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Diffstat (limited to 'wp-includes/js/dist/autop.js')
-rw-r--r-- | wp-includes/js/dist/autop.js | 470 |
1 files changed, 470 insertions, 0 deletions
diff --git a/wp-includes/js/dist/autop.js b/wp-includes/js/dist/autop.js new file mode 100644 index 0000000..e855bce --- /dev/null +++ b/wp-includes/js/dist/autop.js @@ -0,0 +1,470 @@ +/******/ (function() { // webpackBootstrap +/******/ "use strict"; +/******/ // The require scope +/******/ var __webpack_require__ = {}; +/******/ +/************************************************************************/ +/******/ /* webpack/runtime/define property getters */ +/******/ !function() { +/******/ // define getter functions for harmony exports +/******/ __webpack_require__.d = function(exports, definition) { +/******/ for(var key in definition) { +/******/ if(__webpack_require__.o(definition, key) && !__webpack_require__.o(exports, key)) { +/******/ Object.defineProperty(exports, key, { enumerable: true, get: definition[key] }); +/******/ } +/******/ } +/******/ }; +/******/ }(); +/******/ +/******/ /* webpack/runtime/hasOwnProperty shorthand */ +/******/ !function() { +/******/ __webpack_require__.o = function(obj, prop) { return Object.prototype.hasOwnProperty.call(obj, prop); } +/******/ }(); +/******/ +/******/ /* webpack/runtime/make namespace object */ +/******/ !function() { +/******/ // define __esModule on exports +/******/ __webpack_require__.r = function(exports) { +/******/ if(typeof Symbol !== 'undefined' && Symbol.toStringTag) { +/******/ Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' }); +/******/ } +/******/ Object.defineProperty(exports, '__esModule', { value: true }); +/******/ }; +/******/ }(); +/******/ +/************************************************************************/ +var __webpack_exports__ = {}; +__webpack_require__.r(__webpack_exports__); +/* harmony export */ __webpack_require__.d(__webpack_exports__, { +/* harmony export */ autop: function() { return /* binding */ autop; }, +/* harmony export */ removep: function() { return /* binding */ removep; } +/* harmony export */ }); +/** + * The regular expression for an HTML element. + * + * @type {RegExp} + */ +const htmlSplitRegex = (() => { + /* eslint-disable no-multi-spaces */ + const comments = '!' + + // Start of comment, after the <. + '(?:' + + // Unroll the loop: Consume everything until --> is found. + '-(?!->)' + + // Dash not followed by end of comment. + '[^\\-]*' + + // Consume non-dashes. + ')*' + + // Loop possessively. + '(?:-->)?'; // End of comment. If not found, match all input. + + const cdata = '!\\[CDATA\\[' + + // Start of comment, after the <. + '[^\\]]*' + + // Consume non-]. + '(?:' + + // Unroll the loop: Consume everything until ]]> is found. + '](?!]>)' + + // One ] not followed by end of comment. + '[^\\]]*' + + // Consume non-]. + ')*?' + + // Loop possessively. + '(?:]]>)?'; // End of comment. If not found, match all input. + + const escaped = '(?=' + + // Is the element escaped? + '!--' + '|' + '!\\[CDATA\\[' + ')' + '((?=!-)' + + // If yes, which type? + comments + '|' + cdata + ')'; + const regex = '(' + + // Capture the entire match. + '<' + + // Find start of element. + '(' + + // Conditional expression follows. + escaped + + // Find end of escaped element. + '|' + + // ... else ... + '[^>]*>?' + + // Find end of normal element. + ')' + ')'; + return new RegExp(regex); + /* eslint-enable no-multi-spaces */ +})(); + +/** + * Separate HTML elements and comments from the text. + * + * @param {string} input The text which has to be formatted. + * + * @return {string[]} The formatted text. + */ +function htmlSplit(input) { + const parts = []; + let workingInput = input; + let match; + while (match = workingInput.match(htmlSplitRegex)) { + // The `match` result, when invoked on a RegExp with the `g` flag (`/foo/g`) will not include `index`. + // If the `g` flag is omitted, `index` is included. + // `htmlSplitRegex` does not have the `g` flag so we can assert it will have an index number. + // Assert `match.index` is a number. + const index = /** @type {number} */match.index; + parts.push(workingInput.slice(0, index)); + parts.push(match[0]); + workingInput = workingInput.slice(index + match[0].length); + } + if (workingInput.length) { + parts.push(workingInput); + } + return parts; +} + +/** + * Replace characters or phrases within HTML elements only. + * + * @param {string} haystack The text which has to be formatted. + * @param {Record<string,string>} replacePairs In the form {from: 'to', …}. + * + * @return {string} The formatted text. + */ +function replaceInHtmlTags(haystack, replacePairs) { + // Find all elements. + const textArr = htmlSplit(haystack); + let changed = false; + + // Extract all needles. + const needles = Object.keys(replacePairs); + + // Loop through delimiters (elements) only. + for (let i = 1; i < textArr.length; i += 2) { + for (let j = 0; j < needles.length; j++) { + const needle = needles[j]; + if (-1 !== textArr[i].indexOf(needle)) { + textArr[i] = textArr[i].replace(new RegExp(needle, 'g'), replacePairs[needle]); + changed = true; + // After one strtr() break out of the foreach loop and look at next element. + break; + } + } + } + if (changed) { + haystack = textArr.join(''); + } + return haystack; +} + +/** + * Replaces double line-breaks with paragraph elements. + * + * A group of regex replaces used to identify text formatted with newlines and + * replace double line-breaks with HTML paragraph tags. The remaining line- + * breaks after conversion become `<br />` tags, unless br is set to 'false'. + * + * @param {string} text The text which has to be formatted. + * @param {boolean} br Optional. If set, will convert all remaining line- + * breaks after paragraphing. Default true. + * + * @example + *```js + * import { autop } from '@wordpress/autop'; + * autop( 'my text' ); // "<p>my text</p>" + * ``` + * + * @return {string} Text which has been converted into paragraph tags. + */ +function autop(text, br = true) { + const preTags = []; + if (text.trim() === '') { + return ''; + } + + // Just to make things a little easier, pad the end. + text = text + '\n'; + + /* + * Pre tags shouldn't be touched by autop. + * Replace pre tags with placeholders and bring them back after autop. + */ + if (text.indexOf('<pre') !== -1) { + const textParts = text.split('</pre>'); + const lastText = textParts.pop(); + text = ''; + for (let i = 0; i < textParts.length; i++) { + const textPart = textParts[i]; + const start = textPart.indexOf('<pre'); + + // Malformed html? + if (start === -1) { + text += textPart; + continue; + } + const name = '<pre wp-pre-tag-' + i + '></pre>'; + preTags.push([name, textPart.substr(start) + '</pre>']); + text += textPart.substr(0, start) + name; + } + text += lastText; + } + // Change multiple <br>s into two line breaks, which will turn into paragraphs. + text = text.replace(/<br\s*\/?>\s*<br\s*\/?>/g, '\n\n'); + const allBlocks = '(?:table|thead|tfoot|caption|col|colgroup|tbody|tr|td|th|div|dl|dd|dt|ul|ol|li|pre|form|map|area|blockquote|address|math|style|p|h[1-6]|hr|fieldset|legend|section|article|aside|hgroup|header|footer|nav|figure|figcaption|details|menu|summary)'; + + // Add a double line break above block-level opening tags. + text = text.replace(new RegExp('(<' + allBlocks + '[\\s/>])', 'g'), '\n\n$1'); + + // Add a double line break below block-level closing tags. + text = text.replace(new RegExp('(</' + allBlocks + '>)', 'g'), '$1\n\n'); + + // Standardize newline characters to "\n". + text = text.replace(/\r\n|\r/g, '\n'); + + // Find newlines in all elements and add placeholders. + text = replaceInHtmlTags(text, { + '\n': ' <!-- wpnl --> ' + }); + + // Collapse line breaks before and after <option> elements so they don't get autop'd. + if (text.indexOf('<option') !== -1) { + text = text.replace(/\s*<option/g, '<option'); + text = text.replace(/<\/option>\s*/g, '</option>'); + } + + /* + * Collapse line breaks inside <object> elements, before <param> and <embed> elements + * so they don't get autop'd. + */ + if (text.indexOf('</object>') !== -1) { + text = text.replace(/(<object[^>]*>)\s*/g, '$1'); + text = text.replace(/\s*<\/object>/g, '</object>'); + text = text.replace(/\s*(<\/?