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   1  /******/ (() => { // webpackBootstrap
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  35  /************************************************************************/
  36  var __webpack_exports__ = {};
  37  __webpack_require__.r(__webpack_exports__);
  38  /* harmony export */ __webpack_require__.d(__webpack_exports__, {
  39  /* harmony export */   autop: () => (/* binding */ autop),
  40  /* harmony export */   removep: () => (/* binding */ removep)
  41  /* harmony export */ });
  42  /**
  43   * The regular expression for an HTML element.
  44   */
  45  const htmlSplitRegex = (() => {
  46    /* eslint-disable no-multi-spaces */
  47    const comments = '!' +
  48    // Start of comment, after the <.
  49    '(?:' +
  50    // Unroll the loop: Consume everything until --> is found.
  51    '-(?!->)' +
  52    // Dash not followed by end of comment.
  53    '[^\\-]*' +
  54    // Consume non-dashes.
  55    ')*' +
  56    // Loop possessively.
  57    '(?:-->)?'; // End of comment. If not found, match all input.
  58  
  59    const cdata = '!\\[CDATA\\[' +
  60    // Start of comment, after the <.
  61    '[^\\]]*' +
  62    // Consume non-].
  63    '(?:' +
  64    // Unroll the loop: Consume everything until ]]> is found.
  65    '](?!]>)' +
  66    // One ] not followed by end of comment.
  67    '[^\\]]*' +
  68    // Consume non-].
  69    ')*?' +
  70    // Loop possessively.
  71    '(?:]]>)?'; // End of comment. If not found, match all input.
  72  
  73    const escaped = '(?=' +
  74    // Is the element escaped?
  75    '!--' + '|' + '!\\[CDATA\\[' + ')' + '((?=!-)' +
  76    // If yes, which type?
  77    comments + '|' + cdata + ')';
  78    const regex = '(' +
  79    // Capture the entire match.
  80    '<' +
  81    // Find start of element.
  82    '(' +
  83    // Conditional expression follows.
  84    escaped +
  85    // Find end of escaped element.
  86    '|' +
  87    // ... else ...
  88    '[^>]*>?' +
  89    // Find end of normal element.
  90    ')' + ')';
  91    return new RegExp(regex);
  92    /* eslint-enable no-multi-spaces */
  93  })();
  94  
  95  /**
  96   * Separate HTML elements and comments from the text.
  97   *
  98   * @param input The text which has to be formatted.
  99   *
 100   * @return The formatted text.
 101   */
 102  function htmlSplit(input) {
 103    const parts = [];
 104    let workingInput = input;
 105    let match;
 106    while (match = workingInput.match(htmlSplitRegex)) {
 107      // The `match` result, when invoked on a RegExp with the `g` flag (`/foo/g`) will not include `index`.
 108      // If the `g` flag is omitted, `index` is included.
 109      // `htmlSplitRegex` does not have the `g` flag so we can assert it will have an index number.
 110      // Assert `match.index` is a number.
 111      const index = match.index;
 112      parts.push(workingInput.slice(0, index));
 113      parts.push(match[0]);
 114      workingInput = workingInput.slice(index + match[0].length);
 115    }
 116    if (workingInput.length) {
 117      parts.push(workingInput);
 118    }
 119    return parts;
 120  }
 121  
 122  /**
 123   * Replace characters or phrases within HTML elements only.
 124   *
 125   * @param haystack     The text which has to be formatted.
 126   * @param replacePairs In the form {from: 'to', …}.
 127   *
 128   * @return The formatted text.
 129   */
 130  function replaceInHtmlTags(haystack, replacePairs) {
 131    // Find all elements.
 132    const textArr = htmlSplit(haystack);
 133    let changed = false;
 134  
 135    // Extract all needles.
 136    const needles = Object.keys(replacePairs);
 137  
 138    // Loop through delimiters (elements) only.
