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2d441493a4
PR-URL: https://github.com/nodejs/io.js/pull/2286 Reviewed-By: Roman Reiss <me@silverwind.io>
34 lines
1.1 KiB
JavaScript
34 lines
1.1 KiB
JavaScript
var baseToString = require('../internal/baseToString'),
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unescapeHtmlChar = require('../internal/unescapeHtmlChar');
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/** Used to match HTML entities and HTML characters. */
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var reEscapedHtml = /&(?:amp|lt|gt|quot|#39|#96);/g,
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reHasEscapedHtml = RegExp(reEscapedHtml.source);
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/**
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* The inverse of `_.escape`; this method converts the HTML entities
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* `&`, `<`, `>`, `"`, `'`, and ``` in `string` to their
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* corresponding characters.
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*
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* **Note:** No other HTML entities are unescaped. To unescape additional HTML
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* entities use a third-party library like [_he_](https://mths.be/he).
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*
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* @static
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* @memberOf _
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* @category String
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* @param {string} [string=''] The string to unescape.
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* @returns {string} Returns the unescaped string.
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* @example
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*
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* _.unescape('fred, barney, & pebbles');
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* // => 'fred, barney, & pebbles'
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*/
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function unescape(string) {
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string = baseToString(string);
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return (string && reHasEscapedHtml.test(string))
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? string.replace(reEscapedHtml, unescapeHtmlChar)
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: string;
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}
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module.exports = unescape;
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