21 lines
772 B
JavaScript
21 lines
772 B
JavaScript
'use strict';
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// 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 nativeDateToString = uncurryThis(DatePrototype[TO_STRING]);
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var thisTimeValue = 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 = thisTimeValue(this);
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// eslint-disable-next-line no-self-compare -- NaN check
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return value === value ? nativeDateToString(this) : INVALID_DATE;
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});
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}
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