1 var global = require('../internals/global');
2 var isCallable = require('../internals/is-callable');
3 var hasOwn = require('../internals/has-own-property');
4 var createNonEnumerableProperty = require('../internals/create-non-enumerable-property');
5 var setGlobal = require('../internals/set-global');
6 var inspectSource = require('../internals/inspect-source');
7 var InternalStateModule = require('../internals/internal-state');
8 var CONFIGURABLE_FUNCTION_NAME = require('../internals/function-name').CONFIGURABLE;
10 var getInternalState = InternalStateModule.get;
11 var enforceInternalState = InternalStateModule.enforce;
12 var TEMPLATE = String(String).split('String');
14 (module.exports = function (O, key, value, options) {
15 var unsafe = options ? !!options.unsafe : false;
16 var simple = options ? !!options.enumerable : false;
17 var noTargetGet = options ? !!options.noTargetGet : false;
18 var name = options && options.name !== undefined ? options.name : key;
20 if (isCallable(value)) {
21 if (String(name).slice(0, 7) === 'Symbol(') {
22 name = '[' + String(name).replace(/^Symbol\(([^)]*)\)/, '$1') + ']';
24 if (!hasOwn(value, 'name') || (CONFIGURABLE_FUNCTION_NAME && value.name !== name)) {
25 createNonEnumerableProperty(value, 'name', name);
27 state = enforceInternalState(value);
29 state.source = TEMPLATE.join(typeof name == 'string' ? name : '');
33 if (simple) O[key] = value;
34 else setGlobal(key, value);
38 } else if (!noTargetGet && O[key]) {
41 if (simple) O[key] = value;
42 else createNonEnumerableProperty(O, key, value);
43 // add fake Function#toString for correct work wrapped methods / constructors with methods like LoDash isNative
44 })(Function.prototype, 'toString', function toString() {
45 return isCallable(this) && getInternalState(this).source || inspectSource(this);