5C\uFF5E\uFFE0-\uFFE6\uFFE8-\uFFEE\uFFFC\uFFFD]|\uD800[\uDD37-\uDD3F\uDD79-\uDD89\uDD8C-\uDD8E\uDD90-\uDD9C\uDDA0\uDDD0-\uDDFC]|\uD802[\uDC77\uDC78\uDEC8]|\uD805\uDF3F|\uD807[\uDFD5-\uDFF1]|\uD81A[\uDF3C-\uDF3F\uDF45]|\uD82F\uDC9C|\uD833[\uDF50-\uDFC3]|\uD834[\uDC00-\uDCF5\uDD00-\uDD26\uDD29-\uDD64\uDD6A-\uDD6C\uDD83\uDD84\uDD8C-\uDDA9\uDDAE-\uDDEA\uDE00-\uDE41\uDE45\uDF00-\uDF56]|\uD835[\uDEC1\uDEDB\uDEFB\uDF15\uDF35\uDF4F\uDF6F\uDF89\uDFA9\uDFC3]|\uD836[\uDC00-\uDDFF\uDE37-\uDE3A\uDE6D-\uDE74\uDE76-\uDE83\uDE85\uDE86]|\uD838[\uDD4F\uDEFF]|\uD83B[\uDCAC\uDCB0\uDD2E\uDEF0\uDEF1]|\uD83C[\uDC00-\uDC2B\uDC30-\uDC93\uDCA0-\uDCAE\uDCB1-\uDCBF\uDCC1-\uDCCF\uDCD1-\uDCF5\uDD0D-\uDDAD\uDDE6-\uDE02\uDE10-\uDE3B\uDE40-\uDE48\uDE50\uDE51\uDE60-\uDE65\uDF00-\uDFFF]|\uD83D[\uDC00-\uDED7\uDEDC-\uDEEC\uDEF0-\uDEFC\uDF00-\uDF76\uDF7B-\uDFD9\uDFE0-\uDFEB\uDFF0]|\uD83E[\uDC00-\uDC0B\uDC10-\uDC47\uDC50-\uDC59\uDC60-\uDC87\uDC90-\uDCAD\uDCB0\uDCB1\uDD00-\uDE53\uDE60-\uDE6D\uDE70-\uDE7C\uDE80-\uDE88\uDE90-\uDEBD\uDEBF-\uDEC5\uDECE-\uDEDB\uDEE0-\uDEE8\uDEF0-\uDEF8\uDF00-\uDF92\uDF94-\uDFCA]/;
- var Z = /[ \xA0\u1680\u2000-\u200A\u2028\u2029\u202F\u205F\u3000]/;
- var ucmicro = Object.freeze({
- __proto__: null,
- Any: Any,
- Cc: Cc,
- Cf: regex$1,
- P: P,
- S: regex,
- Z: Z
- });
- // Generated using scripts/write-decode-map.ts
- var htmlDecodeTree = new Uint16Array(
- // prettier-ignore
- 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=> c.charCodeAt(0))));
- // Generated using scripts/write-decode-map.ts
- var xmlDecodeTree = new Uint16Array(
- // prettier-ignore
- "\u0200aglq\t\x15\x18\x1b\u026d\x0f\0\0\x12p;\u4026os;\u4027t;\u403et;\u403cuot;\u4022".split("").map((c => c.charCodeAt(0))));
- // Adapted from https://github.com/mathiasbynens/he/blob/36afe179392226cf1b6ccdb16ebbb7a5a844d93a/src/he.js#L106-L134
- var _a;
- const decodeMap = new Map([ [ 0, 65533 ],
- // C1 Unicode control character reference replacements
- [ 128, 8364 ], [ 130, 8218 ], [ 131, 402 ], [ 132, 8222 ], [ 133, 8230 ], [ 134, 8224 ], [ 135, 8225 ], [ 136, 710 ], [ 137, 8240 ], [ 138, 352 ], [ 139, 8249 ], [ 140, 338 ], [ 142, 381 ], [ 145, 8216 ], [ 146, 8217 ], [ 147, 8220 ], [ 148, 8221 ], [ 149, 8226 ], [ 150, 8211 ], [ 151, 8212 ], [ 152, 732 ], [ 153, 8482 ], [ 154, 353 ], [ 155, 8250 ], [ 156, 339 ], [ 158, 382 ], [ 159, 376 ] ]);
- /**
- * Polyfill for `String.fromCodePoint`. It is used to create a string from a Unicode code point.
- */ const fromCodePoint$1 =
- // eslint-disable-next-line @typescript-eslint/no-unnecessary-condition, node/no-unsupported-features/es-builtins
- (_a = String.fromCodePoint) !== null && _a !== void 0 ? _a : function(codePoint) {
- let output = "";
- if (codePoint > 65535) {
- codePoint -= 65536;
- output += String.fromCharCode(codePoint >>> 10 & 1023 | 55296);
- codePoint = 56320 | codePoint & 1023;
- }
- output += String.fromCharCode(codePoint);
- return output;
- };
- /**
- * Replace the given code point with a replacement character if it is a
- * surrogate or is outside the valid range. Otherwise return the code
- * point unchanged.
- */ function replaceCodePoint(codePoint) {
- var _a;
- if (codePoint >= 55296 && codePoint <= 57343 || codePoint > 1114111) {
- return 65533;
- }
- return (_a = decodeMap.get(codePoint)) !== null && _a !== void 0 ? _a : codePoint;
- }
- var CharCodes;
- (function(CharCodes) {
- CharCodes[CharCodes["NUM"] = 35] = "NUM";
- CharCodes[CharCodes["SEMI"] = 59] = "SEMI";
- CharCodes[CharCodes["EQUALS"] = 61] = "EQUALS";
- CharCodes[CharCodes["ZERO"] = 48] = "ZERO";
- CharCodes[CharCodes["NINE"] = 57] = "NINE";
- CharCodes[CharCodes["LOWER_A"] = 97] = "LOWER_A";
- CharCodes[CharCodes["LOWER_F"] = 102] = "LOWER_F";
- CharCodes[CharCodes["LOWER_X"] = 120] = "LOWER_X";
- CharCodes[CharCodes["LOWER_Z"] = 122] = "LOWER_Z";
- CharCodes[CharCodes["UPPER_A"] = 65] = "UPPER_A";
- CharCodes[CharCodes["UPPER_F"] = 70] = "UPPER_F";
- CharCodes[CharCodes["UPPER_Z"] = 90] = "UPPER_Z";
- })(CharCodes || (CharCodes = {}));
- /** Bit that needs to be set to convert an upper case ASCII character to lower case */ const TO_LOWER_BIT = 32;
- var BinTrieFlags;
- (function(BinTrieFlags) {
- BinTrieFlags[BinTrieFlags["VALUE_LENGTH"] = 49152] = "VALUE_LENGTH";
- BinTrieFlags[BinTrieFlags["BRANCH_LENGTH"] = 16256] = "BRANCH_LENGTH";
- BinTrieFlags[BinTrieFlags["JUMP_TABLE"] = 127] = "JUMP_TABLE";
- })(BinTrieFlags || (BinTrieFlags = {}));
- function isNumber(code) {
- return code >= CharCodes.ZERO && code <= CharCodes.NINE;
- }
- function isHexadecimalCharacter(code) {
- return code >= CharCodes.UPPER_A && code <= CharCodes.UPPER_F || code >= CharCodes.LOWER_A && code <= CharCodes.LOWER_F;
- }
- function isAsciiAlphaNumeric(code) {
- return code >= CharCodes.UPPER_A && code <= CharCodes.UPPER_Z || code >= CharCodes.LOWER_A && code <= CharCodes.LOWER_Z || isNumber(code);
- }
- /**
- * Checks if the given character is a valid end character for an entity in an attribute.
- *
- * Attribute values that aren't terminated properly aren't parsed, and shouldn't lead to a parser error.
- * See the example in https://html.spec.whatwg.org/multipage/parsing.html#named-character-reference-state
- */ function isEntityInAttributeInvalidEnd(code) {
- return code === CharCodes.EQUALS || isAsciiAlphaNumeric(code);
- }
- var EntityDecoderState;
- (function(EntityDecoderState) {
- EntityDecoderState[EntityDecoderState["EntityStart"] = 0] = "EntityStart";
- EntityDecoderState[EntityDecoderState["NumericStart"] = 1] = "NumericStart";
- EntityDecoderState[EntityDecoderState["NumericDecimal"] = 2] = "NumericDecimal";
- EntityDecoderState[EntityDecoderState["NumericHex"] = 3] = "NumericHex";
- EntityDecoderState[EntityDecoderState["NamedEntity"] = 4] = "NamedEntity";
- })(EntityDecoderState || (EntityDecoderState = {}));
- var DecodingMode;
- (function(DecodingMode) {
- /** Entities in text nodes that can end with any character. */
- DecodingMode[DecodingMode["Legacy"] = 0] = "Legacy";
- /** Only allow entities terminated with a semicolon. */ DecodingMode[DecodingMode["Strict"] = 1] = "Strict";
- /** Entities in attributes have limitations on ending characters. */ DecodingMode[DecodingMode["Attribute"] = 2] = "Attribute";
- })(DecodingMode || (DecodingMode = {}));
- /**
- * Token decoder with support of writing partial entities.
- */ class EntityDecoder {
- constructor(/** The tree used to decode entities. */
- decodeTree,
- /**
- * The function that is called when a codepoint is decoded.
- *
- * For multi-byte named entities, this will be called multiple times,
- * with the second codepoint, and the same `consumed` value.
- *
- * @param codepoint The decoded codepoint.
- * @param consumed The number of bytes consumed by the decoder.
- */
- emitCodePoint, /** An object that is used to produce errors. */
- errors) {
- this.decodeTree = decodeTree;
- this.emitCodePoint = emitCodePoint;
- this.errors = errors;
- /** The current state of the decoder. */ this.state = EntityDecoderState.EntityStart;
- /** Characters that were consumed while parsing an entity. */ this.consumed = 1;
- /**
- * The result of the entity.
- *
- * Either the result index of a numeric entity, or the codepoint of a
- * numeric entity.
- */ this.result = 0;
- /** The current index in the decode tree. */ this.treeIndex = 0;
- /** The number of characters that were consumed in excess. */ this.excess = 1;
- /** The mode in which the decoder is operating. */ this.decodeMode = DecodingMode.Strict;
- }
- /** Resets the instance to make it reusable. */ startEntity(decodeMode) {
- this.decodeMode = decodeMode;
- this.state = EntityDecoderState.EntityStart;
- this.result = 0;
- this.treeIndex = 0;
- this.excess = 1;
- this.consumed = 1;
- }
- /**
- * Write an entity to the decoder. This can be called multiple times with partial entities.
- * If the entity is incomplete, the decoder will return -1.
- *
- * Mirrors the implementation of `getDecoder`, but with the ability to stop decoding if the
- * entity is incomplete, and resume when the next string is written.
- *
- * @param string The string containing the entity (or a continuation of the entity).
- * @param offset The offset at which the entity begins. Should be 0 if this is not the first call.
- * @returns The number of characters that were consumed, or -1 if the entity is incomplete.
- */ write(str, offset) {
- switch (this.state) {
- case EntityDecoderState.EntityStart:
- {
- if (str.charCodeAt(offset) === CharCodes.NUM) {
- this.state = EntityDecoderState.NumericStart;
- this.consumed += 1;
- return this.stateNumericStart(str, offset + 1);
- }
- this.state = EntityDecoderState.NamedEntity;
- return this.stateNamedEntity(str, offset);
- }
-
- case EntityDecoderState.NumericStart:
- {
- return this.stateNumericStart(str, offset);
- }
-
- case EntityDecoderState.NumericDecimal:
- {
- return this.stateNumericDecimal(str, offset);
- }
-
- case EntityDecoderState.NumericHex:
- {
- return this.stateNumericHex(str, offset);
- }
-
- case EntityDecoderState.NamedEntity:
- {
- return this.stateNamedEntity(str, offset);
- }
- }
- }
- /**
- * Switches between the numeric decimal and hexadecimal states.
- *
- * Equivalent to the `Numeric character reference state` in the HTML spec.
- *
- * @param str The string containing the entity (or a continuation of the entity).
- * @param offset The current offset.
- * @returns The number of characters that were consumed, or -1 if the entity is incomplete.
- */ stateNumericStart(str, offset) {
- if (offset >= str.length) {
- return -1;
- }
- if ((str.charCodeAt(offset) | TO_LOWER_BIT) === CharCodes.LOWER_X) {
- this.state = EntityDecoderState.NumericHex;
- this.consumed += 1;
- return this.stateNumericHex(str, offset + 1);
- }
- this.state = EntityDecoderState.NumericDecimal;
- return this.stateNumericDecimal(str, offset);
- }
- addToNumericResult(str, start, end, base) {
- if (start !== end) {
- const digitCount = end - start;
- this.result = this.result * Math.pow(base, digitCount) + parseInt(str.substr(start, digitCount), base);
- this.consumed += digitCount;
- }
- }
- /**
- * Parses a hexadecimal numeric entity.
- *
- * Equivalent to the `Hexademical character reference state` in the HTML spec.
- *
- * @param str The string containing the entity (or a continuation of the entity).
- * @param offset The current offset.
- * @returns The number of characters that were consumed, or -1 if the entity is incomplete.
- */ stateNumericHex(str, offset) {
- const startIdx = offset;
- while (offset < str.length) {
- const char = str.charCodeAt(offset);
- if (isNumber(char) || isHexadecimalCharacter(char)) {
- offset += 1;
- } else {
- this.addToNumericResult(str, startIdx, offset, 16);
- return this.emitNumericEntity(char, 3);
- }
- }
- this.addToNumericResult(str, startIdx, offset, 16);
- return -1;
- }
- /**
- * Parses a decimal numeric entity.
- *
- * Equivalent to the `Decimal character reference state` in the HTML spec.
- *
- * @param str The string containing the entity (or a continuation of the entity).
- * @param offset The current offset.
- * @returns The number of characters that were consumed, or -1 if the entity is incomplete.
- */ stateNumericDecimal(str, offset) {
- const startIdx = offset;
- while (offset < str.length) {
- const char = str.charCodeAt(offset);
- if (isNumber(char)) {
- offset += 1;
- } else {
- this.addToNumericResult(str, startIdx, offset, 10);
- return this.emitNumericEntity(char, 2);
- }
- }
- this.addToNumericResult(str, startIdx, offset, 10);
- return -1;
- }
- /**
- * Validate and emit a numeric entity.
- *
- * Implements the logic from the `Hexademical character reference start
- * state` and `Numeric character reference end state` in the HTML spec.
- *
- * @param lastCp The last code point of the entity. Used to see if the
- * entity was terminated with a semicolon.
- * @param expectedLength The minimum number of characters that should be
- * consumed. Used to validate that at least one digit
- * was consumed.
- * @returns The number of characters that were consumed.
- */ emitNumericEntity(lastCp, expectedLength) {
- var _a;
- // Ensure we consumed at least one digit.
- if (this.consumed <= expectedLength) {
- (_a = this.errors) === null || _a === void 0 ? void 0 : _a.absenceOfDigitsInNumericCharacterReference(this.consumed);
- return 0;
- }
- // Figure out if this is a legit end of the entity
- if (lastCp === CharCodes.SEMI) {
- this.consumed += 1;
- } else if (this.decodeMode === DecodingMode.Strict) {
- return 0;
- }
- this.emitCodePoint(replaceCodePoint(this.result), this.consumed);
- if (this.errors) {
- if (lastCp !== CharCodes.SEMI) {
- this.errors.missingSemicolonAfterCharacterReference();
- }
- this.errors.validateNumericCharacterReference(this.result);
- }
- return this.consumed;
- }
- /**
- * Parses a named entity.
- *
- * Equivalent to the `Named character reference state` in the HTML spec.
- *
- * @param str The string containing the entity (or a continuation of the entity).
- * @param offset The current offset.
- * @returns The number of characters that were consumed, or -1 if the entity is incomplete.
- */ stateNamedEntity(str, offset) {
- const {decodeTree: decodeTree} = this;
- let current = decodeTree[this.treeIndex];
- // The mask is the number of bytes of the value, including the current byte.
- let valueLength = (current & BinTrieFlags.VALUE_LENGTH) >> 14;
- for (;offset < str.length; offset++, this.excess++) {
- const char = str.charCodeAt(offset);
- this.treeIndex = determineBranch(decodeTree, current, this.treeIndex + Math.max(1, valueLength), char);
- if (this.treeIndex < 0) {
- return this.result === 0 ||
- // If we are parsing an attribute
- this.decodeMode === DecodingMode.Attribute && (
- // We shouldn't have consumed any characters after the entity,
- valueLength === 0 ||
- // And there should be no invalid characters.
- isEntityInAttributeInvalidEnd(char)) ? 0 : this.emitNotTerminatedNamedEntity();
- }
- current = decodeTree[this.treeIndex];
- valueLength = (current & BinTrieFlags.VALUE_LENGTH) >> 14;
- // If the branch is a value, store it and continue
- if (valueLength !== 0) {
- // If the entity is terminated by a semicolon, we are done.
- if (char === CharCodes.SEMI) {
- return this.emitNamedEntityData(this.treeIndex, valueLength, this.consumed + this.excess);
- }
- // If we encounter a non-terminated (legacy) entity while parsing strictly, then ignore it.
- if (this.decodeMode !== DecodingMode.Strict) {
- this.result = this.treeIndex;
- this.consumed += this.excess;
- this.excess = 0;
- }
- }
- }
- return -1;
- }
- /**
- * Emit a named entity that was not terminated with a semicolon.
- *
- * @returns The number of characters consumed.
- */ emitNotTerminatedNamedEntity() {
- var _a;
- const {result: result, decodeTree: decodeTree} = this;
- const valueLength = (decodeTree[result] & BinTrieFlags.VALUE_LENGTH) >> 14;
- this.emitNamedEntityData(result, valueLength, this.consumed);
- (_a = this.errors) === null || _a === void 0 ? void 0 : _a.missingSemicolonAfterCharacterReference();
- return this.consumed;
- }
- /**
- * Emit a named entity.
- *
- * @param result The index of the entity in the decode tree.
- * @param valueLength The number of bytes in the entity.
- * @param consumed The number of characters consumed.
- *
- * @returns The number of characters consumed.
- */ emitNamedEntityData(result, valueLength, consumed) {
- const {decodeTree: decodeTree} = this;
- this.emitCodePoint(valueLength === 1 ? decodeTree[result] & ~BinTrieFlags.VALUE_LENGTH : decodeTree[result + 1], consumed);
- if (valueLength === 3) {
- // For multi-byte values, we need to emit the second byte.
- this.emitCodePoint(decodeTree[result + 2], consumed);
- }
- return consumed;
- }
- /**
- * Signal to the parser that the end of the input was reached.
- *
- * Remaining data will be emitted and relevant errors will be produced.
- *
- * @returns The number of characters consumed.
- */ end() {
- var _a;
- switch (this.state) {
- case EntityDecoderState.NamedEntity:
- {
- // Emit a named entity if we have one.
- return this.result !== 0 && (this.decodeMode !== DecodingMode.Attribute || this.result === this.treeIndex) ? this.emitNotTerminatedNamedEntity() : 0;
- }
-
- // Otherwise, emit a numeric entity if we have one.
- case EntityDecoderState.NumericDecimal:
- {
- return this.emitNumericEntity(0, 2);
- }
-
- case EntityDecoderState.NumericHex:
- {
- return this.emitNumericEntity(0, 3);
- }
-
- case EntityDecoderState.NumericStart:
- {
- (_a = this.errors) === null || _a === void 0 ? void 0 : _a.absenceOfDigitsInNumericCharacterReference(this.consumed);
- return 0;
- }
-
- case EntityDecoderState.EntityStart:
- {
- // Return 0 if we have no entity.
- return 0;
- }
- }
- }
- }
- /**
- * Creates a function that decodes entities in a string.
- *
- * @param decodeTree The decode tree.
- * @returns A function that decodes entities in a string.
- */ function getDecoder(decodeTree) {
- let ret = "";
- const decoder = new EntityDecoder(decodeTree, (str => ret += fromCodePoint$1(str)));
- return function decodeWithTrie(str, decodeMode) {
- let lastIndex = 0;
- let offset = 0;
- while ((offset = str.indexOf("&", offset)) >= 0) {
- ret += str.slice(lastIndex, offset);
- decoder.startEntity(decodeMode);
- const len = decoder.write(str,
- // Skip the "&"
- offset + 1);
- if (len < 0) {
- lastIndex = offset + decoder.end();
- break;
- }
- lastIndex = offset + len;
- // If `len` is 0, skip the current `&` and continue.
- offset = len === 0 ? lastIndex + 1 : lastIndex;
- }
- const result = ret + str.slice(lastIndex);
- // Make sure we don't keep a reference to the final string.
- ret = "";
- return result;
- };
- }
- /**
- * Determines the branch of the current node that is taken given the current
- * character. This function is used to traverse the trie.
- *
- * @param decodeTree The trie.
- * @param current The current node.
- * @param nodeIdx The index right after the current node and its value.
- * @param char The current character.
- * @returns The index of the next node, or -1 if no branch is taken.
- */ function determineBranch(decodeTree, current, nodeIdx, char) {
- const branchCount = (current & BinTrieFlags.BRANCH_LENGTH) >> 7;
- const jumpOffset = current & BinTrieFlags.JUMP_TABLE;
- // Case 1: Single branch encoded in jump offset
- if (branchCount === 0) {
- return jumpOffset !== 0 && char === jumpOffset ? nodeIdx : -1;
- }
- // Case 2: Multiple branches encoded in jump table
- if (jumpOffset) {
- const value = char - jumpOffset;
- return value < 0 || value >= branchCount ? -1 : decodeTree[nodeIdx + value] - 1;
- }
- // Case 3: Multiple branches encoded in dictionary
- // Binary search for the character.
- let lo = nodeIdx;
- let hi = lo + branchCount - 1;
- while (lo <= hi) {
- const mid = lo + hi >>> 1;
- const midVal = decodeTree[mid];
- if (midVal < char) {
- lo = mid + 1;
- } else if (midVal > char) {
- hi = mid - 1;
- } else {
- return decodeTree[mid + branchCount];
- }
- }
- return -1;
- }
- const htmlDecoder = getDecoder(htmlDecodeTree);
- getDecoder(xmlDecodeTree);
- /**
- * Decodes an HTML string.
- *
- * @param str The string to decode.
- * @param mode The decoding mode.
- * @returns The decoded string.
- */ function decodeHTML(str, mode = DecodingMode.Legacy) {
- return htmlDecoder(str, mode);
- }
- // Utilities
-
- function _class$1(obj) {
- return Object.prototype.toString.call(obj);
- }
- function isString$1(obj) {
- return _class$1(obj) === "[object String]";
- }
- const _hasOwnProperty = Object.prototype.hasOwnProperty;
- function has(object, key) {
- return _hasOwnProperty.call(object, key);
- }
- // Merge objects
-
- function assign$1(obj /* from1, from2, from3, ... */) {
- const sources = Array.prototype.slice.call(arguments, 1);
- sources.forEach((function(source) {
- if (!source) {
- return;
- }
- if (typeof source !== "object") {
- throw new TypeError(source + "must be object");
- }
- Object.keys(source).forEach((function(key) {
- obj[key] = source[key];
- }));
- }));
- return obj;
- }
- // Remove element from array and put another array at those position.
- // Useful for some operations with tokens
- function arrayReplaceAt(src, pos, newElements) {
- return [].concat(src.slice(0, pos), newElements, src.slice(pos + 1));
- }
- function isValidEntityCode(c) {
- /* eslint no-bitwise:0 */
- // broken sequence
- if (c >= 55296 && c <= 57343) {
- return false;
- }
- // never used
- if (c >= 64976 && c <= 65007) {
- return false;
- }
- if ((c & 65535) === 65535 || (c & 65535) === 65534) {
- return false;
- }
- // control codes
- if (c >= 0 && c <= 8) {
- return false;
- }
- if (c === 11) {
- return false;
- }
- if (c >= 14 && c <= 31) {
- return false;
- }
- if (c >= 127 && c <= 159) {
- return false;
- }
- // out of range
- if (c > 1114111) {
- return false;
- }
- return true;
- }
- function fromCodePoint(c) {
- /* eslint no-bitwise:0 */
- if (c > 65535) {
- c -= 65536;
- const surrogate1 = 55296 + (c >> 10);
- const surrogate2 = 56320 + (c & 1023);
- return String.fromCharCode(surrogate1, surrogate2);
- }
- return String.fromCharCode(c);
- }
- const UNESCAPE_MD_RE = /\\([!"#$%&'()*+,\-./:;<=>?@[\\\]^_`{|}~])/g;
- const ENTITY_RE = /&([a-z#][a-z0-9]{1,31});/gi;
- const UNESCAPE_ALL_RE = new RegExp(UNESCAPE_MD_RE.source + "|" + ENTITY_RE.source, "gi");
- const DIGITAL_ENTITY_TEST_RE = /^#((?:x[a-f0-9]{1,8}|[0-9]{1,8}))$/i;
- function replaceEntityPattern(match, name) {
- if (name.charCodeAt(0) === 35 /* # */ && DIGITAL_ENTITY_TEST_RE.test(name)) {
- const code = name[1].toLowerCase() === "x" ? parseInt(name.slice(2), 16) : parseInt(name.slice(1), 10);
- if (isValidEntityCode(code)) {
- return fromCodePoint(code);
- }
- return match;
- }
- const decoded = decodeHTML(match);
- if (decoded !== match) {
- return decoded;
- }
- return match;
- }
- /* function replaceEntities(str) {
- if (str.indexOf('&') < 0) { return str; }
-
- return str.replace(ENTITY_RE, replaceEntityPattern);
- } */ function unescapeMd(str) {
- if (str.indexOf("\\") < 0) {
- return str;
- }
- return str.replace(UNESCAPE_MD_RE, "$1");
- }
- function unescapeAll(str) {
- if (str.indexOf("\\") < 0 && str.indexOf("&") < 0) {
- return str;
- }
- return str.replace(UNESCAPE_ALL_RE, (function(match, escaped, entity) {
- if (escaped) {
- return escaped;
- }
- return replaceEntityPattern(match, entity);
- }));
- }
- const HTML_ESCAPE_TEST_RE = /[&<>"]/;
- const HTML_ESCAPE_REPLACE_RE = /[&<>"]/g;
- const HTML_REPLACEMENTS = {
- "&": "&amp;",
- "<": "&lt;",
- ">": "&gt;",
- '"': "&quot;"
- };
- function replaceUnsafeChar(ch) {
- return HTML_REPLACEMENTS[ch];
- }
- function escapeHtml(str) {
- if (HTML_ESCAPE_TEST_RE.test(str)) {
- return str.replace(HTML_ESCAPE_REPLACE_RE, replaceUnsafeChar);
- }
- return str;
- }
- const REGEXP_ESCAPE_RE = /[.?*+^$[\]\\(){}|-]/g;
- function escapeRE$1(str) {
- return str.replace(REGEXP_ESCAPE_RE, "\\$&");
- }
- function isSpace(code) {
- switch (code) {
- case 9:
- case 32:
- return true;
- }
- return false;
- }
- // Zs (unicode class) || [\t\f\v\r\n]
- function isWhiteSpace(code) {
- if (code >= 8192 && code <= 8202) {
- return true;
- }
- switch (code) {
- case 9:
- // \t
- case 10:
- // \n
- case 11:
- // \v
- case 12:
- // \f
- case 13:
- // \r
- case 32:
- case 160:
- case 5760:
- case 8239:
- case 8287:
- case 12288:
- return true;
- }
- return false;
- }
- /* eslint-disable max-len */
- // Currently without astral characters support.
- function isPunctChar(ch) {
- return P.test(ch) || regex.test(ch);
- }
- // Markdown ASCII punctuation characters.
-
- // !, ", #, $, %, &, ', (, ), *, +, ,, -, ., /, :, ;, <, =, >, ?, @, [, \, ], ^, _, `, {, |, }, or ~
- // http://spec.commonmark.org/0.15/#ascii-punctuation-character
-
- // Don't confuse with unicode punctuation !!! It lacks some chars in ascii range.
-
- function isMdAsciiPunct(ch) {
- switch (ch) {
- case 33 /* ! */ :
- case 34 /* " */ :
- case 35 /* # */ :
- case 36 /* $ */ :
- case 37 /* % */ :
- case 38 /* & */ :
- case 39 /* ' */ :
- case 40 /* ( */ :
- case 41 /* ) */ :
- case 42 /* * */ :
- case 43 /* + */ :
- case 44 /* , */ :
- case 45 /* - */ :
- case 46 /* . */ :
- case 47 /* / */ :
- case 58 /* : */ :
- case 59 /* ; */ :
- case 60 /* < */ :
- case 61 /* = */ :
- case 62 /* > */ :
- case 63 /* ? */ :
- case 64 /* @ */ :
- case 91 /* [ */ :
- case 92 /* \ */ :
- case 93 /* ] */ :
- case 94 /* ^ */ :
- case 95 /* _ */ :
- case 96 /* ` */ :
- case 123 /* { */ :
- case 124 /* | */ :
- case 125 /* } */ :
- case 126 /* ~ */ :
- return true;
-
- default:
- return false;
- }
- }
- // Hepler to unify [reference labels].
-
- function normalizeReference(str) {
- // Trim and collapse whitespace
- str = str.trim().replace(/\s+/g, " ");
- // In node v10 'ẞ'.toLowerCase() === 'Ṿ', which is presumed to be a bug
- // fixed in v12 (couldn't find any details).
-
- // So treat this one as a special case
- // (remove this when node v10 is no longer supported).
-
- if ("\u1e9e".toLowerCase() === "\u1e7e") {
- str = str.replace(/\u1e9e/g, "\xdf");
- }
- // .toLowerCase().toUpperCase() should get rid of all differences
- // between letter variants.
-
- // Simple .toLowerCase() doesn't normalize 125 code points correctly,
- // and .toUpperCase doesn't normalize 6 of them (list of exceptions:
- // İ, ϴ, ẞ, Ω, K, Å - those are already uppercased, but have differently
- // uppercased versions).
-
- // Here's an example showing how it happens. Lets take greek letter omega:
- // uppercase U+0398 (Θ), U+03f4 (ϴ) and lowercase U+03b8 (θ), U+03d1 (ϑ)
-
- // Unicode entries:
- // 0398;GREEK CAPITAL LETTER THETA;Lu;0;L;;;;;N;;;;03B8;
- // 03B8;GREEK SMALL LETTER THETA;Ll;0;L;;;;;N;;;0398;;0398
- // 03D1;GREEK THETA SYMBOL;Ll;0;L;<compat> 03B8;;;;N;GREEK SMALL LETTER SCRIPT THETA;;0398;;0398
- // 03F4;GREEK CAPITAL THETA SYMBOL;Lu;0;L;<compat> 0398;;;;N;;;;03B8;
-
- // Case-insensitive comparison should treat all of them as equivalent.
-
- // But .toLowerCase() doesn't change ϑ (it's already lowercase),
- // and .toUpperCase() doesn't change ϴ (already uppercase).
-
- // Applying first lower then upper case normalizes any character:
- // '\u0398\u03f4\u03b8\u03d1'.toLowerCase().toUpperCase() === '\u0398\u0398\u0398\u0398'
-
- // Note: this is equivalent to unicode case folding; unicode normalization
- // is a different step that is not required here.
-
- // Final result should be uppercased, because it's later stored in an object
- // (this avoid a conflict with Object.prototype members,
- // most notably, `__proto__`)
-
- return str.toLowerCase().toUpperCase();
- }
- // Re-export libraries commonly used in both markdown-it and its plugins,
- // so plugins won't have to depend on them explicitly, which reduces their
- // bundled size (e.g. a browser build).
-
- const lib = {
- mdurl: mdurl,
- ucmicro: ucmicro
- };
- var utils = Object.freeze({
- __proto__: null,
- arrayReplaceAt: arrayReplaceAt,
- assign: assign$1,
- escapeHtml: escapeHtml,
- escapeRE: escapeRE$1,
- fromCodePoint: fromCodePoint,
- has: has,
- isMdAsciiPunct: isMdAsciiPunct,
- isPunctChar: isPunctChar,
- isSpace: isSpace,
- isString: isString$1,
- isValidEntityCode: isValidEntityCode,
- isWhiteSpace: isWhiteSpace,
- lib: lib,
- normalizeReference: normalizeReference,
- unescapeAll: unescapeAll,
- unescapeMd: unescapeMd
- });
- // Parse link label
-
- // this function assumes that first character ("[") already matches;
- // returns the end of the label
-
- function parseLinkLabel(state, start, disableNested) {
- let level, found, marker, prevPos;
- const max = state.posMax;
- const oldPos = state.pos;
- state.pos = start + 1;
- level = 1;
- while (state.pos < max) {
- marker = state.src.charCodeAt(state.pos);
- if (marker === 93 /* ] */) {
- level--;
- if (level === 0) {
- found = true;
- break;
- }
- }
- prevPos = state.pos;
- state.md.inline.skipToken(state);
- if (marker === 91 /* [ */) {
- if (prevPos === state.pos - 1) {
- // increase level if we find text `[`, which is not a part of any token
- level++;
- } else if (disableNested) {
- state.pos = oldPos;
- return -1;
- }
- }
- }
- let labelEnd = -1;
- if (found) {
- labelEnd = state.pos;
- }
- // restore old state
- state.pos = oldPos;
- return labelEnd;
- }
- // Parse link destination
-
- function parseLinkDestination(str, start, max) {
- let code;
- let pos = start;
- const result = {
- ok: false,
- pos: 0,
- str: ""
- };
- if (str.charCodeAt(pos) === 60 /* < */) {
- pos++;
- while (pos < max) {
- code = str.charCodeAt(pos);
- if (code === 10 /* \n */) {
- return result;
- }
- if (code === 60 /* < */) {
- return result;
- }
- if (code === 62 /* > */) {
- result.pos = pos + 1;
- result.str = unescapeAll(str.slice(start + 1, pos));
- result.ok = true;
- return result;
- }
- if (code === 92 /* \ */ && pos + 1 < max) {
- pos += 2;
- continue;
- }
- pos++;
- }
- // no closing '>'
- return result;
- }
- // this should be ... } else { ... branch
- let level = 0;
- while (pos < max) {
- code = str.charCodeAt(pos);
- if (code === 32) {
- break;
- }
- // ascii control characters
- if (code < 32 || code === 127) {
- break;
- }
- if (code === 92 /* \ */ && pos + 1 < max) {
- if (str.charCodeAt(pos + 1) === 32) {
- break;
- }
- pos += 2;
- continue;
- }
- if (code === 40 /* ( */) {
- level++;
- if (level > 32) {
- return result;
- }
- }
- if (code === 41 /* ) */) {
- if (level === 0) {
- break;
- }
- level--;
- }
- pos++;
- }
- if (start === pos) {
- return result;
- }
- if (level !== 0) {
- return result;
- }
- result.str = unescapeAll(str.slice(start, pos));
- result.pos = pos;
- result.ok = true;
- return result;
- }
- // Parse link title
-
- // Parse link title within `str` in [start, max] range,
- // or continue previous parsing if `prev_state` is defined (equal to result of last execution).
