biobulkbende.org/node_modules/es-abstract/2017/OrdinaryCreateFromConstructor.js
2020-09-16 14:23:28 +02:00

21 lines
810 B
JavaScript
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'use strict';
var GetIntrinsic = require('../GetIntrinsic');
var $TypeError = GetIntrinsic('%TypeError%');
var GetPrototypeFromConstructor = require('./GetPrototypeFromConstructor');
var IsArray = require('./IsArray');
var ObjectCreate = require('./ObjectCreate');
// https://ecma-international.org/ecma-262/6.0/#sec-ordinarycreatefromconstructor
module.exports = function OrdinaryCreateFromConstructor(constructor, intrinsicDefaultProto) {
GetIntrinsic(intrinsicDefaultProto); // throws if not a valid intrinsic
var proto = GetPrototypeFromConstructor(constructor, intrinsicDefaultProto);
var slots = arguments.length < 3 ? [] : arguments[2];
if (!IsArray(slots)) {
throw new $TypeError('Assertion failed: if provided, `internalSlotsList` must be a List');
}
return ObjectCreate(proto, slots);
};