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13 lines
547 B
13 lines
547 B
var hasOwn = require('../internals/has-own-property'); |
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var defineBuiltIn = require('../internals/define-built-in'); |
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var dateToPrimitive = require('../internals/date-to-primitive'); |
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var wellKnownSymbol = require('../internals/well-known-symbol'); |
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var TO_PRIMITIVE = wellKnownSymbol('toPrimitive'); |
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var DatePrototype = Date.prototype; |
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// `Date.prototype[@@toPrimitive]` method |
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// https://tc39.es/ecma262/#sec-date.prototype-@@toprimitive |
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if (!hasOwn(DatePrototype, TO_PRIMITIVE)) { |
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defineBuiltIn(DatePrototype, TO_PRIMITIVE, dateToPrimitive); |
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}
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