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119 lines
3.8 KiB
119 lines
3.8 KiB
'use strict'; |
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var $TypeError = require('es-errors/type'); |
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var CreateDataPropertyOrThrow = require('es-abstract/2025/CreateDataPropertyOrThrow'); |
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var Get = require('es-abstract/2025/Get'); |
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var GetIteratorFlattenable = require('es-abstract/2025/GetIteratorFlattenable'); |
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var OrdinaryObjectCreate = require('es-abstract/2025/OrdinaryObjectCreate'); |
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var ThrowCompletion = require('es-abstract/2025/ThrowCompletion'); |
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var ToPropertyDescriptor = require('es-abstract/2025/ToPropertyDescriptor'); |
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var forEach = require('es-abstract/helpers/forEach'); |
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var isObject = require('es-abstract/helpers/isObject'); |
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var ownKeys = require('es-abstract/helpers/OwnPropertyKeys'); |
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var gOPD = require('gopd'); |
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var IteratorZip = require('../aos/IteratorZip'); |
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var IfAbruptCloseIterators = require('../aos/IfAbruptCloseIterators'); |
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var GetOptionsObject = require('../aos/GetOptionsObject'); |
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module.exports = function zipKeyed(iterables) { |
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if (this instanceof zipKeyed) { |
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throw new $TypeError('`Iterator.zip` is not a constructor'); |
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} |
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if (!isObject(iterables)) { |
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throw new $TypeError('`iterables` must be an Object'); // step 1 |
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} |
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var options = GetOptionsObject(arguments.length > 1 ? arguments[1] : void undefined); // step 2 |
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var mode = Get(options, 'mode'); // step 3 |
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if (typeof mode === 'undefined') { |
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mode = 'shortest'; // step 4 |
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} |
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if (mode !== 'shortest' && mode !== 'longest' && mode !== 'strict') { |
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throw new $TypeError('`mode` must be one of "shortest", "longest", or "strict"'); // step 5 |
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} |
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var paddingOption; // step 6 |
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if (mode === 'longest') { // step 7 |
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paddingOption = Get(options, 'padding'); // step 7.a |
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if (typeof paddingOption !== 'undefined' && !isObject(paddingOption)) { |
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throw new $TypeError('`padding` option must be an Object'); // step 7.b |
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} |
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} |
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var iters = []; // step 8 |
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var padding = []; // step 9 |
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var allKeys = ownKeys(iterables); // step 10 |
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var keys = []; // step 11 |
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// eslint-disable-next-line consistent-return |
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forEach(allKeys, function (key) { // step 12 |
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var desc; |
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try { |
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desc = ToPropertyDescriptor(gOPD(iterables, key)); // step 12.a |
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} catch (e) { |
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return IfAbruptCloseIterators(ThrowCompletion(e), iters); // step 12.b |
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} |
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if (typeof desc !== 'undefined' && desc['[[Enumerable]]'] === true) { // step 12.c |
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var value; |
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try { |
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value = Get(iterables, key); // step 12.c.i |
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} catch (e) { |
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return IfAbruptCloseIterators(ThrowCompletion(e), iters); // step 12.c.ii |
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} |
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if (typeof value !== 'undefined') { // step 12.c.iii |
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keys[keys.length] = key; // step 12.c.iii.1 |
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var iter; |
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try { |
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iter = GetIteratorFlattenable(value, 'REJECT-PRIMITIVES'); // step 12.c.iii.2 |
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} catch (e) { |
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return IfAbruptCloseIterators(ThrowCompletion(e), iters); // step 12.c.iii.3 |
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} |
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iters[iters.length] = iter; // step 12.c.iii.4 |
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} |
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} |
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}); |
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var iterCount = iters.length; // step 13 |
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if (mode === 'longest') { // step 14 |
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if (typeof paddingOption === 'undefined') { // step 14.a |
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for (var j = 0; j < iterCount; j += 1) { // step 14.a.i |
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padding[padding.length] = void undefined; // step 14.a.i.1 |
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} |
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} else { // step 14.b |
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// eslint-disable-next-line consistent-return |
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forEach(keys, function (key) { // step 14.b.i |
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var value; |
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try { |
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value = Get(paddingOption, key); // step 14.b.i.1 |
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} catch (e) { |
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return IfAbruptCloseIterators(ThrowCompletion(e), iters); // step 14.b.i.2 |
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} |
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padding[padding.length] = value; // step 14.b.i.3 |
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}); |
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} |
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} |
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// eslint-disable-next-line no-sequences |
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var finishResults = (0, function (results) { // step 15 |
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var obj = OrdinaryObjectCreate(null); // step 15.a |
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for (var i = 0; i < iterCount; i += 1) { // step 15.b |
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CreateDataPropertyOrThrow(obj, keys[i], results[i]); // step 15.b.i |
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} |
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return obj; // step 15.c |
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}); |
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return IteratorZip(iters, mode, padding, finishResults); // step 16 |
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};
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