Name Description Size Coverage
basic-longest.js --- esid: sec-iterator.zipkeyed description: > Basic Iterator.zipKeyed test with "longest" mode. includes: [compareArray.js, propertyHelper.js, iteratorZipUtils.js] features: [joint-iteration] --- 2953 -
basic-shortest.js --- esid: sec-iterator.zipkeyed description: > Basic Iterator.zipkeyed test with "shortest" mode. includes: [compareArray.js, propertyHelper.js, iteratorZipUtils.js] features: [joint-iteration] --- 946 -
basic-strict.js --- esid: sec-iterator.zipkeyed description: > Basic Iterator.zipkeyed test with "strict" mode. includes: [compareArray.js, propertyHelper.js, iteratorZipUtils.js] features: [joint-iteration] --- 1002 -
browser.js 0 -
is-function.js --- esid: sec-iterator.zipkeyed description: > Iterator.zipKeyed is a built-in function features: [joint-iteration] --- 401 -
iterables-containing-string-objects.js --- esid: sec-iterator.zipKeyed description: > Accepts String objects as inputs. includes: [compareArray.js] features: [joint-iteration] --- 698 -
iterables-iteration-after-reading-options.js --- esid: sec-iterator.zipkeyed description: > Perform [[OwnPropertyKeys]] on the "iterables" argument after reading all properties. info: | Iterator.zipKeyed ( iterables [ , options ] ) ... 3. Let mode be ? Get(options, "mode"). ... 7. If mode is "longest", then a. Set paddingOption to ? Get(options, "padding"). ... 10. Let allKeys be ? iterables.[[OwnPropertyKeys]](). ... includes: [proxyTrapsHelper.js, compareArray.js] features: [joint-iteration] --- 1442 -
iterables-iteration-deleted.js --- esid: sec-iterator.zipkeyed description: > Deleted properties are skipped in "iterables" iteration. info: | Iterator.zipKeyed ( iterables [ , options ] ) ... 10. Let allKeys be ? iterables.[[OwnPropertyKeys]](). 11. Let keys be a new empty List. 12. For each element key of allKeys, do a. Let desc be Completion(iterables.[[GetOwnProperty]](key)). ... c. If desc is not undefined and desc.[[Enumerable]] is true, then ... includes: [compareArray.js] features: [joint-iteration] --- 1095 -
iterables-iteration-enumerable.js --- esid: sec-iterator.zipkeyed description: > Non-enumerable properties are skipped in "iterables" iteration. info: | Iterator.zipKeyed ( iterables [ , options ] ) ... 10. Let allKeys be ? iterables.[[OwnPropertyKeys]](). 11. Let keys be a new empty List. 12. For each element key of allKeys, do a. Let desc be Completion(iterables.[[GetOwnProperty]](key)). ... c. If desc is not undefined and desc.[[Enumerable]] is true, then ... includes: [compareArray.js] features: [joint-iteration] --- 1900 -
iterables-iteration-get-abrupt-completion.js --- esid: sec-iterator.zipkeyed description: > Handle abrupt completions during iterables iteration. info: | Iterator.zipKeyed ( iterables [ , options ] ) ... 12. For each element key of allKeys, do ... 3. If desc is not undefined and desc.[[Enumerable]] is true, then i. Let value be Completion(Get(iterables, key)). ii. IfAbruptCloseIterators(value, iters). ... IfAbruptCloseIterators ( value, iteratorRecords ) 1. Assert: value is a Completion Record. 2. If value is an abrupt completion, return ? IteratorCloseAll(iteratorRecords, value). 3. Else, set value to value.[[Value]]. IteratorCloseAll ( iters, completion ) 1. For each element iter of iters, in reverse List order, do a. Set completion to Completion(IteratorClose(iter, completion)). 2. Return ? completion. IteratorClose ( iteratorRecord, completion ) 1. Assert: iteratorRecord.[[Iterator]] is an Object. 2. Let iterator be iteratorRecord.[[Iterator]]. 3. Let innerResult be Completion(GetMethod(iterator, "return")). 4. If innerResult is a normal completion, then a. Let return be innerResult.[[Value]]. b. If return is undefined, return ? completion. c. Set innerResult to Completion(Call(return, iterator)). 5. If completion is a throw completion, return ? completion. ... includes: [compareArray.js] features: [joint-iteration] --- 3568 -