-
- function parseLinkTitle(str, start, max, prev_state) {
- let code;
- let pos = start;
- const state = {
- // if `true`, this is a valid link title
- ok: false,
- // if `true`, this link can be continued on the next line
- can_continue: false,
- // if `ok`, it's the position of the first character after the closing marker
- pos: 0,
- // if `ok`, it's the unescaped title
- str: "",
- // expected closing marker character code
- marker: 0
- };
- if (prev_state) {
- // this is a continuation of a previous parseLinkTitle call on the next line,
- // used in reference links only
- state.str = prev_state.str;
- state.marker = prev_state.marker;
- } else {
- if (pos >= max) {
- return state;
- }
- let marker = str.charCodeAt(pos);
- if (marker !== 34 /* " */ && marker !== 39 /* ' */ && marker !== 40 /* ( */) {
- return state;
- }
- start++;
- pos++;
- // if opening marker is "(", switch it to closing marker ")"
- if (marker === 40) {
- marker = 41;
- }
- state.marker = marker;
- }
- while (pos < max) {
- code = str.charCodeAt(pos);
- if (code === state.marker) {
- state.pos = pos + 1;
- state.str += unescapeAll(str.slice(start, pos));
- state.ok = true;
- return state;
- } else if (code === 40 /* ( */ && state.marker === 41 /* ) */) {
- return state;
- } else if (code === 92 /* \ */ && pos + 1 < max) {
- pos++;
- }
- pos++;
- }
- // no closing marker found, but this link title may continue on the next line (for references)
- state.can_continue = true;
- state.str += unescapeAll(str.slice(start, pos));
- return state;
- }
- // Just a shortcut for bulk export
- var helpers = Object.freeze({
- __proto__: null,
- parseLinkDestination: parseLinkDestination,
- parseLinkLabel: parseLinkLabel,
- parseLinkTitle: parseLinkTitle
- });
- /**
- * class Renderer
- *
- * Generates HTML from parsed token stream. Each instance has independent
- * copy of rules. Those can be rewritten with ease. Also, you can add new
- * rules if you create plugin and adds new token types.
- **/ const default_rules = {};
- default_rules.code_inline = function(tokens, idx, options, env, slf) {
- const token = tokens[idx];
- return "<code" + slf.renderAttrs(token) + ">" + escapeHtml(token.content) + "</code>";
- };
- default_rules.code_block = function(tokens, idx, options, env, slf) {
- const token = tokens[idx];
- return "<pre" + slf.renderAttrs(token) + "><code>" + escapeHtml(tokens[idx].content) + "</code></pre>\n";
- };
- default_rules.fence = function(tokens, idx, options, env, slf) {
- const token = tokens[idx];
- const info = token.info ? unescapeAll(token.info).trim() : "";
- let langName = "";
- let langAttrs = "";
- if (info) {
- const arr = info.split(/(\s+)/g);
- langName = arr[0];
- langAttrs = arr.slice(2).join("");
- }
- let highlighted;
- if (options.highlight) {
- highlighted = options.highlight(token.content, langName, langAttrs) || escapeHtml(token.content);
- } else {
- highlighted = escapeHtml(token.content);
- }
- if (highlighted.indexOf("<pre") === 0) {
- return highlighted + "\n";
- }
- // If language exists, inject class gently, without modifying original token.
- // May be, one day we will add .deepClone() for token and simplify this part, but
- // now we prefer to keep things local.
- if (info) {
- const i = token.attrIndex("class");
- const tmpAttrs = token.attrs ? token.attrs.slice() : [];
- if (i < 0) {
- tmpAttrs.push([ "class", options.langPrefix + langName ]);
- } else {
- tmpAttrs[i] = tmpAttrs[i].slice();
- tmpAttrs[i][1] += " " + options.langPrefix + langName;
- }
- // Fake token just to render attributes
- const tmpToken = {
- attrs: tmpAttrs
- };
- return `<pre><code${slf.renderAttrs(tmpToken)}>${highlighted}</code></pre>\n`;
- }
- return `<pre><code${slf.renderAttrs(token)}>${highlighted}</code></pre>\n`;
- };
- default_rules.image = function(tokens, idx, options, env, slf) {
- const token = tokens[idx];
- // "alt" attr MUST be set, even if empty. Because it's mandatory and
- // should be placed on proper position for tests.
-
- // Replace content with actual value
- token.attrs[token.attrIndex("alt")][1] = slf.renderInlineAsText(token.children, options, env);
- return slf.renderToken(tokens, idx, options);
- };
- default_rules.hardbreak = function(tokens, idx, options /*, env */) {
- return options.xhtmlOut ? "<br />\n" : "<br>\n";
- };
- default_rules.softbreak = function(tokens, idx, options /*, env */) {
- return options.breaks ? options.xhtmlOut ? "<br />\n" : "<br>\n" : "\n";
- };
- default_rules.text = function(tokens, idx /*, options, env */) {
- return escapeHtml(tokens[idx].content);
- };
- default_rules.html_block = function(tokens, idx /*, options, env */) {
- return tokens[idx].content;
- };
- default_rules.html_inline = function(tokens, idx /*, options, env */) {
- return tokens[idx].content;
- };
- /**
- * new Renderer()
- *
- * Creates new [[Renderer]] instance and fill [[Renderer#rules]] with defaults.
- **/ function Renderer() {
- /**
- * Renderer#rules -> Object
- *
- * Contains render rules for tokens. Can be updated and extended.
- *
- * ##### Example
- *
- * ```javascript
- * var md = require('markdown-it')();
- *
- * md.renderer.rules.strong_open = function () { return '<b>'; };
- * md.renderer.rules.strong_close = function () { return '</b>'; };
- *
- * var result = md.renderInline(...);
- * ```
- *
- * Each rule is called as independent static function with fixed signature:
- *
- * ```javascript
- * function my_token_render(tokens, idx, options, env, renderer) {
- * // ...
- * return renderedHTML;
- * }
- * ```
- *
- * See [source code](https://github.com/markdown-it/markdown-it/blob/master/lib/renderer.mjs)
- * for more details and examples.
- **/
- this.rules = assign$1({}, default_rules);
- }
- /**
- * Renderer.renderAttrs(token) -> String
- *
- * Render token attributes to string.
- **/ Renderer.prototype.renderAttrs = function renderAttrs(token) {
- let i, l, result;
- if (!token.attrs) {
- return "";
- }
- result = "";
- for (i = 0, l = token.attrs.length; i < l; i++) {
- result += " " + escapeHtml(token.attrs[i][0]) + '="' + escapeHtml(token.attrs[i][1]) + '"';
- }
- return result;
- };
- /**
- * Renderer.renderToken(tokens, idx, options) -> String
- * - tokens (Array): list of tokens
- * - idx (Numbed): token index to render
- * - options (Object): params of parser instance
- *
- * Default token renderer. Can be overriden by custom function
- * in [[Renderer#rules]].
- **/ Renderer.prototype.renderToken = function renderToken(tokens, idx, options) {
- const token = tokens[idx];
- let result = "";
- // Tight list paragraphs
- if (token.hidden) {
- return "";
- }
- // Insert a newline between hidden paragraph and subsequent opening
- // block-level tag.
-
- // For example, here we should insert a newline before blockquote:
- // - a
- // >
-
- if (token.block && token.nesting !== -1 && idx && tokens[idx - 1].hidden) {
- result += "\n";
- }
- // Add token name, e.g. `<img`
- result += (token.nesting === -1 ? "</" : "<") + token.tag;
- // Encode attributes, e.g. `<img src="foo"`
- result += this.renderAttrs(token);
- // Add a slash for self-closing tags, e.g. `<img src="foo" /`
- if (token.nesting === 0 && options.xhtmlOut) {
- result += " /";
- }
- // Check if we need to add a newline after this tag
- let needLf = false;
- if (token.block) {
- needLf = true;
- if (token.nesting === 1) {
- if (idx + 1 < tokens.length) {
- const nextToken = tokens[idx + 1];
- if (nextToken.type === "inline" || nextToken.hidden) {
- // Block-level tag containing an inline tag.
- needLf = false;
- } else if (nextToken.nesting === -1 && nextToken.tag === token.tag) {
- // Opening tag + closing tag of the same type. E.g. `<li></li>`.
- needLf = false;
- }
- }
- }
- }
- result += needLf ? ">\n" : ">";
- return result;
- };
- /**
- * Renderer.renderInline(tokens, options, env) -> String
- * - tokens (Array): list on block tokens to render
- * - options (Object): params of parser instance
- * - env (Object): additional data from parsed input (references, for example)
- *
- * The same as [[Renderer.render]], but for single token of `inline` type.
- **/ Renderer.prototype.renderInline = function(tokens, options, env) {
- let result = "";
- const rules = this.rules;
- for (let i = 0, len = tokens.length; i < len; i++) {
- const type = tokens[i].type;
- if (typeof rules[type] !== "undefined") {
- result += rules[type](tokens, i, options, env, this);
- } else {
- result += this.renderToken(tokens, i, options);
- }
- }
- return result;
- };
- /** internal
- * Renderer.renderInlineAsText(tokens, options, env) -> String
- * - tokens (Array): list on block tokens to render
- * - options (Object): params of parser instance
- * - env (Object): additional data from parsed input (references, for example)
- *
- * Special kludge for image `alt` attributes to conform CommonMark spec.
- * Don't try to use it! Spec requires to show `alt` content with stripped markup,
- * instead of simple escaping.
- **/ Renderer.prototype.renderInlineAsText = function(tokens, options, env) {
- let result = "";
- for (let i = 0, len = tokens.length; i < len; i++) {
- switch (tokens[i].type) {
- case "text":
- result += tokens[i].content;
- break;
-
- case "image":
- result += this.renderInlineAsText(tokens[i].children, options, env);
- break;
-
- case "html_inline":
- case "html_block":
- result += tokens[i].content;
- break;
-
- case "softbreak":
- case "hardbreak":
- result += "\n";
- break;
- // all other tokens are skipped
- }
- }
- return result;
- };
- /**
- * Renderer.render(tokens, options, env) -> String
- * - tokens (Array): list on block tokens to render
- * - options (Object): params of parser instance
- * - env (Object): additional data from parsed input (references, for example)
- *
- * Takes token stream and generates HTML. Probably, you will never need to call
- * this method directly.
- **/ Renderer.prototype.render = function(tokens, options, env) {
- let result = "";
- const rules = this.rules;
- for (let i = 0, len = tokens.length; i < len; i++) {
- const type = tokens[i].type;
- if (type === "inline") {
- result += this.renderInline(tokens[i].children, options, env);
- } else if (typeof rules[type] !== "undefined") {
- result += rules[type](tokens, i, options, env, this);
- } else {
- result += this.renderToken(tokens, i, options, env);
- }
- }
- return result;
- };
- /**
- * class Ruler
- *
- * Helper class, used by [[MarkdownIt#core]], [[MarkdownIt#block]] and
- * [[MarkdownIt#inline]] to manage sequences of functions (rules):
- *
- * - keep rules in defined order
- * - assign the name to each rule
- * - enable/disable rules
- * - add/replace rules
- * - allow assign rules to additional named chains (in the same)
- * - cacheing lists of active rules
- *
- * You will not need use this class directly until write plugins. For simple
- * rules control use [[MarkdownIt.disable]], [[MarkdownIt.enable]] and
- * [[MarkdownIt.use]].
- **/
- /**
- * new Ruler()
- **/ function Ruler() {
- // List of added rules. Each element is:
- // {
- // name: XXX,
- // enabled: Boolean,
- // fn: Function(),
- // alt: [ name2, name3 ]
- // }
- this.__rules__ = [];
- // Cached rule chains.
-
- // First level - chain name, '' for default.
- // Second level - diginal anchor for fast filtering by charcodes.
-
- this.__cache__ = null;
- }
- // Helper methods, should not be used directly
- // Find rule index by name
-
- Ruler.prototype.__find__ = function(name) {
- for (let i = 0; i < this.__rules__.length; i++) {
- if (this.__rules__[i].name === name) {
- return i;
- }
- }
- return -1;
- };
- // Build rules lookup cache
-
- Ruler.prototype.__compile__ = function() {
- const self = this;
- const chains = [ "" ];
- // collect unique names
- self.__rules__.forEach((function(rule) {
- if (!rule.enabled) {
- return;
- }
- rule.alt.forEach((function(altName) {
- if (chains.indexOf(altName) < 0) {
- chains.push(altName);
- }
- }));
- }));
- self.__cache__ = {};
- chains.forEach((function(chain) {
- self.__cache__[chain] = [];
- self.__rules__.forEach((function(rule) {
- if (!rule.enabled) {
- return;
- }
- if (chain && rule.alt.indexOf(chain) < 0) {
- return;
- }
- self.__cache__[chain].push(rule.fn);
- }));
- }));
- };
- /**
- * Ruler.at(name, fn [, options])
- * - name (String): rule name to replace.
- * - fn (Function): new rule function.
- * - options (Object): new rule options (not mandatory).
- *
- * Replace rule by name with new function & options. Throws error if name not
- * found.
- *
- * ##### Options:
- *
- * - __alt__ - array with names of "alternate" chains.
- *
- * ##### Example
- *
- * Replace existing typographer replacement rule with new one:
- *
- * ```javascript
- * var md = require('markdown-it')();
- *
- * md.core.ruler.at('replacements', function replace(state) {
- * //...
- * });
- * ```
- **/ Ruler.prototype.at = function(name, fn, options) {
- const index = this.__find__(name);
- const opt = options || {};
- if (index === -1) {
- throw new Error("Parser rule not found: " + name);
- }
- this.__rules__[index].fn = fn;
- this.__rules__[index].alt = opt.alt || [];
- this.__cache__ = null;
- };
- /**
- * Ruler.before(beforeName, ruleName, fn [, options])
- * - beforeName (String): new rule will be added before this one.
- * - ruleName (String): name of added rule.
- * - fn (Function): rule function.
- * - options (Object): rule options (not mandatory).
- *
- * Add new rule to chain before one with given name. See also
- * [[Ruler.after]], [[Ruler.push]].
- *
- * ##### Options:
- *
- * - __alt__ - array with names of "alternate" chains.
- *
- * ##### Example
- *
- * ```javascript
- * var md = require('markdown-it')();
- *
- * md.block.ruler.before('paragraph', 'my_rule', function replace(state) {
- * //...
- * });
- * ```
- **/ Ruler.prototype.before = function(beforeName, ruleName, fn, options) {
- const index = this.__find__(beforeName);
- const opt = options || {};
- if (index === -1) {
- throw new Error("Parser rule not found: " + beforeName);
- }
- this.__rules__.splice(index, 0, {
- name: ruleName,
- enabled: true,
- fn: fn,
- alt: opt.alt || []
- });
- this.__cache__ = null;
- };
- /**
- * Ruler.after(afterName, ruleName, fn [, options])
- * - afterName (String): new rule will be added after this one.
- * - ruleName (String): name of added rule.
- * - fn (Function): rule function.
- * - options (Object): rule options (not mandatory).
- *
- * Add new rule to chain after one with given name. See also
- * [[Ruler.before]], [[Ruler.push]].
- *
- * ##### Options:
- *
- * - __alt__ - array with names of "alternate" chains.
- *
- * ##### Example
- *
- * ```javascript
- * var md = require('markdown-it')();
- *
- * md.inline.ruler.after('text', 'my_rule', function replace(state) {
- * //...
- * });
- * ```
- **/ Ruler.prototype.after = function(afterName, ruleName, fn, options) {
- const index = this.__find__(afterName);
- const opt = options || {};
- if (index === -1) {
- throw new Error("Parser rule not found: " + afterName);
- }
- this.__rules__.splice(index + 1, 0, {
- name: ruleName,
- enabled: true,
- fn: fn,
- alt: opt.alt || []
- });
- this.__cache__ = null;
- };
- /**
- * Ruler.push(ruleName, fn [, options])
- * - ruleName (String): name of added rule.
- * - fn (Function): rule function.
- * - options (Object): rule options (not mandatory).
- *
- * Push new rule to the end of chain. See also
- * [[Ruler.before]], [[Ruler.after]].
- *
- * ##### Options:
- *
- * - __alt__ - array with names of "alternate" chains.
- *
- * ##### Example
- *
- * ```javascript
- * var md = require('markdown-it')();
- *
- * md.core.ruler.push('my_rule', function replace(state) {
- * //...
- * });
- * ```
- **/ Ruler.prototype.push = function(ruleName, fn, options) {
- const opt = options || {};
- this.__rules__.push({
- name: ruleName,
- enabled: true,
- fn: fn,
- alt: opt.alt || []
- });
- this.__cache__ = null;
- };
- /**
- * Ruler.enable(list [, ignoreInvalid]) -> Array
- * - list (String|Array): list of rule names to enable.
- * - ignoreInvalid (Boolean): set `true` to ignore errors when rule not found.
- *
- * Enable rules with given names. If any rule name not found - throw Error.
- * Errors can be disabled by second param.
- *
- * Returns list of found rule names (if no exception happened).
- *
- * See also [[Ruler.disable]], [[Ruler.enableOnly]].
- **/ Ruler.prototype.enable = function(list, ignoreInvalid) {
- if (!Array.isArray(list)) {
- list = [ list ];
- }
- const result = [];
- // Search by name and enable
- list.forEach((function(name) {
- const idx = this.__find__(name);
- if (idx < 0) {
- if (ignoreInvalid) {
- return;
- }
- throw new Error("Rules manager: invalid rule name " + name);
- }
- this.__rules__[idx].enabled = true;
- result.push(name);
- }), this);
- this.__cache__ = null;
- return result;
- };
- /**
- * Ruler.enableOnly(list [, ignoreInvalid])
- * - list (String|Array): list of rule names to enable (whitelist).
- * - ignoreInvalid (Boolean): set `true` to ignore errors when rule not found.
- *
- * Enable rules with given names, and disable everything else. If any rule name
- * not found - throw Error. Errors can be disabled by second param.
- *
- * See also [[Ruler.disable]], [[Ruler.enable]].
- **/ Ruler.prototype.enableOnly = function(list, ignoreInvalid) {
- if (!Array.isArray(list)) {
- list = [ list ];
- }
- this.__rules__.forEach((function(rule) {
- rule.enabled = false;
- }));
- this.enable(list, ignoreInvalid);
- };
- /**
- * Ruler.disable(list [, ignoreInvalid]) -> Array
- * - list (String|Array): list of rule names to disable.
- * - ignoreInvalid (Boolean): set `true` to ignore errors when rule not found.
- *
- * Disable rules with given names. If any rule name not found - throw Error.
- * Errors can be disabled by second param.
- *
- * Returns list of found rule names (if no exception happened).
- *
- * See also [[Ruler.enable]], [[Ruler.enableOnly]].
- **/ Ruler.prototype.disable = function(list, ignoreInvalid) {
- if (!Array.isArray(list)) {
- list = [ list ];
- }
- const result = [];
- // Search by name and disable
- list.forEach((function(name) {
- const idx = this.__find__(name);
- if (idx < 0) {
- if (ignoreInvalid) {
- return;
- }
- throw new Error("Rules manager: invalid rule name " + name);
- }
- this.__rules__[idx].enabled = false;
- result.push(name);
- }), this);
- this.__cache__ = null;
- return result;
- };
- /**
- * Ruler.getRules(chainName) -> Array
- *
- * Return array of active functions (rules) for given chain name. It analyzes
- * rules configuration, compiles caches if not exists and returns result.
- *
- * Default chain name is `''` (empty string). It can't be skipped. That's
- * done intentionally, to keep signature monomorphic for high speed.
- **/ Ruler.prototype.getRules = function(chainName) {
- if (this.__cache__ === null) {
- this.__compile__();
- }
- // Chain can be empty, if rules disabled. But we still have to return Array.
- return this.__cache__[chainName] || [];
- };
- // Token class
- /**
- * class Token
- **/
- /**
- * new Token(type, tag, nesting)
- *
- * Create new token and fill passed properties.
- **/ function Token(type, tag, nesting) {
- /**
- * Token#type -> String
- *
- * Type of the token (string, e.g. "paragraph_open")
- **/
- this.type = type;
- /**
- * Token#tag -> String
- *
- * html tag name, e.g. "p"
- **/ this.tag = tag;
- /**
- * Token#attrs -> Array
- *
- * Html attributes. Format: `[ [ name1, value1 ], [ name2, value2 ] ]`
- **/ this.attrs = null;
- /**
- * Token#map -> Array
- *
- * Source map info. Format: `[ line_begin, line_end ]`
- **/ this.map = null;
- /**
- * Token#nesting -> Number
- *
- * Level change (number in {-1, 0, 1} set), where:
- *
- * - `1` means the tag is opening
- * - `0` means the tag is self-closing
- * - `-1` means the tag is closing
- **/ this.nesting = nesting;
- /**
- * Token#level -> Number
- *
- * nesting level, the same as `state.level`
- **/ this.level = 0;
- /**
- * Token#children -> Array
- *
- * An array of child nodes (inline and img tokens)
- **/ this.children = null;
- /**
- * Token#content -> String
- *
- * In a case of self-closing tag (code, html, fence, etc.),
- * it has contents of this tag.
- **/ this.content = "";
- /**
- * Token#markup -> String
- *
- * '*' or '_' for emphasis, fence string for fence, etc.
- **/ this.markup = "";
- /**
- * Token#info -> String
- *
- * Additional information:
- *
- * - Info string for "fence" tokens
- * - The value "auto" for autolink "link_open" and "link_close" tokens
- * - The string value of the item marker for ordered-list "list_item_open" tokens
- **/ this.info = "";
- /**
- * Token#meta -> Object
- *
- * A place for plugins to store an arbitrary data
- **/ this.meta = null;
- /**
- * Token#block -> Boolean
- *
- * True for block-level tokens, false for inline tokens.
- * Used in renderer to calculate line breaks
- **/ this.block = false;
- /**
- * Token#hidden -> Boolean
- *
- * If it's true, ignore this element when rendering. Used for tight lists
- * to hide paragraphs.
- **/ this.hidden = false;
- }
- /**
- * Token.attrIndex(name) -> Number
- *
- * Search attribute index by name.
- **/ Token.prototype.attrIndex = function attrIndex(name) {
- if (!this.attrs) {
- return -1;
- }
- const attrs = this.attrs;
- for (let i = 0, len = attrs.length; i < len; i++) {
- if (attrs[i][0] === name) {
- return i;
- }
- }
- return -1;
- };
- /**
- * Token.attrPush(attrData)
- *
- * Add `[ name, value ]` attribute to list. Init attrs if necessary
- **/ Token.prototype.attrPush = function attrPush(attrData) {
- if (this.attrs) {
- this.attrs.push(attrData);
- } else {
- this.attrs = [ attrData ];
- }
- };
- /**
- * Token.attrSet(name, value)
- *
- * Set `name` attribute to `value`. Override old value if exists.
- **/ Token.prototype.attrSet = function attrSet(name, value) {
- const idx = this.attrIndex(name);
- const attrData = [ name, value ];
- if (idx < 0) {
- this.attrPush(attrData);
- } else {
- this.attrs[idx] = attrData;
- }
- };
- /**
- * Token.attrGet(name)
- *
- * Get the value of attribute `name`, or null if it does not exist.
- **/ Token.prototype.attrGet = function attrGet(name) {
- const idx = this.attrIndex(name);
- let value = null;
- if (idx >= 0) {
- value = this.attrs[idx][1];
- }
- return value;
- };
- /**
- * Token.attrJoin(name, value)
- *
- * Join value to existing attribute via space. Or create new attribute if not
- * exists. Useful to operate with token classes.
- **/ Token.prototype.attrJoin = function attrJoin(name, value) {
- const idx = this.attrIndex(name);
- if (idx < 0) {
- this.attrPush([ name, value ]);
- } else {
- this.attrs[idx][1] = this.attrs[idx][1] + " " + value;
- }
- };
- // Core state object
-
- function StateCore(src, md, env) {
- this.src = src;
- this.env = env;
- this.tokens = [];
- this.inlineMode = false;
- this.md = md;
- // link to parser instance
- }
- // re-export Token class to use in core rules
- StateCore.prototype.Token = Token;
- // Normalize input string
- // https://spec.commonmark.org/0.29/#line-ending
- const NEWLINES_RE = /\r\n?|\n/g;
- const NULL_RE = /\0/g;
- function normalize(state) {
- let str;
- // Normalize newlines
- str = state.src.replace(NEWLINES_RE, "\n");
- // Replace NULL characters
- str = str.replace(NULL_RE, "\ufffd");
- state.src = str;
- }
- function block(state) {
- let token;
- if (state.inlineMode) {
- token = new state.Token("inline", "", 0);
- token.content = state.src;
- token.map = [ 0, 1 ];
- token.children = [];
- state.tokens.push(token);
- } else {
- state.md.block.parse(state.src, state.md, state.env, state.tokens);
- }
- }
- function inline(state) {
- const tokens = state.tokens;
- // Parse inlines
- for (let i = 0, l = tokens.length; i < l; i++) {
- const tok = tokens[i];
- if (tok.type === "inline") {
- state.md.inline.parse(tok.content, state.md, state.env, tok.children);
- }
- }
- }
- // Replace link-like texts with link nodes.
-
- // Currently restricted by `md.validateLink()` to http/https/ftp
-
- function isLinkOpen$1(str) {
- return /^<a[>\s]/i.test(str);
- }
- function isLinkClose$1(str) {
- return /^<\/a\s*>/i.test(str);
- }
- function linkify$1(state) {
- const blockTokens = state.tokens;
- if (!state.md.options.linkify) {
- return;
- }
- for (let j = 0, l = blockTokens.length; j < l; j++) {
- if (blockTokens[j].type !== "inline" || !state.md.linkify.pretest(blockTokens[j].content)) {
- continue;
- }
- let tokens = blockTokens[j].children;
- let htmlLinkLevel = 0;
- // We scan from the end, to keep position when new tags added.
- // Use reversed logic in links start/end match
- for (let i = tokens.length - 1; i >= 0; i--) {
- const currentToken = tokens[i];
- // Skip content of markdown links
- if (currentToken.type === "link_close") {
- i--;
- while (tokens[i].level !== currentToken.level && tokens[i].type !== "link_open") {
- i--;
- }
- continue;
- }
- // Skip content of html tag links
- if (currentToken.type === "html_inline") {
- if (isLinkOpen$1(currentToken.content) && htmlLinkLevel > 0) {
- htmlLinkLevel--;
- }
- if (isLinkClose$1(currentToken.content)) {
- htmlLinkLevel++;
- }
- }
- if (htmlLinkLevel > 0) {
- continue;
- }
- if (currentToken.type === "text" && state.md.linkify.test(currentToken.content)) {
- const text = currentToken.content;
- let links = state.md.linkify.match(text);
- // Now split string to nodes
- const nodes = [];
- let level = currentToken.level;
- let lastPos = 0;
- // forbid escape sequence at the start of the string,
- // this avoids http\://example.com/ from being linkified as
- // http:<a href="//example.com/">//example.com/</a>
- if (links.length > 0 && links[0].index === 0 && i > 0 && tokens[i - 1].type === "text_special") {
- links = links.slice(1);
- }
- for (let ln = 0; ln < links.length; ln++) {
- const url = links[ln].url;
- const fullUrl = state.md.normalizeLink(url);
- if (!state.md.validateLink(fullUrl)) {
- continue;
- }
- let urlText = links[ln].text;
- // Linkifier might send raw hostnames like "example.com", where url
- // starts with domain name. So we prepend http:// in those cases,
- // and remove it afterwards.
-
- if (!links[ln].schema) {
- urlText = state.md.normalizeLinkText("http://" + urlText).replace(/^http:\/\//, "");
- } else if (links[ln].schema === "mailto:" && !/^mailto:/i.test(urlText)) {
- urlText = state.md.normalizeLinkText("mailto:" + urlText).replace(/^mailto:/, "");
- } else {
- urlText = state.md.normalizeLinkText(urlText);
- }
- const pos = links[ln].index;
- if (pos > lastPos) {
- const token = new state.Token("text", "", 0);
- token.content = text.slice(lastPos, pos);
- token.level = level;
- nodes.push(token);
- }
- const token_o = new state.Token("link_open", "a", 1);
- token_o.attrs = [ [ "href", fullUrl ] ];
- token_o.level = level++;
- token_o.markup = "linkify";
- token_o.info = "auto";
- nodes.push(token_o);
- const token_t = new state.Token("text", "", 0);
- token_t.content = urlText;
- token_t.level = level;
- nodes.push(token_t);
- const token_c = new state.Token("link_close", "a", -1);
- token_c.level = --level;
- token_c.markup = "linkify";
- token_c.info = "auto";
- nodes.push(token_c);
- lastPos = links[ln].lastIndex;
- }
- if (lastPos < text.length) {
- const token = new state.Token("text", "", 0);
- token.content = text.slice(lastPos);
- token.level = level;
- nodes.push(token);
- }
- // replace current node
- blockTokens[j].children = tokens = arrayReplaceAt(tokens, i, nodes);
- }
- }
- }
- }
- // Simple typographic replacements
-
- // (c) (C) → ©
- // (tm) (TM) → ™
- // (r) (R) → ®
- // +- → ±
- // ... → … (also ?.... → ?.., !.... → !..)
- // ???????? → ???, !!!!! → !!!, `,,` → `,`
- // -- → &ndash;, --- → &mdash;
-
- // TODO:
- // - fractionals 1/2, 1/4, 3/4 -> ½, ¼, ¾
- // - multiplications 2 x 4 -> 2 × 4
- const RARE_RE = /\+-|\.\.|\?\?\?\?|!!!!|,,|--/;
- // Workaround for phantomjs - need regex without /g flag,
- // or root check will fail every second time
- const SCOPED_ABBR_TEST_RE = /\((c|tm|r)\)/i;
- const SCOPED_ABBR_RE = /\((c|tm|r)\)/gi;
- const SCOPED_ABBR = {
- c: "\xa9",
- r: "\xae",
- tm: "\u2122"
- };
- function replaceFn(match, name) {
- return SCOPED_ABBR[name.toLowerCase()];
- }
- function replace_scoped(inlineTokens) {
- let inside_autolink = 0;
- for (let i = inlineTokens.length - 1; i >= 0; i--) {
- const token = inlineTokens[i];
- if (token.type === "text" && !inside_autolink) {
- token.content = token.content.replace(SCOPED_ABBR_RE, replaceFn);
- }
- if (token.type === "link_open" && token.info === "auto") {
- inside_autolink--;
- }
- if (token.type === "link_close" && token.info === "auto") {
- inside_autolink++;
- }
- }
- }
- function replace_rare(inlineTokens) {
- let inside_autolink = 0;
- for (let i = inlineTokens.length - 1; i >= 0; i--) {
- const token = inlineTokens[i];
- if (token.type === "text" && !inside_autolink) {
- if (RARE_RE.test(token.content)) {
- token.content = token.content.replace(/\+-/g, "\xb1").replace(/\.{2,}/g, "\u2026").replace(/([?!])\u2026/g, "$1..").replace(/([?!]){4,}/g, "$1$1$1").replace(/,{2,}/g, ",").replace(/(^|[^-])---(?=[^-]|$)/gm, "$1\u2014").replace(/(^|\s)--(?=\s|$)/gm, "$1\u2013").replace(/(^|[^-\s])--(?=[^-\s]|$)/gm, "$1\u2013");
- }
- }
- if (token.type === "link_open" && token.info === "auto") {
- inside_autolink--;
- }
- if (token.type === "link_close" && token.info === "auto") {
- inside_autolink++;
- }
- }
- }
- function replace(state) {
- let blkIdx;
- if (!state.md.options.typographer) {
- return;
- }
- for (blkIdx = state.tokens.length - 1; blkIdx >= 0; blkIdx--) {
- if (state.tokens[blkIdx].type !== "inline") {
- continue;
- }
- if (SCOPED_ABBR_TEST_RE.test(state.tokens[blkIdx].content)) {
- replace_scoped(state.tokens[blkIdx].children);
- }
- if (RARE_RE.test(state.tokens[blkIdx].content)) {
- replace_rare(state.tokens[blkIdx].children);
- }
- }
- }
- // Convert straight quotation marks to typographic ones
-
- const QUOTE_TEST_RE = /['"]/;
- const QUOTE_RE = /['"]/g;
- const APOSTROPHE = "\u2019";
- /* ’ */ function replaceAt(str, index, ch) {
- return str.slice(0, index) + ch + str.slice(index + 1);
- }
- function process_inlines(tokens, state) {
- let j;
- const stack = [];
- for (let i = 0; i < tokens.length; i++) {
- const token = tokens[i];
- const thisLevel = tokens[i].level;
- for (j = stack.length - 1; j >= 0; j--) {
- if (stack[j].level <= thisLevel) {
- break;
- }
- }
- stack.length = j + 1;
- if (token.type !== "text") {
- continue;
- }
- let text = token.content;
- let pos = 0;
- let max = text.length;
- /* eslint no-labels:0,block-scoped-var:0 */ OUTER: while (pos < max) {
- QUOTE_RE.lastIndex = pos;
- const t = QUOTE_RE.exec(text);
- if (!t) {
- break;
- }
- let canOpen = true;
- let canClose = true;
- pos = t.index + 1;
- const isSingle = t[0] === "'";
- // Find previous character,
- // default to space if it's the beginning of the line
-
- let lastChar = 32;
- if (t.index - 1 >= 0) {
- lastChar = text.charCodeAt(t.index - 1);
- } else {
- for (j = i - 1; j >= 0; j--) {
- if (tokens[j].type === "softbreak" || tokens[j].type === "hardbreak") break;
- // lastChar defaults to 0x20
- if (!tokens[j].content) continue;
- // should skip all tokens except 'text', 'html_inline' or 'code_inline'
- lastChar = tokens[j].content.charCodeAt(tokens[j].content.length - 1);
- break;
- }
- }
- // Find next character,
- // default to space if it's the end of the line
-
- let nextChar = 32;
- if (pos < max) {
- nextChar = text.charCodeAt(pos);
- } else {
- for (j = i + 1; j < tokens.length; j++) {
- if (tokens[j].type === "softbreak" || tokens[j].type === "hardbreak") break;
- // nextChar defaults to 0x20
- if (!tokens[j].content) continue;
- // should skip all tokens except 'text', 'html_inline' or 'code_inline'
- nextChar = tokens[j].content.charCodeAt(0);
- break;
- }
- }
- const isLastPunctChar = isMdAsciiPunct(lastChar) || isPunctChar(String.fromCharCode(lastChar));
- const isNextPunctChar = isMdAsciiPunct(nextChar) || isPunctChar(String.fromCharCode(nextChar));
- const isLastWhiteSpace = isWhiteSpace(lastChar);
- const isNextWhiteSpace = isWhiteSpace(nextChar);
- if (isNextWhiteSpace) {
- canOpen = false;
- } else if (isNextPunctChar) {
- if (!(isLastWhiteSpace || isLastPunctChar)) {
- canOpen = false;
- }
- }
- if (isLastWhiteSpace) {
- canClose = false;
- } else if (isLastPunctChar) {
- if (!(isNextWhiteSpace || isNextPunctChar)) {
- canClose = false;
- }
- }
- if (nextChar === 34 /* " */ && t[0] === '"') {
- if (lastChar >= 48 /* 0 */ && lastChar <= 57 /* 9 */) {
- // special case: 1"" - count first quote as an inch
- canClose = canOpen = false;
- }
- }
- if (canOpen && canClose) {
- // Replace quotes in the middle of punctuation sequence, but not
- // in the middle of the words, i.e.:
- // 1. foo " bar " baz - not replaced
- // 2. foo-"-bar-"-baz - replaced
- // 3. foo"bar"baz - not replaced
- canOpen = isLastPunctChar;
- canClose = isNextPunctChar;
- }
- if (!canOpen && !canClose) {
- // middle of word
- if (isSingle) {
- token.content = replaceAt(token.content, t.index, APOSTROPHE);
- }
- continue;
- }
- if (canClose) {
- // this could be a closing quote, rewind the stack to get a match
- for (j = stack.length - 1; j >= 0; j--) {
- let item = stack[j];
- if (stack[j].level < thisLevel) {
- break;
- }
- if (item.single === isSingle && stack[j].level === thisLevel) {
- item = stack[j];
- let openQuote;
- let closeQuote;
- if (isSingle) {
- openQuote = state.md.options.quotes[2];
- closeQuote = state.md.options.quotes[3];
- } else {
- openQuote = state.md.options.quotes[0];
- closeQuote = state.md.options.quotes[1];
- }
- // replace token.content *before* tokens[item.token].content,
- // because, if they are pointing at the same token, replaceAt
- // could mess up indices when quote length != 1
- token.content = replaceAt(token.content, t.index, closeQuote);
- tokens[item.token].content = replaceAt(tokens[item.token].content, item.pos, openQuote);
- pos += closeQuote.length - 1;
- if (item.token === i) {
- pos += openQuote.length - 1;
- }
- text = token.content;
- max = text.length;
- stack.length = j;
- continue OUTER;
- }
- }
- }
- if (canOpen) {
- stack.push({
- token: i,
- pos: t.index,
- single: isSingle,
- level: thisLevel
- });
- } else if (canClose && isSingle) {
- token.content = replaceAt(token.content, t.index, APOSTROPHE);
- }
- }
- }
- }
- function smartquotes(state) {
- /* eslint max-depth:0 */
- if (!state.md.options.typographer) {
- return;
- }
- for (let blkIdx = state.tokens.length - 1; blkIdx >= 0; blkIdx--) {
- if (state.tokens[blkIdx].type !== "inline" || !QUOTE_TEST_RE.test(state.tokens[blkIdx].content)) {
- continue;
- }
- process_inlines(state.tokens[blkIdx].children, state);
- }
- }
- // Join raw text tokens with the rest of the text
-
- // This is set as a separate rule to provide an opportunity for plugins
- // to run text replacements after text join, but before escape join.