 139    for (let i = 1; i < textArr.length; i += 2) {
 140      for (let j = 0; j < needles.length; j++) {
 141        const needle = needles[j];
 142        if (-1 !== textArr[i].indexOf(needle)) {
 143          textArr[i] = textArr[i].replace(new RegExp(needle, 'g'), replacePairs[needle]);
 144          changed = true;
 145          // After one strtr() break out of the foreach loop and look at next element.
 146          break;
 147        }
 148      }
 149    }
 150    if (changed) {
 151      haystack = textArr.join('');
 152    }
 153    return haystack;
 154  }
 155  
 156  /**
 157   * Replaces double line-breaks with paragraph elements.
 158   *
 159   * A group of regex replaces used to identify text formatted with newlines and
 160   * replace double line-breaks with HTML paragraph tags. The remaining line-
 161   * breaks after conversion become `<br />` tags, unless br is set to 'false'.
 162   *
 163   * @param text The text which has to be formatted.
 164   * @param br   Optional. If set, will convert all remaining line-
 165   *             breaks after paragraphing. Default true.
 166   *
 167   * @example
 168   *```js
 169   * import { autop } from '@wordpress/autop';
 170   * autop( 'my text' ); // "<p>my text</p>"
 171   * ```
 172   *
 173   * @return Text which has been converted into paragraph tags.
 174   */
 175  function autop(text, br = true) {
 176    const preTags = [];
 177    if (text.trim() === '') {
 178      return '';
 179    }
 180  
 181    // Just to make things a little easier, pad the end.
 182    text = text + '\n';
 183  
 184    /*
 185     * Pre tags shouldn't be touched by autop.
 186     * Replace pre tags with placeholders and bring them back after autop.
 187     */
 188    if (text.indexOf('<pre') !== -1) {
 189      const textParts = text.split('</pre>');
 190      const lastText = textParts.pop();
 191      text = '';
 192      for (let i = 0; i < textParts.length; i++) {
 193        const textPart = textParts[i];
 194        const start = textPart.indexOf('<pre');
 195  
 196        // Malformed html?
 197        if (start === -1) {
 198          text += textPart;
 199          continue;
 200        }
 201        const name = '<pre wp-pre-tag-' + i + '></pre>';
 202        preTags.push([name, textPart.substr(start) + '</pre>']);
 203        text += textPart.substr(0, start) + name;
 204      }
 205      text += lastText;
 206    }
 207    // Change multiple <br>s into two line breaks, which will turn into paragraphs.
 208    text = text.replace(/<br\s*\/?>\s*<br\s*\/?>/g, '\n\n');
 209    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)';
 210  
 211    // Add a double line break above block-level opening tags.
 212    text = text.replace(new RegExp('(<' + allBlocks + '[\\s/>])', 'g'), '\n\n$1');
 213  
 214    // Add a double line break below block-level closing tags.
 215    text = text.replace(new RegExp('(</' + allBlocks + '>)', 'g'), '$1\n\n');
 216  
 217    // Standardize newline characters to "\n".
 218    text = text.replace(/\r\n|\r/g, '\n');
 219  
 220    // Find newlines in all elements and add placeholders.
 221    text = replaceInHtmlTags(text, {
 222      '\n': ' <!-- wpnl --> '
 223    });
 224  
 225    // Collapse line breaks before and after <option> elements so they don't get autop'd.
 226    if (text.indexOf('<option') !== -1) {
 227      text = text.replace(/\s*<option/g, '<option');
 228      text = text.replace(/<\/option>\s*/g, '</option>');
 229    }
 230  
 231    /*
 232     * Collapse line breaks inside <object> elements, before <param> and <embed> elements
 233     * so they don't get autop'd.
