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19 lines
739 B
19 lines
739 B
// TODO: Remove from `core-js@4` |
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var uncurryThis = require('../internals/function-uncurry-this'); |
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var defineBuiltIn = require('../internals/define-built-in'); |
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var DatePrototype = Date.prototype; |
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var INVALID_DATE = 'Invalid Date'; |
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var TO_STRING = 'toString'; |
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var un$DateToString = uncurryThis(DatePrototype[TO_STRING]); |
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var getTime = uncurryThis(DatePrototype.getTime); |
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// `Date.prototype.toString` method |
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// https://tc39.es/ecma262/#sec-date.prototype.tostring |
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if (String(new Date(NaN)) != INVALID_DATE) { |
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defineBuiltIn(DatePrototype, TO_STRING, function toString() { |
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var value = getTime(this); |
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// eslint-disable-next-line no-self-compare -- NaN check |
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return value === value ? un$DateToString(this) : INVALID_DATE; |
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}); |
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}
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