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Use only one defineProperty reference.

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John-David Dalton
2016-09-27 14:36:41 -07:00
parent 26d5ba992c
commit c009349d99
1 changed files with 11 additions and 5 deletions
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16
lodash.js
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@@ -1469,7 +1469,6 @@
Symbol = context.Symbol, Symbol = context.Symbol,
Uint8Array = context.Uint8Array, Uint8Array = context.Uint8Array,
allocUnsafe = Buffer ? Buffer.allocUnsafe : undefined, allocUnsafe = Buffer ? Buffer.allocUnsafe : undefined,
defineProperty = Object.defineProperty,
getPrototype = overArg(Object.getPrototypeOf, Object), getPrototype = overArg(Object.getPrototypeOf, Object),
iteratorSymbol = Symbol ? Symbol.iterator : undefined, iteratorSymbol = Symbol ? Symbol.iterator : undefined,
objectCreate = Object.create, objectCreate = Object.create,
@@ -1477,6 +1476,14 @@
splice = arrayProto.splice, splice = arrayProto.splice,
spreadableSymbol = Symbol ? Symbol.isConcatSpreadable : undefined; spreadableSymbol = Symbol ? Symbol.isConcatSpreadable : undefined;
var defineProperty = (function() {
try {
var func = getNative(Object, 'defineProperty');
func({}, '', {});
return func;
} catch (e) {}
}());
/** Mocked built-ins. */ /** Mocked built-ins. */
var ctxClearTimeout = context.clearTimeout !== root.clearTimeout && context.clearTimeout, var ctxClearTimeout = context.clearTimeout !== root.clearTimeout && context.clearTimeout,
ctxNow = Date && Date.now !== root.Date.now && Date.now, ctxNow = Date && Date.now !== root.Date.now && Date.now,
@@ -1503,8 +1510,7 @@
Promise = getNative(context, 'Promise'), Promise = getNative(context, 'Promise'),
Set = getNative(context, 'Set'), Set = getNative(context, 'Set'),
WeakMap = getNative(context, 'WeakMap'), WeakMap = getNative(context, 'WeakMap'),
nativeCreate = getNative(Object, 'create'), nativeCreate = getNative(Object, 'create');
nativeDefineProperty = getNative(Object, 'defineProperty');
/** Used to store function metadata. */ /** Used to store function metadata. */
var metaMap = WeakMap && new WeakMap; var metaMap = WeakMap && new WeakMap;
@@ -3987,8 +3993,8 @@
* @param {Function} string The `toString` result. * @param {Function} string The `toString` result.
* @returns {Function} Returns `func`. * @returns {Function} Returns `func`.
*/ */
var baseSetToString = !nativeDefineProperty ? identity : function(func, string) { var baseSetToString = !defineProperty ? identity : function(func, string) {
return nativeDefineProperty(func, 'toString', { return defineProperty(func, 'toString', {
'configurable': true, 'configurable': true,
'enumerable': false, 'enumerable': false,
'value': constant(string), 'value': constant(string),