 234     */
 235    if (text.indexOf('</object>') !== -1) {
 236      text = text.replace(/(<object[^>]*>)\s*/g, '$1');
 237      text = text.replace(/\s*<\/object>/g, '</object>');
 238      text = text.replace(/\s*(<\/?(?:param|embed)[^>]*>)\s*/g, '$1');
 239    }
 240  
 241    /*
 242     * Collapse line breaks inside <audio> and <video> elements,
 243     * before and after <source> and <track> elements.
 244     */
 245    if (text.indexOf('<source') !== -1 || text.indexOf('<track') !== -1) {
 246      text = text.replace(/([<\[](?:audio|video)[^>\]]*[>\]])\s*/g, '$1');
 247      text = text.replace(/\s*([<\[]\/(?:audio|video)[>\]])/g, '$1');
 248      text = text.replace(/\s*(<(?:source|track)[^>]*>)\s*/g, '$1');
 249    }
 250  
 251    // Collapse line breaks before and after <figcaption> elements.
 252    if (text.indexOf('<figcaption') !== -1) {
 253      text = text.replace(/\s*(<figcaption[^>]*>)/, '$1');
 254      text = text.replace(/<\/figcaption>\s*/, '</figcaption>');
 255    }
 256  
 257    // Remove more than two contiguous line breaks.
 258    text = text.replace(/\n\n+/g, '\n\n');
 259  
 260    // Split up the contents into an array of strings, separated by double line breaks.
 261    const texts = text.split(/\n\s*\n/).filter(Boolean);
 262  
 263    // Reset text prior to rebuilding.
 264    text = '';
 265  
 266    // Rebuild the content as a string, wrapping every bit with a <p>.
 267    texts.forEach(textPiece => {
 268      text += '<p>' + textPiece.replace(/^\n*|\n*$/g, '') + '</p>\n';
 269    });
 270  
 271    // Under certain strange conditions it could create a P of entirely whitespace.
 272    text = text.replace(/<p>\s*<\/p>/g, '');
 273  
 274    // Add a closing <p> inside <div>, <address>, or <form> tag if missing.
 275    text = text.replace(/<p>([^<]+)<\/(div|address|form)>/g, '<p>$1</p></$2>');
 276  
 277    // If an opening or closing block element tag is wrapped in a <p>, unwrap it.
 278    text = text.replace(new RegExp('<p>\\s*(</?' + allBlocks + '[^>]*>)\\s*</p>', 'g'), '$1');
 279  
 280    // In some cases <li> may get wrapped in <p>, fix them.
 281    text = text.replace(/<p>(<li.+?)<\/p>/g, '$1');
 282  
 283    // If a <blockquote> is wrapped with a <p>, move it inside the <blockquote>.
 284    text = text.replace(/<p><blockquote([^>]*)>/gi, '<blockquote$1><p>');
 285    text = text.replace(/<\/blockquote><\/p>/g, '</p></blockquote>');
 286  
 287    // If an opening or closing block element tag is preceded by an opening <p> tag, remove it.
 288    text = text.replace(new RegExp('<p>\\s*(</?' + allBlocks + '[^>]*>)', 'g'), '$1');
 289  
 290    // If an opening or closing block element tag is followed by a closing <p> tag, remove it.
 291    text = text.replace(new RegExp('(</?' + allBlocks + '[^>]*>)\\s*</p>', 'g'), '$1');
 292  
 293    // Optionally insert line breaks.
 294    if (br) {
 295      // Replace newlines that shouldn't be touched with a placeholder.
 296      text = text.replace(/<(script|style).*?<\/\\1>/g, match => match[0].replace(/\n/g, '<WPPreserveNewline />'));
 297  
 298      // Normalize <br>
 299      text = text.replace(/<br>|<br\/>/g, '<br />');
 300  
 301      // Replace any new line characters that aren't preceded by a <br /> with a <br />.
 302      text = text.replace(/(<br \/>)?\s*\n/g, (a, b) => b ? a : '<br />\n');
 303  
 304      // Replace newline placeholders with newlines.
