CDSS-daming-web/node_modules/core-js/internals/date-to-primitive.js

'use strict';
var anObject = require('../internals/an-object');
var ordinaryToPrimitive = require('../internals/ordinary-to-primitive');

// `Date.prototype[@@toPrimitive](hint)` method implementation
// https://tc39.es/ecma262/#sec-date.prototype-@@toprimitive
module.exports = function (hint) {
  anObject(this);
  if (hint === 'string' || hint === 'default') hint = 'string';
  else if (hint !== 'number') throw TypeError('Incorrect hint');
  return ordinaryToPrimitive(this, hint);
};