20 lines
729 B
JavaScript
20 lines
729 B
JavaScript
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'use strict';
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var $export = require('./_export');
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var toObject = require('./_to-object');
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var toPrimitive = require('./_to-primitive');
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var toISOString = require('./_date-to-iso-string');
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var classof = require('./_classof');
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$export($export.P + $export.F * require('./_fails')(function () {
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return new Date(NaN).toJSON() !== null
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|| Date.prototype.toJSON.call({ toISOString: function () { return 1; } }) !== 1;
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}), 'Date', {
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// eslint-disable-next-line no-unused-vars
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toJSON: function toJSON(key) {
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var O = toObject(this);
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var pv = toPrimitive(O);
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return typeof pv == 'number' && !isFinite(pv) ? null :
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(!('toISOString' in O) && classof(O) == 'Date') ? toISOString.call(O) : O.toISOString();
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}
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});
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