diff options
Diffstat (limited to 'packages/markdown-it-14.1.0/lib/common')
| -rw-r--r-- | packages/markdown-it-14.1.0/lib/common/html_blocks.mjs | 67 | ||||
| -rw-r--r-- | packages/markdown-it-14.1.0/lib/common/html_re.mjs | 25 | ||||
| -rw-r--r-- | packages/markdown-it-14.1.0/lib/common/utils.mjs | 304 |
3 files changed, 396 insertions, 0 deletions
diff --git a/packages/markdown-it-14.1.0/lib/common/html_blocks.mjs b/packages/markdown-it-14.1.0/lib/common/html_blocks.mjs new file mode 100644 index 0000000..1e27a7f --- /dev/null +++ b/packages/markdown-it-14.1.0/lib/common/html_blocks.mjs @@ -0,0 +1,67 @@ +// List of valid html blocks names, according to commonmark spec +// https://spec.commonmark.org/0.30/#html-blocks + +export default [ + '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' +] diff --git a/packages/markdown-it-14.1.0/lib/common/html_re.mjs b/packages/markdown-it-14.1.0/lib/common/html_re.mjs new file mode 100644 index 0000000..ccfbf87 --- /dev/null +++ b/packages/markdown-it-14.1.0/lib/common/html_re.mjs @@ -0,0 +1,25 @@ +// 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 + ')') + +export { HTML_TAG_RE, HTML_OPEN_CLOSE_TAG_RE } diff --git a/packages/markdown-it-14.1.0/lib/common/utils.mjs b/packages/markdown-it-14.1.0/lib/common/utils.mjs new file mode 100644 index 0000000..b78c9b0 --- /dev/null +++ b/packages/markdown-it-14.1.0/lib/common/utils.mjs @@ -0,0 +1,304 @@ +// Utilities +// + +import * as mdurl from 'mdurl' +import * as ucmicro from 'uc.micro' +import { decodeHTML } from 'entities' + +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 = 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, '$1') +} + +function unescapeAll (str) { + if (str.indexOf('\\') < 0 && str.indexOf('&') < 0) { return str } + + return str.replace(UNESCAPE_ALL_RE, function (match, escaped, entity) { + if (escaped) { return escaped } + return replaceEntityPattern(match, entity) + }) +} + +const HTML_ESCAPE_TEST_RE = /[&<>"]/ +const HTML_ESCAPE_REPLACE_RE = /[&<>"]/g +const HTML_REPLACEMENTS = { + '&': '&', + '<': '<', + '>': '>', + '"': '"' +} + +function replaceUnsafeChar (ch) { + return HTML_REPLACEMENTS[ch] +} + +function escapeHtml (str) { + if (HTML_ESCAPE_TEST_RE.test(str)) { + return str.replace(HTML_ESCAPE_REPLACE_RE, replaceUnsafeChar) + } + return str +} + +const REGEXP_ESCAPE_RE = /[.?*+^$[\]\\(){}|-]/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.P.test(ch) || ucmicro.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, ucmicro } + +export { + lib, + assign, + isString, + has, + unescapeMd, + unescapeAll, + isValidEntityCode, + fromCodePoint, + escapeHtml, + arrayReplaceAt, + isSpace, + isWhiteSpace, + isMdAsciiPunct, + isPunctChar, + escapeRE, + normalizeReference +} |