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Diffstat (limited to 'packages/markdown-it-14.1.0/lib/renderer.mjs')
| -rw-r--r-- | packages/markdown-it-14.1.0/lib/renderer.mjs | 322 |
1 files changed, 0 insertions, 322 deletions
diff --git a/packages/markdown-it-14.1.0/lib/renderer.mjs b/packages/markdown-it-14.1.0/lib/renderer.mjs deleted file mode 100644 index a58914c..0000000 --- a/packages/markdown-it-14.1.0/lib/renderer.mjs +++ /dev/null @@ -1,322 +0,0 @@ -/** - * 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. - **/ - -import { assign, unescapeAll, escapeHtml } from './common/utils.mjs' - -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 - default: - // 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 -} - -export default Renderer |