 305      text = text.replace(/<WPPreserveNewline \/>/g, '\n');
 306    }
 307  
 308    // If a <br /> tag is after an opening or closing block tag, remove it.
 309    text = text.replace(new RegExp('(</?' + allBlocks + '[^>]*>)\\s*<br />', 'g'), '$1');
 310  
 311    // If a <br /> tag is before a subset of opening or closing block tags, remove it.
 312    text = text.replace(/<br \/>(\s*<\/?(?:p|li|div|dl|dd|dt|th|pre|td|ul|ol)[^>]*>)/g, '$1');
 313    text = text.replace(/\n<\/p>$/g, '</p>');
 314  
 315    // Replace placeholder <pre> tags with their original content.
 316    preTags.forEach(preTag => {
 317      const [name, original] = preTag;
 318      text = text.replace(name, original);
 319    });
 320  
 321    // Restore newlines in all elements.
 322    if (-1 !== text.indexOf('<!-- wpnl -->')) {
 323      text = text.replace(/\s?<!-- wpnl -->\s?/g, '\n');
 324    }
 325    return text;
 326  }
 327  
 328  /**
 329   * Replaces `<p>` tags with two line breaks. "Opposite" of autop().
 330   *
 331   * Replaces `<p>` tags with two line breaks except where the `<p>` has attributes.
 332   * Unifies whitespace. Indents `<li>`, `<dt>` and `<dd>` for better readability.
 333   *
 334   * @param html The content from the editor.
 335   *
 336   * @example
 337   * ```js
 338   * import { removep } from '@wordpress/autop';
 339   * removep( '<p>my text</p>' ); // "my text"
 340   * ```
 341   *
 342   * @return The content with stripped paragraph tags.
 343   */
 344  function removep(html) {
 345    const blocklist = 'blockquote|ul|ol|li|dl|dt|dd|table|thead|tbody|tfoot|tr|th|td|h[1-6]|fieldset|figure';
 346    const blocklist1 = blocklist + '|div|p';
 347    const blocklist2 = blocklist + '|pre';
 348    const preserve = [];
 349    let preserveLinebreaks = false;
 350    let preserveBr = false;
 351    if (!html) {
 352      return '';
 353    }
 354  
 355    // Protect script and style tags.
 356    if (html.indexOf('<script') !== -1 || html.indexOf('<style') !== -1) {
 357      html = html.replace(/<(script|style)[^>]*>[\s\S]*?<\/\1>/g, match => {
 358        preserve.push(match);
 359        return '<wp-preserve>';
 360      });
 361    }
 362  
 363    // Protect pre tags.
 364    if (html.indexOf('<pre') !== -1) {
 365      preserveLinebreaks = true;
 366      html = html.replace(/<pre[^>]*>[\s\S]+?<\/pre>/g, a => {
 367        a = a.replace(/<br ?\/?>(\r\n|\n)?/g, '<wp-line-break>');
 368        a = a.replace(/<\/?p( [^>]*)?>(\r\n|\n)?/g, '<wp-line-break>');
 369        return a.replace(/\r?\n/g, '<wp-line-break>');
 370      });
 371    }
 372  
 373    // Remove line breaks but keep <br> tags inside image captions.
 374    if (html.indexOf('[caption') !== -1) {
 375      preserveBr = true;
 376      html = html.replace(/\[caption[\s\S]+?\[\/caption\]/g, a => {
 377        return a.replace(/<br([^>]*)>/g, '<wp-temp-br$1>').replace(/[\r\n\t]+/, '');
 378      });
 379    }
 380  
 381    // Normalize white space characters before and after block tags.
 382    html = html.replace(new RegExp('\\s*</(' + blocklist1 + ')>\\s*', 'g'), '</$1>\n');
 383    html = html.replace(new RegExp('\\s*<((?:' + blocklist1 + ')(?: [^>]*)?)>', 'g'), '\n<$1>');
 384  
 385    // Mark </p> if it has any attributes.
