Assignment5_new/node_modules/es-iterator-helpers/Iterator.zipKeyed/implementation.js

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2025-01-07 05:14:59 +00:00
'use strict';
var $TypeError = require('es-errors/type');
var Call = require('es-abstract/2024/Call');
var CreateDataPropertyOrThrow = require('es-abstract/2024/CreateDataPropertyOrThrow');
var Get = require('es-abstract/2024/Get');
var GetIteratorFlattenable = require('../aos/GetIteratorFlattenable');
var GetOptionsObject = require('../aos/GetOptionsObject');
var IfAbruptCloseIterators = require('../aos/IfAbruptCloseIterators');
var IsAccessorDescriptor = require('es-abstract/2024/IsAccessorDescriptor');
var IsDataDescriptor = require('es-abstract/2024/IsDataDescriptor');
var IteratorZip = require('../aos/IteratorZip');
var OrdinaryObjectCreate = require('es-abstract/2024/OrdinaryObjectCreate');
var ThrowCompletion = require('es-abstract/2024/ThrowCompletion');
var ToPropertyDescriptor = require('es-abstract/2024/ToPropertyDescriptor');
var Type = require('es-abstract/2024/Type');
var forEach = require('es-abstract/helpers/forEach');
var ownKeys = require('es-abstract/helpers/OwnPropertyKeys');
var gOPD = require('gopd');
module.exports = function zipKeyed(iterables) {
if (this instanceof zipKeyed) {
throw new $TypeError('`Iterator.zip` is not a constructor');
}
if (Type(iterables) !== 'Object') {
throw new $TypeError('`iterables` must be an Object'); // step 1
}
var options = GetOptionsObject(arguments.length > 1 ? arguments[1] : undefined); // step 2
var mode = Get(options, 'mode'); // step 3
if (typeof mode === 'undefined') {
mode = 'shortest'; // step 4
}
if (mode !== 'shortest' && mode !== 'longest' && mode !== 'strict') {
throw new $TypeError('`mode` must be one of "shortest", "longest", or "strict"'); // step 5
}
var paddingOption; // step 6
if (mode === 'longest') { // step 7
paddingOption = Get(options, 'padding'); // step 7.a
if (typeof paddingOption !== 'undefined' && Type(paddingOption) !== 'Object') {
throw new $TypeError('`padding` option must be an Object'); // step 7.b
}
}
var iters = []; // step 8
var padding = []; // step 9
var allKeys = ownKeys(iterables); // step 10
var keys = []; // step 11
forEach(allKeys, function (key) { // step 12
var desc;
try {
desc = ToPropertyDescriptor(gOPD(iterables, key)); // step 12.a
} catch (e) {
IfAbruptCloseIterators(ThrowCompletion(e), iters); // step 12.b
}
if (typeof desc !== 'undefined' && desc['[[Enumerable]]'] === true) { // step 12.c
var value; // step 12.c.i
if (IsDataDescriptor(desc)) { // step 12.c.ii
value = desc['[[Value]]']; // step 12.c.ii.1
} else {
if (!IsAccessorDescriptor(desc)) {
throw new $TypeError('Assertion failed: IsAccessorDescriptor(desc) is not true'); // step 12.c.ii.1
}
var getter = desc['[[Get]]']; // step 12.c.iii.2
if (typeof getter !== 'undefined') { // step 12.c.iii.3
var getterResult;
try {
getterResult = Call(getter, iterables); // step 12.c.iii.3.a
} catch (e) {
// step 12.c.iii.3.b
// 2. IfAbruptCloseIterators(e, iters).
}
value = getterResult; // step 12.c.iii.3.c
}
}
if (typeof value !== 'undefined') { // step 12.c.iv
keys[keys.length] = key; // step 12.c.iv.1
var iter;
try {
iter = GetIteratorFlattenable(value, 'REJECT-STRINGS'); // step 12.c.iv.2
} catch (e) {
IfAbruptCloseIterators(ThrowCompletion(e), iters); // step 12.c.iv.3
}
iters[iters.length] = iter; // step 12.c.iv.4
}
}
});
var iterCount = iters.length; // step 13
if (mode === 'longest') { // step 14
if (typeof paddingOption === 'undefined') { // step 14.a
for (var j = 0; j < iterCount; j += 1) { // step 14.a.i
padding[padding.length] = void undefined; // step 14.a.i.1
}
} else { // step 14.b
forEach(keys, function (key) { // step 14.b.i
var value;
try {
value = Get(paddingOption, key); // step 14.b.i.1
} catch (e) {
IfAbruptCloseIterators(ThrowCompletion(e), iters); // step 14.b.i.2
}
padding[padding.length] = value; // step 14.b.i.3
});
}
}
// eslint-disable-next-line no-sequences
var finishResults = (0, function (results) { // step 15
var obj = OrdinaryObjectCreate(null); // step 15.a
for (var i = 0; i < iterCount; i += 1) { // step 15.b
CreateDataPropertyOrThrow(obj, keys[i], results[i]); // step 15.b.i
}
return obj; // step 15.c
});
return IteratorZip(iters, mode, padding, finishResults); // step 16
};