123456789101112131415161718192021
var coreJsData = require('./_coreJsData');
/** Used to detect methods masquerading as native. */var maskSrcKey = (function() {  var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || '');  return uid ? ('Symbol(src)_1.' + uid) : '';}());
/** * Checks if `func` has its source masked. * * @private * @param {Function} func The function to check. * @returns {boolean} Returns `true` if `func` is masked, else `false`. */function isMasked(func) {  return !!maskSrcKey && (maskSrcKey in func);}
module.exports = isMasked;