(?:param|embed)[^>]*>)\s*/g, '$1'); + } + + /* + * Collapse line breaks inside <audio> and <video> elements, + * before and after <source> and <track> elements. + */ + if (text.indexOf('<source') !== -1 || text.indexOf('<track') !== -1) { + text = text.replace(/([<\[](?:audio|video)[^>\]]*[>\]])\s*/g, '$1'); + text = text.replace(/\s*([<\[]\/(?:audio|video)[>\]])/g, '$1'); + text = text.replace(/\s*(<(?:source|track)[^>]*>)\s*/g, '$1'); + } + + // Collapse line breaks before and after <figcaption> elements. + if (text.indexOf('<figcaption') !== -1) { + text = text.replace(/\s*(<figcaption[^>]*>)/, '$1'); + text = text.replace(/<\/figcaption>\s*/, '</figcaption>'); + } + + // Remove more than two contiguous line breaks. + text = text.replace(/\n\n+/g, '\n\n'); + + // Split up the contents into an array of strings, separated by double line breaks. + const texts = text.split(/\n\s*\n/).filter(Boolean); + + // Reset text prior to rebuilding. + text = ''; + + // Rebuild the content as a string, wrapping every bit with a <p>. + texts.forEach(textPiece => { + text += '<p>' + textPiece.replace(/^\n*|\n*$/g, '') + '</p>\n'; + }); + + // Under certain strange conditions it could create a P of entirely whitespace. + text = text.replace(/<p>\s*<\/p>/g, ''); + + // Add a closing <p> inside <div>, <address>, or <form> tag if missing. + text = text.replace(/<p>([^<]+)<\/(div|address|form)>/g, '<p>$1</p></$2>'); + + // If an opening or closing block element tag is wrapped in a <p>, unwrap it. + text = text.replace(new RegExp('<p>\\s*(</?' + allBlocks + '[^>]*>)\\s*</p>', 'g'), '$1'); + + // In some cases <li> may get wrapped in <p>, fix them. + text = text.replace(/<p>(<li.+?)<\/p>/g, '$1'); + + // If a <blockquote> is wrapped with a <p>, move it inside the <blockquote>. + text = text.replace(/<p><blockquote([^>]*)>/gi, '<blockquote$1><p>'); + text = text.replace(/<\/blockquote><\/p>/g, '</p></blockquote>'); + + // If an opening or closing block element tag is preceded by an opening <p> tag, remove it. + text = text.replace(new RegExp('<p>\\s*(</?' + allBlocks + '[^>]*>)', 'g'), '$1'); + + // If an opening or closing block element tag is followed by a closing <p> tag, remove it. + text = text.replace(new RegExp('(</?' + allBlocks + '[^>]*>)\\s*</p>', 'g'), '$1'); + + // Optionally insert line breaks. + if (br) { + // Replace newlines that shouldn't be touched with a placeholder. + text = text.replace(/<(script|style).*?<\/\\1>/g, match => match[0].replace(/\n/g, '<WPPreserveNewline />')); + + // Normalize <br> + text = text.replace(/<br>|<br\/>/g, '<br />'); + + // Replace any new line characters that aren't preceded by a <br /> with a <br />. + text = text.replace(/(<br \/>)?\s*\n/g, (a, b) => b ? a : '<br />\n'); + + // Replace newline placeholders with newlines. + text = text.replace(/<WPPreserveNewline \/>/g, '\n'); + } + + // If a <br /> tag is after an opening or closing block tag, remove it. + text = text.replace(new RegExp('(</?' + allBlocks + '[^>]*>)\\s*<br />', 'g'), '$1'); + + // If a <br /> tag is before a subset of opening or closing block tags, remove it. + text = text.replace(/<br \/>(\s*<\/?(?:p|li|div|dl|dd|dt|th|pre|td|ul|ol)[^>]*>)/g, '$1'); + text = text.replace(/\n<\/p>$/g, '</p>'); + + // Replace placeholder <pre> tags with their original content. + preTags.forEach(preTag => { + const [name, original] = preTag; + text = text.replace(name, original); + }); + + // Restore newlines in all elements. + if (-1 !== text.indexOf('<!-- wpnl -->')) { + text = text.replace(/\s?<!-- wpnl -->\s?/g, '\n'); + } + return text; +} + +/** + * Replaces `<p>` tags with two line breaks. "Opposite" of autop(). + * + * Replaces `<p>` tags with two line breaks except where the `<p>` has attributes. + * Unifies whitespace. Indents `<li>`, `<dt>` and `<dd>` for better readability. + * + * @param {string} html The content from the editor. + * + * @example + * ```js + * import { removep } from '@wordpress/autop'; + * removep( '<p>my text</p>' ); // "my text" + * ``` + * + * @return {string} The content with stripped paragraph tags. + */ +function removep(html) { + const blocklist = 'blockquote|ul|ol|li|dl|dt|dd|table|thead|tbody|tfoot|tr|th|td|h[1-6]|fieldset|figure'; + const blocklist1 = blocklist + '|div|p'; + const blocklist2 = blocklist + '|pre'; + /** @type {string[]} */ + const preserve = []; + let preserveLinebreaks = false; + let preserveBr = false; + if (!html) { + return ''; + } + + // Protect script and style tags. + if (html.indexOf('<script') !