 386    html = html.replace(/(<p [^>]+>[\s\S]*?)<\/p>/g, '$1</p#>');
 387  
 388    // Preserve the first <p> inside a <div>.
 389    html = html.replace(/<div( [^>]*)?>\s*<p>/gi, '<div$1>\n\n');
 390  
 391    // Remove paragraph tags.
 392    html = html.replace(/\s*<p>/gi, '');
 393    html = html.replace(/\s*<\/p>\s*/gi, '\n\n');
 394  
 395    // Normalize white space chars and remove multiple line breaks.
 396    html = html.replace(/\n[\s\u00a0]+\n/g, '\n\n');
 397  
 398    // Replace <br> tags with line breaks.
 399    html = html.replace(/(\s*)<br ?\/?>\s*/gi, (_, space) => {
 400      if (space && space.indexOf('\n') !== -1) {
 401        return '\n\n';
 402      }
 403      return '\n';
 404    });
 405  
 406    // Fix line breaks around <div>.
 407    html = html.replace(/\s*<div/g, '\n<div');
 408    html = html.replace(/<\/div>\s*/g, '</div>\n');
 409  
 410    // Fix line breaks around caption shortcodes.
 411    html = html.replace(/\s*\[caption([^\[]+)\[\/caption\]\s*/gi, '\n\n[caption$1[/caption]\n\n');
 412    html = html.replace(/caption\]\n\n+\[caption/g, 'caption]\n\n[caption');
 413  
 414    // Pad block elements tags with a line break.
 415    html = html.replace(new RegExp('\\s*<((?:' + blocklist2 + ')(?: [^>]*)?)\\s*>', 'g'), '\n<$1>');
 416    html = html.replace(new RegExp('\\s*</(' + blocklist2 + ')>\\s*', 'g'), '</$1>\n');
 417  
 418    // Indent <li>, <dt> and <dd> tags.
 419    html = html.replace(/<((li|dt|dd)[^>]*)>/g, ' \t<$1>');
 420  
 421    // Fix line breaks around <select> and <option>.
 422    if (html.indexOf('<option') !== -1) {
 423      html = html.replace(/\s*<option/g, '\n<option');
 424      html = html.replace(/\s*<\/select>/g, '\n</select>');
 425    }
 426  
 427    // Pad <hr> with two line breaks.
 428    if (html.indexOf('<hr') !== -1) {
 429      html = html.replace(/\s*<hr( [^>]*)?>\s*/g, '\n\n<hr$1>\n\n');
 430    }
 431  
 432    // Remove line breaks in <object> tags.
 433    if (html.indexOf('<object') !== -1) {
 434      html = html.replace(/<object[\s\S]+?<\/object>/g, a => {
 435        return a.replace(/[\r\n]+/g, '');
 436      });
 437    }
 438  
 439    // Unmark special paragraph closing tags.
 440    html = html.replace(/<\/p#>/g, '</p>\n');
 441  
 442    // Pad remaining <p> tags whit a line break.
 443    html = html.replace(/\s*(<p [^>]+>[\s\S]*?<\/p>)/g, '\n$1');
 444  
 445    // Trim.
 446    html = html.replace(/^\s+/, '');
 447    html = html.replace(/[\s\u00a0]+$/, '');
 448    if (preserveLinebreaks) {
 449      html = html.replace(/<wp-line-break>/g, '\n');
 450    }
 451    if (preserveBr) {
 452      html = html.replace(/<wp-temp-br([^>]*)>/g, '<br$1>');
 453    }
 454  
 455    // Restore preserved tags.
 456    if (preserve.length) {
 457      html = html.replace(/<wp-preserve>/g, () => {
 458        return preserve.shift();
 459      });
 460    }
 461    return html;
 462  }
 463  
 464  (window.wp = window.wp || {}).autop = __webpack_exports__;
 465  /******/ })()
 466  ;