iterables-iteration-get-iterator-flattenable-abrupt-completion.js --- esid: sec-iterator.zipkeyed description: > Handle abrupt completions during iterables iteration. info: | Iterator.zipKeyed ( iterables [ , options ] ) ... 12. For each element key of allKeys, do ... c. If desc is not undefined and desc.[[Enumerable]] is true, then ... iii. If value is not undefined, then ... 2. Let iter be Completion(GetIteratorFlattenable(value, reject-strings)). 3. IfAbruptCloseIterators(iter, iters). ... GetIteratorFlattenable ( obj, primitiveHandling ) 1. If obj is not an Object, then a. If primitiveHandling is reject-primitives, throw a TypeError exception. b. Assert: primitiveHandling is iterate-string-primitives. c. If obj is not a String, throw a TypeError exception. 2. Let method be ? GetMethod(obj, %Symbol.iterator%). 3. If method is undefined, then a. Let iterator be obj. 4. Else, a. Let iterator be ? Call(method, obj). 5. If iterator is not an Object, throw a TypeError exception. 6. Return ? GetIteratorDirect(iterator). IteratorCloseAll ( iters, completion ) 1. For each element iter of iters, in reverse List order, do a. Set completion to Completion(IteratorClose(iter, completion)). 2. Return ? completion. IteratorClose ( iteratorRecord, completion ) 1. Assert: iteratorRecord.[[Iterator]] is an Object. 2. Let iterator be iteratorRecord.[[Iterator]]. 3. Let innerResult be Completion(GetMethod(iterator, "return")). 4. If innerResult is a normal completion, then a. Let return be innerResult.[[Value]]. b. If return is undefined, return ? completion. c. Set innerResult to Completion(Call(return, iterator)). 5. If completion is a throw completion, return ? completion. ... includes: [compareArray.js] features: [joint-iteration] --- 4269 -
iterables-iteration-get-own-property-abrupt-completion.js --- esid: sec-iterator.zipkeyed description: > Handle abrupt completions during iterables iteration. info: | Iterator.zipKeyed ( iterables [ , options ] ) ... 12. For each element key of allKeys, do a. Let desc be Completion(iterables.[[GetOwnProperty]](key)). b. IfAbruptCloseIterators(desc, iters). ... IfAbruptCloseIterators ( value, iteratorRecords ) 1. Assert: value is a Completion Record. 2. If value is an abrupt completion, return ? IteratorCloseAll(iteratorRecords, value). 3. Else, set value to value.[[Value]]. IteratorCloseAll ( iters, completion ) 1. For each element iter of iters, in reverse List order, do a. Set completion to Completion(IteratorClose(iter, completion)). 2. Return ? completion. IteratorClose ( iteratorRecord, completion ) 1. Assert: iteratorRecord.[[Iterator]] is an Object. 2. Let iterator be iteratorRecord.[[Iterator]]. 3. Let innerResult be Completion(GetMethod(iterator, "return")). 4. If innerResult is a normal completion, then a. Let return be innerResult.[[Value]]. b. If return is undefined, return ? completion. c. Set innerResult to Completion(Call(return, iterator)). 5. If completion is a throw completion, return ? completion. ... includes: [compareArray.js] features: [joint-iteration] --- 2954 -
iterables-iteration-inherited.js --- esid: sec-iterator.zipkeyed description: > Inherited properties are skipped in "iterables" iteration. includes: [compareArray.js] features: [joint-iteration] --- 708 -
iterables-iteration-symbol-key.js --- esid: sec-iterator.zipkeyed description: > Symbol properties are used during "iterables" iteration. includes: [compareArray.js] features: [joint-iteration] --- 681 -
iterables-iteration-undefined.js --- esid: sec-iterator.zipkeyed description: > undefined-valued properties are skipped in "iterables" iteration. includes: [compareArray.js] features: [joint-iteration] --- 605 -
iterables-iteration.js --- esid: sec-iterator.zipkeyed description: > Perform iteration of the "iterables" argument. info: | Iterator.zipKeyed ( iterables [ , options ] ) ... 10. Let allKeys be ? iterables.[[OwnPropertyKeys]](). 11. Let keys be a new empty List. 12. For each element key of allKeys, do a. Let desc be Completion(iterables.[[GetOwnProperty]](key)). ... c. If desc is not undefined and desc.[[Enumerable]] is true, then i. Let value be Completion(Get(iterables, key)). ... iii. If value is not undefined, then 1. Append key to keys. 2. Let iter be Completion(GetIteratorFlattenable(value, reject-strings)). ... 4. Append iter to iters. ... includes: [proxyTrapsHelper.js, compareArray.js] features: [joint-iteration] --- 3237 -