== -1 || html.indexOf('<style') !== -1) { + html = html.replace(/<(script|style)[^>]*>[\s\S]*?<\/\1>/g, match => { + preserve.push(match); + return '<wp-preserve>'; + }); + } + + // Protect pre tags. + if (html.indexOf('<pre') !== -1) { + preserveLinebreaks = true; + html = html.replace(/<pre[^>]*>[\s\S]+?<\/pre>/g, a => { + a = a.replace(/<br ?\/?>(\r\n|\n)?/g, '<wp-line-break>'); + a = a.replace(/<\/?p( [^>]*)?>(\r\n|\n)?/g, '<wp-line-break>'); + return a.replace(/\r?\n/g, '<wp-line-break>'); + }); + } + + // Remove line breaks but keep <br> tags inside image captions. + if (html.indexOf('[caption') !== -1) { + preserveBr = true; + html = html.replace(/\[caption[\s\S]+?\[\/caption\]/g, a => { + return a.replace(/<br([^>]*)>/g, '<wp-temp-br$1>').replace(/[\r\n\t]+/, ''); + }); + } + + // Normalize white space characters before and after block tags. + html = html.replace(new RegExp('\\s*</(' + blocklist1 + ')>\\s*', 'g'), '</$1>\n'); + html = html.replace(new RegExp('\\s*<((?:' + blocklist1 + ')(?: [^>]*)?)>', 'g'), '\n<$1>'); + + // Mark </p> if it has any attributes. + html = html.replace(/(<p [^>]+>[\s\S]*?)<\/p>/g, '$1</p#>'); + + // Preserve the first <p> inside a <div>. + html = html.replace(/<div( [^>]*)?>\s*<p>/gi, '<div$1>\n\n'); + + // Remove paragraph tags. + html = html.replace(/\s*<p>/gi, ''); + html = html.replace(/\s*<\/p>\s*/gi, '\n\n'); + + // Normalize white space chars and remove multiple line breaks. + html = html.replace(/\n[\s\u00a0]+\n/g, '\n\n'); + + // Replace <br> tags with line breaks. + html = html.replace(/(\s*)<br ?\/?>\s*/gi, (_, space) => { + if (space && space.indexOf('\n') !== -1) { + return '\n\n'; + } + return '\n'; + }); + + // Fix line breaks around <div>. + html = html.replace(/\s*<div/g, '\n<div'); + html = html.replace(/<\/div>\s*/g, '</div>\n'); + + // Fix line breaks around caption shortcodes. + html = html.replace(/\s*\[caption([^\[]+)\[\/caption\]\s*/gi, '\n\n[caption$1[/caption]\n\n'); + html = html.replace(/caption\]\n\n+\[caption/g, 'caption]\n\n[caption'); + + // Pad block elements tags with a line break. + html = html.replace(new RegExp('\\s*<((?:' + blocklist2 + ')(?: [^>]*)?)\\s*>', 'g'), '\n<$1>'); + html = html.replace(new RegExp('\\s*</(' + blocklist2 + ')>\\s*', 'g'), '</$1>\n'); + + // Indent <li>, <dt> and <dd> tags. + html = html.replace(/<((li|dt|dd)[^>]*)>/g, ' \t<$1>'); + + // Fix line breaks around <select> and <option>. + if (html.indexOf('<option') !== -1) { + html = html.replace(/\s*<option/g, '\n<option'); + html = html.replace(/\s*<\/select>/g, '\n</select>'); + } + + // Pad <hr> with two line breaks. + if (html.indexOf('<hr') !== -1) { + html = html.replace(/\s*<hr( [^>]*)?>\s*/g, '\n\n<hr$1>\n\n'); + } + + // Remove line breaks in <object> tags. + if (html.indexOf('<object') !== -1) { + html = html.replace(/<object[\s\S]+?<\/object>/g, a => { + return a.replace(/[\r\n]+/g, ''); + }); + } + + // Unmark special paragraph closing tags. + html = html.replace(/<\/p#>/g, '</p>\n'); + + // Pad remaining <p> tags whit a line break. + html = html.replace(/\s*(<p [^>]+>[\s\S]*?<\/p>)/g, '\n$1'); + + // Trim. + html = html.replace(/^\s+/, ''); + html = html.replace(/[\s\u00a0]+$/, ''); + if (preserveLinebreaks) { + html = html.replace(/<wp-line-break>/g, '\n'); + } + if (preserveBr) { + html = html.replace(/<wp-temp-br([^>]*)>/g, '<br$1>'); + } + + // Restore preserved tags. + if (preserve.length) { + html = html.replace(/<wp-preserve>/g, () => { + return (/** @type {string} */preserve.shift() + ); + }); + } + return html; +} + +(window.wp = window.wp || {}).autop = __webpack_exports__; +/******/ })() +;
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