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authorGravatar Piotr Russ <mail@pruss.it> 2020-11-18 23:26:45 +0100
committerGravatar Piotr Russ <mail@pruss.it> 2020-11-18 23:26:45 +0100
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-rw-r--r--node_modules/es-abstract/2017/ArraySpeciesCreate.js46
1 files changed, 0 insertions, 46 deletions
diff --git a/node_modules/es-abstract/2017/ArraySpeciesCreate.js b/node_modules/es-abstract/2017/ArraySpeciesCreate.js
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@@ -1,46 +0,0 @@
-'use strict';
-
-var GetIntrinsic = require('../GetIntrinsic');
-
-var $Array = GetIntrinsic('%Array%');
-var $species = GetIntrinsic('%Symbol.species%', true);
-var $TypeError = GetIntrinsic('%TypeError%');
-
-var Get = require('./Get');
-var IsArray = require('./IsArray');
-var IsConstructor = require('./IsConstructor');
-var IsInteger = require('./IsInteger');
-var Type = require('./Type');
-
-// https://ecma-international.org/ecma-262/6.0/#sec-arrayspeciescreate
-
-module.exports = function ArraySpeciesCreate(originalArray, length) {
- if (!IsInteger(length) || length < 0) {
- throw new $TypeError('Assertion failed: length must be an integer >= 0');
- }
- var len = length === 0 ? 0 : length;
- var C;
- var isArray = IsArray(originalArray);
- if (isArray) {
- C = Get(originalArray, 'constructor');
- // TODO: figure out how to make a cross-realm normal Array, a same-realm Array
- // if (IsConstructor(C)) {
- // if C is another realm's Array, C = undefined
- // Object.getPrototypeOf(Object.getPrototypeOf(Object.getPrototypeOf(Array))) === null ?
- // }
- if ($species && Type(C) === 'Object') {
- C = Get(C, $species);
- if (C === null) {
- C = void 0;
- }
- }
- }
- if (typeof C === 'undefined') {
- return $Array(len);
- }
- if (!IsConstructor(C)) {
- throw new $TypeError('C must be a constructor');
- }
- return new C(len); // Construct(C, len);
-};
-