iterables-primitive.js --- esid: sec-iterator.zipkeyed description: > Throws a TypeError when the "iterables" argument is not an object. info: | Iterator.zipKeyed ( iterables [ , options ] ) 1. If iterables is not an Object, throw a TypeError exception. ... features: [joint-iteration] --- 1140 -
iterator-zip-iteration-iterator-close-abrupt-completion.js --- esid: sec-iterator.zipkeyed description: > Handle abrupt completion from IteratorStep in IteratorZip. info: | Iterator.zipKeyed ( iterables [ , options ] ) ... 16. Return IteratorZip(iters, mode, padding, finishResults). IteratorZip ( iters, mode, padding, finishResults ) 3. Let closure be a new Abstract Closure with no parameters that captures iters, iterCount, openIters, mode, padding, and finishResults, and performs the following steps when called: ... b. Repeat, ... v. Let completion be Completion(Yield(results)). vi. If completion is an abrupt completion, then 1. Return ? IteratorCloseAll(openIters, completion). ... IteratorCloseAll ( iters, completion ) 1. For each element iter of iters, in reverse List order, do a. Set completion to Completion(IteratorClose(iter, completion)). 2. Return ? completion. IteratorClose ( iteratorRecord, completion ) 1. Assert: iteratorRecord.[[Iterator]] is an Object. 2. Let iterator be iteratorRecord.[[Iterator]]. 3. Let innerResult be Completion(GetMethod(iterator, "return")). 4. If innerResult is a normal completion, then a. Let return be innerResult.[[Value]]. b. If return is undefined, return ? completion. c. Set innerResult to Completion(Call(return, iterator)). 5. If completion is a throw completion, return ? completion. ... includes: [compareArray.js] features: [joint-iteration] --- 3219 -
iterator-zip-iteration-iterator-step-value-abrupt-completion.js --- esid: sec-iterator.zipkeyed description: > Handle abrupt completion from IteratorStepValue in IteratorZip. info: | Iterator.zipKeyed ( iterables [ , options ] ) ... 16. Return IteratorZip(iters, mode, padding, finishResults). IteratorZip ( iters, mode, padding, finishResults ) 3. Let closure be a new Abstract Closure with no parameters that captures iters, iterCount, openIters, mode, padding, and finishResults, and performs the following steps when called: ... b. Repeat, ... iii. For each integer i such that 0 ≤ i < iterCount, in ascending order, do ... 3. Else, a. Let result be Completion(IteratorStepValue(iter)). b. If result is an abrupt completion, then i. Remove iter from openIters. ii. Return ? IteratorCloseAll(openIters, result). ... d. If result is done, then i. Remove iter from openIters. ... IteratorCloseAll ( iters, completion ) 1. For each element iter of iters, in reverse List order, do a. Set completion to Completion(IteratorClose(iter, completion)). 2. Return ? completion. IteratorClose ( iteratorRecord, completion ) 1. Assert: iteratorRecord.[[Iterator]] is an Object. 2. Let iterator be iteratorRecord.[[Iterator]]. 3. Let innerResult be Completion(GetMethod(iterator, "return")). 4. If innerResult is a normal completion, then a. Let return be innerResult.[[Value]]. b. If return is undefined, return ? completion. c. Set innerResult to Completion(Call(return, iterator)). 5. If completion is a throw completion, return ? completion. ... includes: [compareArray.js] features: [joint-iteration] --- 3951 -
iterator-zip-iteration-longest-iterator-close-abrupt-completion.js --- esid: sec-iterator.zipkeyed description: > Handle abrupt completion from IteratorStep in IteratorZip. info: | Iterator.zipKeyed ( iterables [ , options ] ) ... 16. Return IteratorZip(iters, mode, padding, finishResults). IteratorZip ( iters, mode, padding, finishResults ) 3. Let closure be a new Abstract Closure with no parameters that captures iters, iterCount, openIters, mode, padding, and finishResults, and performs the following steps when called: ... b. Repeat, ... v. Let completion be Completion(Yield(results)). vi. If completion is an abrupt completion, then 1. Return ? IteratorCloseAll(openIters, completion). ... IteratorCloseAll ( iters, completion ) 1. For each element iter of iters, in reverse List order, do a. Set completion to Completion(IteratorClose(iter, completion)). 