wallet-core/node_modules/core-js/modules/$.redefine.js
2017-05-03 15:35:00 +02:00

27 lines
898 B
JavaScript

// add fake Function#toString
// for correct work wrapped methods / constructors with methods like LoDash isNative
var global = require('./$.global')
, hide = require('./$.hide')
, SRC = require('./$.uid')('src')
, TO_STRING = 'toString'
, $toString = Function[TO_STRING]
, TPL = ('' + $toString).split(TO_STRING);
require('./$.core').inspectSource = function(it){
return $toString.call(it);
};
(module.exports = function(O, key, val, safe){
if(typeof val == 'function'){
val.hasOwnProperty(SRC) || hide(val, SRC, O[key] ? '' + O[key] : TPL.join(String(key)));
val.hasOwnProperty('name') || hide(val, 'name', key);
}
if(O === global){
O[key] = val;
} else {
if(!safe)delete O[key];
hide(O, key, val);
}
})(Function.prototype, TO_STRING, function toString(){
return typeof this == 'function' && this[SRC] || $toString.call(this);
});