-
- // For example, `\:)` shouldn't be replaced with an emoji.
-
- function text_join(state) {
- let curr, last;
- const blockTokens = state.tokens;
- const l = blockTokens.length;
- for (let j = 0; j < l; j++) {
- if (blockTokens[j].type !== "inline") continue;
- const tokens = blockTokens[j].children;
- const max = tokens.length;
- for (curr = 0; curr < max; curr++) {
- if (tokens[curr].type === "text_special") {
- tokens[curr].type = "text";
- }
- }
- for (curr = last = 0; curr < max; curr++) {
- if (tokens[curr].type === "text" && curr + 1 < max && tokens[curr + 1].type === "text") {
- // collapse two adjacent text nodes
- tokens[curr + 1].content = tokens[curr].content + tokens[curr + 1].content;
- } else {
- if (curr !== last) {
- tokens[last] = tokens[curr];
- }
- last++;
- }
- }
- if (curr !== last) {
- tokens.length = last;
- }
- }
- }
- /** internal
- * class Core
- *
- * Top-level rules executor. Glues block/inline parsers and does intermediate
- * transformations.
- **/ const _rules$2 = [ [ "normalize", normalize ], [ "block", block ], [ "inline", inline ], [ "linkify", linkify$1 ], [ "replacements", replace ], [ "smartquotes", smartquotes ],
- // `text_join` finds `text_special` tokens (for escape sequences)
- // and joins them with the rest of the text
- [ "text_join", text_join ] ];
- /**
- * new Core()
- **/ function Core() {
- /**
- * Core#ruler -> Ruler
- *
- * [[Ruler]] instance. Keep configuration of core rules.
- **/
- this.ruler = new Ruler;
- for (let i = 0; i < _rules$2.length; i++) {
- this.ruler.push(_rules$2[i][0], _rules$2[i][1]);
- }
- }
- /**
- * Core.process(state)
- *
- * Executes core chain rules.
- **/ Core.prototype.process = function(state) {
- const rules = this.ruler.getRules("");
- for (let i = 0, l = rules.length; i < l; i++) {
- rules[i](state);
- }
- };
- Core.prototype.State = StateCore;
- // Parser state class
- function StateBlock(src, md, env, tokens) {
- this.src = src;
- // link to parser instance
- this.md = md;
- this.env = env;
-
- // Internal state vartiables
-
- this.tokens = tokens;
- this.bMarks = [];
- // line begin offsets for fast jumps
- this.eMarks = [];
- // line end offsets for fast jumps
- this.tShift = [];
- // offsets of the first non-space characters (tabs not expanded)
- this.sCount = [];
- // indents for each line (tabs expanded)
- // An amount of virtual spaces (tabs expanded) between beginning
- // of each line (bMarks) and real beginning of that line.
-
- // It exists only as a hack because blockquotes override bMarks
- // losing information in the process.
-
- // It's used only when expanding tabs, you can think about it as
- // an initial tab length, e.g. bsCount=21 applied to string `\t123`
- // means first tab should be expanded to 4-21%4 === 3 spaces.
-
- this.bsCount = [];
- // block parser variables
- // required block content indent (for example, if we are
- // inside a list, it would be positioned after list marker)
- this.blkIndent = 0;
- this.line = 0;
- // line index in src
- this.lineMax = 0;
- // lines count
- this.tight = false;
- // loose/tight mode for lists
- this.ddIndent = -1;
- // indent of the current dd block (-1 if there isn't any)
- this.listIndent = -1;
- // indent of the current list block (-1 if there isn't any)
- // can be 'blockquote', 'list', 'root', 'paragraph' or 'reference'
- // used in lists to determine if they interrupt a paragraph
- this.parentType = "root";
- this.level = 0;
- // Create caches
- // Generate markers.
- const s = this.src;
- for (let start = 0, pos = 0, indent = 0, offset = 0, len = s.length, indent_found = false; pos < len; pos++) {
- const ch = s.charCodeAt(pos);
- if (!indent_found) {
- if (isSpace(ch)) {
- indent++;
- if (ch === 9) {
- offset += 4 - offset % 4;
- } else {
- offset++;
- }
- continue;
- } else {
- indent_found = true;
- }
- }
- if (ch === 10 || pos === len - 1) {
- if (ch !== 10) {
- pos++;
- }
- this.bMarks.push(start);
- this.eMarks.push(pos);
- this.tShift.push(indent);
- this.sCount.push(offset);
- this.bsCount.push(0);
- indent_found = false;
- indent = 0;
- offset = 0;
- start = pos + 1;
- }
- }
- // Push fake entry to simplify cache bounds checks
- this.bMarks.push(s.length);
- this.eMarks.push(s.length);
- this.tShift.push(0);
- this.sCount.push(0);
- this.bsCount.push(0);
- this.lineMax = this.bMarks.length - 1;
- // don't count last fake line
- }
- // Push new token to "stream".
-
- StateBlock.prototype.push = function(type, tag, nesting) {
- const token = new Token(type, tag, nesting);
- token.block = true;
- if (nesting < 0) this.level--;
- // closing tag
- token.level = this.level;
- if (nesting > 0) this.level++;
- // opening tag
- this.tokens.push(token);
- return token;
- };
- StateBlock.prototype.isEmpty = function isEmpty(line) {
- return this.bMarks[line] + this.tShift[line] >= this.eMarks[line];
- };
- StateBlock.prototype.skipEmptyLines = function skipEmptyLines(from) {
- for (let max = this.lineMax; from < max; from++) {
- if (this.bMarks[from] + this.tShift[from] < this.eMarks[from]) {
- break;
- }
- }
- return from;
- };
- // Skip spaces from given position.
- StateBlock.prototype.skipSpaces = function skipSpaces(pos) {
- for (let max = this.src.length; pos < max; pos++) {
- const ch = this.src.charCodeAt(pos);
- if (!isSpace(ch)) {
- break;
- }
- }
- return pos;
- };
- // Skip spaces from given position in reverse.
- StateBlock.prototype.skipSpacesBack = function skipSpacesBack(pos, min) {
- if (pos <= min) {
- return pos;
- }
- while (pos > min) {
- if (!isSpace(this.src.charCodeAt(--pos))) {
- return pos + 1;
- }
- }
- return pos;
- };
- // Skip char codes from given position
- StateBlock.prototype.skipChars = function skipChars(pos, code) {
- for (let max = this.src.length; pos < max; pos++) {
- if (this.src.charCodeAt(pos) !== code) {
- break;
- }
- }
- return pos;
- };
- // Skip char codes reverse from given position - 1
- StateBlock.prototype.skipCharsBack = function skipCharsBack(pos, code, min) {
- if (pos <= min) {
- return pos;
- }
- while (pos > min) {
- if (code !== this.src.charCodeAt(--pos)) {
- return pos + 1;
- }
- }
- return pos;
- };
- // cut lines range from source.
- StateBlock.prototype.getLines = function getLines(begin, end, indent, keepLastLF) {
- if (begin >= end) {
- return "";
- }
- const queue = new Array(end - begin);
- for (let i = 0, line = begin; line < end; line++, i++) {
- let lineIndent = 0;
- const lineStart = this.bMarks[line];
- let first = lineStart;
- let last;
- if (line + 1 < end || keepLastLF) {
- // No need for bounds check because we have fake entry on tail.
- last = this.eMarks[line] + 1;
- } else {
- last = this.eMarks[line];
- }
- while (first < last && lineIndent < indent) {
- const ch = this.src.charCodeAt(first);
- if (isSpace(ch)) {
- if (ch === 9) {
- lineIndent += 4 - (lineIndent + this.bsCount[line]) % 4;
- } else {
- lineIndent++;
- }
- } else if (first - lineStart < this.tShift[line]) {
- // patched tShift masked characters to look like spaces (blockquotes, list markers)
- lineIndent++;
- } else {
- break;
- }
- first++;
- }
- if (lineIndent > indent) {
- // partially expanding tabs in code blocks, e.g '\t\tfoobar'
- // with indent=2 becomes ' \tfoobar'
- queue[i] = new Array(lineIndent - indent + 1).join(" ") + this.src.slice(first, last);
- } else {
- queue[i] = this.src.slice(first, last);
- }
- }
- return queue.join("");
- };
- // re-export Token class to use in block rules
- StateBlock.prototype.Token = Token;
- // GFM table, https://github.github.com/gfm/#tables-extension-
- // Limit the amount of empty autocompleted cells in a table,
- // see https://github.com/markdown-it/markdown-it/issues/1000,
-
- // Both pulldown-cmark and commonmark-hs limit the number of cells this way to ~200k.
- // We set it to 65k, which can expand user input by a factor of x370
- // (256x256 square is 1.8kB expanded into 650kB).
- const MAX_AUTOCOMPLETED_CELLS = 65536;
- function getLine(state, line) {
- const pos = state.bMarks[line] + state.tShift[line];
- const max = state.eMarks[line];
- return state.src.slice(pos, max);
- }
- function escapedSplit(str) {
- const result = [];
- const max = str.length;
- let pos = 0;
- let ch = str.charCodeAt(pos);
- let isEscaped = false;
- let lastPos = 0;
- let current = "";
- while (pos < max) {
- if (ch === 124 /* | */) {
- if (!isEscaped) {
- // pipe separating cells, '|'
- result.push(current + str.substring(lastPos, pos));
- current = "";
- lastPos = pos + 1;
- } else {
- // escaped pipe, '\|'
- current += str.substring(lastPos, pos - 1);
- lastPos = pos;
- }
- }
- isEscaped = ch === 92 /* \ */;
- pos++;
- ch = str.charCodeAt(pos);
- }
- result.push(current + str.substring(lastPos));
- return result;
- }
- function table(state, startLine, endLine, silent) {
- // should have at least two lines
- if (startLine + 2 > endLine) {
- return false;
- }
- let nextLine = startLine + 1;
- if (state.sCount[nextLine] < state.blkIndent) {
- return false;
- }
- // if it's indented more than 3 spaces, it should be a code block
- if (state.sCount[nextLine] - state.blkIndent >= 4) {
- return false;
- }
- // first character of the second line should be '|', '-', ':',
- // and no other characters are allowed but spaces;
- // basically, this is the equivalent of /^[-:|][-:|\s]*$/ regexp
- let pos = state.bMarks[nextLine] + state.tShift[nextLine];
- if (pos >= state.eMarks[nextLine]) {
- return false;
- }
- const firstCh = state.src.charCodeAt(pos++);
- if (firstCh !== 124 /* | */ && firstCh !== 45 /* - */ && firstCh !== 58 /* : */) {
- return false;
- }
- if (pos >= state.eMarks[nextLine]) {
- return false;
- }
- const secondCh = state.src.charCodeAt(pos++);
- if (secondCh !== 124 /* | */ && secondCh !== 45 /* - */ && secondCh !== 58 /* : */ && !isSpace(secondCh)) {
- return false;
- }
- // if first character is '-', then second character must not be a space
- // (due to parsing ambiguity with list)
- if (firstCh === 45 /* - */ && isSpace(secondCh)) {
- return false;
- }
- while (pos < state.eMarks[nextLine]) {
- const ch = state.src.charCodeAt(pos);
- if (ch !== 124 /* | */ && ch !== 45 /* - */ && ch !== 58 /* : */ && !isSpace(ch)) {
- return false;
- }
- pos++;
- }
- let lineText = getLine(state, startLine + 1);
- let columns = lineText.split("|");
- const aligns = [];
- for (let i = 0; i < columns.length; i++) {
- const t = columns[i].trim();
- if (!t) {
- // allow empty columns before and after table, but not in between columns;
- // e.g. allow ` |---| `, disallow ` ---||--- `
- if (i === 0 || i === columns.length - 1) {
- continue;
- } else {
- return false;
- }
- }
- if (!/^:?-+:?$/.test(t)) {
- return false;
- }
- if (t.charCodeAt(t.length - 1) === 58 /* : */) {
- aligns.push(t.charCodeAt(0) === 58 /* : */ ? "center" : "right");
- } else if (t.charCodeAt(0) === 58 /* : */) {
- aligns.push("left");
- } else {
- aligns.push("");
- }
- }
- lineText = getLine(state, startLine).trim();
- if (lineText.indexOf("|") === -1) {
- return false;
- }
- if (state.sCount[startLine] - state.blkIndent >= 4) {
- return false;
- }
- columns = escapedSplit(lineText);
- if (columns.length && columns[0] === "") columns.shift();
- if (columns.length && columns[columns.length - 1] === "") columns.pop();
- // header row will define an amount of columns in the entire table,
- // and align row should be exactly the same (the rest of the rows can differ)
- const columnCount = columns.length;
- if (columnCount === 0 || columnCount !== aligns.length) {
- return false;
- }
- if (silent) {
- return true;
- }
- const oldParentType = state.parentType;
- state.parentType = "table";
- // use 'blockquote' lists for termination because it's
- // the most similar to tables
- const terminatorRules = state.md.block.ruler.getRules("blockquote");
- const token_to = state.push("table_open", "table", 1);
- const tableLines = [ startLine, 0 ];
- token_to.map = tableLines;
- const token_tho = state.push("thead_open", "thead", 1);
- token_tho.map = [ startLine, startLine + 1 ];
- const token_htro = state.push("tr_open", "tr", 1);
- token_htro.map = [ startLine, startLine + 1 ];
- for (let i = 0; i < columns.length; i++) {
- const token_ho = state.push("th_open", "th", 1);
- if (aligns[i]) {
- token_ho.attrs = [ [ "style", "text-align:" + aligns[i] ] ];
- }
- const token_il = state.push("inline", "", 0);
- token_il.content = columns[i].trim();
- token_il.children = [];
- state.push("th_close", "th", -1);
- }
- state.push("tr_close", "tr", -1);
- state.push("thead_close", "thead", -1);
- let tbodyLines;
- let autocompletedCells = 0;
- for (nextLine = startLine + 2; nextLine < endLine; nextLine++) {
- if (state.sCount[nextLine] < state.blkIndent) {
- break;
- }
- let terminate = false;
- for (let i = 0, l = terminatorRules.length; i < l; i++) {
- if (terminatorRules[i](state, nextLine, endLine, true)) {
- terminate = true;
- break;
- }
- }
- if (terminate) {
- break;
- }
- lineText = getLine(state, nextLine).trim();
- if (!lineText) {
- break;
- }
- if (state.sCount[nextLine] - state.blkIndent >= 4) {
- break;
- }
- columns = escapedSplit(lineText);
- if (columns.length && columns[0] === "") columns.shift();
- if (columns.length && columns[columns.length - 1] === "") columns.pop();
- // note: autocomplete count can be negative if user specifies more columns than header,
- // but that does not affect intended use (which is limiting expansion)
- autocompletedCells += columnCount - columns.length;
- if (autocompletedCells > MAX_AUTOCOMPLETED_CELLS) {
- break;
- }
- if (nextLine === startLine + 2) {
- const token_tbo = state.push("tbody_open", "tbody", 1);
- token_tbo.map = tbodyLines = [ startLine + 2, 0 ];
- }
- const token_tro = state.push("tr_open", "tr", 1);
- token_tro.map = [ nextLine, nextLine + 1 ];
- for (let i = 0; i < columnCount; i++) {
- const token_tdo = state.push("td_open", "td", 1);
- if (aligns[i]) {
- token_tdo.attrs = [ [ "style", "text-align:" + aligns[i] ] ];
- }
- const token_il = state.push("inline", "", 0);
- token_il.content = columns[i] ? columns[i].trim() : "";
- token_il.children = [];
- state.push("td_close", "td", -1);
- }
- state.push("tr_close", "tr", -1);
- }
- if (tbodyLines) {
- state.push("tbody_close", "tbody", -1);
- tbodyLines[1] = nextLine;
- }
- state.push("table_close", "table", -1);
- tableLines[1] = nextLine;
- state.parentType = oldParentType;
- state.line = nextLine;
- return true;
- }
- // Code block (4 spaces padded)
- function code(state, startLine, endLine /*, silent */) {
- if (state.sCount[startLine] - state.blkIndent < 4) {
- return false;
- }
- let nextLine = startLine + 1;
- let last = nextLine;
- while (nextLine < endLine) {
- if (state.isEmpty(nextLine)) {
- nextLine++;
- continue;
- }
- if (state.sCount[nextLine] - state.blkIndent >= 4) {
- nextLine++;
- last = nextLine;
- continue;
- }
- break;
- }
- state.line = last;
- const token = state.push("code_block", "code", 0);
- token.content = state.getLines(startLine, last, 4 + state.blkIndent, false) + "\n";
- token.map = [ startLine, state.line ];
- return true;
- }
- // fences (``` lang, ~~~ lang)
- function fence(state, startLine, endLine, silent) {
- let pos = state.bMarks[startLine] + state.tShift[startLine];
- let max = state.eMarks[startLine];
- // if it's indented more than 3 spaces, it should be a code block
- if (state.sCount[startLine] - state.blkIndent >= 4) {
- return false;
- }
- if (pos + 3 > max) {
- return false;
- }
- const marker = state.src.charCodeAt(pos);
- if (marker !== 126 /* ~ */ && marker !== 96 /* ` */) {
- return false;
- }
- // scan marker length
- let mem = pos;
- pos = state.skipChars(pos, marker);
- let len = pos - mem;
- if (len < 3) {
- return false;
- }
- const markup = state.src.slice(mem, pos);
- const params = state.src.slice(pos, max);
- if (marker === 96 /* ` */) {
- if (params.indexOf(String.fromCharCode(marker)) >= 0) {
- return false;
- }
- }
- // Since start is found, we can report success here in validation mode
- if (silent) {
- return true;
- }
- // search end of block
- let nextLine = startLine;
- let haveEndMarker = false;
- for (;;) {
- nextLine++;
- if (nextLine >= endLine) {
- // unclosed block should be autoclosed by end of document.
- // also block seems to be autoclosed by end of parent
- break;
- }
- pos = mem = state.bMarks[nextLine] + state.tShift[nextLine];
- max = state.eMarks[nextLine];
- if (pos < max && state.sCount[nextLine] < state.blkIndent) {
- // non-empty line with negative indent should stop the list:
- // - ```
- // test
- break;
- }
- if (state.src.charCodeAt(pos) !== marker) {
- continue;
- }
- if (state.sCount[nextLine] - state.blkIndent >= 4) {
- // closing fence should be indented less than 4 spaces
- continue;
- }
- pos = state.skipChars(pos, marker);
- // closing code fence must be at least as long as the opening one
- if (pos - mem < len) {
- continue;
- }
- // make sure tail has spaces only
- pos = state.skipSpaces(pos);
- if (pos < max) {
- continue;
- }
- haveEndMarker = true;
- // found!
- break;
- }
- // If a fence has heading spaces, they should be removed from its inner block
- len = state.sCount[startLine];
- state.line = nextLine + (haveEndMarker ? 1 : 0);
- const token = state.push("fence", "code", 0);
- token.info = params;
- token.content = state.getLines(startLine + 1, nextLine, len, true);
- token.markup = markup;
- token.map = [ startLine, state.line ];
- return true;
- }
- // Block quotes
- function blockquote(state, startLine, endLine, silent) {
- let pos = state.bMarks[startLine] + state.tShift[startLine];
- let max = state.eMarks[startLine];
- const oldLineMax = state.lineMax;
- // if it's indented more than 3 spaces, it should be a code block
- if (state.sCount[startLine] - state.blkIndent >= 4) {
- return false;
- }
- // check the block quote marker
- if (state.src.charCodeAt(pos) !== 62 /* > */) {
- return false;
- }
- // we know that it's going to be a valid blockquote,
- // so no point trying to find the end of it in silent mode
- if (silent) {
- return true;
- }
- const oldBMarks = [];
- const oldBSCount = [];
- const oldSCount = [];
- const oldTShift = [];
- const terminatorRules = state.md.block.ruler.getRules("blockquote");
- const oldParentType = state.parentType;
- state.parentType = "blockquote";
- let lastLineEmpty = false;
- let nextLine;
- // Search the end of the block
-
- // Block ends with either:
- // 1. an empty line outside:
- // ```
- // > test
-
- // ```
- // 2. an empty line inside:
- // ```
- // >
- // test
- // ```
- // 3. another tag:
- // ```
- // > test
- // - - -
- // ```
- for (nextLine = startLine; nextLine < endLine; nextLine++) {
- // check if it's outdented, i.e. it's inside list item and indented
- // less than said list item:
- // ```
- // 1. anything
- // > current blockquote
- // 2. checking this line
- // ```
- const isOutdented = state.sCount[nextLine] < state.blkIndent;
- pos = state.bMarks[nextLine] + state.tShift[nextLine];
- max = state.eMarks[nextLine];
- if (pos >= max) {
- // Case 1: line is not inside the blockquote, and this line is empty.
- break;
- }
- if (state.src.charCodeAt(pos++) === 62 /* > */ && !isOutdented) {
- // This line is inside the blockquote.
- // set offset past spaces and ">"
- let initial = state.sCount[nextLine] + 1;
- let spaceAfterMarker;
- let adjustTab;
- // skip one optional space after '>'
- if (state.src.charCodeAt(pos) === 32 /* space */) {
- // ' > test '
- // ^ -- position start of line here:
- pos++;
- initial++;
- adjustTab = false;
- spaceAfterMarker = true;
- } else if (state.src.charCodeAt(pos) === 9 /* tab */) {
- spaceAfterMarker = true;
- if ((state.bsCount[nextLine] + initial) % 4 === 3) {
- // ' >\t test '
- // ^ -- position start of line here (tab has width===1)
- pos++;
- initial++;
- adjustTab = false;
- } else {
- // ' >\t test '
- // ^ -- position start of line here + shift bsCount slightly
- // to make extra space appear
- adjustTab = true;
- }
- } else {
- spaceAfterMarker = false;
- }
- let offset = initial;
- oldBMarks.push(state.bMarks[nextLine]);
- state.bMarks[nextLine] = pos;
- while (pos < max) {
- const ch = state.src.charCodeAt(pos);
- if (isSpace(ch)) {
- if (ch === 9) {
- offset += 4 - (offset + state.bsCount[nextLine] + (adjustTab ? 1 : 0)) % 4;
- } else {
- offset++;
- }
- } else {
- break;
- }
- pos++;
- }
- lastLineEmpty = pos >= max;
- oldBSCount.push(state.bsCount[nextLine]);
- state.bsCount[nextLine] = state.sCount[nextLine] + 1 + (spaceAfterMarker ? 1 : 0);
- oldSCount.push(state.sCount[nextLine]);
- state.sCount[nextLine] = offset - initial;
- oldTShift.push(state.tShift[nextLine]);
- state.tShift[nextLine] = pos - state.bMarks[nextLine];
- continue;
- }
- // Case 2: line is not inside the blockquote, and the last line was empty.
- if (lastLineEmpty) {
- break;
- }
- // Case 3: another tag found.
- let terminate = false;
- for (let i = 0, l = terminatorRules.length; i < l; i++) {
- if (terminatorRules[i](state, nextLine, endLine, true)) {
- terminate = true;
- break;
- }
- }
- if (terminate) {
- // Quirk to enforce "hard termination mode" for paragraphs;
- // normally if you call `tokenize(state, startLine, nextLine)`,
- // paragraphs will look below nextLine for paragraph continuation,
- // but if blockquote is terminated by another tag, they shouldn't
- state.lineMax = nextLine;
- if (state.blkIndent !== 0) {
- // state.blkIndent was non-zero, we now set it to zero,
- // so we need to re-calculate all offsets to appear as
- // if indent wasn't changed
- oldBMarks.push(state.bMarks[nextLine]);
- oldBSCount.push(state.bsCount[nextLine]);
- oldTShift.push(state.tShift[nextLine]);
- oldSCount.push(state.sCount[nextLine]);
- state.sCount[nextLine] -= state.blkIndent;
- }
- break;
- }
- oldBMarks.push(state.bMarks[nextLine]);
- oldBSCount.push(state.bsCount[nextLine]);
- oldTShift.push(state.tShift[nextLine]);
- oldSCount.push(state.sCount[nextLine]);
- // A negative indentation means that this is a paragraph continuation
-
- state.sCount[nextLine] = -1;
- }
- const oldIndent = state.blkIndent;
- state.blkIndent = 0;
- const token_o = state.push("blockquote_open", "blockquote", 1);
- token_o.markup = ">";
- const lines = [ startLine, 0 ];
- token_o.map = lines;
- state.md.block.tokenize(state, startLine, nextLine);
- const token_c = state.push("blockquote_close", "blockquote", -1);
- token_c.markup = ">";
- state.lineMax = oldLineMax;
- state.parentType = oldParentType;
- lines[1] = state.line;
- // Restore original tShift; this might not be necessary since the parser
- // has already been here, but just to make sure we can do that.
- for (let i = 0; i < oldTShift.length; i++) {
- state.bMarks[i + startLine] = oldBMarks[i];
- state.tShift[i + startLine] = oldTShift[i];
- state.sCount[i + startLine] = oldSCount[i];
- state.bsCount[i + startLine] = oldBSCount[i];
- }
- state.blkIndent = oldIndent;
- return true;
- }
- // Horizontal rule
- function hr(state, startLine, endLine, silent) {
- const max = state.eMarks[startLine];
- // if it's indented more than 3 spaces, it should be a code block
- if (state.sCount[startLine] - state.blkIndent >= 4) {
- return false;
- }
- let pos = state.bMarks[startLine] + state.tShift[startLine];
- const marker = state.src.charCodeAt(pos++);
- // Check hr marker
- if (marker !== 42 /* * */ && marker !== 45 /* - */ && marker !== 95 /* _ */) {
- return false;
- }
- // markers can be mixed with spaces, but there should be at least 3 of them
- let cnt = 1;
- while (pos < max) {
- const ch = state.src.charCodeAt(pos++);
- if (ch !== marker && !isSpace(ch)) {
- return false;
- }
- if (ch === marker) {
- cnt++;
- }
- }
- if (cnt < 3) {
- return false;
- }
- if (silent) {
- return true;
- }
- state.line = startLine + 1;
- const token = state.push("hr", "hr", 0);
- token.map = [ startLine, state.line ];
- token.markup = Array(cnt + 1).join(String.fromCharCode(marker));
- return true;
- }
- // Lists
- // Search `[-+*][\n ]`, returns next pos after marker on success
- // or -1 on fail.
- function skipBulletListMarker(state, startLine) {
- const max = state.eMarks[startLine];
- let pos = state.bMarks[startLine] + state.tShift[startLine];
- const marker = state.src.charCodeAt(pos++);
- // Check bullet
- if (marker !== 42 /* * */ && marker !== 45 /* - */ && marker !== 43 /* + */) {
- return -1;
- }
- if (pos < max) {
- const ch = state.src.charCodeAt(pos);
- if (!isSpace(ch)) {
- // " -test " - is not a list item
- return -1;
- }
- }
- return pos;
- }
- // Search `\d+[.)][\n ]`, returns next pos after marker on success
- // or -1 on fail.
- function skipOrderedListMarker(state, startLine) {
- const start = state.bMarks[startLine] + state.tShift[startLine];
- const max = state.eMarks[startLine];
- let pos = start;
- // List marker should have at least 2 chars (digit + dot)
- if (pos + 1 >= max) {
- return -1;
- }
- let ch = state.src.charCodeAt(pos++);
- if (ch < 48 /* 0 */ || ch > 57 /* 9 */) {
- return -1;
- }
- for (;;) {
- // EOL -> fail
- if (pos >= max) {
- return -1;
- }
- ch = state.src.charCodeAt(pos++);
- if (ch >= 48 /* 0 */ && ch <= 57 /* 9 */) {
- // List marker should have no more than 9 digits
- // (prevents integer overflow in browsers)
- if (pos - start >= 10) {
- return -1;
- }
- continue;
- }
- // found valid marker
- if (ch === 41 /* ) */ || ch === 46 /* . */) {
- break;
- }
- return -1;
- }
- if (pos < max) {
- ch = state.src.charCodeAt(pos);
- if (!isSpace(ch)) {
- // " 1.test " - is not a list item
- return -1;
- }
- }
- return pos;
- }
- function markTightParagraphs(state, idx) {
- const level = state.level + 2;
- for (let i = idx + 2, l = state.tokens.length - 2; i < l; i++) {
- if (state.tokens[i].level === level && state.tokens[i].type === "paragraph_open") {
- state.tokens[i + 2].hidden = true;
- state.tokens[i].hidden = true;
- i += 2;
- }
- }
- }
- function list(state, startLine, endLine, silent) {
- let max, pos, start, token;
- let nextLine = startLine;
- let tight = true;
- // if it's indented more than 3 spaces, it should be a code block
- if (state.sCount[nextLine] - state.blkIndent >= 4) {
- return false;
- }
- // Special case:
- // - item 1
- // - item 2
- // - item 3
- // - item 4
- // - this one is a paragraph continuation
- if (state.listIndent >= 0 && state.sCount[nextLine] - state.listIndent >= 4 && state.sCount[nextLine] < state.blkIndent) {
- return false;
- }
- let isTerminatingParagraph = false;
- // limit conditions when list can interrupt
- // a paragraph (validation mode only)
- if (silent && state.parentType === "paragraph") {
- // Next list item should still terminate previous list item;
- // This code can fail if plugins use blkIndent as well as lists,
- // but I hope the spec gets fixed long before that happens.
- if (state.sCount[nextLine] >= state.blkIndent) {
- isTerminatingParagraph = true;
- }
- }
- // Detect list type and position after marker
- let isOrdered;
- let markerValue;
- let posAfterMarker;
- if ((posAfterMarker = skipOrderedListMarker(state, nextLine)) >= 0) {
- isOrdered = true;
- start = state.bMarks[nextLine] + state.tShift[nextLine];
- markerValue = Number(state.src.slice(start, posAfterMarker - 1));
- // If we're starting a new ordered list right after
- // a paragraph, it should start with 1.
- if (isTerminatingParagraph && markerValue !== 1) return false;
- } else if ((posAfterMarker = skipBulletListMarker(state, nextLine)) >= 0) {
- isOrdered = false;
- } else {
- return false;
- }
- // If we're starting a new unordered list right after
- // a paragraph, first line should not be empty.