2. Return ? completion. IteratorClose ( iteratorRecord, completion ) 1. Assert: iteratorRecord.[[Iterator]] is an Object. 2. Let iterator be iteratorRecord.[[Iterator]]. 3. Let innerResult be Completion(GetMethod(iterator, "return")). 4. If innerResult is a normal completion, then a. Let return be innerResult.[[Value]]. b. If return is undefined, return ? completion. c. Set innerResult to Completion(Call(return, iterator)). 5. If completion is a throw completion, return ? completion. ... includes: [compareArray.js] features: [joint-iteration] --- 3426 -
iterator-zip-iteration-shortest-iterator-close-abrupt-completion.js --- esid: sec-iterator.zipkeyed description: > Handle abrupt completion from IteratorCloseAll in IteratorZip. info: | Iterator.zipKeyed ( iterables [ , options ] ) ... 16. Return IteratorZip(iters, mode, padding, finishResults). IteratorZip ( iters, mode, padding, finishResults ) 3. Let closure be a new Abstract Closure with no parameters that captures iters, iterCount, openIters, mode, padding, and finishResults, and performs the following steps when called: ... b. Repeat, ... iii. For each integer i such that 0 ≤ i < iterCount, in ascending order, do ... 3. Else, ... d. If result is done, then i. Remove iter from openIters. ii. If mode is "shortest", then i. Return ? IteratorCloseAll(openIters, ReturnCompletion(undefined)). ... IteratorCloseAll ( iters, completion ) 1. For each element iter of iters, in reverse List order, do a. Set completion to Completion(IteratorClose(iter, completion)). 2. Return ? completion. IteratorClose ( iteratorRecord, completion ) 1. Assert: iteratorRecord.[[Iterator]] is an Object. 2. Let iterator be iteratorRecord.[[Iterator]]. 3. Let innerResult be Completion(GetMethod(iterator, "return")). 4. If innerResult is a normal completion, then a. Let return be innerResult.[[Value]]. b. If return is undefined, return ? completion. c. Set innerResult to Completion(Call(return, iterator)). 5. If completion is a throw completion, return ? completion. ... includes: [compareArray.js] features: [joint-iteration] --- 3528 -
iterator-zip-iteration-strict-iterator-close-i-is-not-zero-abrupt-completion.js --- esid: sec-iterator.zipkeyed description: > Handle abrupt completion from IteratorCloseAll in IteratorZip. info: | Iterator.zipKeyed ( iterables [ , options ] ) ... 16. Return IteratorZip(iters, mode, padding, finishResults). IteratorZip ( iters, mode, padding, finishResults ) 3. Let closure be a new Abstract Closure with no parameters that captures iters, iterCount, openIters, mode, padding, and finishResults, and performs the following steps when called: ... b. Repeat, ... iii. For each integer i such that 0 ≤ i < iterCount, in ascending order, do ... 3. Else, ... d. If result is done, then i. Remove iter from openIters. ... iii. Else if mode is "strict", then i. If i ≠ 0, then i. Return ? IteratorCloseAll(openIters, ThrowCompletion(a newly created TypeError object)). ... IteratorCloseAll ( iters, completion ) 1. For each element iter of iters, in reverse List order, do a. Set completion to Completion(IteratorClose(iter, completion)). 2. Return ? completion. IteratorClose ( iteratorRecord, completion ) 1. Assert: iteratorRecord.[[Iterator]] is an Object. 2. Let iterator be iteratorRecord.[[Iterator]]. 3. Let innerResult be Completion(GetMethod(iterator, "return")). 4. If innerResult is a normal completion, then a. Let return be innerResult.[[Value]]. b. If return is undefined, return ? completion. c. Set innerResult to Completion(Call(return, iterator)). 5. If completion is a throw completion, return ? completion. ... includes: [compareArray.js] features: [joint-iteration] --- 3170 -
