basant307/AI_Governance_Project

1var escapeHtmlChar = require('./_escapeHtmlChar'),2    toString = require('./toString');3 4/** Used to match HTML entities and HTML characters. */5var reUnescapedHtml = /[&<>"']/g,6    reHasUnescapedHtml = RegExp(reUnescapedHtml.source);7 8/**9 * Converts the characters "&", "<", ">", '"', and "'" in `string` to their10 * corresponding HTML entities.11 *12 * **Note:** No other characters are escaped. To escape additional13 * characters use a third-party library like [_he_](https://mths.be/he).14 *15 * Though the ">" character is escaped for symmetry, characters like16 * ">" and "/" don't need escaping in HTML and have no special meaning17 * unless they're part of a tag or unquoted attribute value. See18 * [Mathias Bynens's article](https://mathiasbynens.be/notes/ambiguous-ampersands)19 * (under "semi-related fun fact") for more details.20 *21 * When working with HTML you should always22 * [quote attribute values](http://wonko.com/post/html-escaping) to reduce23 * XSS vectors.24 *25 * @static26 * @since 0.1.027 * @memberOf _28 * @category String29 * @param {string} [string=''] The string to escape.30 * @returns {string} Returns the escaped string.31 * @example32 *33 * _.escape('fred, barney, & pebbles');34 * // => 'fred, barney, &amp; pebbles'35 */36function escape(string) {37  string = toString(string);38  return (string && reHasUnescapedHtml.test(string))39    ? string.replace(reUnescapedHtml, escapeHtmlChar)40    : string;41}42 43module.exports = escape;44