node_modules/babel-register/node_modules/core-js/library/modules/es6.date.to-json.js


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'use strict';
var $export = require('./_export');
var toObject = require('./_to-object');
var toPrimitive = require('./_to-primitive');
var toISOString = require('./_date-to-iso-string');
var classof = require('./_classof');

$export($export.P + $export.F * require('./_fails')(function () {
  return new Date(NaN).toJSON() !== null
    || Date.prototype.toJSON.call({ toISOString: function () { return 1; } }) !== 1;
}), 'Date', {
  // eslint-disable-next-line no-unused-vars
  toJSON: function toJSON(key) {
    var O = toObject(this);
    var pv = toPrimitive(O);
    return typeof pv == 'number' && !isFinite(pv) ? null :
      (!('toISOString' in O) && classof(O) == 'Date') ? toISOString.call(O) : O.toISOString();
  }
});