iterator-zip-iteration-strict-iterator-close-i-is-zero-abrupt-completion.js --- esid: sec-iterator.zipkeyed description: > Handle abrupt completion from IteratorCloseAll in IteratorZip. info: | Iterator.zipKeyed ( iterables [ , options ] ) ... 16. Return IteratorZip(iters, mode, padding, finishResults). IteratorZip ( iters, mode, padding, finishResults ) 3. Let closure be a new Abstract Closure with no parameters that captures iters, iterCount, openIters, mode, padding, and finishResults, and performs the following steps when called: ... b. Repeat, ... iii. For each integer i such that 0 ≤ i < iterCount, in ascending order, do ... 3. Else, ... d. If result is done, then i. Remove iter from openIters. ... iii. Else if mode is "strict", then ... ii. For each integer k such that 1 ≤ k < iterCount, in ascending order, do ... iv. Else, i. Return ? IteratorCloseAll(openIters, ThrowCompletion(a newly created TypeError object)). ... IteratorCloseAll ( iters, completion ) 1. For each element iter of iters, in reverse List order, do a. Set completion to Completion(IteratorClose(iter, completion)). 2. Return ? completion. IteratorClose ( iteratorRecord, completion ) 1. Assert: iteratorRecord.[[Iterator]] is an Object. 2. Let iterator be iteratorRecord.[[Iterator]]. 3. Let innerResult be Completion(GetMethod(iterator, "return")). 4. If innerResult is a normal completion, then a. Let return be innerResult.[[Value]]. b. If return is undefined, return ? completion. c. Set innerResult to Completion(Call(return, iterator)). 5. If completion is a throw completion, return ? completion. ... includes: [compareArray.js] features: [joint-iteration] --- 3584 -
iterator-zip-iteration-strict-iterator-step-abrupt-completion.js --- esid: sec-iterator.zipkeyed description: > Handle abrupt completion from IteratorStep in IteratorZip. info: | Iterator.zipKeyed ( iterables [ , options ] ) ... 16. Return IteratorZip(iters, mode, padding, finishResults). IteratorZip ( iters, mode, padding, finishResults ) 3. Let closure be a new Abstract Closure with no parameters that captures iters, iterCount, openIters, mode, padding, and finishResults, and performs the following steps when called: ... b. Repeat, ... iii. For each integer i such that 0 ≤ i < iterCount, in ascending order, do ... 3. Else, ... d. If result is done, then i. Remove iter from openIters. ... iii. Else if mode is "strict", then ... ii. For each integer k such that 1 ≤ k < iterCount, in ascending order, do ... ii. Let open be Completion(IteratorStep(iters[k])). iii. If open is an abrupt completion, then i. Remove iters[k] from openIters. ii. Return ? IteratorCloseAll(openIters, open). ... IteratorCloseAll ( iters, completion ) 1. For each element iter of iters, in reverse List order, do a. Set completion to Completion(IteratorClose(iter, completion)). 2. Return ? completion. IteratorClose ( iteratorRecord, completion ) 1. Assert: iteratorRecord.[[Iterator]] is an Object. 2. Let iterator be iteratorRecord.[[Iterator]]. 3. Let innerResult be Completion(GetMethod(iterator, "return")). 4. If innerResult is a normal completion, then a. Let return be innerResult.[[Value]]. b. If return is undefined, return ? completion. c. Set innerResult to Completion(Call(return, iterator)). 5. If completion is a throw completion, return ? completion. ... includes: [compareArray.js] features: [joint-iteration] --- 3699 -
iterator-zip-iteration.js --- esid: sec-iterator.zipkeyed description: > Perform iteration in IteratorZip. info: | Iterator.zipKeyed ( iterables [ , options ] ) ... 16. Return IteratorZip(iters, mode, padding, finishResults). IteratorZip ( iters, mode, padding, finishResults ) 3. Let closure be a new Abstract Closure with no parameters that captures iters, iterCount, openIters, mode, padding, and finishResults, and performs the following steps when called: ... b. Repeat, ... iii. For each integer i such that 0 ≤ i < iterCount, in ascending order, do ... 3. Else, a. Let result be Completion(IteratorStepValue(iter)). ... includes: [compareArray.js] features: [joint-iteration] --- 3808 -
length.js --- esid: sec-iterator.zipkeyed description: > Iterator.zipKeyed has a "length" property whose value is 1. info: | ECMAScript Standard Built-in Objects Unless otherwise specified, the length property of a built-in Function object has the attributes { [[Writable]]: false, [[Enumerable]]: false, [[Configurable]]: true }. features: [joint-iteration] includes: [propertyHelper.js] --- 676 -
