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- 'use strict';
- var $TypeError = require('es-errors/type');
- var CompletionRecord = require('es-abstract/2024/CompletionRecord');
- var IteratorClose = require('es-abstract/2024/IteratorClose');
- var ThrowCompletion = require('es-abstract/2024/ThrowCompletion');
- var IsArray = require('es-abstract/helpers/IsArray');
- var every = require('es-abstract/helpers/every');
- var isIteratorRecord = require('es-abstract/helpers/records/iterator-record');
- // https://tc39.es/proposal-joint-iteration/#sec-closeall
- module.exports = function IteratorCloseAll(iters, completion) {
- if (!IsArray(iters) || !every(iters, isIteratorRecord)) {
- throw new $TypeError('Assertion failed: `iters` must be a List of IteratorRecords');
- }
- if (!(completion instanceof CompletionRecord)) {
- throw new $TypeError('Assertion failed: `completion` must be a Completion Record');
- }
- for (var i = iters.length - 1; i >= 0; i -= 1) { // step 1
- try {
- IteratorClose(iters[i], completion); // step 1.a
- } catch (e) {
- // eslint-disable-next-line no-param-reassign
- completion = ThrowCompletion(e); // step 1.a
- }
- }
- return completion['?'](); // step 2
- };
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