32 lines
1 KiB
JavaScript
32 lines
1 KiB
JavaScript
|
var global = require('./_global');
|
||
|
|
var hide = require('./_hide');
|
||
|
|
var has = require('./_has');
|
||
|
|
var SRC = require('./_uid')('src');
|
||
|
|
var $toString = require('./_function-to-string');
|
||
|
|
var TO_STRING = 'toString';
|
||
|
|
var TPL = ('' + $toString).split(TO_STRING);
|
||
|
|
|
||
|
|
require('./_core').inspectSource = function (it) {
|
||
|
|
return $toString.call(it);
|
||
|
|
};
|
||
|
|
|
||
|
|
(module.exports = function (O, key, val, safe) {
|
||
|
|
var isFunction = typeof val == 'function';
|
||
|
|
if (isFunction) has(val, 'name') || hide(val, 'name', key);
|
||
|
|
if (O[key] === val) return;
|
||
|
|
if (isFunction) has(val, SRC) || hide(val, SRC, O[key] ? '' + O[key] : TPL.join(String(key)));
|
||
|
|
if (O === global) {
|
||
|
|
O[key] = val;
|
||
|
|
} else if (!safe) {
|
||
|
|
delete O[key];
|
||
|
|
hide(O, key, val);
|
||
|
|
} else if (O[key]) {
|
||
|
|
O[key] = val;
|
||
|
|
} else {
|
||
|
|
hide(O, key, val);
|
||
|
|
}
|
||
|
|
// add fake Function#toString for correct work wrapped methods / constructors with methods like LoDash isNative
|
||
|
|
})(Function.prototype, TO_STRING, function toString() {
|
||
|
|
return typeof this == 'function' && this[SRC] || $toString.call(this);
|
||
|
|
});
|