File "autop.js"
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/******/ (() => { // webpackBootstrap
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/******/ // The require scope
/******/ var __webpack_require__ = {};
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/************************************************************************/
/******/ /* webpack/runtime/define property getters */
/******/ (() => {
/******/ // define getter functions for harmony exports
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/************************************************************************/
var __webpack_exports__ = {};
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */ autop: () => (/* binding */ autop),
/* harmony export */ removep: () => (/* 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__;
/******/ })()
;