--- /dev/null
+var global = require('../internals/global');
+var createNonEnumerableProperty = require('../internals/create-non-enumerable-property');
+var has = require('../internals/has');
+var setGlobal = require('../internals/set-global');
+var inspectSource = require('../internals/inspect-source');
+var InternalStateModule = require('../internals/internal-state');
+
+var getInternalState = InternalStateModule.get;
+var enforceInternalState = InternalStateModule.enforce;
+var TEMPLATE = String(String).split('String');
+
+(module.exports = function (O, key, value, options) {
+ var unsafe = options ? !!options.unsafe : false;
+ var simple = options ? !!options.enumerable : false;
+ var noTargetGet = options ? !!options.noTargetGet : false;
+ var state;
+ if (typeof value == 'function') {
+ if (typeof key == 'string' && !has(value, 'name')) {
+ createNonEnumerableProperty(value, 'name', key);
+ }
+ state = enforceInternalState(value);
+ if (!state.source) {
+ state.source = TEMPLATE.join(typeof key == 'string' ? key : '');
+ }
+ }
+ if (O === global) {
+ if (simple) O[key] = value;
+ else setGlobal(key, value);
+ return;
+ } else if (!unsafe) {
+ delete O[key];
+ } else if (!noTargetGet && O[key]) {
+ simple = true;
+ }
+ if (simple) O[key] = value;
+ else createNonEnumerableProperty(O, key, value);
+// add fake Function#toString for correct work wrapped methods / constructors with methods like LoDash isNative
+})(Function.prototype, 'toString', function toString() {
+ return typeof this == 'function' && getInternalState(this).source || inspectSource(this);
+});