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Add checks to iteratorSymbol assignment.

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John-David Dalton
2015-08-30 10:09:28 -07:00
parent 4fbb31b4dc
commit a0cd024b39
1 changed files with 2 additions and 2 deletions
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lodash.js
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@@ -1329,7 +1329,7 @@
clearTimeout = context.clearTimeout, clearTimeout = context.clearTimeout,
enumerate = Reflect ? Reflect.enumerate : undefined, enumerate = Reflect ? Reflect.enumerate : undefined,
getPrototypeOf = Object.getPrototypeOf, getPrototypeOf = Object.getPrototypeOf,
iteratorSymbol = Symbol.iterator, iteratorSymbol = typeof (iteratorSymbol = Symbol && Symbol.iterator) == 'symbol' ? iteratorSymbol : undefined,
parseFloat = context.parseFloat, parseFloat = context.parseFloat,
pow = Math.pow, pow = Math.pow,
propertyIsEnumerable = objectProto.propertyIsEnumerable, propertyIsEnumerable = objectProto.propertyIsEnumerable,
@@ -8677,7 +8677,7 @@
if (isArrayLike(value)) { if (isArrayLike(value)) {
return value.length ? copyArray(value) : []; return value.length ? copyArray(value) : [];
} }
if (value[iteratorSymbol]) { if (iteratorSymbol && value[iteratorSymbol]) {
return iteratorToArray(value[iteratorSymbol]()); return iteratorToArray(value[iteratorSymbol]());
} }
var tag = objToString.call(value), var tag = objToString.call(value),