1234567891011121314151617181920212223242526272829303132333435363738394041424344
var escapeHtmlChar = require('./_escapeHtmlChar'),    toString = require('./toString');
/** Used to match HTML entities and HTML characters. */var reUnescapedHtml = /[&<>"']/g,    reHasUnescapedHtml = RegExp(reUnescapedHtml.source);
/** * Converts the characters "&", "<", ">", '"', and "'" in `string` to their * corresponding HTML entities. * * **Note:** No other characters are escaped. To escape additional * characters use a third-party library like [_he_](https://mths.be/he). * * Though the ">" character is escaped for symmetry, characters like * ">" and "/" don't need escaping in HTML and have no special meaning * unless they're part of a tag or unquoted attribute value. See * [Mathias Bynens's article](https://mathiasbynens.be/notes/ambiguous-ampersands) * (under "semi-related fun fact") for more details. * * When working with HTML you should always * [quote attribute values](http://wonko.com/post/html-escaping) to reduce * XSS vectors. * * @static * @since 0.1.0 * @memberOf _ * @category String * @param {string} [string=''] The string to escape. * @returns {string} Returns the escaped string. * @example * * _.escape('fred, barney, & pebbles'); * // => 'fred, barney, &amp; pebbles' */function escape(string) {  string = toString(string);  return (string && reHasUnescapedHtml.test(string))    ? string.replace(reUnescapedHtml, escapeHtmlChar)    : string;}
module.exports = escape;