- if (isTerminatingParagraph) {
- if (state.skipSpaces(posAfterMarker) >= state.eMarks[nextLine]) return false;
- }
- // For validation mode we can terminate immediately
- if (silent) {
- return true;
- }
- // We should terminate list on style change. Remember first one to compare.
- const markerCharCode = state.src.charCodeAt(posAfterMarker - 1);
- // Start list
- const listTokIdx = state.tokens.length;
- if (isOrdered) {
- token = state.push("ordered_list_open", "ol", 1);
- if (markerValue !== 1) {
- token.attrs = [ [ "start", markerValue ] ];
- }
- } else {
- token = state.push("bullet_list_open", "ul", 1);
- }
- const listLines = [ nextLine, 0 ];
- token.map = listLines;
- token.markup = String.fromCharCode(markerCharCode);
-
- // Iterate list items
-
- let prevEmptyEnd = false;
- const terminatorRules = state.md.block.ruler.getRules("list");
- const oldParentType = state.parentType;
- state.parentType = "list";
- while (nextLine < endLine) {
- pos = posAfterMarker;
- max = state.eMarks[nextLine];
- const initial = state.sCount[nextLine] + posAfterMarker - (state.bMarks[nextLine] + state.tShift[nextLine]);
- let offset = initial;
- while (pos < max) {
- const ch = state.src.charCodeAt(pos);
- if (ch === 9) {
- offset += 4 - (offset + state.bsCount[nextLine]) % 4;
- } else if (ch === 32) {
- offset++;
- } else {
- break;
- }
- pos++;
- }
- const contentStart = pos;
- let indentAfterMarker;
- if (contentStart >= max) {
- // trimming space in "- \n 3" case, indent is 1 here
- indentAfterMarker = 1;
- } else {
- indentAfterMarker = offset - initial;
- }
- // If we have more than 4 spaces, the indent is 1
- // (the rest is just indented code block)
- if (indentAfterMarker > 4) {
- indentAfterMarker = 1;
- }
- // " - test"
- // ^^^^^ - calculating total length of this thing
- const indent = initial + indentAfterMarker;
- // Run subparser & write tokens
- token = state.push("list_item_open", "li", 1);
- token.markup = String.fromCharCode(markerCharCode);
- const itemLines = [ nextLine, 0 ];
- token.map = itemLines;
- if (isOrdered) {
- token.info = state.src.slice(start, posAfterMarker - 1);
- }
- // change current state, then restore it after parser subcall
- const oldTight = state.tight;
- const oldTShift = state.tShift[nextLine];
- const oldSCount = state.sCount[nextLine];
- // - example list
- // ^ listIndent position will be here
- // ^ blkIndent position will be here
-
- const oldListIndent = state.listIndent;
- state.listIndent = state.blkIndent;
- state.blkIndent = indent;
- state.tight = true;
- state.tShift[nextLine] = contentStart - state.bMarks[nextLine];
- state.sCount[nextLine] = offset;
- if (contentStart >= max && state.isEmpty(nextLine + 1)) {
- // workaround for this case
- // (list item is empty, list terminates before "foo"):
- // ~~~~~~~~
- // -
- // foo
- // ~~~~~~~~
- state.line = Math.min(state.line + 2, endLine);
- } else {
- state.md.block.tokenize(state, nextLine, endLine, true);
- }
- // If any of list item is tight, mark list as tight
- if (!state.tight || prevEmptyEnd) {
- tight = false;
- }
- // Item become loose if finish with empty line,
- // but we should filter last element, because it means list finish
- prevEmptyEnd = state.line - nextLine > 1 && state.isEmpty(state.line - 1);
- state.blkIndent = state.listIndent;
- state.listIndent = oldListIndent;
- state.tShift[nextLine] = oldTShift;
- state.sCount[nextLine] = oldSCount;
- state.tight = oldTight;
- token = state.push("list_item_close", "li", -1);
- token.markup = String.fromCharCode(markerCharCode);
- nextLine = state.line;
- itemLines[1] = nextLine;
- if (nextLine >= endLine) {
- break;
- }
-
- // Try to check if list is terminated or continued.
-
- if (state.sCount[nextLine] < state.blkIndent) {
- break;
- }
- // if it's indented more than 3 spaces, it should be a code block
- if (state.sCount[nextLine] - state.blkIndent >= 4) {
- break;
- }
- // fail if terminating block found
- let terminate = false;
- for (let i = 0, l = terminatorRules.length; i < l; i++) {
- if (terminatorRules[i](state, nextLine, endLine, true)) {
- terminate = true;
- break;
- }
- }
- if (terminate) {
- break;
- }
- // fail if list has another type
- if (isOrdered) {
- posAfterMarker = skipOrderedListMarker(state, nextLine);
- if (posAfterMarker < 0) {
- break;
- }
- start = state.bMarks[nextLine] + state.tShift[nextLine];
- } else {
- posAfterMarker = skipBulletListMarker(state, nextLine);
- if (posAfterMarker < 0) {
- break;
- }
- }
- if (markerCharCode !== state.src.charCodeAt(posAfterMarker - 1)) {
- break;
- }
- }
- // Finalize list
- if (isOrdered) {
- token = state.push("ordered_list_close", "ol", -1);
- } else {
- token = state.push("bullet_list_close", "ul", -1);
- }
- token.markup = String.fromCharCode(markerCharCode);
- listLines[1] = nextLine;
- state.line = nextLine;
- state.parentType = oldParentType;
- // mark paragraphs tight if needed
- if (tight) {
- markTightParagraphs(state, listTokIdx);
- }
- return true;
- }
- function reference(state, startLine, _endLine, silent) {
- let pos = state.bMarks[startLine] + state.tShift[startLine];
- let max = state.eMarks[startLine];
- let nextLine = startLine + 1;
- // if it's indented more than 3 spaces, it should be a code block
- if (state.sCount[startLine] - state.blkIndent >= 4) {
- return false;
- }
- if (state.src.charCodeAt(pos) !== 91 /* [ */) {
- return false;
- }
- function getNextLine(nextLine) {
- const endLine = state.lineMax;
- if (nextLine >= endLine || state.isEmpty(nextLine)) {
- // empty line or end of input
- return null;
- }
- let isContinuation = false;
- // this would be a code block normally, but after paragraph
- // it's considered a lazy continuation regardless of what's there
- if (state.sCount[nextLine] - state.blkIndent > 3) {
- isContinuation = true;
- }
- // quirk for blockquotes, this line should already be checked by that rule
- if (state.sCount[nextLine] < 0) {
- isContinuation = true;
- }
- if (!isContinuation) {
- const terminatorRules = state.md.block.ruler.getRules("reference");
- const oldParentType = state.parentType;
- state.parentType = "reference";
- // Some tags can terminate paragraph without empty line.
- let terminate = false;
- for (let i = 0, l = terminatorRules.length; i < l; i++) {
- if (terminatorRules[i](state, nextLine, endLine, true)) {
- terminate = true;
- break;
- }
- }
- state.parentType = oldParentType;
- if (terminate) {
- // terminated by another block
- return null;
- }
- }
- const pos = state.bMarks[nextLine] + state.tShift[nextLine];
- const max = state.eMarks[nextLine];
- // max + 1 explicitly includes the newline
- return state.src.slice(pos, max + 1);
- }
- let str = state.src.slice(pos, max + 1);
- max = str.length;
- let labelEnd = -1;
- for (pos = 1; pos < max; pos++) {
- const ch = str.charCodeAt(pos);
- if (ch === 91 /* [ */) {
- return false;
- } else if (ch === 93 /* ] */) {
- labelEnd = pos;
- break;
- } else if (ch === 10 /* \n */) {
- const lineContent = getNextLine(nextLine);
- if (lineContent !== null) {
- str += lineContent;
- max = str.length;
- nextLine++;
- }
- } else if (ch === 92 /* \ */) {
- pos++;
- if (pos < max && str.charCodeAt(pos) === 10) {
- const lineContent = getNextLine(nextLine);
- if (lineContent !== null) {
- str += lineContent;
- max = str.length;
- nextLine++;
- }
- }
- }
- }
- if (labelEnd < 0 || str.charCodeAt(labelEnd + 1) !== 58 /* : */) {
- return false;
- }
- // [label]: destination 'title'
- // ^^^ skip optional whitespace here
- for (pos = labelEnd + 2; pos < max; pos++) {
- const ch = str.charCodeAt(pos);
- if (ch === 10) {
- const lineContent = getNextLine(nextLine);
- if (lineContent !== null) {
- str += lineContent;
- max = str.length;
- nextLine++;
- }
- } else if (isSpace(ch)) ; else {
- break;
- }
- }
- // [label]: destination 'title'
- // ^^^^^^^^^^^ parse this
- const destRes = state.md.helpers.parseLinkDestination(str, pos, max);
- if (!destRes.ok) {
- return false;
- }
- const href = state.md.normalizeLink(destRes.str);
- if (!state.md.validateLink(href)) {
- return false;
- }
- pos = destRes.pos;
- // save cursor state, we could require to rollback later
- const destEndPos = pos;
- const destEndLineNo = nextLine;
- // [label]: destination 'title'
- // ^^^ skipping those spaces
- const start = pos;
- for (;pos < max; pos++) {
- const ch = str.charCodeAt(pos);
- if (ch === 10) {
- const lineContent = getNextLine(nextLine);
- if (lineContent !== null) {
- str += lineContent;
- max = str.length;
- nextLine++;
- }
- } else if (isSpace(ch)) ; else {
- break;
- }
- }
- // [label]: destination 'title'
- // ^^^^^^^ parse this
- let titleRes = state.md.helpers.parseLinkTitle(str, pos, max);
- while (titleRes.can_continue) {
- const lineContent = getNextLine(nextLine);
- if (lineContent === null) break;
- str += lineContent;
- pos = max;
- max = str.length;
- nextLine++;
- titleRes = state.md.helpers.parseLinkTitle(str, pos, max, titleRes);
- }
- let title;
- if (pos < max && start !== pos && titleRes.ok) {
- title = titleRes.str;
- pos = titleRes.pos;
- } else {
- title = "";
- pos = destEndPos;
- nextLine = destEndLineNo;
- }
- // skip trailing spaces until the rest of the line
- while (pos < max) {
- const ch = str.charCodeAt(pos);
- if (!isSpace(ch)) {
- break;
- }
- pos++;
- }
- if (pos < max && str.charCodeAt(pos) !== 10) {
- if (title) {
- // garbage at the end of the line after title,
- // but it could still be a valid reference if we roll back
- title = "";
- pos = destEndPos;
- nextLine = destEndLineNo;
- while (pos < max) {
- const ch = str.charCodeAt(pos);
- if (!isSpace(ch)) {
- break;
- }
- pos++;
- }
- }
- }
- if (pos < max && str.charCodeAt(pos) !== 10) {
- // garbage at the end of the line
- return false;
- }
- const label = normalizeReference(str.slice(1, labelEnd));
- if (!label) {
- // CommonMark 0.20 disallows empty labels
- return false;
- }
- // Reference can not terminate anything. This check is for safety only.
- /* istanbul ignore if */ if (silent) {
- return true;
- }
- if (typeof state.env.references === "undefined") {
- state.env.references = {};
- }
- if (typeof state.env.references[label] === "undefined") {
- state.env.references[label] = {
- title: title,
- href: href
- };
- }
- state.line = nextLine;
- return true;
- }
- // List of valid html blocks names, according to commonmark spec
- // https://spec.commonmark.org/0.30/#html-blocks
- var block_names = [ "address", "article", "aside", "base", "basefont", "blockquote", "body", "caption", "center", "col", "colgroup", "dd", "details", "dialog", "dir", "div", "dl", "dt", "fieldset", "figcaption", "figure", "footer", "form", "frame", "frameset", "h1", "h2", "h3", "h4", "h5", "h6", "head", "header", "hr", "html", "iframe", "legend", "li", "link", "main", "menu", "menuitem", "nav", "noframes", "ol", "optgroup", "option", "p", "param", "search", "section", "summary", "table", "tbody", "td", "tfoot", "th", "thead", "title", "tr", "track", "ul" ];
- // Regexps to match html elements
- const attr_name = "[a-zA-Z_:][a-zA-Z0-9:._-]*";
- const unquoted = "[^\"'=<>`\\x00-\\x20]+";
- const single_quoted = "'[^']*'";
- const double_quoted = '"[^"]*"';
- const attr_value = "(?:" + unquoted + "|" + single_quoted + "|" + double_quoted + ")";
- const attribute = "(?:\\s+" + attr_name + "(?:\\s*=\\s*" + attr_value + ")?)";
- const open_tag = "<[A-Za-z][A-Za-z0-9\\-]*" + attribute + "*\\s*\\/?>";
- const close_tag = "<\\/[A-Za-z][A-Za-z0-9\\-]*\\s*>";
- const comment = "\x3c!---?>|\x3c!--(?:[^-]|-[^-]|--[^>])*--\x3e";
- const processing = "<[?][\\s\\S]*?[?]>";
- const declaration = "<![A-Za-z][^>]*>";
- const cdata = "<!\\[CDATA\\[[\\s\\S]*?\\]\\]>";
- const HTML_TAG_RE = new RegExp("^(?:" + open_tag + "|" + close_tag + "|" + comment + "|" + processing + "|" + declaration + "|" + cdata + ")");
- const HTML_OPEN_CLOSE_TAG_RE = new RegExp("^(?:" + open_tag + "|" + close_tag + ")");
- // HTML block
- // An array of opening and corresponding closing sequences for html tags,
- // last argument defines whether it can terminate a paragraph or not
-
- const HTML_SEQUENCES = [ [ /^<(script|pre|style|textarea)(?=(\s|>|$))/i, /<\/(script|pre|style|textarea)>/i, true ], [ /^<!--/, /-->/, true ], [ /^<\?/, /\?>/, true ], [ /^<![A-Z]/, />/, true ], [ /^<!\[CDATA\[/, /\]\]>/, true ], [ new RegExp("^</?(" + block_names.join("|") + ")(?=(\\s|/?>|$))", "i"), /^$/, true ], [ new RegExp(HTML_OPEN_CLOSE_TAG_RE.source + "\\s*$"), /^$/, false ] ];
- function html_block(state, startLine, endLine, silent) {
- let pos = state.bMarks[startLine] + state.tShift[startLine];
- let max = state.eMarks[startLine];
- // if it's indented more than 3 spaces, it should be a code block
- if (state.sCount[startLine] - state.blkIndent >= 4) {
- return false;
- }
- if (!state.md.options.html) {
- return false;
- }
- if (state.src.charCodeAt(pos) !== 60 /* < */) {
- return false;
- }
- let lineText = state.src.slice(pos, max);
- let i = 0;
- for (;i < HTML_SEQUENCES.length; i++) {
- if (HTML_SEQUENCES[i][0].test(lineText)) {
- break;
- }
- }
- if (i === HTML_SEQUENCES.length) {
- return false;
- }
- if (silent) {
- // true if this sequence can be a terminator, false otherwise
- return HTML_SEQUENCES[i][2];
- }
- let nextLine = startLine + 1;
- // If we are here - we detected HTML block.
- // Let's roll down till block end.
- if (!HTML_SEQUENCES[i][1].test(lineText)) {
- for (;nextLine < endLine; nextLine++) {
- if (state.sCount[nextLine] < state.blkIndent) {
- break;
- }
- pos = state.bMarks[nextLine] + state.tShift[nextLine];
- max = state.eMarks[nextLine];
- lineText = state.src.slice(pos, max);
- if (HTML_SEQUENCES[i][1].test(lineText)) {
- if (lineText.length !== 0) {
- nextLine++;
- }
- break;
- }
- }
- }
- state.line = nextLine;
- const token = state.push("html_block", "", 0);
- token.map = [ startLine, nextLine ];
- token.content = state.getLines(startLine, nextLine, state.blkIndent, true);
- return true;
- }
- // heading (#, ##, ...)
- function heading(state, startLine, endLine, silent) {
- let pos = state.bMarks[startLine] + state.tShift[startLine];
- let max = state.eMarks[startLine];
- // if it's indented more than 3 spaces, it should be a code block
- if (state.sCount[startLine] - state.blkIndent >= 4) {
- return false;
- }
- let ch = state.src.charCodeAt(pos);
- if (ch !== 35 /* # */ || pos >= max) {
- return false;
- }
- // count heading level
- let level = 1;
- ch = state.src.charCodeAt(++pos);
- while (ch === 35 /* # */ && pos < max && level <= 6) {
- level++;
- ch = state.src.charCodeAt(++pos);
- }
- if (level > 6 || pos < max && !isSpace(ch)) {
- return false;
- }
- if (silent) {
- return true;
- }
- // Let's cut tails like ' ### ' from the end of string
- max = state.skipSpacesBack(max, pos);
- const tmp = state.skipCharsBack(max, 35, pos);
- // #
- if (tmp > pos && isSpace(state.src.charCodeAt(tmp - 1))) {
- max = tmp;
- }
- state.line = startLine + 1;
- const token_o = state.push("heading_open", "h" + String(level), 1);
- token_o.markup = "########".slice(0, level);
- token_o.map = [ startLine, state.line ];
- const token_i = state.push("inline", "", 0);
- token_i.content = state.src.slice(pos, max).trim();
- token_i.map = [ startLine, state.line ];
- token_i.children = [];
- const token_c = state.push("heading_close", "h" + String(level), -1);
- token_c.markup = "########".slice(0, level);
- return true;
- }
- // lheading (---, ===)
- function lheading(state, startLine, endLine /*, silent */) {
- const terminatorRules = state.md.block.ruler.getRules("paragraph");
- // if it's indented more than 3 spaces, it should be a code block
- if (state.sCount[startLine] - state.blkIndent >= 4) {
- return false;
- }
- const oldParentType = state.parentType;
- state.parentType = "paragraph";
- // use paragraph to match terminatorRules
- // jump line-by-line until empty one or EOF
- let level = 0;
- let marker;
- let nextLine = startLine + 1;
- for (;nextLine < endLine && !state.isEmpty(nextLine); nextLine++) {
- // this would be a code block normally, but after paragraph
- // it's considered a lazy continuation regardless of what's there
- if (state.sCount[nextLine] - state.blkIndent > 3) {
- continue;
- }
-
- // Check for underline in setext header
-
- if (state.sCount[nextLine] >= state.blkIndent) {
- let pos = state.bMarks[nextLine] + state.tShift[nextLine];
- const max = state.eMarks[nextLine];
- if (pos < max) {
- marker = state.src.charCodeAt(pos);
- if (marker === 45 /* - */ || marker === 61 /* = */) {
- pos = state.skipChars(pos, marker);
- pos = state.skipSpaces(pos);
- if (pos >= max) {
- level = marker === 61 /* = */ ? 1 : 2;
- break;
- }
- }
- }
- }
- // quirk for blockquotes, this line should already be checked by that rule
- if (state.sCount[nextLine] < 0) {
- continue;
- }
- // Some tags can terminate paragraph without empty line.
- let terminate = false;
- for (let i = 0, l = terminatorRules.length; i < l; i++) {
- if (terminatorRules[i](state, nextLine, endLine, true)) {
- terminate = true;
- break;
- }
- }
- if (terminate) {
- break;
- }
- }
- if (!level) {
- // Didn't find valid underline
- return false;
- }
- const content = state.getLines(startLine, nextLine, state.blkIndent, false).trim();
- state.line = nextLine + 1;
- const token_o = state.push("heading_open", "h" + String(level), 1);
- token_o.markup = String.fromCharCode(marker);
- token_o.map = [ startLine, state.line ];
- const token_i = state.push("inline", "", 0);
- token_i.content = content;
- token_i.map = [ startLine, state.line - 1 ];
- token_i.children = [];
- const token_c = state.push("heading_close", "h" + String(level), -1);
- token_c.markup = String.fromCharCode(marker);
- state.parentType = oldParentType;
- return true;
- }
- // Paragraph
- function paragraph(state, startLine, endLine) {
- const terminatorRules = state.md.block.ruler.getRules("paragraph");
- const oldParentType = state.parentType;
- let nextLine = startLine + 1;
- state.parentType = "paragraph";
- // jump line-by-line until empty one or EOF
- for (;nextLine < endLine && !state.isEmpty(nextLine); nextLine++) {
- // this would be a code block normally, but after paragraph
- // it's considered a lazy continuation regardless of what's there
- if (state.sCount[nextLine] - state.blkIndent > 3) {
- continue;
- }
- // quirk for blockquotes, this line should already be checked by that rule
- if (state.sCount[nextLine] < 0) {
- continue;
- }
- // Some tags can terminate paragraph without empty line.
- let terminate = false;
- for (let i = 0, l = terminatorRules.length; i < l; i++) {
- if (terminatorRules[i](state, nextLine, endLine, true)) {
- terminate = true;
- break;
- }
- }
- if (terminate) {
- break;
- }
- }
- const content = state.getLines(startLine, nextLine, state.blkIndent, false).trim();
- state.line = nextLine;
- const token_o = state.push("paragraph_open", "p", 1);
- token_o.map = [ startLine, state.line ];
- const token_i = state.push("inline", "", 0);
- token_i.content = content;
- token_i.map = [ startLine, state.line ];
- token_i.children = [];
- state.push("paragraph_close", "p", -1);
- state.parentType = oldParentType;
- return true;
- }
- /** internal
- * class ParserBlock
- *
- * Block-level tokenizer.
- **/ const _rules$1 = [
- // First 2 params - rule name & source. Secondary array - list of rules,
- // which can be terminated by this one.
- [ "table", table, [ "paragraph", "reference" ] ], [ "code", code ], [ "fence", fence, [ "paragraph", "reference", "blockquote", "list" ] ], [ "blockquote", blockquote, [ "paragraph", "reference", "blockquote", "list" ] ], [ "hr", hr, [ "paragraph", "reference", "blockquote", "list" ] ], [ "list", list, [ "paragraph", "reference", "blockquote" ] ], [ "reference", reference ], [ "html_block", html_block, [ "paragraph", "reference", "blockquote" ] ], [ "heading", heading, [ "paragraph", "reference", "blockquote" ] ], [ "lheading", lheading ], [ "paragraph", paragraph ] ];
- /**
- * new ParserBlock()
- **/ function ParserBlock() {
- /**
- * ParserBlock#ruler -> Ruler
- *
- * [[Ruler]] instance. Keep configuration of block rules.
- **/
- this.ruler = new Ruler;
- for (let i = 0; i < _rules$1.length; i++) {
- this.ruler.push(_rules$1[i][0], _rules$1[i][1], {
- alt: (_rules$1[i][2] || []).slice()
- });
- }
- }
- // Generate tokens for input range
-
- ParserBlock.prototype.tokenize = function(state, startLine, endLine) {
- const rules = this.ruler.getRules("");
- const len = rules.length;
- const maxNesting = state.md.options.maxNesting;
- let line = startLine;
- let hasEmptyLines = false;
- while (line < endLine) {
- state.line = line = state.skipEmptyLines(line);
- if (line >= endLine) {
- break;
- }
- // Termination condition for nested calls.
- // Nested calls currently used for blockquotes & lists
- if (state.sCount[line] < state.blkIndent) {
- break;
- }
- // If nesting level exceeded - skip tail to the end. That's not ordinary
- // situation and we should not care about content.
- if (state.level >= maxNesting) {
- state.line = endLine;
- break;
- }
- // Try all possible rules.
- // On success, rule should:
-
- // - update `state.line`
- // - update `state.tokens`
- // - return true
- const prevLine = state.line;
- let ok = false;
- for (let i = 0; i < len; i++) {
- ok = rules[i](state, line, endLine, false);
- if (ok) {
- if (prevLine >= state.line) {
- throw new Error("block rule didn't increment state.line");
- }
- break;
- }
- }
- // this can only happen if user disables paragraph rule
- if (!ok) throw new Error("none of the block rules matched");
- // set state.tight if we had an empty line before current tag
- // i.e. latest empty line should not count
- state.tight = !hasEmptyLines;
- // paragraph might "eat" one newline after it in nested lists
- if (state.isEmpty(state.line - 1)) {
- hasEmptyLines = true;
- }
- line = state.line;
- if (line < endLine && state.isEmpty(line)) {
- hasEmptyLines = true;
- line++;
- state.line = line;
- }
- }
- };
- /**
- * ParserBlock.parse(str, md, env, outTokens)
- *
- * Process input string and push block tokens into `outTokens`
- **/ ParserBlock.prototype.parse = function(src, md, env, outTokens) {
- if (!src) {
- return;
- }
- const state = new this.State(src, md, env, outTokens);
- this.tokenize(state, state.line, state.lineMax);
- };
- ParserBlock.prototype.State = StateBlock;
- // Inline parser state
- function StateInline(src, md, env, outTokens) {
- this.src = src;
- this.env = env;
- this.md = md;
- this.tokens = outTokens;
- this.tokens_meta = Array(outTokens.length);
- this.pos = 0;
- this.posMax = this.src.length;
- this.level = 0;
- this.pending = "";
- this.pendingLevel = 0;
- // Stores { start: end } pairs. Useful for backtrack
- // optimization of pairs parse (emphasis, strikes).
- this.cache = {};
- // List of emphasis-like delimiters for current tag
- this.delimiters = [];
- // Stack of delimiter lists for upper level tags
- this._prev_delimiters = [];
- // backtick length => last seen position
- this.backticks = {};
- this.backticksScanned = false;
- // Counter used to disable inline linkify-it execution
- // inside <a> and markdown links
- this.linkLevel = 0;
- }
- // Flush pending text
-
- StateInline.prototype.pushPending = function() {
- const token = new Token("text", "", 0);
- token.content = this.pending;
- token.level = this.pendingLevel;
- this.tokens.push(token);
- this.pending = "";
- return token;
- };
- // Push new token to "stream".
- // If pending text exists - flush it as text token
-
- StateInline.prototype.push = function(type, tag, nesting) {
- if (this.pending) {
- this.pushPending();
- }
- const token = new Token(type, tag, nesting);
- let token_meta = null;
- if (nesting < 0) {
- // closing tag
- this.level--;
- this.delimiters = this._prev_delimiters.pop();
- }
- token.level = this.level;
- if (nesting > 0) {
- // opening tag
- this.level++;
- this._prev_delimiters.push(this.delimiters);
- this.delimiters = [];
- token_meta = {
- delimiters: this.delimiters
- };
- }
- this.pendingLevel = this.level;
- this.tokens.push(token);
- this.tokens_meta.push(token_meta);
- return token;
- };
- // Scan a sequence of emphasis-like markers, and determine whether
- // it can start an emphasis sequence or end an emphasis sequence.
-
- // - start - position to scan from (it should point at a valid marker);
- // - canSplitWord - determine if these markers can be found inside a word
-
- StateInline.prototype.scanDelims = function(start, canSplitWord) {
- const max = this.posMax;
- const marker = this.src.charCodeAt(start);
- // treat beginning of the line as a whitespace
- const lastChar = start > 0 ? this.src.charCodeAt(start - 1) : 32;
- let pos = start;
- while (pos < max && this.src.charCodeAt(pos) === marker) {
- pos++;
- }
- const count = pos - start;
- // treat end of the line as a whitespace
- const nextChar = pos < max ? this.src.charCodeAt(pos) : 32;
- const isLastPunctChar = isMdAsciiPunct(lastChar) || isPunctChar(String.fromCharCode(lastChar));
- const isNextPunctChar = isMdAsciiPunct(nextChar) || isPunctChar(String.fromCharCode(nextChar));
- const isLastWhiteSpace = isWhiteSpace(lastChar);
- const isNextWhiteSpace = isWhiteSpace(nextChar);
- const left_flanking = !isNextWhiteSpace && (!isNextPunctChar || isLastWhiteSpace || isLastPunctChar);
- const right_flanking = !isLastWhiteSpace && (!isLastPunctChar || isNextWhiteSpace || isNextPunctChar);
- const can_open = left_flanking && (canSplitWord || !right_flanking || isLastPunctChar);
- const can_close = right_flanking && (canSplitWord || !left_flanking || isNextPunctChar);
- return {
- can_open: can_open,
- can_close: can_close,
- length: count
- };
- };
- // re-export Token class to use in block rules
- StateInline.prototype.Token = Token;
- // Skip text characters for text token, place those to pending buffer
- // and increment current pos
- // Rule to skip pure text
- // '{}$%@~+=:' reserved for extentions
- // !, ", #, $, %, &, ', (, ), *, +, ,, -, ., /, :, ;, <, =, >, ?, @, [, \, ], ^, _, `, {, |, }, or ~
- // !!!! Don't confuse with "Markdown ASCII Punctuation" chars
- // http://spec.commonmark.org/0.15/#ascii-punctuation-character
- function isTerminatorChar(ch) {
- switch (ch) {
- case 10 /* \n */ :
- case 33 /* ! */ :
- case 35 /* # */ :
- case 36 /* $ */ :
- case 37 /* % */ :
- case 38 /* & */ :
- case 42 /* * */ :
- case 43 /* + */ :
- case 45 /* - */ :
- case 58 /* : */ :
- case 60 /* < */ :
- case 61 /* = */ :
- case 62 /* > */ :
- case 64 /* @ */ :
- case 91 /* [ */ :
- case 92 /* \ */ :
- case 93 /* ] */ :
- case 94 /* ^ */ :
- case 95 /* _ */ :
- case 96 /* ` */ :
- case 123 /* { */ :
- case 125 /* } */ :
- case 126 /* ~ */ :
- return true;
-
- default:
- return false;
- }
- }
- function text(state, silent) {
- let pos = state.pos;
- while (pos < state.posMax && !isTerminatorChar(state.src.charCodeAt(pos))) {
- pos++;
- }
- if (pos === state.pos) {
- return false;
- }
- if (!silent) {
- state.pending += state.src.slice(state.pos, pos);
- }
- state.pos = pos;
- return true;
- }
- // Alternative implementation, for memory.
-
- // It costs 10% of performance, but allows extend terminators list, if place it
- // to `ParserInline` property. Probably, will switch to it sometime, such
- // flexibility required.
- /*
- var TERMINATOR_RE = /[\n!#$%&*+\-:<=>@[\\\]^_`{}~]/;
-
- module.exports = function text(state, silent) {
- var pos = state.pos,
- idx = state.src.slice(pos).search(TERMINATOR_RE);
-
- // first char is terminator -> empty text
- if (idx === 0) { return false; }
-
- // no terminator -> text till end of string
- if (idx < 0) {
- if (!silent) { state.pending += state.src.slice(pos); }
- state.pos = state.src.length;
- return true;
- }
-
- if (!silent) { state.pending += state.src.slice(pos, pos + idx); }
-
- state.pos += idx;
-
- return true;
- }; */
- // Process links like https://example.org/
- // RFC3986: scheme = ALPHA *( ALPHA / DIGIT / "+" / "-" / "." )
- const SCHEME_RE = /(?:^|[^a-z0-9.+-])([a-z][a-z0-9.+-]*)$/i;
- function linkify(state, silent) {
- if (!state.md.options.linkify) return false;
- if (state.linkLevel > 0) return false;
- const pos = state.pos;
- const max = state.posMax;
- if (pos + 3 > max) return false;
- if (state.src.charCodeAt(pos) !== 58 /* : */) return false;
- if (state.src.charCodeAt(pos + 1) !== 47 /* / */) return false;
- if (state.src.charCodeAt(pos + 2) !== 47 /* / */) return false;
- const match = state.pending.match(SCHEME_RE);
- if (!match) return false;
- const proto = match[1];
- const link = state.md.linkify.matchAtStart(state.src.slice(pos - proto.length));
- if (!link) return false;
- let url = link.url;
- // invalid link, but still detected by linkify somehow;
- // need to check to prevent infinite loop below
- if (url.length <= proto.length) return false;
- // disallow '*' at the end of the link (conflicts with emphasis)
- url = url.replace(/\*+$/, "");
- const fullUrl = state.md.normalizeLink(url);
- if (!state.md.validateLink(fullUrl)) return false;
- if (!silent) {
- state.pending = state.pending.slice(0, -proto.length);
- const token_o = state.push("link_open", "a", 1);
- token_o.attrs = [ [ "href", fullUrl ] ];
- token_o.markup = "linkify";
- token_o.info = "auto";
- const token_t = state.push("text", "", 0);
- token_t.content = state.md.normalizeLinkText(url);
- const token_c = state.push("link_close", "a", -1);
- token_c.markup = "linkify";
- token_c.info = "auto";
- }
- state.pos += url.length - proto.length;
- return true;
- }
- // Proceess '\n'
- function newline(state, silent) {
- let pos = state.pos;
- if (state.src.charCodeAt(pos) !== 10 /* \n */) {
- return false;
- }
- const pmax = state.pending.length - 1;
- const max = state.posMax;
- // ' \n' -> hardbreak
- // Lookup in pending chars is bad practice! Don't copy to other rules!
- // Pending string is stored in concat mode, indexed lookups will cause
- // convertion to flat mode.
- if (!silent) {
- if (pmax >= 0 && state.pending.charCodeAt(pmax) === 32) {
- if (pmax >= 1 && state.pending.charCodeAt(pmax - 1) === 32) {
- // Find whitespaces tail of pending chars.