name.js --- esid: sec-iterator.zipkeyed description: > The "name" property of Iterator.zipKeyed info: | 17 ECMAScript Standard Built-in Objects Every built-in Function object, including constructors, that is not identified as an anonymous function has a name property whose value is a String. Unless otherwise specified, this value is the name that is given to the function in this specification. ... Unless otherwise specified, the name property of a built-in Function object, if it exists, has the attributes { [[Writable]]: false, [[Enumerable]]: false, [[Configurable]]: true }. features: [joint-iteration] includes: [propertyHelper.js] --- 949 -
non-constructible.js --- esid: sec-iterator.zipkeyed description: > Iterator.zipKeyed is not constructible. Built-in function objects that are not identified as constructors do not implement the [[Construct]] internal method unless otherwise specified in the description of a particular function. features: [joint-iteration] --- 541 -
options-mode.js --- esid: sec-iterator.zipkeyed description: > The "mode" option must be undefined or a valid string mode. info: | Iterator.zipKeyed ( iterables [ , options ] ) ... 3. Let mode be ? Get(options, "mode"). 4. If mode is undefined, set mode to "shortest". 5. If mode is not one of "shortest", "longest", or "strict", throw a TypeError exception. ... features: [joint-iteration] --- 1878 -
options-padding.js --- esid: sec-iterator.zipkeyed description: > The "padding" option must be undefined or an object. info: | Iterator.zipKeyed ( iterables [ , options ] ) ... 6. Let paddingOption be undefined. 7. If mode is "longest", then a. Set paddingOption to ? Get(options, "padding"). b. If paddingOption is not undefined and paddingOption is not an Object, throw a TypeError exception. ... features: [joint-iteration] --- 1459 -
options.js --- esid: sec-iterator.zipkeyed description: > The "options" argument can either be undefined or an object. info: | Iterator.zipKeyed ( iterables [ , options ] ) ... 2. Set options to ? GetOptionsObject(options). ... GetOptionsObject ( options ) 1. If options is undefined, then a. Return OrdinaryObjectCreate(null). 2. If options is an Object, then a. Return options. 3. Throw a TypeError exception. features: [joint-iteration] --- 1105 -
padding-iteration-get-abrupt-completion.js --- esid: sec-iterator.zipkeyed description: > Abrupt completion for Get in "padding" option iteration. info: | Iterator.zipKeyed ( iterables [ , options ] ) ... 14. If mode is "longest", then ... b. Else, i. For each element key of keys, do 1. Let value be Completion(Get(paddingOption, key)). 2. IfAbruptCloseIterators(value, iters). ... IfAbruptCloseIterators ( value, iteratorRecords ) 1. Assert: value is a Completion Record. 2. If value is an abrupt completion, return ? IteratorCloseAll(iteratorRecords, value). 3. Else, set value to value.[[Value]]. IteratorCloseAll ( iters, completion ) 1. For each element iter of iters, in reverse List order, do a. Set completion to Completion(IteratorClose(iter, completion)). 2. Return ? completion. IteratorClose ( iteratorRecord, completion ) 1. Assert: iteratorRecord.[[Iterator]] is an Object. 2. Let iterator be iteratorRecord.[[Iterator]]. 3. Let innerResult be Completion(GetMethod(iterator, "return")). 4. If innerResult is a normal completion, then a. Let return be innerResult.[[Value]]. b. If return is undefined, return ? completion. c. Set innerResult to Completion(Call(return, iterator)). 5. If completion is a throw completion, return ? completion. ... includes: [compareArray.js] features: [joint-iteration] --- 3359 -
padding-iteration.js --- esid: sec-iterator.zipkeyed description: > Perform keys iteration on the "padding" option. info: | Iterator.zipKeyed ( iterables [ , options ] ) ... 14. If mode is "longest", then ... b. Else, i. For each element key of keys, do 1. Let value be Completion(Get(paddingOption, key)). ... includes: [proxyTrapsHelper.js, compareArray.js] features: [joint-iteration] --- 1523 -
