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- 'use strict';
- var inspect = require('object-inspect');
- var $TypeError = require('es-errors/type');
- var Call = require('./Call');
- var Get = require('./Get');
- var GetIterator = require('./GetIterator');
- var IsCallable = require('./IsCallable');
- var IteratorClose = require('./IteratorClose');
- var IteratorStep = require('./IteratorStep');
- var IteratorValue = require('./IteratorValue');
- var ThrowCompletion = require('./ThrowCompletion');
- var Type = require('./Type');
- // https://262.ecma-international.org/10.0/#sec-add-entries-from-iterable
- module.exports = function AddEntriesFromIterable(target, iterable, adder) {
- if (!IsCallable(adder)) {
- throw new $TypeError('Assertion failed: `adder` is not callable');
- }
- if (iterable == null) {
- throw new $TypeError('Assertion failed: `iterable` is present, and not nullish');
- }
- var iteratorRecord = GetIterator(iterable);
- while (true) { // eslint-disable-line no-constant-condition
- var next = IteratorStep(iteratorRecord);
- if (!next) {
- return target;
- }
- var nextItem = IteratorValue(next);
- if (Type(nextItem) !== 'Object') {
- var error = ThrowCompletion(new $TypeError('iterator next must return an Object, got ' + inspect(nextItem)));
- return IteratorClose(iteratorRecord, error);
- }
- try {
- var k = Get(nextItem, '0');
- var v = Get(nextItem, '1');
- Call(adder, target, [k, v]);
- } catch (e) {
- return IteratorClose(iteratorRecord, ThrowCompletion(e));
- }
- }
- };
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