- let ws = pmax - 1;
- while (ws >= 1 && state.pending.charCodeAt(ws - 1) === 32) ws--;
- state.pending = state.pending.slice(0, ws);
- state.push("hardbreak", "br", 0);
- } else {
- state.pending = state.pending.slice(0, -1);
- state.push("softbreak", "br", 0);
- }
- } else {
- state.push("softbreak", "br", 0);
- }
- }
- pos++;
- // skip heading spaces for next line
- while (pos < max && isSpace(state.src.charCodeAt(pos))) {
- pos++;
- }
- state.pos = pos;
- return true;
- }
- // Process escaped chars and hardbreaks
- const ESCAPED = [];
- for (let i = 0; i < 256; i++) {
- ESCAPED.push(0);
- }
- "\\!\"#$%&'()*+,./:;<=>?@[]^_`{|}~-".split("").forEach((function(ch) {
- ESCAPED[ch.charCodeAt(0)] = 1;
- }));
- function escape(state, silent) {
- let pos = state.pos;
- const max = state.posMax;
- if (state.src.charCodeAt(pos) !== 92 /* \ */) return false;
- pos++;
- // '\' at the end of the inline block
- if (pos >= max) return false;
- let ch1 = state.src.charCodeAt(pos);
- if (ch1 === 10) {
- if (!silent) {
- state.push("hardbreak", "br", 0);
- }
- pos++;
- // skip leading whitespaces from next line
- while (pos < max) {
- ch1 = state.src.charCodeAt(pos);
- if (!isSpace(ch1)) break;
- pos++;
- }
- state.pos = pos;
- return true;
- }
- let escapedStr = state.src[pos];
- if (ch1 >= 55296 && ch1 <= 56319 && pos + 1 < max) {
- const ch2 = state.src.charCodeAt(pos + 1);
- if (ch2 >= 56320 && ch2 <= 57343) {
- escapedStr += state.src[pos + 1];
- pos++;
- }
- }
- const origStr = "\\" + escapedStr;
- if (!silent) {
- const token = state.push("text_special", "", 0);
- if (ch1 < 256 && ESCAPED[ch1] !== 0) {
- token.content = escapedStr;
- } else {
- token.content = origStr;
- }
- token.markup = origStr;
- token.info = "escape";
- }
- state.pos = pos + 1;
- return true;
- }
- // Parse backticks
- function backtick(state, silent) {
- let pos = state.pos;
- const ch = state.src.charCodeAt(pos);
- if (ch !== 96 /* ` */) {
- return false;
- }
- const start = pos;
- pos++;
- const max = state.posMax;
- // scan marker length
- while (pos < max && state.src.charCodeAt(pos) === 96 /* ` */) {
- pos++;
- }
- const marker = state.src.slice(start, pos);
- const openerLength = marker.length;
- if (state.backticksScanned && (state.backticks[openerLength] || 0) <= start) {
- if (!silent) state.pending += marker;
- state.pos += openerLength;
- return true;
- }
- let matchEnd = pos;
- let matchStart;
- // Nothing found in the cache, scan until the end of the line (or until marker is found)
- while ((matchStart = state.src.indexOf("`", matchEnd)) !== -1) {
- matchEnd = matchStart + 1;
- // scan marker length
- while (matchEnd < max && state.src.charCodeAt(matchEnd) === 96 /* ` */) {
- matchEnd++;
- }
- const closerLength = matchEnd - matchStart;
- if (closerLength === openerLength) {
- // Found matching closer length.
- if (!silent) {
- const token = state.push("code_inline", "code", 0);
- token.markup = marker;
- token.content = state.src.slice(pos, matchStart).replace(/\n/g, " ").replace(/^ (.+) $/, "$1");
- }
- state.pos = matchEnd;
- return true;
- }
- // Some different length found, put it in cache as upper limit of where closer can be found
- state.backticks[closerLength] = matchStart;
- }
- // Scanned through the end, didn't find anything
- state.backticksScanned = true;
- if (!silent) state.pending += marker;
- state.pos += openerLength;
- return true;
- }
- // ~~strike through~~
-
- // Insert each marker as a separate text token, and add it to delimiter list
-
- function strikethrough_tokenize(state, silent) {
- const start = state.pos;
- const marker = state.src.charCodeAt(start);
- if (silent) {
- return false;
- }
- if (marker !== 126 /* ~ */) {
- return false;
- }
- const scanned = state.scanDelims(state.pos, true);
- let len = scanned.length;
- const ch = String.fromCharCode(marker);
- if (len < 2) {
- return false;
- }
- let token;
- if (len % 2) {
- token = state.push("text", "", 0);
- token.content = ch;
- len--;
- }
- for (let i = 0; i < len; i += 2) {
- token = state.push("text", "", 0);
- token.content = ch + ch;
- state.delimiters.push({
- marker: marker,
- length: 0,
- // disable "rule of 3" length checks meant for emphasis
- token: state.tokens.length - 1,
- end: -1,
- open: scanned.can_open,
- close: scanned.can_close
- });
- }
- state.pos += scanned.length;
- return true;
- }
- function postProcess$1(state, delimiters) {
- let token;
- const loneMarkers = [];
- const max = delimiters.length;
- for (let i = 0; i < max; i++) {
- const startDelim = delimiters[i];
- if (startDelim.marker !== 126 /* ~ */) {
- continue;
- }
- if (startDelim.end === -1) {
- continue;
- }
- const endDelim = delimiters[startDelim.end];
- token = state.tokens[startDelim.token];
- token.type = "s_open";
- token.tag = "s";
- token.nesting = 1;
- token.markup = "~~";
- token.content = "";
- token = state.tokens[endDelim.token];
- token.type = "s_close";
- token.tag = "s";
- token.nesting = -1;
- token.markup = "~~";
- token.content = "";
- if (state.tokens[endDelim.token - 1].type === "text" && state.tokens[endDelim.token - 1].content === "~") {
- loneMarkers.push(endDelim.token - 1);
- }
- }
- // If a marker sequence has an odd number of characters, it's splitted
- // like this: `~~~~~` -> `~` + `~~` + `~~`, leaving one marker at the
- // start of the sequence.
-
- // So, we have to move all those markers after subsequent s_close tags.
-
- while (loneMarkers.length) {
- const i = loneMarkers.pop();
- let j = i + 1;
- while (j < state.tokens.length && state.tokens[j].type === "s_close") {
- j++;
- }
- j--;
- if (i !== j) {
- token = state.tokens[j];
- state.tokens[j] = state.tokens[i];
- state.tokens[i] = token;
- }
- }
- }
- // Walk through delimiter list and replace text tokens with tags
-
- function strikethrough_postProcess(state) {
- const tokens_meta = state.tokens_meta;
- const max = state.tokens_meta.length;
- postProcess$1(state, state.delimiters);
- for (let curr = 0; curr < max; curr++) {
- if (tokens_meta[curr] && tokens_meta[curr].delimiters) {
- postProcess$1(state, tokens_meta[curr].delimiters);
- }
- }
- }
- var r_strikethrough = {
- tokenize: strikethrough_tokenize,
- postProcess: strikethrough_postProcess
- };
- // Process *this* and _that_
-
- // Insert each marker as a separate text token, and add it to delimiter list
-
- function emphasis_tokenize(state, silent) {
- const start = state.pos;
- const marker = state.src.charCodeAt(start);
- if (silent) {
- return false;
- }
- if (marker !== 95 /* _ */ && marker !== 42 /* * */) {
- return false;
- }
- const scanned = state.scanDelims(state.pos, marker === 42);
- for (let i = 0; i < scanned.length; i++) {
- const token = state.push("text", "", 0);
- token.content = String.fromCharCode(marker);
- state.delimiters.push({
- // Char code of the starting marker (number).
- marker: marker,
- // Total length of these series of delimiters.
- length: scanned.length,
- // A position of the token this delimiter corresponds to.
- token: state.tokens.length - 1,
- // If this delimiter is matched as a valid opener, `end` will be
- // equal to its position, otherwise it's `-1`.
- end: -1,
- // Boolean flags that determine if this delimiter could open or close
- // an emphasis.
- open: scanned.can_open,
- close: scanned.can_close
- });
- }
- state.pos += scanned.length;
- return true;
- }
- function postProcess(state, delimiters) {
- const max = delimiters.length;
- for (let i = max - 1; i >= 0; i--) {
- const startDelim = delimiters[i];
- if (startDelim.marker !== 95 /* _ */ && startDelim.marker !== 42 /* * */) {
- continue;
- }
- // Process only opening markers
- if (startDelim.end === -1) {
- continue;
- }
- const endDelim = delimiters[startDelim.end];
- // If the previous delimiter has the same marker and is adjacent to this one,
- // merge those into one strong delimiter.
-
- // `<em><em>whatever</em></em>` -> `<strong>whatever</strong>`
-
- const isStrong = i > 0 && delimiters[i - 1].end === startDelim.end + 1 &&
- // check that first two markers match and adjacent
- delimiters[i - 1].marker === startDelim.marker && delimiters[i - 1].token === startDelim.token - 1 &&
- // check that last two markers are adjacent (we can safely assume they match)
- delimiters[startDelim.end + 1].token === endDelim.token + 1;
- const ch = String.fromCharCode(startDelim.marker);
- const token_o = state.tokens[startDelim.token];
- token_o.type = isStrong ? "strong_open" : "em_open";
- token_o.tag = isStrong ? "strong" : "em";
- token_o.nesting = 1;
- token_o.markup = isStrong ? ch + ch : ch;
- token_o.content = "";
- const token_c = state.tokens[endDelim.token];
- token_c.type = isStrong ? "strong_close" : "em_close";
- token_c.tag = isStrong ? "strong" : "em";
- token_c.nesting = -1;
- token_c.markup = isStrong ? ch + ch : ch;
- token_c.content = "";
- if (isStrong) {
- state.tokens[delimiters[i - 1].token].content = "";
- state.tokens[delimiters[startDelim.end + 1].token].content = "";
- i--;
- }
- }
- }
- // Walk through delimiter list and replace text tokens with tags
-
- function emphasis_post_process(state) {
- const tokens_meta = state.tokens_meta;
- const max = state.tokens_meta.length;
- postProcess(state, state.delimiters);
- for (let curr = 0; curr < max; curr++) {
- if (tokens_meta[curr] && tokens_meta[curr].delimiters) {
- postProcess(state, tokens_meta[curr].delimiters);
- }
- }
- }
- var r_emphasis = {
- tokenize: emphasis_tokenize,
- postProcess: emphasis_post_process
- };
- // Process [link](<to> "stuff")
- function link(state, silent) {
- let code, label, res, ref;
- let href = "";
- let title = "";
- let start = state.pos;
- let parseReference = true;
- if (state.src.charCodeAt(state.pos) !== 91 /* [ */) {
- return false;
- }
- const oldPos = state.pos;
- const max = state.posMax;
- const labelStart = state.pos + 1;
- const labelEnd = state.md.helpers.parseLinkLabel(state, state.pos, true);
- // parser failed to find ']', so it's not a valid link
- if (labelEnd < 0) {
- return false;
- }
- let pos = labelEnd + 1;
- if (pos < max && state.src.charCodeAt(pos) === 40 /* ( */) {
- // Inline link
- // might have found a valid shortcut link, disable reference parsing
- parseReference = false;
- // [link]( <href> "title" )
- // ^^ skipping these spaces
- pos++;
- for (;pos < max; pos++) {
- code = state.src.charCodeAt(pos);
- if (!isSpace(code) && code !== 10) {
- break;
- }
- }
- if (pos >= max) {
- return false;
- }
- // [link]( <href> "title" )
- // ^^^^^^ parsing link destination
- start = pos;
- res = state.md.helpers.parseLinkDestination(state.src, pos, state.posMax);
- if (res.ok) {
- href = state.md.normalizeLink(res.str);
- if (state.md.validateLink(href)) {
- pos = res.pos;
- } else {
- href = "";
- }
- // [link]( <href> "title" )
- // ^^ skipping these spaces
- start = pos;
- for (;pos < max; pos++) {
- code = state.src.charCodeAt(pos);
- if (!isSpace(code) && code !== 10) {
- break;
- }
- }
- // [link]( <href> "title" )
- // ^^^^^^^ parsing link title
- res = state.md.helpers.parseLinkTitle(state.src, pos, state.posMax);
- if (pos < max && start !== pos && res.ok) {
- title = res.str;
- pos = res.pos;
- // [link]( <href> "title" )
- // ^^ skipping these spaces
- for (;pos < max; pos++) {
- code = state.src.charCodeAt(pos);
- if (!isSpace(code) && code !== 10) {
- break;
- }
- }
- }
- }
- if (pos >= max || state.src.charCodeAt(pos) !== 41 /* ) */) {
- // parsing a valid shortcut link failed, fallback to reference
- parseReference = true;
- }
- pos++;
- }
- if (parseReference) {
- // Link reference
- if (typeof state.env.references === "undefined") {
- return false;
- }
- if (pos < max && state.src.charCodeAt(pos) === 91 /* [ */) {
- start = pos + 1;
- pos = state.md.helpers.parseLinkLabel(state, pos);
- if (pos >= 0) {
- label = state.src.slice(start, pos++);
- } else {
- pos = labelEnd + 1;
- }
- } else {
- pos = labelEnd + 1;
- }
- // covers label === '' and label === undefined
- // (collapsed reference link and shortcut reference link respectively)
- if (!label) {
- label = state.src.slice(labelStart, labelEnd);
- }
- ref = state.env.references[normalizeReference(label)];
- if (!ref) {
- state.pos = oldPos;
- return false;
- }
- href = ref.href;
- title = ref.title;
- }
-
- // We found the end of the link, and know for a fact it's a valid link;
- // so all that's left to do is to call tokenizer.
-
- if (!silent) {
- state.pos = labelStart;
- state.posMax = labelEnd;
- const token_o = state.push("link_open", "a", 1);
- const attrs = [ [ "href", href ] ];
- token_o.attrs = attrs;
- if (title) {
- attrs.push([ "title", title ]);
- }
- state.linkLevel++;
- state.md.inline.tokenize(state);
- state.linkLevel--;
- state.push("link_close", "a", -1);
- }
- state.pos = pos;
- state.posMax = max;
- return true;
- }
- // Process ![image](<src> "title")
- function image(state, silent) {
- let code, content, label, pos, ref, res, title, start;
- let href = "";
- const oldPos = state.pos;
- const max = state.posMax;
- if (state.src.charCodeAt(state.pos) !== 33 /* ! */) {
- return false;
- }
- if (state.src.charCodeAt(state.pos + 1) !== 91 /* [ */) {
- return false;
- }
- const labelStart = state.pos + 2;
- const labelEnd = state.md.helpers.parseLinkLabel(state, state.pos + 1, false);
- // parser failed to find ']', so it's not a valid link
- if (labelEnd < 0) {
- return false;
- }
- pos = labelEnd + 1;
- if (pos < max && state.src.charCodeAt(pos) === 40 /* ( */) {
- // Inline link
- // [link]( <href> "title" )
- // ^^ skipping these spaces
- pos++;
- for (;pos < max; pos++) {
- code = state.src.charCodeAt(pos);
- if (!isSpace(code) && code !== 10) {
- break;
- }
- }
- if (pos >= max) {
- return false;
- }
- // [link]( <href> "title" )
- // ^^^^^^ parsing link destination
- start = pos;
- res = state.md.helpers.parseLinkDestination(state.src, pos, state.posMax);
- if (res.ok) {
- href = state.md.normalizeLink(res.str);
- if (state.md.validateLink(href)) {
- pos = res.pos;
- } else {
- href = "";
- }
- }
- // [link]( <href> "title" )
- // ^^ skipping these spaces
- start = pos;
- for (;pos < max; pos++) {
- code = state.src.charCodeAt(pos);
- if (!isSpace(code) && code !== 10) {
- break;
- }
- }
- // [link]( <href> "title" )
- // ^^^^^^^ parsing link title
- res = state.md.helpers.parseLinkTitle(state.src, pos, state.posMax);
- if (pos < max && start !== pos && res.ok) {
- title = res.str;
- pos = res.pos;
- // [link]( <href> "title" )
- // ^^ skipping these spaces
- for (;pos < max; pos++) {
- code = state.src.charCodeAt(pos);
- if (!isSpace(code) && code !== 10) {
- break;
- }
- }
- } else {
- title = "";
- }
- if (pos >= max || state.src.charCodeAt(pos) !== 41 /* ) */) {
- state.pos = oldPos;
- return false;
- }
- pos++;
- } else {
- // Link reference
- if (typeof state.env.references === "undefined") {
- return false;
- }
- if (pos < max && state.src.charCodeAt(pos) === 91 /* [ */) {
- start = pos + 1;
- pos = state.md.helpers.parseLinkLabel(state, pos);
- if (pos >= 0) {
- label = state.src.slice(start, pos++);
- } else {
- pos = labelEnd + 1;
- }
- } else {
- pos = labelEnd + 1;
- }
- // covers label === '' and label === undefined
- // (collapsed reference link and shortcut reference link respectively)
- if (!label) {
- label = state.src.slice(labelStart, labelEnd);
- }
- ref = state.env.references[normalizeReference(label)];
- if (!ref) {
- state.pos = oldPos;
- return false;
- }
- href = ref.href;
- title = ref.title;
- }
-
- // We found the end of the link, and know for a fact it's a valid link;
- // so all that's left to do is to call tokenizer.
-
- if (!silent) {
- content = state.src.slice(labelStart, labelEnd);
- const tokens = [];
- state.md.inline.parse(content, state.md, state.env, tokens);
- const token = state.push("image", "img", 0);
- const attrs = [ [ "src", href ], [ "alt", "" ] ];
- token.attrs = attrs;
- token.children = tokens;
- token.content = content;
- if (title) {
- attrs.push([ "title", title ]);
- }
- }
- state.pos = pos;
- state.posMax = max;
- return true;
- }
- // Process autolinks '<protocol:...>'
- /* eslint max-len:0 */ const EMAIL_RE = /^([a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*)$/;
- /* eslint-disable-next-line no-control-regex */ const AUTOLINK_RE = /^([a-zA-Z][a-zA-Z0-9+.-]{1,31}):([^<>\x00-\x20]*)$/;
- function autolink(state, silent) {
- let pos = state.pos;
- if (state.src.charCodeAt(pos) !== 60 /* < */) {
- return false;
- }
- const start = state.pos;
- const max = state.posMax;
- for (;;) {
- if (++pos >= max) return false;
- const ch = state.src.charCodeAt(pos);
- if (ch === 60 /* < */) return false;
- if (ch === 62 /* > */) break;
- }
- const url = state.src.slice(start + 1, pos);
- if (AUTOLINK_RE.test(url)) {
- const fullUrl = state.md.normalizeLink(url);
- if (!state.md.validateLink(fullUrl)) {
- return false;
- }
- if (!silent) {
- const token_o = state.push("link_open", "a", 1);
- token_o.attrs = [ [ "href", fullUrl ] ];
- token_o.markup = "autolink";
- token_o.info = "auto";
- const token_t = state.push("text", "", 0);
- token_t.content = state.md.normalizeLinkText(url);
- const token_c = state.push("link_close", "a", -1);
- token_c.markup = "autolink";
- token_c.info = "auto";
- }
- state.pos += url.length + 2;
- return true;
- }
- if (EMAIL_RE.test(url)) {
- const fullUrl = state.md.normalizeLink("mailto:" + url);
- if (!state.md.validateLink(fullUrl)) {
- return false;
- }
- if (!silent) {
- const token_o = state.push("link_open", "a", 1);
- token_o.attrs = [ [ "href", fullUrl ] ];
- token_o.markup = "autolink";
- token_o.info = "auto";
- const token_t = state.push("text", "", 0);
- token_t.content = state.md.normalizeLinkText(url);
- const token_c = state.push("link_close", "a", -1);
- token_c.markup = "autolink";
- token_c.info = "auto";
- }
- state.pos += url.length + 2;
- return true;
- }
- return false;
- }
- // Process html tags
- function isLinkOpen(str) {
- return /^<a[>\s]/i.test(str);
- }
- function isLinkClose(str) {
- return /^<\/a\s*>/i.test(str);
- }
- function isLetter(ch) {
- /* eslint no-bitwise:0 */
- const lc = ch | 32;
- // to lower case
- return lc >= 97 /* a */ && lc <= 122 /* z */;
- }
- function html_inline(state, silent) {
- if (!state.md.options.html) {
- return false;
- }
- // Check start
- const max = state.posMax;
- const pos = state.pos;
- if (state.src.charCodeAt(pos) !== 60 /* < */ || pos + 2 >= max) {
- return false;
- }
- // Quick fail on second char
- const ch = state.src.charCodeAt(pos + 1);
- if (ch !== 33 /* ! */ && ch !== 63 /* ? */ && ch !== 47 /* / */ && !isLetter(ch)) {
- return false;
- }
- const match = state.src.slice(pos).match(HTML_TAG_RE);
- if (!match) {
- return false;
- }
- if (!silent) {
- const token = state.push("html_inline", "", 0);
- token.content = match[0];
- if (isLinkOpen(token.content)) state.linkLevel++;
- if (isLinkClose(token.content)) state.linkLevel--;
- }
- state.pos += match[0].length;
- return true;
- }
- // Process html entity - &#123;, &#xAF;, &quot;, ...
- const DIGITAL_RE = /^&#((?:x[a-f0-9]{1,6}|[0-9]{1,7}));/i;
- const NAMED_RE = /^&([a-z][a-z0-9]{1,31});/i;
- function entity(state, silent) {
- const pos = state.pos;
- const max = state.posMax;
- if (state.src.charCodeAt(pos) !== 38 /* & */) return false;
- if (pos + 1 >= max) return false;
- const ch = state.src.charCodeAt(pos + 1);
- if (ch === 35 /* # */) {
- const match = state.src.slice(pos).match(DIGITAL_RE);
- if (match) {
- if (!silent) {
- const code = match[1][0].toLowerCase() === "x" ? parseInt(match[1].slice(1), 16) : parseInt(match[1], 10);
- const token = state.push("text_special", "", 0);
- token.content = isValidEntityCode(code) ? fromCodePoint(code) : fromCodePoint(65533);
- token.markup = match[0];
- token.info = "entity";
- }
- state.pos += match[0].length;
- return true;
- }
- } else {
- const match = state.src.slice(pos).match(NAMED_RE);
- if (match) {
- const decoded = decodeHTML(match[0]);
- if (decoded !== match[0]) {
- if (!silent) {
- const token = state.push("text_special", "", 0);
- token.content = decoded;
- token.markup = match[0];
- token.info = "entity";
- }
- state.pos += match[0].length;
- return true;
- }
- }
- }
- return false;
- }
- // For each opening emphasis-like marker find a matching closing one
-
- function processDelimiters(delimiters) {
- const openersBottom = {};
- const max = delimiters.length;
- if (!max) return;
- // headerIdx is the first delimiter of the current (where closer is) delimiter run
- let headerIdx = 0;
- let lastTokenIdx = -2;
- // needs any value lower than -1
- const jumps = [];
- for (let closerIdx = 0; closerIdx < max; closerIdx++) {
- const closer = delimiters[closerIdx];
- jumps.push(0);
- // markers belong to same delimiter run if:
- // - they have adjacent tokens
- // - AND markers are the same
-
- if (delimiters[headerIdx].marker !== closer.marker || lastTokenIdx !== closer.token - 1) {
- headerIdx = closerIdx;
- }
- lastTokenIdx = closer.token;
- // Length is only used for emphasis-specific "rule of 3",
- // if it's not defined (in strikethrough or 3rd party plugins),
- // we can default it to 0 to disable those checks.
-
- closer.length = closer.length || 0;
- if (!closer.close) continue;
- // Previously calculated lower bounds (previous fails)
- // for each marker, each delimiter length modulo 3,
- // and for whether this closer can be an opener;
- // https://github.com/commonmark/cmark/commit/34250e12ccebdc6372b8b49c44fab57c72443460
- /* eslint-disable-next-line no-prototype-builtins */ if (!openersBottom.hasOwnProperty(closer.marker)) {
- openersBottom[closer.marker] = [ -1, -1, -1, -1, -1, -1 ];
- }
- const minOpenerIdx = openersBottom[closer.marker][(closer.open ? 3 : 0) + closer.length % 3];
- let openerIdx = headerIdx - jumps[headerIdx] - 1;
- let newMinOpenerIdx = openerIdx;
- for (;openerIdx > minOpenerIdx; openerIdx -= jumps[openerIdx] + 1) {
- const opener = delimiters[openerIdx];
- if (opener.marker !== closer.marker) continue;
- if (opener.open && opener.end < 0) {
- let isOddMatch = false;
- // from spec:
-
- // If one of the delimiters can both open and close emphasis, then the
- // sum of the lengths of the delimiter runs containing the opening and
- // closing delimiters must not be a multiple of 3 unless both lengths
- // are multiples of 3.
-
- if (opener.close || closer.open) {
- if ((opener.length + closer.length) % 3 === 0) {
- if (opener.length % 3 !== 0 || closer.length % 3 !== 0) {
- isOddMatch = true;
- }
- }
- }
- if (!isOddMatch) {
- // If previous delimiter cannot be an opener, we can safely skip
- // the entire sequence in future checks. This is required to make
- // sure algorithm has linear complexity (see *_*_*_*_*_... case).
- const lastJump = openerIdx > 0 && !delimiters[openerIdx - 1].open ? jumps[openerIdx - 1] + 1 : 0;
- jumps[closerIdx] = closerIdx - openerIdx + lastJump;
- jumps[openerIdx] = lastJump;
- closer.open = false;
- opener.end = closerIdx;
- opener.close = false;
- newMinOpenerIdx = -1;
- // treat next token as start of run,
- // it optimizes skips in **<...>**a**<...>** pathological case
- lastTokenIdx = -2;
- break;
- }
- }
- }
- if (newMinOpenerIdx !== -1) {
- // If match for this delimiter run failed, we want to set lower bound for
- // future lookups. This is required to make sure algorithm has linear
- // complexity.
- // See details here:
- // https://github.com/commonmark/cmark/issues/178#issuecomment-270417442
- openersBottom[closer.marker][(closer.open ? 3 : 0) + (closer.length || 0) % 3] = newMinOpenerIdx;
- }
- }
- }
- function link_pairs(state) {
- const tokens_meta = state.tokens_meta;
- const max = state.tokens_meta.length;
- processDelimiters(state.delimiters);
- for (let curr = 0; curr < max; curr++) {
- if (tokens_meta[curr] && tokens_meta[curr].delimiters) {
- processDelimiters(tokens_meta[curr].delimiters);
- }
- }
- }
- // Clean up tokens after emphasis and strikethrough postprocessing:
- // merge adjacent text nodes into one and re-calculate all token levels
-
- // This is necessary because initially emphasis delimiter markers (*, _, ~)
- // are treated as their own separate text tokens. Then emphasis rule either
- // leaves them as text (needed to merge with adjacent text) or turns them
- // into opening/closing tags (which messes up levels inside).
-
- function fragments_join(state) {
- let curr, last;
- let level = 0;
- const tokens = state.tokens;
- const max = state.tokens.length;
- for (curr = last = 0; curr < max; curr++) {
- // re-calculate levels after emphasis/strikethrough turns some text nodes
- // into opening/closing tags
- if (tokens[curr].nesting < 0) level--;
- // closing tag
- tokens[curr].level = level;
- if (tokens[curr].nesting > 0) level++;
- // opening tag
- if (tokens[curr].type === "text" && curr + 1 < max && tokens[curr + 1].type === "text") {
- // collapse two adjacent text nodes
- tokens[curr + 1].content = tokens[curr].content + tokens[curr + 1].content;
- } else {
- if (curr !== last) {
- tokens[last] = tokens[curr];
- }
- last++;
- }
- }
- if (curr !== last) {
- tokens.length = last;
- }
- }
- /** internal
- * class ParserInline
- *
- * Tokenizes paragraph content.
- **/
- // Parser rules
- const _rules = [ [ "text", text ], [ "linkify", linkify ], [ "newline", newline ], [ "escape", escape ], [ "backticks", backtick ], [ "strikethrough", r_strikethrough.tokenize ], [ "emphasis", r_emphasis.tokenize ], [ "link", link ], [ "image", image ], [ "autolink", autolink ], [ "html_inline", html_inline ], [ "entity", entity ] ];
- // `rule2` ruleset was created specifically for emphasis/strikethrough
- // post-processing and may be changed in the future.
-
- // Don't use this for anything except pairs (plugins working with `balance_pairs`).
-
- const _rules2 = [ [ "balance_pairs", link_pairs ], [ "strikethrough", r_strikethrough.postProcess ], [ "emphasis", r_emphasis.postProcess ],
- // rules for pairs separate '**' into its own text tokens, which may be left unused,
- // rule below merges unused segments back with the rest of the text
- [ "fragments_join", fragments_join ] ];
- /**
- * new ParserInline()
- **/ function ParserInline() {
- /**
- * ParserInline#ruler -> Ruler
- *
- * [[Ruler]] instance. Keep configuration of inline rules.
- **/
- this.ruler = new Ruler;
- for (let i = 0; i < _rules.length; i++) {
- this.ruler.push(_rules[i][0], _rules[i][1]);
- }
- /**
- * ParserInline#ruler2 -> Ruler
- *
- * [[Ruler]] instance. Second ruler used for post-processing
- * (e.g. in emphasis-like rules).
- **/ this.ruler2 = new Ruler;
- for (let i = 0; i < _rules2.length; i++) {
- this.ruler2.push(_rules2[i][0], _rules2[i][1]);
- }
- }
- // Skip single token by running all rules in validation mode;
- // returns `true` if any rule reported success
-
- ParserInline.prototype.skipToken = function(state) {
- const pos = state.pos;
- const rules = this.ruler.getRules("");
- const len = rules.length;
- const maxNesting = state.md.options.maxNesting;
- const cache = state.cache;
- if (typeof cache[pos] !== "undefined") {
- state.pos = cache[pos];
- return;
- }
- let ok = false;
- if (state.level < maxNesting) {
- for (let i = 0; i < len; i++) {
- // Increment state.level and decrement it later to limit recursion.
- // It's harmless to do here, because no tokens are created. But ideally,
- // we'd need a separate private state variable for this purpose.
- state.level++;
- ok = rules[i](state, true);
- state.level--;
- if (ok) {
- if (pos >= state.pos) {
- throw new Error("inline rule didn't increment state.pos");
- }
- break;
- }
- }
- } else {
- // Too much nesting, just skip until the end of the paragraph.
- // NOTE: this will cause links to behave incorrectly in the following case,
- // when an amount of `[` is exactly equal to `maxNesting + 1`:
- // [[[[[[[[[[[[[[[[[[[[[foo]()
- // TODO: remove this workaround when CM standard will allow nested links
- // (we can replace it by preventing links from being parsed in
- // validation mode)
- state.pos = state.posMax;
- }
- if (!ok) {
- state.pos++;
- }
- cache[pos] = state.pos;
- };
- // Generate tokens for input range
-
- ParserInline.prototype.tokenize = function(state) {
- const rules = this.ruler.getRules("");
- const len = rules.length;
- const end = state.posMax;
- const maxNesting = state.md.options.maxNesting;
- while (state.pos < end) {
- // Try all possible rules.
- // On success, rule should:
- // - update `state.pos`
- // - update `state.tokens`
- // - return true
- const prevPos = state.pos;
- let ok = false;
- if (state.level < maxNesting) {
- for (let i = 0; i < len; i++) {
- ok = rules[i](state, false);
- if (ok) {
- if (prevPos >= state.pos) {
- throw new Error("inline rule didn't increment state.pos");
- }
- break;
- }
- }
- }
- if (ok) {
- if (state.pos >= end) {
- break;
- }
- continue;
- }
- state.pending += state.src[state.pos++];
- }
- if (state.pending) {
- state.pushPending();
- }
- };
- /**
- * ParserInline.parse(str, md, env, outTokens)
- *
- * Process input string and push inline tokens into `outTokens`
- **/ ParserInline.prototype.parse = function(str, md, env, outTokens) {
- const state = new this.State(str, md, env, outTokens);
- this.tokenize(state);
- const rules = this.ruler2.getRules("");
- const len = rules.length;
- for (let i = 0; i < len; i++) {
- rules[i](state);
- }
- };
- ParserInline.prototype.State = StateInline;
- function reFactory(opts) {
- const re = {};
- opts = opts || {};
- re.src_Any = Any.source;
- re.src_Cc = Cc.source;
- re.src_Z = Z.source;
- re.src_P = P.source;
- // \p{\Z\P\Cc\CF} (white spaces + control + format + punctuation)
- re.src_ZPCc = [ re.src_Z, re.src_P, re.src_Cc ].join("|");
- // \p{\Z\Cc} (white spaces + control)
- re.src_ZCc = [ re.src_Z, re.src_Cc ].join("|");
- // Experimental. List of chars, completely prohibited in links
- // because can separate it from other part of text
- const text_separators = "[><\uff5c]";
- // All possible word characters (everything without punctuation, spaces & controls)
- // Defined via punctuation & spaces to save space
- // Should be something like \p{\L\N\S\M} (\w but without `_`)
- re.src_pseudo_letter = "(?:(?!" + text_separators + "|" + re.src_ZPCc + ")" + re.src_Any + ")";
- // The same as abothe but without [0-9]
- // var src_pseudo_letter_non_d = '(?:(?![0-9]|' + src_ZPCc + ')' + src_Any + ')';
- re.src_ip4 = "(?:(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\.){3}(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)";
- // Prohibit any of "@/[]()" in user/pass to avoid wrong domain fetch.
- re.src_auth = "(?:(?:(?!" + re.src_ZCc + "|[@/\\[\\]()]).)+@)?";
- re.src_port = "(?::(?:6(?:[0-4]\\d{3}|5(?:[0-4]\\d{2}|5(?:[0-2]\\d|3[0-5])))|[1-5]?\\d{1,4}))?";
- re.src_host_terminator = "(?=$|" + text_separators + "|" + re.src_ZPCc + ")" + "(?!" + (opts["---"] ? "-(?!--)|" : "-|") + "_|:\\d|\\.-|\\.(?!$|" + re.src_ZPCc + "))";
- re.src_path = "(?:" + "[/?#]" + "(?:" + "(?!" + re.src_ZCc + "|" + text_separators + "|[()[\\]{}.,\"'?!\\-;]).|" + "\\[(?:(?!" + re.src_ZCc + "|\\]).)*\\]|" + "\\((?:(?!" + re.src_ZCc + "|[)]).)*\\)|" + "\\{(?:(?!" + re.src_ZCc + "|[}]).)*\\}|" + '\\"(?:(?!' + re.src_ZCc + '|["]).)+\\"|' + "\\'(?:(?!" + re.src_ZCc + "|[']).)+\\'|" +
- // allow `I'm_king` if no pair found
- "\\'(?=" + re.src_pseudo_letter + "|[-])|" +
- // google has many dots in "google search" links (#66, #81).
- // github has ... in commit range links,
- // Restrict to
- // - english
- // - percent-encoded
- // - parts of file path
- // - params separator
- // until more examples found.
