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Replace Symbol checks with Symbol methods as checks instead. [closes #2039]

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John-David Dalton
2016-02-23 08:30:48 -08:00
parent 54294f15ef
commit f644c82da4
1 changed files with 5 additions and 5 deletions
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10
lodash.js
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@@ -1383,8 +1383,8 @@
/** Used to convert symbols to primitives and strings. */
var symbolProto = Symbol ? Symbol.prototype : undefined,
symbolValueOf = Symbol ? symbolProto.valueOf : undefined,
symbolToString = Symbol ? symbolProto.toString : undefined;
symbolValueOf = symbolProto ? symbolProto.valueOf : undefined,
symbolToString = symbolProto ? symbolProto.toString : undefined;
/*------------------------------------------------------------------------*/
@@ -3862,7 +3862,7 @@
* @returns {Object} Returns the cloned symbol object.
*/
function cloneSymbol(symbol) {
return Symbol ? Object(symbolValueOf.call(symbol)) : {};
return symbolValueOf ? Object(symbolValueOf.call(symbol)) : {};
}
/**
@@ -4798,7 +4798,7 @@
return equalArrays(convert(object), convert(other), equalFunc, customizer, bitmask | UNORDERED_COMPARE_FLAG, stack);
case symbolTag:
return !!Symbol && (symbolValueOf.call(object) == symbolValueOf.call(other));
return !!symbolValueOf && (symbolValueOf.call(object) == symbolValueOf.call(other));
}
return false;
}
@@ -10804,7 +10804,7 @@
return '';
}
if (isSymbol(value)) {
return Symbol ? symbolToString.call(value) : '';
return symbolToString ? symbolToString.call(value) : '';
}
var result = (value + '');
return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;