- "\\.{2,}[a-zA-Z0-9%/&]|" + "\\.(?!" + re.src_ZCc + "|[.]|$)|" + (opts["---"] ? "\\-(?!--(?:[^-]|$))(?:-*)|" : "\\-+|") +
- // allow `,,,` in paths
- ",(?!" + re.src_ZCc + "|$)|" +
- // allow `;` if not followed by space-like char
- ";(?!" + re.src_ZCc + "|$)|" +
- // allow `!!!` in paths, but not at the end
- "\\!+(?!" + re.src_ZCc + "|[!]|$)|" + "\\?(?!" + re.src_ZCc + "|[?]|$)" + ")+" + "|\\/" + ")?";
- // Allow anything in markdown spec, forbid quote (") at the first position
- // because emails enclosed in quotes are far more common
- re.src_email_name = '[\\-;:&=\\+\\$,\\.a-zA-Z0-9_][\\-;:&=\\+\\$,\\"\\.a-zA-Z0-9_]*';
- re.src_xn = "xn--[a-z0-9\\-]{1,59}";
- // More to read about domain names
- // http://serverfault.com/questions/638260/
- re.src_domain_root =
- // Allow letters & digits (http://test1)
- "(?:" + re.src_xn + "|" + re.src_pseudo_letter + "{1,63}" + ")";
- re.src_domain = "(?:" + re.src_xn + "|" + "(?:" + re.src_pseudo_letter + ")" + "|" + "(?:" + re.src_pseudo_letter + "(?:-|" + re.src_pseudo_letter + "){0,61}" + re.src_pseudo_letter + ")" + ")";
- re.src_host = "(?:" +
- // Don't need IP check, because digits are already allowed in normal domain names
- // src_ip4 +
- // '|' +
- "(?:(?:(?:" + re.src_domain + ")\\.)*" + re.src_domain /* _root */ + ")" + ")";
- re.tpl_host_fuzzy = "(?:" + re.src_ip4 + "|" + "(?:(?:(?:" + re.src_domain + ")\\.)+(?:%TLDS%))" + ")";
- re.tpl_host_no_ip_fuzzy = "(?:(?:(?:" + re.src_domain + ")\\.)+(?:%TLDS%))";
- re.src_host_strict = re.src_host + re.src_host_terminator;
- re.tpl_host_fuzzy_strict = re.tpl_host_fuzzy + re.src_host_terminator;
- re.src_host_port_strict = re.src_host + re.src_port + re.src_host_terminator;
- re.tpl_host_port_fuzzy_strict = re.tpl_host_fuzzy + re.src_port + re.src_host_terminator;
- re.tpl_host_port_no_ip_fuzzy_strict = re.tpl_host_no_ip_fuzzy + re.src_port + re.src_host_terminator;
-
- // Main rules
-
- // Rude test fuzzy links by host, for quick deny
- re.tpl_host_fuzzy_test = "localhost|www\\.|\\.\\d{1,3}\\.|(?:\\.(?:%TLDS%)(?:" + re.src_ZPCc + "|>|$))";
- re.tpl_email_fuzzy = "(^|" + text_separators + '|"|\\(|' + re.src_ZCc + ")" + "(" + re.src_email_name + "@" + re.tpl_host_fuzzy_strict + ")";
- re.tpl_link_fuzzy =
- // Fuzzy link can't be prepended with .:/\- and non punctuation.
- // but can start with > (markdown blockquote)
- "(^|(?![.:/\\-_@])(?:[$+<=>^`|\uff5c]|" + re.src_ZPCc + "))" + "((?![$+<=>^`|\uff5c])" + re.tpl_host_port_fuzzy_strict + re.src_path + ")";
- re.tpl_link_no_ip_fuzzy =
- // Fuzzy link can't be prepended with .:/\- and non punctuation.
- // but can start with > (markdown blockquote)
- "(^|(?![.:/\\-_@])(?:[$+<=>^`|\uff5c]|" + re.src_ZPCc + "))" + "((?![$+<=>^`|\uff5c])" + re.tpl_host_port_no_ip_fuzzy_strict + re.src_path + ")";
- return re;
- }
-
- // Helpers
-
- // Merge objects
-
- function assign(obj /* from1, from2, from3, ... */) {
- const sources = Array.prototype.slice.call(arguments, 1);
- sources.forEach((function(source) {
- if (!source) {
- return;
- }
- Object.keys(source).forEach((function(key) {
- obj[key] = source[key];
- }));
- }));
- return obj;
- }
- function _class(obj) {
- return Object.prototype.toString.call(obj);
- }
- function isString(obj) {
- return _class(obj) === "[object String]";
- }
- function isObject(obj) {
- return _class(obj) === "[object Object]";
- }
- function isRegExp(obj) {
- return _class(obj) === "[object RegExp]";
- }
- function isFunction(obj) {
- return _class(obj) === "[object Function]";
- }
- function escapeRE(str) {
- return str.replace(/[.?*+^$[\]\\(){}|-]/g, "\\$&");
- }
-
- const defaultOptions = {
- fuzzyLink: true,
- fuzzyEmail: true,
- fuzzyIP: false
- };
- function isOptionsObj(obj) {
- return Object.keys(obj || {}).reduce((function(acc, k) {
- /* eslint-disable-next-line no-prototype-builtins */
- return acc || defaultOptions.hasOwnProperty(k);
- }), false);
- }
- const defaultSchemas = {
- "http:": {
- validate: function(text, pos, self) {
- const tail = text.slice(pos);
- if (!self.re.http) {
- // compile lazily, because "host"-containing variables can change on tlds update.
- self.re.http = new RegExp("^\\/\\/" + self.re.src_auth + self.re.src_host_port_strict + self.re.src_path, "i");
- }
- if (self.re.http.test(tail)) {
- return tail.match(self.re.http)[0].length;
- }
- return 0;
- }
- },
- "https:": "http:",
- "ftp:": "http:",
- "//": {
- validate: function(text, pos, self) {
- const tail = text.slice(pos);
- if (!self.re.no_http) {
- // compile lazily, because "host"-containing variables can change on tlds update.
- self.re.no_http = new RegExp("^" + self.re.src_auth +
- // Don't allow single-level domains, because of false positives like '//test'
- // with code comments
- "(?:localhost|(?:(?:" + self.re.src_domain + ")\\.)+" + self.re.src_domain_root + ")" + self.re.src_port + self.re.src_host_terminator + self.re.src_path, "i");
- }
- if (self.re.no_http.test(tail)) {
- // should not be `://` & `///`, that protects from errors in protocol name
- if (pos >= 3 && text[pos - 3] === ":") {
- return 0;
- }
- if (pos >= 3 && text[pos - 3] === "/") {
- return 0;
- }
- return tail.match(self.re.no_http)[0].length;
- }
- return 0;
- }
- },
- "mailto:": {
- validate: function(text, pos, self) {
- const tail = text.slice(pos);
- if (!self.re.mailto) {
- self.re.mailto = new RegExp("^" + self.re.src_email_name + "@" + self.re.src_host_strict, "i");
- }
- if (self.re.mailto.test(tail)) {
- return tail.match(self.re.mailto)[0].length;
- }
- return 0;
- }
- }
- };
- // RE pattern for 2-character tlds (autogenerated by ./support/tlds_2char_gen.js)
- /* eslint-disable-next-line max-len */ const tlds_2ch_src_re = "a[cdefgilmnoqrstuwxz]|b[abdefghijmnorstvwyz]|c[acdfghiklmnoruvwxyz]|d[ejkmoz]|e[cegrstu]|f[ijkmor]|g[abdefghilmnpqrstuwy]|h[kmnrtu]|i[delmnoqrst]|j[emop]|k[eghimnprwyz]|l[abcikrstuvy]|m[acdeghklmnopqrstuvwxyz]|n[acefgilopruz]|om|p[aefghklmnrstwy]|qa|r[eosuw]|s[abcdeghijklmnortuvxyz]|t[cdfghjklmnortvwz]|u[agksyz]|v[aceginu]|w[fs]|y[et]|z[amw]";
- // DON'T try to make PRs with changes. Extend TLDs with LinkifyIt.tlds() instead
- const tlds_default = "biz|com|edu|gov|net|org|pro|web|xxx|aero|asia|coop|info|museum|name|shop|\u0440\u0444".split("|");
- function resetScanCache(self) {
- self.__index__ = -1;
- self.__text_cache__ = "";
- }
- function createValidator(re) {
- return function(text, pos) {
- const tail = text.slice(pos);
- if (re.test(tail)) {
- return tail.match(re)[0].length;
- }
- return 0;
- };
- }
- function createNormalizer() {
- return function(match, self) {
- self.normalize(match);
- };
- }
- // Schemas compiler. Build regexps.
-
- function compile(self) {
- // Load & clone RE patterns.
- const re = self.re = reFactory(self.__opts__);
- // Define dynamic patterns
- const tlds = self.__tlds__.slice();
- self.onCompile();
- if (!self.__tlds_replaced__) {
- tlds.push(tlds_2ch_src_re);
- }
- tlds.push(re.src_xn);
- re.src_tlds = tlds.join("|");
- function untpl(tpl) {
- return tpl.replace("%TLDS%", re.src_tlds);
- }
- re.email_fuzzy = RegExp(untpl(re.tpl_email_fuzzy), "i");
- re.link_fuzzy = RegExp(untpl(re.tpl_link_fuzzy), "i");
- re.link_no_ip_fuzzy = RegExp(untpl(re.tpl_link_no_ip_fuzzy), "i");
- re.host_fuzzy_test = RegExp(untpl(re.tpl_host_fuzzy_test), "i");
-
- // Compile each schema
-
- const aliases = [];
- self.__compiled__ = {};
- // Reset compiled data
- function schemaError(name, val) {
- throw new Error('(LinkifyIt) Invalid schema "' + name + '": ' + val);
- }
- Object.keys(self.__schemas__).forEach((function(name) {
- const val = self.__schemas__[name];
- // skip disabled methods
- if (val === null) {
- return;
- }
- const compiled = {
- validate: null,
- link: null
- };
- self.__compiled__[name] = compiled;
- if (isObject(val)) {
- if (isRegExp(val.validate)) {
- compiled.validate = createValidator(val.validate);
- } else if (isFunction(val.validate)) {
- compiled.validate = val.validate;
- } else {
- schemaError(name, val);
- }
- if (isFunction(val.normalize)) {
- compiled.normalize = val.normalize;
- } else if (!val.normalize) {
- compiled.normalize = createNormalizer();
- } else {
- schemaError(name, val);
- }
- return;
- }
- if (isString(val)) {
- aliases.push(name);
- return;
- }
- schemaError(name, val);
- }));
-
- // Compile postponed aliases
-
- aliases.forEach((function(alias) {
- if (!self.__compiled__[self.__schemas__[alias]]) {
- // Silently fail on missed schemas to avoid errons on disable.
- // schemaError(alias, self.__schemas__[alias]);
- return;
- }
- self.__compiled__[alias].validate = self.__compiled__[self.__schemas__[alias]].validate;
- self.__compiled__[alias].normalize = self.__compiled__[self.__schemas__[alias]].normalize;
- }));
-
- // Fake record for guessed links
-
- self.__compiled__[""] = {
- validate: null,
- normalize: createNormalizer()
- };
-
- // Build schema condition
-
- const slist = Object.keys(self.__compiled__).filter((function(name) {
- // Filter disabled & fake schemas
- return name.length > 0 && self.__compiled__[name];
- })).map(escapeRE).join("|");
- // (?!_) cause 1.5x slowdown
- self.re.schema_test = RegExp("(^|(?!_)(?:[><\uff5c]|" + re.src_ZPCc + "))(" + slist + ")", "i");
- self.re.schema_search = RegExp("(^|(?!_)(?:[><\uff5c]|" + re.src_ZPCc + "))(" + slist + ")", "ig");
- self.re.schema_at_start = RegExp("^" + self.re.schema_search.source, "i");
- self.re.pretest = RegExp("(" + self.re.schema_test.source + ")|(" + self.re.host_fuzzy_test.source + ")|@", "i");
-
- // Cleanup
-
- resetScanCache(self);
- }
- /**
- * class Match
- *
- * Match result. Single element of array, returned by [[LinkifyIt#match]]
- **/ function Match(self, shift) {
- const start = self.__index__;
- const end = self.__last_index__;
- const text = self.__text_cache__.slice(start, end);
- /**
- * Match#schema -> String
- *
- * Prefix (protocol) for matched string.
- **/ this.schema = self.__schema__.toLowerCase();
- /**
- * Match#index -> Number
- *
- * First position of matched string.
- **/ this.index = start + shift;
- /**
- * Match#lastIndex -> Number
- *
- * Next position after matched string.
- **/ this.lastIndex = end + shift;
- /**
- * Match#raw -> String
- *
- * Matched string.
- **/ this.raw = text;
- /**
- * Match#text -> String
- *
- * Notmalized text of matched string.
- **/ this.text = text;
- /**
- * Match#url -> String
- *
- * Normalized url of matched string.
- **/ this.url = text;
- }
- function createMatch(self, shift) {
- const match = new Match(self, shift);
- self.__compiled__[match.schema].normalize(match, self);
- return match;
- }
- /**
- * class LinkifyIt
- **/
- /**
- * new LinkifyIt(schemas, options)
- * - schemas (Object): Optional. Additional schemas to validate (prefix/validator)
- * - options (Object): { fuzzyLink|fuzzyEmail|fuzzyIP: true|false }
- *
- * Creates new linkifier instance with optional additional schemas.
- * Can be called without `new` keyword for convenience.
- *
- * By default understands:
- *
- * - `http(s)://...` , `ftp://...`, `mailto:...` & `//...` links
- * - "fuzzy" links and emails (example.com, foo@bar.com).
- *
- * `schemas` is an object, where each key/value describes protocol/rule:
- *
- * - __key__ - link prefix (usually, protocol name with `:` at the end, `skype:`
- * for example). `linkify-it` makes shure that prefix is not preceeded with
- * alphanumeric char and symbols. Only whitespaces and punctuation allowed.
- * - __value__ - rule to check tail after link prefix
- * - _String_ - just alias to existing rule
- * - _Object_
- * - _validate_ - validator function (should return matched length on success),
- * or `RegExp`.
- * - _normalize_ - optional function to normalize text & url of matched result
- * (for example, for @twitter mentions).
- *
- * `options`:
- *
- * - __fuzzyLink__ - recognige URL-s without `http(s):` prefix. Default `true`.
- * - __fuzzyIP__ - allow IPs in fuzzy links above. Can conflict with some texts
- * like version numbers. Default `false`.
- * - __fuzzyEmail__ - recognize emails without `mailto:` prefix.
- *
- **/ function LinkifyIt(schemas, options) {
- if (!(this instanceof LinkifyIt)) {
- return new LinkifyIt(schemas, options);
- }
- if (!options) {
- if (isOptionsObj(schemas)) {
- options = schemas;
- schemas = {};
- }
- }
- this.__opts__ = assign({}, defaultOptions, options);
- // Cache last tested result. Used to skip repeating steps on next `match` call.
- this.__index__ = -1;
- this.__last_index__ = -1;
- // Next scan position
- this.__schema__ = "";
- this.__text_cache__ = "";
- this.__schemas__ = assign({}, defaultSchemas, schemas);
- this.__compiled__ = {};
- this.__tlds__ = tlds_default;
- this.__tlds_replaced__ = false;
- this.re = {};
- compile(this);
- }
- /** chainable
- * LinkifyIt#add(schema, definition)
- * - schema (String): rule name (fixed pattern prefix)
- * - definition (String|RegExp|Object): schema definition
- *
- * Add new rule definition. See constructor description for details.
- **/ LinkifyIt.prototype.add = function add(schema, definition) {
- this.__schemas__[schema] = definition;
- compile(this);
- return this;
- };
- /** chainable
- * LinkifyIt#set(options)
- * - options (Object): { fuzzyLink|fuzzyEmail|fuzzyIP: true|false }
- *
- * Set recognition options for links without schema.
- **/ LinkifyIt.prototype.set = function set(options) {
- this.__opts__ = assign(this.__opts__, options);
- return this;
- };
- /**
- * LinkifyIt#test(text) -> Boolean
- *
- * Searches linkifiable pattern and returns `true` on success or `false` on fail.
- **/ LinkifyIt.prototype.test = function test(text) {
- // Reset scan cache
- this.__text_cache__ = text;
- this.__index__ = -1;
- if (!text.length) {
- return false;
- }
- let m, ml, me, len, shift, next, re, tld_pos, at_pos;
- // try to scan for link with schema - that's the most simple rule
- if (this.re.schema_test.test(text)) {
- re = this.re.schema_search;
- re.lastIndex = 0;
- while ((m = re.exec(text)) !== null) {
- len = this.testSchemaAt(text, m[2], re.lastIndex);
- if (len) {
- this.__schema__ = m[2];
- this.__index__ = m.index + m[1].length;
- this.__last_index__ = m.index + m[0].length + len;
- break;
- }
- }
- }
- if (this.__opts__.fuzzyLink && this.__compiled__["http:"]) {
- // guess schemaless links
- tld_pos = text.search(this.re.host_fuzzy_test);
- if (tld_pos >= 0) {
- // if tld is located after found link - no need to check fuzzy pattern
- if (this.__index__ < 0 || tld_pos < this.__index__) {
- if ((ml = text.match(this.__opts__.fuzzyIP ? this.re.link_fuzzy : this.re.link_no_ip_fuzzy)) !== null) {
- shift = ml.index + ml[1].length;
- if (this.__index__ < 0 || shift < this.__index__) {
- this.__schema__ = "";
- this.__index__ = shift;
- this.__last_index__ = ml.index + ml[0].length;
- }
- }
- }
- }
- }
- if (this.__opts__.fuzzyEmail && this.__compiled__["mailto:"]) {
- // guess schemaless emails
- at_pos = text.indexOf("@");
- if (at_pos >= 0) {
- // We can't skip this check, because this cases are possible:
- // 192.168.1.1@gmail.com, my.in@example.com
- if ((me = text.match(this.re.email_fuzzy)) !== null) {
- shift = me.index + me[1].length;
- next = me.index + me[0].length;
- if (this.__index__ < 0 || shift < this.__index__ || shift === this.__index__ && next > this.__last_index__) {
- this.__schema__ = "mailto:";
- this.__index__ = shift;
- this.__last_index__ = next;
- }
- }
- }
- }
- return this.__index__ >= 0;
- };
- /**
- * LinkifyIt#pretest(text) -> Boolean
- *
- * Very quick check, that can give false positives. Returns true if link MAY BE
- * can exists. Can be used for speed optimization, when you need to check that
- * link NOT exists.
- **/ LinkifyIt.prototype.pretest = function pretest(text) {
- return this.re.pretest.test(text);
- };
- /**
- * LinkifyIt#testSchemaAt(text, name, position) -> Number
- * - text (String): text to scan
- * - name (String): rule (schema) name
- * - position (Number): text offset to check from
- *
- * Similar to [[LinkifyIt#test]] but checks only specific protocol tail exactly
- * at given position. Returns length of found pattern (0 on fail).
- **/ LinkifyIt.prototype.testSchemaAt = function testSchemaAt(text, schema, pos) {
- // If not supported schema check requested - terminate
- if (!this.__compiled__[schema.toLowerCase()]) {
- return 0;
- }
- return this.__compiled__[schema.toLowerCase()].validate(text, pos, this);
- };
- /**
- * LinkifyIt#match(text) -> Array|null
- *
- * Returns array of found link descriptions or `null` on fail. We strongly
- * recommend to use [[LinkifyIt#test]] first, for best speed.
- *
- * ##### Result match description
- *
- * - __schema__ - link schema, can be empty for fuzzy links, or `//` for
- * protocol-neutral links.
- * - __index__ - offset of matched text
- * - __lastIndex__ - index of next char after mathch end
- * - __raw__ - matched text
- * - __text__ - normalized text
- * - __url__ - link, generated from matched text
- **/ LinkifyIt.prototype.match = function match(text) {
- const result = [];
- let shift = 0;
- // Try to take previous element from cache, if .test() called before
- if (this.__index__ >= 0 && this.__text_cache__ === text) {
- result.push(createMatch(this, shift));
- shift = this.__last_index__;
- }
- // Cut head if cache was used
- let tail = shift ? text.slice(shift) : text;
- // Scan string until end reached
- while (this.test(tail)) {
- result.push(createMatch(this, shift));
- tail = tail.slice(this.__last_index__);
- shift += this.__last_index__;
- }
- if (result.length) {
- return result;
- }
- return null;
- };
- /**
- * LinkifyIt#matchAtStart(text) -> Match|null
- *
- * Returns fully-formed (not fuzzy) link if it starts at the beginning
- * of the string, and null otherwise.
- **/ LinkifyIt.prototype.matchAtStart = function matchAtStart(text) {
- // Reset scan cache
- this.__text_cache__ = text;
- this.__index__ = -1;
- if (!text.length) return null;
- const m = this.re.schema_at_start.exec(text);
- if (!m) return null;
- const len = this.testSchemaAt(text, m[2], m[0].length);
- if (!len) return null;
- this.__schema__ = m[2];
- this.__index__ = m.index + m[1].length;
- this.__last_index__ = m.index + m[0].length + len;
- return createMatch(this, 0);
- };
- /** chainable
- * LinkifyIt#tlds(list [, keepOld]) -> this
- * - list (Array): list of tlds
- * - keepOld (Boolean): merge with current list if `true` (`false` by default)
- *
- * Load (or merge) new tlds list. Those are user for fuzzy links (without prefix)
- * to avoid false positives. By default this algorythm used:
- *
- * - hostname with any 2-letter root zones are ok.
- * - biz|com|edu|gov|net|org|pro|web|xxx|aero|asia|coop|info|museum|name|shop|рф
- * are ok.
- * - encoded (`xn--...`) root zones are ok.
- *
- * If list is replaced, then exact match for 2-chars root zones will be checked.
- **/ LinkifyIt.prototype.tlds = function tlds(list, keepOld) {
- list = Array.isArray(list) ? list : [ list ];
- if (!keepOld) {
- this.__tlds__ = list.slice();
- this.__tlds_replaced__ = true;
- compile(this);
- return this;
- }
- this.__tlds__ = this.__tlds__.concat(list).sort().filter((function(el, idx, arr) {
- return el !== arr[idx - 1];
- })).reverse();
- compile(this);
- return this;
- };
- /**
- * LinkifyIt#normalize(match)
- *
- * Default normalizer (if schema does not define it's own).
- **/ LinkifyIt.prototype.normalize = function normalize(match) {
- // Do minimal possible changes by default. Need to collect feedback prior
- // to move forward https://github.com/markdown-it/linkify-it/issues/1
- if (!match.schema) {
- match.url = "http://" + match.url;
- }
- if (match.schema === "mailto:" && !/^mailto:/i.test(match.url)) {
- match.url = "mailto:" + match.url;
- }
- };
- /**
- * LinkifyIt#onCompile()
- *
- * Override to modify basic RegExp-s.
- **/ LinkifyIt.prototype.onCompile = function onCompile() {};
- /** Highest positive signed 32-bit float value */ const maxInt = 2147483647;
- // aka. 0x7FFFFFFF or 2^31-1
- /** Bootstring parameters */ const base = 36;
- const tMin = 1;
- const tMax = 26;
- const skew = 38;
- const damp = 700;
- const initialBias = 72;
- const initialN = 128;
- // 0x80
- const delimiter = "-";
- // '\x2D'
- /** Regular expressions */ const regexPunycode = /^xn--/;
- const regexNonASCII = /[^\0-\x7F]/;
- // Note: U+007F DEL is excluded too.
- const regexSeparators = /[\x2E\u3002\uFF0E\uFF61]/g;
- // RFC 3490 separators
- /** Error messages */ const errors = {
- overflow: "Overflow: input needs wider integers to process",
- "not-basic": "Illegal input >= 0x80 (not a basic code point)",
- "invalid-input": "Invalid input"
- };
- /** Convenience shortcuts */ const baseMinusTMin = base - tMin;
- const floor = Math.floor;
- const stringFromCharCode = String.fromCharCode;
- /*--------------------------------------------------------------------------*/
- /**
- * A generic error utility function.
- * @private
- * @param {String} type The error type.
- * @returns {Error} Throws a `RangeError` with the applicable error message.
- */ function error(type) {
- throw new RangeError(errors[type]);
- }
- /**
- * A generic `Array#map` utility function.
- * @private
- * @param {Array} array The array to iterate over.
- * @param {Function} callback The function that gets called for every array
- * item.
- * @returns {Array} A new array of values returned by the callback function.
- */ function map(array, callback) {
- const result = [];
- let length = array.length;
- while (length--) {
- result[length] = callback(array[length]);
- }
- return result;
- }
- /**
- * A simple `Array#map`-like wrapper to work with domain name strings or email
- * addresses.
- * @private
- * @param {String} domain The domain name or email address.
- * @param {Function} callback The function that gets called for every
- * character.
- * @returns {String} A new string of characters returned by the callback
- * function.
- */ function mapDomain(domain, callback) {
- const parts = domain.split("@");
- let result = "";
- if (parts.length > 1) {
- // In email addresses, only the domain name should be punycoded. Leave
- // the local part (i.e. everything up to `@`) intact.
- result = parts[0] + "@";
- domain = parts[1];
- }
- // Avoid `split(regex)` for IE8 compatibility. See #17.
- domain = domain.replace(regexSeparators, ".");
- const labels = domain.split(".");
- const encoded = map(labels, callback).join(".");
- return result + encoded;
- }
- /**
- * Creates an array containing the numeric code points of each Unicode
- * character in the string. While JavaScript uses UCS-2 internally,
- * this function will convert a pair of surrogate halves (each of which
- * UCS-2 exposes as separate characters) into a single code point,
- * matching UTF-16.
- * @see `punycode.ucs2.encode`
- * @see <https://mathiasbynens.be/notes/javascript-encoding>
- * @memberOf punycode.ucs2
- * @name decode
- * @param {String} string The Unicode input string (UCS-2).
- * @returns {Array} The new array of code points.
- */ function ucs2decode(string) {
- const output = [];
- let counter = 0;
- const length = string.length;
- while (counter < length) {
- const value = string.charCodeAt(counter++);
- if (value >= 55296 && value <= 56319 && counter < length) {
- // It's a high surrogate, and there is a next character.
- const extra = string.charCodeAt(counter++);
- if ((extra & 64512) == 56320) {
- // Low surrogate.
- output.push(((value & 1023) << 10) + (extra & 1023) + 65536);
- } else {
- // It's an unmatched surrogate; only append this code unit, in case the
- // next code unit is the high surrogate of a surrogate pair.
- output.push(value);
- counter--;
- }
- } else {
- output.push(value);
- }
- }
- return output;
- }
- /**
- * Creates a string based on an array of numeric code points.
- * @see `punycode.ucs2.decode`
- * @memberOf punycode.ucs2
- * @name encode
- * @param {Array} codePoints The array of numeric code points.
- * @returns {String} The new Unicode string (UCS-2).
- */ const ucs2encode = codePoints => String.fromCodePoint(...codePoints)
- /**
- * Converts a basic code point into a digit/integer.
- * @see `digitToBasic()`
- * @private
- * @param {Number} codePoint The basic numeric code point value.
- * @returns {Number} The numeric value of a basic code point (for use in
- * representing integers) in the range `0` to `base - 1`, or `base` if
- * the code point does not represent a value.
- */;
- const basicToDigit = function(codePoint) {
- if (codePoint >= 48 && codePoint < 58) {
- return 26 + (codePoint - 48);
- }
- if (codePoint >= 65 && codePoint < 91) {
- return codePoint - 65;
- }
- if (codePoint >= 97 && codePoint < 123) {
- return codePoint - 97;
- }
- return base;
- };
- /**
- * Converts a digit/integer into a basic code point.
- * @see `basicToDigit()`
- * @private
- * @param {Number} digit The numeric value of a basic code point.
- * @returns {Number} The basic code point whose value (when used for
- * representing integers) is `digit`, which needs to be in the range
- * `0` to `base - 1`. If `flag` is non-zero, the uppercase form is
- * used; else, the lowercase form is used. The behavior is undefined
- * if `flag` is non-zero and `digit` has no uppercase form.
- */ const digitToBasic = function(digit, flag) {
- // 0..25 map to ASCII a..z or A..Z
- // 26..35 map to ASCII 0..9
- return digit + 22 + 75 * (digit < 26) - ((flag != 0) << 5);
- };
- /**
- * Bias adaptation function as per section 3.4 of RFC 3492.
- * https://tools.ietf.org/html/rfc3492#section-3.4
- * @private
- */ const adapt = function(delta, numPoints, firstTime) {
- let k = 0;
- delta = firstTime ? floor(delta / damp) : delta >> 1;
- delta += floor(delta / numPoints);
- for (;delta > baseMinusTMin * tMax >> 1; k += base) {
- delta = floor(delta / baseMinusTMin);
- }
- return floor(k + (baseMinusTMin + 1) * delta / (delta + skew));
- };
- /**
- * Converts a Punycode string of ASCII-only symbols to a string of Unicode
- * symbols.
- * @memberOf punycode
- * @param {String} input The Punycode string of ASCII-only symbols.
- * @returns {String} The resulting string of Unicode symbols.
- */ const decode = function(input) {
- // Don't use UCS-2.
- const output = [];
- const inputLength = input.length;
- let i = 0;
- let n = initialN;
- let bias = initialBias;
- // Handle the basic code points: let `basic` be the number of input code
- // points before the last delimiter, or `0` if there is none, then copy
- // the first basic code points to the output.
- let basic = input.lastIndexOf(delimiter);
- if (basic < 0) {
- basic = 0;
- }
- for (let j = 0; j < basic; ++j) {
- // if it's not a basic code point
- if (input.charCodeAt(j) >= 128) {
- error("not-basic");
- }
- output.push(input.charCodeAt(j));
- }
- // Main decoding loop: start just after the last delimiter if any basic code
- // points were copied; start at the beginning otherwise.
- for (let index = basic > 0 ? basic + 1 : 0; index < inputLength; ) {
- // `index` is the index of the next character to be consumed.
- // Decode a generalized variable-length integer into `delta`,
- // which gets added to `i`. The overflow checking is easier
- // if we increase `i` as we go, then subtract off its starting
- // value at the end to obtain `delta`.
- const oldi = i;
- for (let w = 1, k = base; ;k += base) {
- if (index >= inputLength) {
- error("invalid-input");
- }
- const digit = basicToDigit(input.charCodeAt(index++));
- if (digit >= base) {
- error("invalid-input");
- }
- if (digit > floor((maxInt - i) / w)) {
- error("overflow");
- }
- i += digit * w;
- const t = k <= bias ? tMin : k >= bias + tMax ? tMax : k - bias;
- if (digit < t) {
- break;
- }
- const baseMinusT = base - t;
- if (w > floor(maxInt / baseMinusT)) {
- error("overflow");
- }
- w *= baseMinusT;
- }
- const out = output.length + 1;
- bias = adapt(i - oldi, out, oldi == 0);
- // `i` was supposed to wrap around from `out` to `0`,
- // incrementing `n` each time, so we'll fix that now:
- if (floor(i / out) > maxInt - n) {
- error("overflow");
- }
- n += floor(i / out);
- i %= out;
- // Insert `n` at position `i` of the output.
- output.splice(i++, 0, n);
- }
- return String.fromCodePoint(...output);
- };
- /**
- * Converts a string of Unicode symbols (e.g. a domain name label) to a
- * Punycode string of ASCII-only symbols.
- * @memberOf punycode
- * @param {String} input The string of Unicode symbols.
- * @returns {String} The resulting Punycode string of ASCII-only symbols.
- */ const encode = function(input) {
- const output = [];
- // Convert the input in UCS-2 to an array of Unicode code points.
- input = ucs2decode(input);
- // Cache the length.
- const inputLength = input.length;
- // Initialize the state.
- let n = initialN;
- let delta = 0;
- let bias = initialBias;
- // Handle the basic code points.
- for (const currentValue of input) {
- if (currentValue < 128) {
- output.push(stringFromCharCode(currentValue));
- }
- }
- const basicLength = output.length;
- let handledCPCount = basicLength;
- // `handledCPCount` is the number of code points that have been handled;
- // `basicLength` is the number of basic code points.
- // Finish the basic string with a delimiter unless it's empty.
- if (basicLength) {
- output.push(delimiter);
- }
- // Main encoding loop:
- while (handledCPCount < inputLength) {
- // All non-basic code points < n have been handled already. Find the next
- // larger one:
- let m = maxInt;
- for (const currentValue of input) {
- if (currentValue >= n && currentValue < m) {
- m = currentValue;
- }
- }
- // Increase `delta` enough to advance the decoder's <n,i> state to <m,0>,
- // but guard against overflow.
- const handledCPCountPlusOne = handledCPCount + 1;
- if (m - n > floor((maxInt - delta) / handledCPCountPlusOne)) {
- error("overflow");
- }
- delta += (m - n) * handledCPCountPlusOne;
- n = m;
- for (const currentValue of input) {
- if (currentValue < n && ++delta > maxInt) {
- error("overflow");
- }
- if (currentValue === n) {
- // Represent delta as a generalized variable-length integer.
- let q = delta;
- for (let k = base; ;k += base) {
- const t = k <= bias ? tMin : k >= bias + tMax ? tMax : k - bias;
- if (q < t) {
- break;
- }
- const qMinusT = q - t;
- const baseMinusT = base - t;
- output.push(stringFromCharCode(digitToBasic(t + qMinusT % baseMinusT, 0)));
- q = floor(qMinusT / baseMinusT);
- }
- output.push(stringFromCharCode(digitToBasic(q, 0)));
- bias = adapt(delta, handledCPCountPlusOne, handledCPCount === basicLength);
- delta = 0;
- ++handledCPCount;
- }
- }
- ++delta;
- ++n;
- }
- return output.join("");
- };
- /**
- * Converts a Punycode string representing a domain name or an email address
- * to Unicode. Only the Punycoded parts of the input will be converted, i.e.
- * it doesn't matter if you call it on a string that has already been
- * converted to Unicode.
- * @memberOf punycode
- * @param {String} input The Punycoded domain name or email address to
- * convert to Unicode.
- * @returns {String} The Unicode representation of the given Punycode
- * string.
- */ const toUnicode = function(input) {
- return mapDomain(input, (function(string) {
- return regexPunycode.test(string) ? decode(string.slice(4).toLowerCase()) : string;
- }));
- };
- /**
- * Converts a Unicode string representing a domain name or an email address to
- * Punycode. Only the non-ASCII parts of the domain name will be converted,
- * i.e. it doesn't matter if you call it with a domain that's already in
- * ASCII.
- * @memberOf punycode
- * @param {String} input The domain name or email address to convert, as a
- * Unicode string.
- * @returns {String} The Punycode representation of the given domain name or
- * email address.
- */ const toASCII = function(input) {
- return mapDomain(input, (function(string) {
- return regexNonASCII.test(string) ? "xn--" + encode(string) : string;
- }));
- };
- /*--------------------------------------------------------------------------*/
- /** Define the public API */ const punycode = {
- /**
- * A string representing the current Punycode.js version number.
- * @memberOf punycode
- * @type String
- */
- version: "2.3.1",
- /**
- * An object of methods to convert from JavaScript's internal character
- * representation (UCS-2) to Unicode code points, and back.
- * @see <https://mathiasbynens.be/notes/javascript-encoding>
- * @memberOf punycode
- * @type Object
- */
- ucs2: {
- decode: ucs2decode,
- encode: ucs2encode
- },
- decode: decode,
- encode: encode,
- toASCII: toASCII,
- toUnicode: toUnicode
- };
- // markdown-it default options
- var cfg_default = {
- options: {
- // Enable HTML tags in source
- html: false,
- // Use '/' to close single tags (<br />)
- xhtmlOut: false,
- // Convert '\n' in paragraphs into <br>
- breaks: false,
- // CSS language prefix for fenced blocks
- langPrefix: "language-",
- // autoconvert URL-like texts to links
- linkify: false,
- // Enable some language-neutral replacements + quotes beautification
- typographer: false,
- // Double + single quotes replacement pairs, when typographer enabled,
- // and smartquotes on. Could be either a String or an Array.
- // For example, you can use '«»„“' for Russian, '„“‚‘' for German,
- // and ['«\xA0', '\xA0»', '‹\xA0', '\xA0›'] for French (including nbsp).
- quotes: "\u201c\u201d\u2018\u2019",
- /* “”‘’ */
- // Highlighter function. Should return escaped HTML,
- // or '' if the source string is not changed and should be escaped externaly.
- // If result starts with <pre... internal wrapper is skipped.
- // function (/*str, lang*/) { return ''; }
- highlight: null,
- // Internal protection, recursion limit
- maxNesting: 100
- },
- components: {
- core: {},
- block: {},
- inline: {}
- }
- };
- // "Zero" preset, with nothing enabled. Useful for manual configuring of simple
- // modes. For example, to parse bold/italic only.
- var cfg_zero = {
- options: {
- // Enable HTML tags in source
- html: false,
- // Use '/' to close single tags (<br />)
- xhtmlOut: false,
- // Convert '\n' in paragraphs into <br>
- breaks: false,
- // CSS language prefix for fenced blocks
- langPrefix: "language-",
- // autoconvert URL-like texts to links
- linkify: false,
- // Enable some language-neutral replacements + quotes beautification
- typographer: false,
- // Double + single quotes replacement pairs, when typographer enabled,
- // and smartquotes on. Could be either a String or an Array.
- // For example, you can use '«»„“' for Russian, '„“‚‘' for German,
- // and ['«\xA0', '\xA0»', '‹\xA0', '\xA0›'] for French (including nbsp).
- quotes: "\u201c\u201d\u2018\u2019",
- /* “”‘’ */
- // Highlighter function. Should return escaped HTML,
- // or '' if the source string is not changed and should be escaped externaly.
- // If result starts with <pre... internal wrapper is skipped.
- // function (/*str, lang*/) { return ''; }
- highlight: null,
- // Internal protection, recursion limit
- maxNesting: 20
- },
- components: {
- core: {
- rules: [ "normalize", "block", "inline", "text_join" ]
- },
- block: {
- rules: [ "paragraph" ]
- },
- inline: {
- rules: [ "text" ],
- rules2: [ "balance_pairs", "fragments_join" ]
- }
- }
- };
- // Commonmark default options
- var cfg_commonmark = {
- options: {
- // Enable HTML tags in source
- html: true,
- // Use '/' to close single tags (<br />)
- xhtmlOut: true,
- // Convert '\n' in paragraphs into <br>
- breaks: false,
- // CSS language prefix for fenced blocks
- langPrefix: "language-",
- // autoconvert URL-like texts to links
- linkify: false,
- // Enable some language-neutral replacements + quotes beautification
- typographer: false,
- // Double + single quotes replacement pairs, when typographer enabled,
- // and smartquotes on. Could be either a String or an Array.
- // For example, you can use '«»„“' for Russian, '„“‚‘' for German,
- // and ['«\xA0', '\xA0»', '‹\xA0', '\xA0›'] for French (including nbsp).
- quotes: "\u201c\u201d\u2018\u2019",
- /* “”‘’ */
- // Highlighter function. Should return escaped HTML,
- // or '' if the source string is not changed and should be escaped externaly.
- // If result starts with <pre... internal wrapper is skipped.
- // function (/*str, lang*/) { return ''; }
- highlight: null,
- // Internal protection, recursion limit
- maxNesting: 20
- },
- components: {
- core: {
- rules: [ "normalize", "block", "inline", "text_join" ]
- },
- block: {
- rules: [ "blockquote", "code", "fence", "heading", "hr", "html_block", "lheading", "list", "reference", "paragraph" ]
- },
- inline: {
- rules: [ "autolink", "backticks", "emphasis", "entity", "escape", "html_inline", "image", "link", "newline", "text" ],
- rules2: [ "balance_pairs", "emphasis", "fragments_join" ]
- }
- }
- };
- // Main parser class
- const config = {
- default: cfg_default,
- zero: cfg_zero,
- commonmark: cfg_commonmark
- };
-
- // This validator can prohibit more than really needed to prevent XSS. It's a
- // tradeoff to keep code simple and to be secure by default.
-
- // If you need different setup - override validator method as you wish. Or
- // replace it with dummy function and use external sanitizer.
-
- const BAD_PROTO_RE = /^(vbscript|javascript|file|data):/;
- const GOOD_DATA_RE = /^data:image\/(gif|png|jpeg|webp);/;
- function validateLink(url) {
- // url should be normalized at this point, and existing entities are decoded
- const str = url.trim().toLowerCase();
- return BAD_PROTO_RE.test(str) ? GOOD_DATA_RE.test(str) : true;
- }
- const RECODE_HOSTNAME_FOR = [ "http:", "https:", "mailto:" ];
- function normalizeLink(url) {
- const parsed = urlParse(url, true);
- if (parsed.hostname) {
- // Encode hostnames in urls like:
- // `http://host/`, `https://host/`, `mailto:user@host`, `//host/`
- // We don't encode unknown schemas, because it's likely that we encode
- // something we shouldn't (e.g. `skype:name` treated as `skype:host`)
- if (!parsed.protocol || RECODE_HOSTNAME_FOR.indexOf(parsed.protocol) >= 0) {
- try {
- parsed.hostname = punycode.toASCII(parsed.hostname);
- } catch (er) {}
- }
- }
- return encode$1(format(parsed));
- }
- function normalizeLinkText(url) {
- const parsed = urlParse(url, true);
- if (parsed.hostname) {
- // Encode hostnames in urls like:
- // `http://host/`, `https://host/`, `mailto:user@host`, `//host/`
- // We don't encode unknown schemas, because it's likely that we encode
- // something we shouldn't (e.g. `skype:name` treated as `skype:host`)
- if (!parsed.protocol || RECODE_HOSTNAME_FOR.indexOf(parsed.protocol) >= 0) {
- try {
- parsed.hostname = punycode.toUnicode(parsed.hostname);
- } catch (er) {}
- }
- }
- // add '%' to exclude list because of https://github.com/markdown-it/markdown-it/issues/720
- return decode$1(format(parsed), decode$1.defaultChars + "%");
- }
- /**
- * class MarkdownIt
- *
- * Main parser/renderer class.
- *
- * ##### Usage
- *
- * ```javascript
- * // node.js, "classic" way:
- * var MarkdownIt = require('markdown-it'),
- * md = new MarkdownIt();
- * var result = md.render('# markdown-it rulezz!');
- *
- * // node.js, the same, but with sugar:
- * var md = require('markdown-it')();
- * var result = md.render('# markdown-it rulezz!');
- *
- * // browser without AMD, added to "window" on script load
- * // Note, there are no dash.
- * var md = window.markdownit();
- * var result = md.render('# markdown-it rulezz!');
- * ```
- *
- * Single line rendering, without paragraph wrap:
- *
- * ```javascript
- * var md = require('markdown-it')();
- * var result = md.renderInline('__markdown-it__ rulezz!');
- * ```
- **/
- /**
- * new MarkdownIt([presetName, options])
- * - presetName (String): optional, `commonmark` / `zero`
- * - options (Object)
- *
- * Creates parser instanse with given config. Can be called without `new`.
- *
- * ##### presetName
- *
- * MarkdownIt provides named presets as a convenience to quickly
- * enable/disable active syntax rules and options for common use cases.
- *
- * - ["commonmark"](https://github.com/markdown-it/markdown-it/blob/master/lib/presets/commonmark.mjs) -
- * configures parser to strict [CommonMark](http://commonmark.org/) mode.
- * - [default](https://github.com/markdown-it/markdown-it/blob/master/lib/presets/default.mjs) -
- * similar to GFM, used when no preset name given. Enables all available rules,
- * but still without html, typographer & autolinker.
- * - ["zero"](https://github.com/markdown-it/markdown-it/blob/master/lib/presets/zero.mjs) -
- * all rules disabled. Useful to quickly setup your config via `.enable()`.
- * For example, when you need only `bold` and `italic` markup and nothing else.
- *
- * ##### options:
- *
- * - __html__ - `false`. Set `true` to enable HTML tags in source. Be careful!
- * That's not safe! You may need external sanitizer to protect output from XSS.
- * It's better to extend features via plugins, instead of enabling HTML.
- * - __xhtmlOut__ - `false`. Set `true` to add '/' when closing single tags
- * (`<br />`). This is needed only for full CommonMark compatibility. In real
- * world you will need HTML output.
- * - __breaks__ - `false`. Set `true` to convert `\n` in paragraphs into `<br>`.
- * - __langPrefix__ - `language-`. CSS language class prefix for fenced blocks.
- * Can be useful for external highlighters.
- * - __linkify__ - `false`. Set `true` to autoconvert URL-like text to links.
- * - __typographer__ - `false`. Set `true` to enable [some language-neutral
- * replacement](https://github.com/markdown-it/markdown-it/blob/master/lib/rules_core/replacements.mjs) +
- * quotes beautification (smartquotes).
- * - __quotes__ - `“”‘’`, String or Array. Double + single quotes replacement
- * pairs, when typographer enabled and smartquotes on. For example, you can
- * use `'«»„“'` for Russian, `'„“‚‘'` for German, and
- * `['«\xA0', '\xA0»', '‹\xA0', '\xA0›']` for French (including nbsp).
- * - __highlight__ - `null`. Highlighter function for fenced code blocks.
- * Highlighter `function (str, lang)` should return escaped HTML. It can also
- * return empty string if the source was not changed and should be escaped
- * externaly. If result starts with <pre... internal wrapper is skipped.
- *
- * ##### Example
- *
- * ```javascript
- * // commonmark mode
- * var md = require('markdown-it')('commonmark');
- *
- * // default mode
- * var md = require('markdown-it')();
- *
- * // enable everything
- * var md = require('markdown-it')({
- * html: true,
- * linkify: true,
- * typographer: true
- * });
- * ```
- *
- * ##### Syntax highlighting
- *
- * ```js
- * var hljs = require('highlight.js') // https://highlightjs.org/
- *
- * var md = require('markdown-it')({
- * highlight: function (str, lang) {
- * if (lang && hljs.getLanguage(lang)) {
- * try {
- * return hljs.highlight(str, { language: lang, ignoreIllegals: true }).value;
- * } catch (__) {}
- * }
- *
- * return ''; // use external default escaping
- * }
- * });
- * ```
- *
- * Or with full wrapper override (if you need assign class to `<pre>` or `<code>`):
- *
- * ```javascript
- * var hljs = require('highlight.js') // https://highlightjs.org/
- *
- * // Actual default values
- * var md = require('markdown-it')({
- * highlight: function (str, lang) {
- * if (lang && hljs.getLanguage(lang)) {
- * try {
- * return '<pre><code class="hljs">' +
- * hljs.highlight(str, { language: lang, ignoreIllegals: true }).value +
- * '</code></pre>';
- * } catch (__) {}
- * }
- *
- * return '<pre><code class="hljs">' + md.utils.escapeHtml(str) + '</code></pre>';
- * }
- * });
- * ```
- *
- **/ function MarkdownIt(presetName, options) {
- if (!(this instanceof MarkdownIt)) {
- return new MarkdownIt(presetName, options);
- }
- if (!options) {
- if (!isString$1(presetName)) {
- options = presetName || {};
- presetName = "default";
- }
- }
- /**
- * MarkdownIt#inline -> ParserInline
- *
- * Instance of [[ParserInline]]. You may need it to add new rules when
- * writing plugins. For simple rules control use [[MarkdownIt.disable]] and
- * [[MarkdownIt.enable]].
- **/ this.inline = new ParserInline;
- /**
- * MarkdownIt#block -> ParserBlock
- *
- * Instance of [[ParserBlock]]. You may need it to add new rules when
- * writing plugins. For simple rules control use [[MarkdownIt.disable]] and
- * [[MarkdownIt.enable]].
- **/ this.block = new ParserBlock;
- /**
- * MarkdownIt#core -> Core
- *
- * Instance of [[Core]] chain executor. You may need it to add new rules when
- * writing plugins. For simple rules control use [[MarkdownIt.disable]] and
- * [[MarkdownIt.enable]].
- **/ this.core = new Core;
- /**
- * MarkdownIt#renderer -> Renderer
- *
- * Instance of [[Renderer]]. Use it to modify output look. Or to add rendering
- * rules for new token types, generated by plugins.
- *
- * ##### Example
- *
- * ```javascript
- * var md = require('markdown-it')();
- *
- * function myToken(tokens, idx, options, env, self) {
- * //...
- * return result;
- * };
- *
- * md.renderer.rules['my_token'] = myToken
- * ```
- *
- * See [[Renderer]] docs and [source code](https://github.com/markdown-it/markdown-it/blob/master/lib/renderer.mjs).
- **/ this.renderer = new Renderer;
- /**
- * MarkdownIt#linkify -> LinkifyIt
- *
- * [linkify-it](https://github.com/markdown-it/linkify-it) instance.
- * Used by [linkify](https://github.com/markdown-it/markdown-it/blob/master/lib/rules_core/linkify.mjs)
- * rule.
- **/ this.linkify = new LinkifyIt;
- /**
- * MarkdownIt#validateLink(url) -> Boolean
- *
- * Link validation function. CommonMark allows too much in links. By default
- * we disable `javascript:`, `vbscript:`, `file:` schemas, and almost all `data:...` schemas
- * except some embedded image types.
- *
- * You can change this behaviour:
- *
- * ```javascript
- * var md = require('markdown-it')();
- * // enable everything
- * md.validateLink = function () { return true; }
- * ```
- **/ this.validateLink = validateLink;
- /**
- * MarkdownIt#normalizeLink(url) -> String
- *
- * Function used to encode link url to a machine-readable format,
- * which includes url-encoding, punycode, etc.
- **/ this.normalizeLink = normalizeLink;
- /**
- * MarkdownIt#normalizeLinkText(url) -> String
- *
- * Function used to decode link url to a human-readable format`
- **/ this.normalizeLinkText = normalizeLinkText;
- // Expose utils & helpers for easy acces from plugins
- /**
- * MarkdownIt#utils -> utils
- *
- * Assorted utility functions, useful to write plugins. See details
- * [here](https://github.com/markdown-it/markdown-it/blob/master/lib/common/utils.mjs).
- **/ this.utils = utils;
- /**
- * MarkdownIt#helpers -> helpers
- *
- * Link components parser functions, useful to write plugins. See details
- * [here](https://github.com/markdown-it/markdown-it/blob/master/lib/helpers).
- **/ this.helpers = assign$1({}, helpers);
- this.options = {};
- this.configure(presetName);
- if (options) {
- this.set(options);
- }
- }
- /** chainable
- * MarkdownIt.set(options)
- *
- * Set parser options (in the same format as in constructor). Probably, you
- * will never need it, but you can change options after constructor call.
- *
- * ##### Example
- *
- * ```javascript
- * var md = require('markdown-it')()
- * .set({ html: true, breaks: true })
- * .set({ typographer, true });
- * ```
- *
- * __Note:__ To achieve the best possible performance, don't modify a
- * `markdown-it` instance options on the fly. If you need multiple configurations
- * it's best to create multiple instances and initialize each with separate
- * config.
- **/ MarkdownIt.prototype.set = function(options) {
- assign$1(this.options, options);
- return this;
- };
- /** chainable, internal
- * MarkdownIt.configure(presets)
- *
- * Batch load of all options and compenent settings. This is internal method,
- * and you probably will not need it. But if you will - see available presets
- * and data structure [here](https://github.com/markdown-it/markdown-it/tree/master/lib/presets)
- *
- * We strongly recommend to use presets instead of direct config loads. That
- * will give better compatibility with next versions.
- **/ MarkdownIt.prototype.configure = function(presets) {
- const self = this;
- if (isString$1(presets)) {
- const presetName = presets;
- presets = config[presetName];
- if (!presets) {
- throw new Error('Wrong `markdown-it` preset "' + presetName + '", check name');
- }
- }
- if (!presets) {
- throw new Error("Wrong `markdown-it` preset, can't be empty");
- }
- if (presets.options) {
- self.set(presets.options);
- }
- if (presets.components) {
- Object.keys(presets.components).forEach((function(name) {
- if (presets.components[name].rules) {
- self[name].ruler.enableOnly(presets.components[name].rules);
- }
- if (presets.components[name].rules2) {
- self[name].ruler2.enableOnly(presets.components[name].rules2);
- }
- }));
- }
- return this;
- };
- /** chainable
- * MarkdownIt.enable(list, ignoreInvalid)
- * - list (String|Array): rule name or list of rule names to enable
- * - ignoreInvalid (Boolean): set `true` to ignore errors when rule not found.
- *
- * Enable list or rules. It will automatically find appropriate components,
- * containing rules with given names. If rule not found, and `ignoreInvalid`
- * not set - throws exception.
- *
- * ##### Example
- *
- * ```javascript
- * var md = require('markdown-it')()
- * .enable(['sub', 'sup'])
- * .disable('smartquotes');
- * ```
- **/ MarkdownIt.prototype.enable = function(list, ignoreInvalid) {
- let result = [];
- if (!Array.isArray(list)) {
- list = [ list ];
- }
- [ "core", "block", "inline" ].forEach((function(chain) {
- result = result.concat(this[chain].ruler.enable(list, true));
- }), this);
- result = result.concat(this.inline.ruler2.enable(list, true));
- const missed = list.filter((function(name) {
- return result.indexOf(name) < 0;
- }));
- if (missed.length && !ignoreInvalid) {
- throw new Error("MarkdownIt. Failed to enable unknown rule(s): " + missed);
- }
- return this;
- };
- /** chainable
- * MarkdownIt.disable(list, ignoreInvalid)
- * - list (String|Array): rule name or list of rule names to disable.
- * - ignoreInvalid (Boolean): set `true` to ignore errors when rule not found.
- *
- * The same as [[MarkdownIt.enable]], but turn specified rules off.
- **/ MarkdownIt.prototype.disable = function(list, ignoreInvalid) {
- let result = [];
- if (!Array.isArray(list)) {
- list = [ list ];
- }
- [ "core", "block", "inline" ].forEach((function(chain) {
- result = result.concat(this[chain].ruler.disable(list, true));
- }), this);
- result = result.concat(this.inline.ruler2.disable(list, true));
- const missed = list.filter((function(name) {
- return result.indexOf(name) < 0;
- }));
- if (missed.length && !ignoreInvalid) {
- throw new Error("MarkdownIt. Failed to disable unknown rule(s): " + missed);
- }
- return this;
- };
- /** chainable
- * MarkdownIt.use(plugin, params)
- *
- * Load specified plugin with given params into current parser instance.
- * It's just a sugar to call `plugin(md, params)` with curring.
- *
- * ##### Example
- *
- * ```javascript
- * var iterator = require('markdown-it-for-inline');
- * var md = require('markdown-it')()
- * .use(iterator, 'foo_replace', 'text', function (tokens, idx) {
- * tokens[idx].content = tokens[idx].content.replace(/foo/g, 'bar');
- * });
- * ```
- **/ MarkdownIt.prototype.use = function(plugin /*, params, ... */) {
- const args = [ this ].concat(Array.prototype.slice.call(arguments, 1));
- plugin.apply(plugin, args);
- return this;
- };
- /** internal
- * MarkdownIt.parse(src, env) -> Array
- * - src (String): source string
- * - env (Object): environment sandbox
- *
- * Parse input string and return list of block tokens (special token type
- * "inline" will contain list of inline tokens). You should not call this
- * method directly, until you write custom renderer (for example, to produce
- * AST).
- *
- * `env` is used to pass data between "distributed" rules and return additional
- * metadata like reference info, needed for the renderer. It also can be used to
- * inject data in specific cases. Usually, you will be ok to pass `{}`,
- * and then pass updated object to renderer.
- **/ MarkdownIt.prototype.parse = function(src, env) {
- if (typeof src !== "string") {
- throw new Error("Input data should be a String");
- }
- const state = new this.core.State(src, this, env);
- this.core.process(state);
- return state.tokens;
- };
- /**
- * MarkdownIt.render(src [, env]) -> String
- * - src (String): source string
- * - env (Object): environment sandbox
- *
- * Render markdown string into html. It does all magic for you :).
- *
- * `env` can be used to inject additional metadata (`{}` by default).
- * But you will not need it with high probability. See also comment
- * in [[MarkdownIt.parse]].
- **/ MarkdownIt.prototype.render = function(src, env) {
- env = env || {};
- return this.renderer.render(this.parse(src, env), this.options, env);
- };
- /** internal
- * MarkdownIt.parseInline(src, env) -> Array
- * - src (String): source string
- * - env (Object): environment sandbox
- *
- * The same as [[MarkdownIt.parse]] but skip all block rules. It returns the
- * block tokens list with the single `inline` element, containing parsed inline
- * tokens in `children` property. Also updates `env` object.
- **/ MarkdownIt.prototype.parseInline = function(src, env) {
- const state = new this.core.State(src, this, env);
- state.inlineMode = true;
- this.core.process(state);
- return state.tokens;
- };
- /**
- * MarkdownIt.renderInline(src [, env]) -> String
- * - src (String): source string
- * - env (Object): environment sandbox
- *
- * Similar to [[MarkdownIt.render]] but for single paragraph content. Result
- * will NOT be wrapped into `<p>` tags.
- **/ MarkdownIt.prototype.renderInline = function(src, env) {
- env = env || {};
- return this.renderer.render(this.parseInline(src, env), this.options, env);
- };
- return MarkdownIt;
-}));
diff --git a/packages/markdown-it-14.1.0/dist/markdown-it.min.js b/packages/markdown-it-14.1.0/dist/markdown-it.min.js
deleted file mode 100644
index 5e6f256..0000000
--- a/packages/markdown-it-14.1.0/dist/markdown-it.min.js
+++ /dev/null
@@ -1,2 +0,0 @@
-/*! markdown-it 14.1.0 https://github.com/markdown-it/markdown-it @license MIT */
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Uint16Array("\u0200aglq\t\x15\x18\x1b\u026d\x0f\0\0\x12p;\u4026os;\u4027t;\u403et;\u403cuot;\u4022".split("").map((t=>t.charCodeAt(0))));const v=new Map([[0,65533],[128,8364],[130,8218],[131,402],[132,8222],[133,8230],[134,8224],[135,8225],[136,710],[137,8240],[138,352],[139,8249],[140,338],[142,381],[145,8216],[146,8217],[147,8220],[148,8221],[149,8226],[150,8211],[151,8212],[152,732],[153,8482],[154,353],[155,8250],[156,339],[158,382],[159,376]]),z=null!==(k=String.fromCodePoint)&&void 0!==k?k:function(t){let e="";return t>65535&&(t-=65536,e+=String.fromCharCode(t>>>10&1023|55296),t=56320|1023&t),e+=String.fromCharCode(t),e};var S;!function(t){t[t.NUM=35]="NUM",t[t.SEMI=59]="SEMI",t[t.EQUALS=61]="EQUALS",t[t.ZERO=48]="ZERO",t[t.NINE=57]="NINE",t[t.LOWER_A=97]="LOWER_A",t[t.LOWER_F=102]="LOWER_F",t[t.LOWER_X=120]="LOWER_X",t[t.LOWER_Z=122]="LOWER_Z",t[t.UPPER_A=65]="UPPER_A",t[t.UPPER_F=70]="UPPER_F",t[t.UPPER_Z=90]="UPPER_Z"}(S||(S={}));var q,B,L;function I(t){return t>=S.ZERO&&t<=S.NINE}function M(t){return t>=S.UPPER_A&&t<=S.UPPER_F||t>=S.LOWER_A&&t<=S.LOWER_F}function T(t){return t===S.EQUALS||function(t){return t>=S.UPPER_A&&t<=S.UPPER_Z||t>=S.LOWER_A&&t<=S.LOWER_Z||I(t)}(t)}!function(t){t[t.VALUE_LENGTH=49152]="VALUE_LENGTH",t[t.BRANCH_LENGTH=16256]="BRANCH_LENGTH",t[t.JUMP_TABLE=127]="JUMP_TABLE"}(q||(q={})),function(t){t[t.EntityStart=0]="EntityStart",t[t.NumericStart=1]="NumericStart",t[t.NumericDecimal=2]="NumericDecimal",t[t.NumericHex=3]="NumericHex",t[t.NamedEntity=4]="NamedEntity"}(B||(B={})),function(t){t[t.Legacy=0]="Legacy",t[t.Strict=1]="Strict",t[t.Attribute=2]="Attribute"}(L||(L={}));class R{constructor(t,e,r){this.decodeTree=t,this.emitCodePoint=e,this.errors=r,this.state=B.EntityStart,this.consumed=1,this.result=0,this.treeIndex=0,this.excess=1,this.decodeMode=L.Strict}startEntity(t){this.decodeMode=t,this.state=B.EntityStart,this.result=0,this.treeIndex=0,this.excess=1,this.consumed=1}write(t,e){switch(this.state){case B.EntityStart:return t.charCodeAt(e)===S.NUM?(this.state=B.NumericStart,this.consumed+=1,this.stateNumericStart(t,e+1)):(this.state=B.NamedEntity,this.stateNamedEntity(t,e));case B.NumericStart:return this.stateNumericStart(t,e);case B.NumericDecimal:return this.stateNumericDecimal(t,e);case B.NumericHex:return this.stateNumericHex(t,e);case B.NamedEntity:return this.stateNamedEntity(t,e)}}stateNumericStart(t,e){return e>=t.length?-1:(32|t.charCodeAt(e))===S.LOWER_X?(this.state=B.NumericHex,this.consumed+=1,this.stateNumericHex(t,e+1)):(this.state=B.NumericDecimal,this.stateNumericDecimal(t,e))}addToNumericResult(t,e,r,n){if(e!==r){const s=r-e;this.result=this.result*Math.pow(n,s)+parseInt(t.substr(e,s),n),this.consumed+=s}}stateNumericHex(t,e){const r=e;for(;e<t.length;){const n=t.charCodeAt(e);if(!I(n)&&!M(n))return this.addToNumericResult(t,r,e,16),this.emitNumericEntity(n,3);e+=1}return this.addToNumericResult(t,r,e,16),-1}stateNumericDecimal(t,e){const r=e;for(;e<t.length;){const n=t.charCodeAt(e);if(!I(n))return this.addToNumericResult(t,r,e,10),this.emitNumericEntity(n,2);e+=1}return this.addToNumericResult(t,r,e,10),-1}emitNumericEntity(t,e){var r;if(this.consumed<=e)return null===(r=this.errors)||void 0===r||r.absenceOfDigitsInNumericCharacterReference(this.consumed),0;if(t===S.SEMI)this.consumed+=1;else if(this.decodeMode===L.Strict)return 0;return this.emitCodePoint(function(t){var e;return t>=55296&&t<=57343||t>1114111?65533:null!==(e=v.get(t))&&void 0!==e?e:t}(this.result),this.consumed),this.errors&&(t!==S.SEMI&&this.errors.missingSemicolonAfterCharacterReference(),this.errors.validateNumericCharacterReference(this.result)),this.consumed}stateNamedEntity(t,e){const{decodeTree:r}=this;let n=r[this.treeIndex],s=(n&q.VALUE_LENGTH)>>14;for(;e<t.length;e++,this.excess++){const i=t.charCodeAt(e);if(this.treeIndex=P(r,n,this.treeIndex+Math.max(1,s),i),this.treeIndex<0)return 0===this.result||this.decodeMode===L.Attribute&&(0===s||T(i))?0:this.emitNotTerminatedNamedEntity();if(n=r[this.treeIndex],s=(n&q.VALUE_LENGTH)>>14,0!==s){if(i===S.SEMI)return this.emitNamedEntityData(this.treeIndex,s,this.consumed+this.excess);this.decodeMode!==L.Strict&&(this.result=this.treeIndex,this.consumed+=this.excess,this.excess=0)}}return-1}emitNotTerminatedNamedEntity(){var t;const{result:e,decodeTree:r}=this,n=(r[e]&q.VALUE_LENGTH)>>14;return this.emitNamedEntityData(e,n,this.consumed),null===(t=this.errors)||void 0===t||t.missingSemicolonAfterCharacterReference(),this.consumed}emitNamedEntityData(t,e,r){const{decodeTree:n}=this;return this.emitCodePoint(1===e?n[t]&~q.VALUE_LENGTH:n[t+1],r),3===e&&this.emitCodePoint(n[t+2],r),r}end(){var t;switch(this.state){case B.NamedEntity:return 0===this.result||this.decodeMode===L.Attribute&&this.result!==this.treeIndex?0:this.emitNotTerminatedNamedEntity();case B.NumericDecimal:return this.emitNumericEntity(0,2);case 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It(t,e,r,n){this.src=t,this.md=e,this.env=r,this.tokens=n,this.bMarks=[],this.eMarks=[],this.tShift=[],this.sCount=[],this.bsCount=[],this.blkIndent=0,this.line=0,this.lineMax=0,this.tight=!1,this.ddIndent=-1,this.listIndent=-1,this.parentType="root",this.level=0;const s=this.src;for(let t=0,e=0,r=0,n=0,i=s.length,o=!1;e<i;e++){const u=s.charCodeAt(e);if(!o){if(st(u)){r++,9===u?n+=4-n%4:n++;continue}o=!0}10!==u&&e!==i-1||(10!==u&&e++,this.bMarks.push(t),this.eMarks.push(e),this.tShift.push(r),this.sCount.push(n),this.bsCount.push(0),o=!1,r=0,n=0,t=e+1)}this.bMarks.push(s.length),this.eMarks.push(s.length),this.tShift.push(0),this.sCount.push(0),this.bsCount.push(0),this.lineMax=this.bMarks.length-1}Lt.prototype.process=function(t){const e=this.ruler.getRules("");for(let r=0,n=e.length;r<n;r++)e[r](t)},Lt.prototype.State=mt,It.prototype.push=function(t,e,r){const n=new _t(t,e,r);return n.block=!0,r<0&&this.level--,n.level=this.level,r>0&&this.level++,this.tokens.push(n),n},It.prototype.isEmpty=function(t){return this.bMarks[t]+this.tShift[t]>=this.eMarks[t]},It.prototype.skipEmptyLines=function(t){for(let e=this.lineMax;t<e&&!(this.bMarks[t]+this.tShift[t]<this.eMarks[t]);t++);return t},It.prototype.skipSpaces=function(t){for(let e=this.src.length;t<e;t++){if(!st(this.src.charCodeAt(t)))break}return t},It.prototype.skipSpacesBack=function(t,e){if(t<=e)return t;for(;t>e;)if(!st(this.src.charCodeAt(--t)))return t+1;return t},It.prototype.skipChars=function(t,e){for(let r=this.src.length;t<r&&this.src.charCodeAt(t)===e;t++);return t},It.prototype.skipCharsBack=function(t,e,r){if(t<=r)return t;for(;t>r;)if(e!==this.src.charCodeAt(--t))return t+1;return t},It.prototype.getLines=function(t,e,r,n){if(t>=e)return"";const s=new Array(e-t);for(let i=0,o=t;o<e;o++,i++){let t=0;const u=this.bMarks[o];let c,a=u;for(c=o+1<e||n?this.eMarks[o]+1:this.eMarks[o];a<c&&t<r;){const e=this.src.charCodeAt(a);if(st(e))9===e?t+=4-(t+this.bsCount[o])%4:t++;else{if(!(a-u<this.tShift[o]))break;t++}a++}s[i]=t>r?new Array(t-r+1).join(" ")+this.src.slice(a,c):this.src.slice(a,c)}return s.join("")},It.prototype.Token=_t;function Mt(t,e){const r=t.bMarks[e]+t.tShift[e],n=t.eMarks[e];return t.src.slice(r,n)}function Tt(t){const e=[],r=t.length;let n=0,s=t.charCodeAt(n),i=!1,o=0,u="";for(;n<r;)124===s&&(i?(u+=t.substring(o,n-1),o=n):(e.push(u+t.substring(o,n)),u="",o=n+1)),i=92===s,n++,s=t.charCodeAt(n);return e.push(u+t.substring(o)),e}function Rt(t,e){const r=t.eMarks[e];let n=t.bMarks[e]+t.tShift[e];const s=t.src.charCodeAt(n++);if(42!==s&&45!==s&&43!==s)return-1;if(n<r){if(!st(t.src.charCodeAt(n)))return-1}return n}function Nt(t,e){const r=t.bMarks[e]+t.tShift[e],n=t.eMarks[e];let s=r;if(s+1>=n)return-1;let i=t.src.charCodeAt(s++);if(i<48||i>57)return-1;for(;;){if(s>=n)return-1;if(i=t.src.charCodeAt(s++),!(i>=48&&i<=57)){if(41===i||46===i)break;return-1}if(s-r>=10)return-1}return s<n&&(i=t.src.charCodeAt(s),!st(i))?-1:s}const Pt="<[A-Za-z][A-Za-z0-9\\-]*(?:\\s+[a-zA-Z_:][a-zA-Z0-9:._-]*(?:\\s*=\\s*(?:[^\"'=<>`\\x00-\\x20]+|'[^']*'|\"[^\"]*\"))?)*\\s*\\/?>",Ot="<\\/[A-Za-z][A-Za-z0-9\\-]*\\s*>",jt=new RegExp("^(?:"+Pt+"|"+Ot+"|\x3c!---?>|\x3c!--(?:[^-]|-[^-]|--[^>])*--\x3e|<[?][\\s\\S]*?[?]>|<![A-Za-z][^>]*>|<!\\[CDATA\\[[\\s\\S]*?\\]\\]>)"),Zt=new RegExp("^(?:"+Pt+"|"+Ot+")"),$t=[[/^<(script|pre|style|textarea)(?=(\s|>|$))/i,/<\/(script|pre|style|textarea)>/i,!0],[/^<!--/,/-->/,!0],[/^<\?/,/\?>/,!0],[/^<![A-Z]/,/>/,!0],[/^<!\[CDATA\[/,/\]\]>/,!0],[new RegExp("^</?("+["address","article","aside","base","basefont","blockquote","body","caption","center","col","colgroup","dd","details","dialog","dir","div","dl","dt","fieldset","figcaption","figure","footer","form","frame","frameset","h1","h2","h3","h4","h5","h6","head","header","hr","html","iframe","legend","li","link","main","menu","menuitem","nav","noframes","ol","optgroup","option","p","param","search","section","summary","table","tbody","td","tfoot","th","thead","title","tr","track","ul"].join("|")+")(?=(\\s|/?>|$))","i"),/^$/,!0],[new RegExp(Zt.source+"\\s*$"),/^$/,!1]];const Ut=[["table",function(t,e,r,n){if(e+2>r)return!1;let s=e+1;if(t.sCount[s]<t.blkIndent)return!1;if(t.sCount[s]-t.blkIndent>=4)return!1;let i=t.bMarks[s]+t.tShift[s];if(i>=t.eMarks[s])return!1;const o=t.src.charCodeAt(i++);if(124!==o&&45!==o&&58!==o)return!1;if(i>=t.eMarks[s])return!1;const u=t.src.charCodeAt(i++);if(124!==u&&45!==u&&58!==u&&!st(u))return!1;if(45===o&&st(u))return!1;for(;i<t.eMarks[s];){const e=t.src.charCodeAt(i);if(124!==e&&45!==e&&58!==e&&!st(e))return!1;i++}let c=Mt(t,e+1),a=c.split("|");const l=[];for(let t=0;t<a.length;t++){const e=a[t].trim();if(!e){if(0===t||t===a.length-1)continue;return!1}if(!/^:?-+:?$/.test(e))return!1;58===e.charCodeAt(e.length-1)?l.push(58===e.charCodeAt(0)?"center":"right"):58===e.charCodeAt(0)?l.push("left"):l.push("")}if(c=Mt(t,e).trim(),-1===c.indexOf("|"))return!1;if(t.sCount[e]-t.blkIndent>=4)return!1;a=Tt(c),a.length&&""===a[0]&&a.shift(),a.length&&""===a[a.length-1]&&a.pop();const h=a.length;if(0===h||h!==l.length)return!1;if(n)return!0;const p=t.parentType;t.parentType="table";const f=t.md.block.ruler.getRules("blockquote"),d=[e,0];t.push("table_open","table",1).map=d,t.push("thead_open","thead",1).map=[e,e+1],t.push("tr_open","tr",1).map=[e,e+1];for(let e=0;e<a.length;e++){const r=t.push("th_open","th",1);l[e]&&(r.attrs=[["style","text-align:"+l[e]]]);const n=t.push("inline","",0);n.content=a[e].trim(),n.children=[],t.push("th_close","th",-1)}let _;t.push("tr_close","tr",-1),t.push("thead_close","thead",-1);let m=0;for(s=e+2;s<r&&!(t.sCount[s]<t.blkIndent);s++){let n=!1;for(let e=0,i=f.length;e<i;e++)if(f[e](t,s,r,!0)){n=!0;break}if(n)break;if(c=Mt(t,s).trim(),!c)break;if(t.sCount[s]-t.blkIndent>=4)break;if(a=Tt(c),a.length&&""===a[0]&&a.shift(),a.length&&""===a[a.length-1]&&a.pop(),m+=h-a.length,m>65536)break;if(s===e+2){t.push("tbody_open","tbody",1).map=_=[e+2,0]}t.push("tr_open","tr",1).map=[s,s+1];for(let e=0;e<h;e++){const r=t.push("td_open","td",1);l[e]&&(r.attrs=[["style","text-align:"+l[e]]]);const n=t.push("inline","",0);n.content=a[e]?a[e].trim():"",n.children=[],t.push("td_close","td",-1)}t.push("tr_close","tr",-1)}return _&&(t.push("tbody_close","tbody",-1),_[1]=s),t.push("table_close","table",-1),d[1]=s,t.parentType=p,t.line=s,!0},["paragraph","reference"]],["code",function(t,e,r){if(t.sCount[e]-t.blkIndent<4)return!1;let n=e+1,s=n;for(;n<r;)if(t.isEmpty(n))n++;else{if(!(t.sCount[n]-t.blkIndent>=4))break;n++,s=n}t.line=s;const i=t.push("code_block","code",0);return i.content=t.getLines(e,s,4+t.blkIndent,!1)+"\n",i.map=[e,t.line],!0}],["fence",function(t,e,r,n){let s=t.bMarks[e]+t.tShift[e],i=t.eMarks[e];if(t.sCount[e]-t.blkIndent>=4)return!1;if(s+3>i)return!1;const o=t.src.charCodeAt(s);if(126!==o&&96!==o)return!1;let u=s;s=t.skipChars(s,o);let c=s-u;if(c<3)return!1;const a=t.src.slice(u,s),l=t.src.slice(s,i);if(96===o&&l.indexOf(String.fromCharCode(o))>=0)return!1;if(n)return!0;let h=e,p=!1;for(;(h++,!(h>=r))&&(s=u=t.bMarks[h]+t.tShift[h],i=t.eMarks[h],!(s<i&&t.sCount[h]<t.blkIndent));)if(t.src.charCodeAt(s)===o&&!(t.sCount[h]-t.blkIndent>=4||(s=t.skipChars(s,o),s-u<c||(s=t.skipSpaces(s),s<i)))){p=!0;break}c=t.sCount[e],t.line=h+(p?1:0);const f=t.push("fence","code",0);return f.info=l,f.content=t.getLines(e+1,h,c,!0),f.markup=a,f.map=[e,t.line],!0},["paragraph","reference","blockquote","list"]],["blockquote",function(t,e,r,n){let s=t.bMarks[e]+t.tShift[e],i=t.eMarks[e];const o=t.lineMax;if(t.sCount[e]-t.blkIndent>=4)return!1;if(62!==t.src.charCodeAt(s))return!1;if(n)return!0;const u=[],c=[],a=[],l=[],h=t.md.block.ruler.getRules("blockquote"),p=t.parentType;t.parentType="blockquote";let f,d=!1;for(f=e;f<r;f++){const e=t.sCount[f]<t.blkIndent;if(s=t.bMarks[f]+t.tShift[f],i=t.eMarks[f],s>=i)break;if(62===t.src.charCodeAt(s++)&&!e){let e,r,n=t.sCount[f]+1;32===t.src.charCodeAt(s)?(s++,n++,r=!1,e=!0):9===t.src.charCodeAt(s)?(e=!0,(t.bsCount[f]+n)%4==3?(s++,n++,r=!1):r=!0):e=!1;let o=n;for(u.push(t.bMarks[f]),t.bMarks[f]=s;s<i;){const e=t.src.charCodeAt(s);if(!st(e))break;9===e?o+=4-(o+t.bsCount[f]+(r?1:0))%4:o++,s++}d=s>=i,c.push(t.bsCount[f]),t.bsCount[f]=t.sCount[f]+1+(e?1:0),a.push(t.sCount[f]),t.sCount[f]=o-n,l.push(t.tShift[f]),t.tShift[f]=s-t.bMarks[f];continue}if(d)break;let n=!1;for(let e=0,s=h.length;e<s;e++)if(h[e](t,f,r,!0)){n=!0;break}if(n){t.lineMax=f,0!==t.blkIndent&&(u.push(t.bMarks[f]),c.push(t.bsCount[f]),l.push(t.tShift[f]),a.push(t.sCount[f]),t.sCount[f]-=t.blkIndent);break}u.push(t.bMarks[f]),c.push(t.bsCount[f]),l.push(t.tShift[f]),a.push(t.sCount[f]),t.sCount[f]=-1}const _=t.blkIndent;t.blkIndent=0;const m=t.push("blockquote_open","blockquote",1);m.markup=">";const g=[e,0];m.map=g,t.md.block.tokenize(t,e,f),t.push("blockquote_close","blockquote",-1).markup=">",t.lineMax=o,t.parentType=p,g[1]=t.line;for(let r=0;r<l.length;r++)t.bMarks[r+e]=u[r],t.tShift[r+e]=l[r],t.sCount[r+e]=a[r],t.bsCount[r+e]=c[r];return t.blkIndent=_,!0},["paragraph","reference","blockquote","list"]],["hr",function(t,e,r,n){const s=t.eMarks[e];if(t.sCount[e]-t.blkIndent>=4)return!1;let i=t.bMarks[e]+t.tShift[e];const o=t.src.charCodeAt(i++);if(42!==o&&45!==o&&95!==o)return!1;let u=1;for(;i<s;){const e=t.src.charCodeAt(i++);if(e!==o&&!st(e))return!1;e===o&&u++}if(u<3)return!1;if(n)return!0;t.line=e+1;const c=t.push("hr","hr",0);return c.map=[e,t.line],c.markup=Array(u+1).join(String.fromCharCode(o)),!0},["paragraph","reference","blockquote","list"]],["list",function(t,e,r,n){let s,i,o,u,c=e,a=!0;if(t.sCount[c]-t.blkIndent>=4)return!1;if(t.listIndent>=0&&t.sCount[c]-t.listIndent>=4&&t.sCount[c]<t.blkIndent)return!1;let l,h,p,f=!1;if(n&&"paragraph"===t.parentType&&t.sCount[c]>=t.blkIndent&&(f=!0),(p=Nt(t,c))>=0){if(l=!0,o=t.bMarks[c]+t.tShift[c],h=Number(t.src.slice(o,p-1)),f&&1!==h)return!1}else{if(!((p=Rt(t,c))>=0))return!1;l=!1}if(f&&t.skipSpaces(p)>=t.eMarks[c])return!1;if(n)return!0;const d=t.src.charCodeAt(p-1),_=t.tokens.length;l?(u=t.push("ordered_list_open","ol",1),1!==h&&(u.attrs=[["start",h]])):u=t.push("bullet_list_open","ul",1);const m=[c,0];u.map=m,u.markup=String.fromCharCode(d);let g=!1;const k=t.md.block.ruler.getRules("list"),D=t.parentType;for(t.parentType="list";c<r;){i=p,s=t.eMarks[c];const e=t.sCount[c]+p-(t.bMarks[c]+t.tShift[c]);let n=e;for(;i<s;){const e=t.src.charCodeAt(i);if(9===e)n+=4-(n+t.bsCount[c])%4;else{if(32!==e)break;n++}i++}const h=i;let f;f=h>=s?1:n-e,f>4&&(f=1);const _=e+f;u=t.push("list_item_open","li",1),u.markup=String.fromCharCode(d);const m=[c,0];u.map=m,l&&(u.info=t.src.slice(o,p-1));const D=t.tight,C=t.tShift[c],y=t.sCount[c],E=t.listIndent;if(t.listIndent=t.blkIndent,t.blkIndent=_,t.tight=!0,t.tShift[c]=h-t.bMarks[c],t.sCount[c]=n,h>=s&&t.isEmpty(c+1)?t.line=Math.min(t.line+2,r):t.md.block.tokenize(t,c,r,!0),t.tight&&!g||(a=!1),g=t.line-c>1&&t.isEmpty(t.line-1),t.blkIndent=t.listIndent,t.listIndent=E,t.tShift[c]=C,t.sCount[c]=y,t.tight=D,u=t.push("list_item_close","li",-1),u.markup=String.fromCharCode(d),c=t.line,m[1]=c,c>=r)break;if(t.sCount[c]<t.blkIndent)break;if(t.sCount[c]-t.blkIndent>=4)break;let A=!1;for(let e=0,n=k.length;e<n;e++)if(k[e](t,c,r,!0)){A=!0;break}if(A)break;if(l){if(p=Nt(t,c),p<0)break;o=t.bMarks[c]+t.tShift[c]}else if(p=Rt(t,c),p<0)break;if(d!==t.src.charCodeAt(p-1))break}return u=l?t.push("ordered_list_close","ol",-1):t.push("bullet_list_close","ul",-1),u.markup=String.fromCharCode(d),m[1]=c,t.line=c,t.parentType=D,a&&function(t,e){const r=t.level+2;for(let n=e+2,s=t.tokens.length-2;n<s;n++)t.tokens[n].level===r&&"paragraph_open"===t.tokens[n].type&&(t.tokens[n+2].hidden=!0,t.tokens[n].hidden=!0,n+=2)}(t,_),!0},["paragraph","reference","blockquote"]],["reference",function(t,e,r,n){let s=t.bMarks[e]+t.tShift[e],i=t.eMarks[e],o=e+1;if(t.sCount[e]-t.blkIndent>=4)return!1;if(91!==t.src.charCodeAt(s))return!1;function u(e){const r=t.lineMax;if(e>=r||t.isEmpty(e))return null;let n=!1;if(t.sCount[e]-t.blkIndent>3&&(n=!0),t.sCount[e]<0&&(n=!0),!n){const n=t.md.block.ruler.getRules("reference"),s=t.parentType;t.parentType="reference";let i=!1;for(let s=0,o=n.length;s<o;s++)if(n[s](t,e,r,!0)){i=!0;break}if(t.parentType=s,i)return null}const s=t.bMarks[e]+t.tShift[e],i=t.eMarks[e];return t.src.slice(s,i+1)}let c=t.src.slice(s,i+1);i=c.length;let a=-1;for(s=1;s<i;s++){const t=c.charCodeAt(s);if(91===t)return!1;if(93===t){a=s;break}if(10===t){const t=u(o);null!==t&&(c+=t,i=c.length,o++)}else if(92===t&&(s++,s<i&&10===c.charCodeAt(s))){const t=u(o);null!==t&&(c+=t,i=c.length,o++)}}if(a<0||58!==c.charCodeAt(a+1))return!1;for(s=a+2;s<i;s++){const t=c.charCodeAt(s);if(10===t){const t=u(o);null!==t&&(c+=t,i=c.length,o++)}else if(!st(t))break}const l=t.md.helpers.parseLinkDestination(c,s,i);if(!l.ok)return!1;const h=t.md.normalizeLink(l.str);if(!t.md.validateLink(h))return!1;s=l.pos;const p=s,f=o,d=s;for(;s<i;s++){const t=c.charCodeAt(s);if(10===t){const t=u(o);null!==t&&(c+=t,i=c.length,o++)}else if(!st(t))break}let _,m=t.md.helpers.parseLinkTitle(c,s,i);for(;m.can_continue;){const e=u(o);if(null===e)break;c+=e,s=i,i=c.length,o++,m=t.md.helpers.parseLinkTitle(c,s,i,m)}for(s<i&&d!==s&&m.ok?(_=m.str,s=m.pos):(_="",s=p,o=f);s<i;){if(!st(c.charCodeAt(s)))break;s++}if(s<i&&10!==c.charCodeAt(s)&&_)for(_="",s=p,o=f;s<i;){if(!st(c.charCodeAt(s)))break;s++}if(s<i&&10!==c.charCodeAt(s))return!1;const g=ct(c.slice(1,a));return!!g&&(n||(void 0===t.env.references&&(t.env.references={}),void 0===t.env.references[g]&&(t.env.references[g]={title:_,href:h}),t.line=o),!0)}],["html_block",function(t,e,r,n){let s=t.bMarks[e]+t.tShift[e],i=t.eMarks[e];if(t.sCount[e]-t.blkIndent>=4)return!1;if(!t.md.options.html)return!1;if(60!==t.src.charCodeAt(s))return!1;let o=t.src.slice(s,i),u=0;for(;u<$t.length&&!$t[u][0].test(o);u++);if(u===$t.length)return!1;if(n)return $t[u][2];let c=e+1;if(!$t[u][1].test(o))for(;c<r&&!(t.sCount[c]<t.blkIndent);c++)if(s=t.bMarks[c]+t.tShift[c],i=t.eMarks[c],o=t.src.slice(s,i),$t[u][1].test(o)){0!==o.length&&c++;break}t.line=c;const a=t.push("html_block","",0);return a.map=[e,c],a.content=t.getLines(e,c,t.blkIndent,!0),!0},["paragraph","reference","blockquote"]],["heading",function(t,e,r,n){let s=t.bMarks[e]+t.tShift[e],i=t.eMarks[e];if(t.sCount[e]-t.blkIndent>=4)return!1;let o=t.src.charCodeAt(s);if(35!==o||s>=i)return!1;let u=1;for(o=t.src.charCodeAt(++s);35===o&&s<i&&u<=6;)u++,o=t.src.charCodeAt(++s);if(u>6||s<i&&!st(o))return!1;if(n)return!0;i=t.skipSpacesBack(i,s);const c=t.skipCharsBack(i,35,s);c>s&&st(t.src.charCodeAt(c-1))&&(i=c),t.line=e+1;const a=t.push("heading_open","h"+String(u),1);a.markup="########".slice(0,u),a.map=[e,t.line];const l=t.push("inline","",0);return l.content=t.src.slice(s,i).trim(),l.map=[e,t.line],l.children=[],t.push("heading_close","h"+String(u),-1).markup="########".slice(0,u),!0},["paragraph","reference","blockquote"]],["lheading",function(t,e,r){const n=t.md.block.ruler.getRules("paragraph");if(t.sCount[e]-t.blkIndent>=4)return!1;const s=t.parentType;t.parentType="paragraph";let i,o=0,u=e+1;for(;u<r&&!t.isEmpty(u);u++){if(t.sCount[u]-t.blkIndent>3)continue;if(t.sCount[u]>=t.blkIndent){let e=t.bMarks[u]+t.tShift[u];const r=t.eMarks[u];if(e<r&&(i=t.src.charCodeAt(e),(45===i||61===i)&&(e=t.skipChars(e,i),e=t.skipSpaces(e),e>=r))){o=61===i?1:2;break}}if(t.sCount[u]<0)continue;let e=!1;for(let s=0,i=n.length;s<i;s++)if(n[s](t,u,r,!0)){e=!0;break}if(e)break}if(!o)return!1;const c=t.getLines(e,u,t.blkIndent,!1).trim();t.line=u+1;const a=t.push("heading_open","h"+String(o),1);a.markup=String.fromCharCode(i),a.map=[e,t.line];const l=t.push("inline","",0);return l.content=c,l.map=[e,t.line-1],l.children=[],t.push("heading_close","h"+String(o),-1).markup=String.fromCharCode(i),t.parentType=s,!0}],["paragraph",function(t,e,r){const n=t.md.block.ruler.getRules("paragraph"),s=t.parentType;let i=e+1;for(t.parentType="paragraph";i<r&&!t.isEmpty(i);i++){if(t.sCount[i]-t.blkIndent>3)continue;if(t.sCount[i]<0)continue;let e=!1;for(let s=0,o=n.length;s<o;s++)if(n[s](t,i,r,!0)){e=!0;break}if(e)break}const o=t.getLines(e,i,t.blkIndent,!1).trim();t.line=i,t.push("paragraph_open","p",1).map=[e,t.line];const u=t.push("inline","",0);return u.content=o,u.map=[e,t.line],u.children=[],t.push("paragraph_close","p",-1),t.parentType=s,!0}]];function Ht(){this.ruler=new dt;for(let t=0;t<Ut.length;t++)this.ruler.push(Ut[t][0],Ut[t][1],{alt:(Ut[t][2]||[]).slice()})}function Vt(t,e,r,n){this.src=t,this.env=r,this.md=e,this.tokens=n,this.tokens_meta=Array(n.length),this.pos=0,this.posMax=this.src.length,this.level=0,this.pending="",this.pendingLevel=0,this.cache={},this.delimiters=[],this._prev_delimiters=[],this.backticks={},this.backticksScanned=!1,this.linkLevel=0}function Gt(t){switch(t){case 10:case 33:case 35:case 36:case 37:case 38:case 42:case 43:case 45:case 58:case 60:case 61:case 62:case 64:case 91:case 92:case 93:case 94:case 95:case 96:case 123:case 125:case 126:return!0;default:return!1}}Ht.prototype.tokenize=function(t,e,r){const n=this.ruler.getRules(""),s=n.length,i=t.md.options.maxNesting;let o=e,u=!1;for(;o<r&&(t.line=o=t.skipEmptyLines(o),!(o>=r))&&!(t.sCount[o]<t.blkIndent);){if(t.level>=i){t.line=r;break}const e=t.line;let c=!1;for(let i=0;i<s;i++)if(c=n[i](t,o,r,!1),c){if(e>=t.line)throw new Error("block rule didn't increment state.line");break}if(!c)throw new Error("none of the block rules matched");t.tight=!u,t.isEmpty(t.line-1)&&(u=!0),o=t.line,o<r&&t.isEmpty(o)&&(u=!0,o++,t.line=o)}},Ht.prototype.parse=function(t,e,r,n){if(!t)return;const s=new this.State(t,e,r,n);this.tokenize(s,s.line,s.lineMax)},Ht.prototype.State=It,Vt.prototype.pushPending=function(){const t=new _t("text","",0);return t.content=this.pending,t.level=this.pendingLevel,this.tokens.push(t),this.pending="",t},Vt.prototype.push=function(t,e,r){this.pending&&this.pushPending();const n=new _t(t,e,r);let s=null;return r<0&&(this.level--,this.delimiters=this._prev_delimiters.pop()),n.level=this.level,r>0&&(this.level++,this._prev_delimiters.push(this.delimiters),this.delimiters=[],s={delimiters:this.delimiters}),this.pendingLevel=this.level,this.tokens.push(n),this.tokens_meta.push(s),n},Vt.prototype.scanDelims=function(t,e){const r=this.posMax,n=this.src.charCodeAt(t),s=t>0?this.src.charCodeAt(t-1):32;let i=t;for(;i<r&&this.src.charCodeAt(i)===n;)i++;const o=i-t,u=i<r?this.src.charCodeAt(i):32,c=ut(s)||ot(String.fromCharCode(s)),a=ut(u)||ot(String.fromCharCode(u)),l=it(s),h=it(u),p=!h&&(!a||l||c),f=!l&&(!c||h||a);return{can_open:p&&(e||!f||c),can_close:f&&(e||!p||a),length:o}},Vt.prototype.Token=_t;const Wt=/(?:^|[^a-z0-9.+-])([a-z][a-z0-9.+-]*)$/i;const Jt=[];for(let t=0;t<256;t++)Jt.push(0);function Qt(t,e){let r;const n=[],s=e.length;for(let i=0;i<s;i++){const s=e[i];if(126!==s.marker)continue;if(-1===s.end)continue;const o=e[s.end];r=t.tokens[s.token],r.type="s_open",r.tag="s",r.nesting=1,r.markup="~~",r.content="",r=t.tokens[o.token],r.type="s_close",r.tag="s",r.nesting=-1,r.markup="~~",r.content="","text"===t.tokens[o.token-1].type&&"~"===t.tokens[o.token-1].content&&n.push(o.token-1)}for(;n.length;){const e=n.pop();let s=e+1;for(;s<t.tokens.length&&"s_close"===t.tokens[s].type;)s++;s--,e!==s&&(r=t.tokens[s],t.tokens[s]=t.tokens[e],t.tokens[e]=r)}}"\\!\"#$%&'()*+,./:;<=>?@[]^_`{|}~-".split("").forEach((function(t){Jt[t.charCodeAt(0)]=1}));var Xt={tokenize:function(t,e){const r=t.pos,n=t.src.charCodeAt(r);if(e)return!1;if(126!==n)return!1;const s=t.scanDelims(t.pos,!0);let i=s.length;const o=String.fromCharCode(n);if(i<2)return!1;let u;i%2&&(u=t.push("text","",0),u.content=o,i--);for(let e=0;e<i;e+=2)u=t.push("text","",0),u.content=o+o,t.delimiters.push({marker:n,length:0,token:t.tokens.length-1,end:-1,open:s.can_open,close:s.can_close});return t.pos+=s.length,!0},postProcess:function(t){const e=t.tokens_meta,r=t.tokens_meta.length;Qt(t,t.delimiters);for(let n=0;n<r;n++)e[n]&&e[n].delimiters&&Qt(t,e[n].delimiters)}};function Yt(t,e){for(let r=e.length-1;r>=0;r--){const n=e[r];if(95!==n.marker&&42!==n.marker)continue;if(-1===n.end)continue;const s=e[n.end],i=r>0&&e[r-1].end===n.end+1&&e[r-1].marker===n.marker&&e[r-1].token===n.token-1&&e[n.end+1].token===s.token+1,o=String.fromCharCode(n.marker),u=t.tokens[n.token];u.type=i?"strong_open":"em_open",u.tag=i?"strong":"em",u.nesting=1,u.markup=i?o+o:o,u.content="";const c=t.tokens[s.token];c.type=i?"strong_close":"em_close",c.tag=i?"strong":"em",c.nesting=-1,c.markup=i?o+o:o,c.content="",i&&(t.tokens[e[r-1].token].content="",t.tokens[e[n.end+1].token].content="",r--)}}var Kt={tokenize:function(t,e){const r=t.pos,n=t.src.charCodeAt(r);if(e)return!1;if(95!==n&&42!==n)return!1;const s=t.scanDelims(t.pos,42===n);for(let e=0;e<s.length;e++){t.push("text","",0).content=String.fromCharCode(n),t.delimiters.push({marker:n,length:s.length,token:t.tokens.length-1,end:-1,open:s.can_open,close:s.can_close})}return t.pos+=s.length,!0},postProcess:function(t){const e=t.tokens_meta,r=t.tokens_meta.length;Yt(t,t.delimiters);for(let n=0;n<r;n++)e[n]&&e[n].delimiters&&Yt(t,e[n].delimiters)}};const te=/^([a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*)$/,ee=/^([a-zA-Z][a-zA-Z0-9+.-]{1,31}):([^<>\x00-\x20]*)$/;const re=/^&#((?:x[a-f0-9]{1,6}|[0-9]{1,7}));/i,ne=/^&([a-z][a-z0-9]{1,31});/i;function se(t){const e={},r=t.length;if(!r)return;let n=0,s=-2;const i=[];for(let o=0;o<r;o++){const r=t[o];if(i.push(0),t[n].marker===r.marker&&s===r.token-1||(n=o),s=r.token,r.length=r.length||0,!r.close)continue;e.hasOwnProperty(r.marker)||(e[r.marker]=[-1,-1,-1,-1,-1,-1]);const u=e[r.marker][(r.open?3:0)+r.length%3];let c=n-i[n]-1,a=c;for(;c>u;c-=i[c]+1){const e=t[c];if(e.marker===r.marker&&(e.open&&e.end<0)){let n=!1;if((e.close||r.open)&&(e.length+r.length)%3==0&&(e.length%3==0&&r.length%3==0||(n=!0)),!n){const n=c>0&&!t[c-1].open?i[c-1]+1:0;i[o]=o-c+n,i[c]=n,r.open=!1,e.end=o,e.close=!1,a=-1,s=-2;break}}}-1!==a&&(e[r.marker][(r.open?3:0)+(r.length||0)%3]=a)}}const ie=[["text",function(t,e){let r=t.pos;for(;r<t.posMax&&!Gt(t.src.charCodeAt(r));)r++;return r!==t.pos&&(e||(t.pending+=t.src.slice(t.pos,r)),t.pos=r,!0)}],["linkify",function(t,e){if(!t.md.options.linkify)return!1;if(t.linkLevel>0)return!1;const r=t.pos;if(r+3>t.posMax)return!1;if(58!==t.src.charCodeAt(r))return!1;if(47!==t.src.charCodeAt(r+1))return!1;if(47!==t.src.charCodeAt(r+2))return!1;const n=t.pending.match(Wt);if(!n)return!1;const s=n[1],i=t.md.linkify.matchAtStart(t.src.slice(r-s.length));if(!i)return!1;let o=i.url;if(o.length<=s.length)return!1;o=o.replace(/\*+$/,"");const u=t.md.normalizeLink(o);if(!t.md.validateLink(u))return!1;if(!e){t.pending=t.pending.slice(0,-s.length);const e=t.push("link_open","a",1);e.attrs=[["href",u]],e.markup="linkify",e.info="auto";t.push("text","",0).content=t.md.normalizeLinkText(o);const r=t.push("link_close","a",-1);r.markup="linkify",r.info="auto"}return t.pos+=o.length-s.length,!0}],["newline",function(t,e){let r=t.pos;if(10!==t.src.charCodeAt(r))return!1;const n=t.pending.length-1,s=t.posMax;if(!e)if(n>=0&&32===t.pending.charCodeAt(n))if(n>=1&&32===t.pending.charCodeAt(n-1)){let e=n-1;for(;e>=1&&32===t.pending.charCodeAt(e-1);)e--;t.pending=t.pending.slice(0,e),t.push("hardbreak","br",0)}else t.pending=t.pending.slice(0,-1),t.push("softbreak","br",0);else t.push("softbreak","br",0);for(r++;r<s&&st(t.src.charCodeAt(r));)r++;return t.pos=r,!0}],["escape",function(t,e){let r=t.pos;const n=t.posMax;if(92!==t.src.charCodeAt(r))return!1;if(r++,r>=n)return!1;let s=t.src.charCodeAt(r);if(10===s){for(e||t.push("hardbreak","br",0),r++;r<n&&(s=t.src.charCodeAt(r),st(s));)r++;return t.pos=r,!0}let i=t.src[r];if(s>=55296&&s<=56319&&r+1<n){const e=t.src.charCodeAt(r+1);e>=56320&&e<=57343&&(i+=t.src[r+1],r++)}const o="\\"+i;if(!e){const e=t.push("text_special","",0);s<256&&0!==Jt[s]?e.content=i:e.content=o,e.markup=o,e.info="escape"}return t.pos=r+1,!0}],["backticks",function(t,e){let r=t.pos;if(96!==t.src.charCodeAt(r))return!1;const n=r;r++;const s=t.posMax;for(;r<s&&96===t.src.charCodeAt(r);)r++;const i=t.src.slice(n,r),o=i.length;if(t.backticksScanned&&(t.backticks[o]||0)<=n)return e||(t.pending+=i),t.pos+=o,!0;let u,c=r;for(;-1!==(u=t.src.indexOf("`",c));){for(c=u+1;c<s&&96===t.src.charCodeAt(c);)c++;const n=c-u;if(n===o){if(!e){const e=t.push("code_inline","code",0);e.markup=i,e.content=t.src.slice(r,u).replace(/\n/g," ").replace(/^ (.+) $/,"$1")}return t.pos=c,!0}t.backticks[n]=u}return t.backticksScanned=!0,e||(t.pending+=i),t.pos+=o,!0}],["strikethrough",Xt.tokenize],["emphasis",Kt.tokenize],["link",function(t,e){let r,n,s,i,o="",u="",c=t.pos,a=!0;if(91!==t.src.charCodeAt(t.pos))return!1;const l=t.pos,h=t.posMax,p=t.pos+1,f=t.md.helpers.parseLinkLabel(t,t.pos,!0);if(f<0)return!1;let d=f+1;if(d<h&&40===t.src.charCodeAt(d)){for(a=!1,d++;d<h&&(r=t.src.charCodeAt(d),st(r)||10===r);d++);if(d>=h)return!1;if(c=d,s=t.md.helpers.parseLinkDestination(t.src,d,t.posMax),s.ok){for(o=t.md.normalizeLink(s.str),t.md.validateLink(o)?d=s.pos:o="",c=d;d<h&&(r=t.src.charCodeAt(d),st(r)||10===r);d++);if(s=t.md.helpers.parseLinkTitle(t.src,d,t.posMax),d<h&&c!==d&&s.ok)for(u=s.str,d=s.pos;d<h&&(r=t.src.charCodeAt(d),st(r)||10===r);d++);}(d>=h||41!==t.src.charCodeAt(d))&&(a=!0),d++}if(a){if(void 0===t.env.references)return!1;if(d<h&&91===t.src.charCodeAt(d)?(c=d+1,d=t.md.helpers.parseLinkLabel(t,d),d>=0?n=t.src.slice(c,d++):d=f+1):d=f+1,n||(n=t.src.slice(p,f)),i=t.env.references[ct(n)],!i)return t.pos=l,!1;o=i.href,u=i.title}if(!e){t.pos=p,t.posMax=f;const e=[["href",o]];t.push("link_open","a",1).attrs=e,u&&e.push(["title",u]),t.linkLevel++,t.md.inline.tokenize(t),t.linkLevel--,t.push("link_close","a",-1)}return t.pos=d,t.posMax=h,!0}],["image",function(t,e){let r,n,s,i,o,u,c,a,l="";const h=t.pos,p=t.posMax;if(33!==t.src.charCodeAt(t.pos))return!1;if(91!==t.src.charCodeAt(t.pos+1))return!1;const f=t.pos+2,d=t.md.helpers.parseLinkLabel(t,t.pos+1,!1);if(d<0)return!1;if(i=d+1,i<p&&40===t.src.charCodeAt(i)){for(i++;i<p&&(r=t.src.charCodeAt(i),st(r)||10===r);i++);if(i>=p)return!1;for(a=i,u=t.md.helpers.parseLinkDestination(t.src,i,t.posMax),u.ok&&(l=t.md.normalizeLink(u.str),t.md.validateLink(l)?i=u.pos:l=""),a=i;i<p&&(r=t.src.charCodeAt(i),st(r)||10===r);i++);if(u=t.md.helpers.parseLinkTitle(t.src,i,t.posMax),i<p&&a!==i&&u.ok)for(c=u.str,i=u.pos;i<p&&(r=t.src.charCodeAt(i),st(r)||10===r);i++);else c="";if(i>=p||41!==t.src.charCodeAt(i))return t.pos=h,!1;i++}else{if(void 0===t.env.references)return!1;if(i<p&&91===t.src.charCodeAt(i)?(a=i+1,i=t.md.helpers.parseLinkLabel(t,i),i>=0?s=t.src.slice(a,i++):i=d+1):i=d+1,s||(s=t.src.slice(f,d)),o=t.env.references[ct(s)],!o)return t.pos=h,!1;l=o.href,c=o.title}if(!e){n=t.src.slice(f,d);const e=[];t.md.inline.parse(n,t.md,t.env,e);const 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