prop-desc.js --- esid: sec-iterator.zipkeyed description: > Property descriptor of Iterator.zipKeyed info: | 17 ECMAScript Standard Built-in Objects Every other data property described in clauses 18 through 26 and in Annex B.2 has the attributes { [[Writable]]: true, [[Enumerable]]: false, [[Configurable]]: true } unless otherwise specified. features: [joint-iteration] includes: [propertyHelper.js] --- 694 -
proto.js --- esid: sec-iterator.zipkeyed description: > The value of the [[Prototype]] internal slot of Iterator.zipKeyed is the intrinsic object %FunctionPrototype%. features: [joint-iteration] --- 528 -
result-is-iterator.js --- esid: sec-iterator.zipkeyed description: > The value of the [[Prototype]] internal slot of the return value of Iterator.zipKeyed is the intrinsic object %IteratorHelperPrototype%. includes: [wellKnownIntrinsicObjects.js] features: [joint-iteration] --- 696 -
results-object-from-array.js --- esid: sec-iterator.zipkeyed description: > Calling Iterator.zipKeyed with an array object. info: | Iterator.zipKeyed ( iterables [ , options ] ) ... 15. Let finishResults be a new Abstract Closure with parameters (results) that captures keys and iterCount and performs the following steps when called: a. Let obj be OrdinaryObjectCreate(null). b. For each integer i such that 0 ≤ i < iterCount, in ascending order, do i. Perform ! CreateDataPropertyOrThrow(obj, keys[i], results[i]). c. Return obj. ... features: [joint-iteration] --- 1389 -
results-object-has-default-attributes.js --- esid: sec-iterator.zipkeyed description: > Returned object has the correct prototype and default property attributes. info: | Iterator.zipKeyed ( iterables [ , options ] ) ... 15. Let finishResults be a new Abstract Closure with parameters (results) that captures keys and iterCount and performs the following steps when called: a. Let obj be OrdinaryObjectCreate(null). b. For each integer i such that 0 ≤ i < iterCount, in ascending order, do i. Perform ! CreateDataPropertyOrThrow(obj, keys[i], results[i]). c. Return obj. ... includes: [compareArray.js, propertyHelper.js] features: [joint-iteration] --- 2551 -
results-object-has-no-undefined-iterables-properties.js --- esid: sec-iterator.zipkeyed description: > Undefined properties from the "iterables" object are not present in the results object info: | Iterator.zipKeyed ( iterables [ , options ] ) ... 12. For each element key of allKeys, do a. Let desc be Completion(iterables.[[GetOwnProperty]](key)). b. IfAbruptCloseIterators(desc, iters). c. If desc is not undefined and desc.[[Enumerable]] is true, then ... features: [joint-iteration] --- 1038 -
shell.js --- description: | Utility functions for testing Iterator.prototype.zip and Iterator.prototype.zipKeyed. Requires inclusion of propertyHelper.js. defines: - forEachSequenceCombination - forEachSequenceCombinationKeyed - assertZipped - assertZippedKeyed - assertIteratorResult - assertIsPackedArray --- 16409 -
suspended-start-iterator-close-calls-next.js --- esid: sec-iterator.zipkeyed description: > Generator is closed from suspended-start state and IteratorClose calls next. info: | %IteratorHelperPrototype%.return ( ) ... 4. If O.[[GeneratorState]] is suspended-start, then a. Set O.[[GeneratorState]] to completed. ... c. Perform ? IteratorCloseAll(O.[[UnderlyingIterators]], ReturnCompletion(undefined)). d. Return CreateIteratorResultObject(undefined, true). ... IteratorCloseAll ( iters, completion ) 1. For each element iter of iters, in reverse List order, do a. Set completion to Completion(IteratorClose(iter, completion)). 2. Return ? completion. IteratorClose ( iteratorRecord, completion ) ... 3. Let innerResult be Completion(GetMethod(iterator, "return")). 4. If innerResult is a normal completion, then a. Let return be innerResult.[[Value]]. b. If return is undefined, return ? completion. c. Set innerResult to Completion(Call(return, iterator)). ... %IteratorHelperPrototype%.next ( ) 1. Return ? GeneratorResume(this value, undefined, "Iterator Helper"). GeneratorResume ( generator, value, generatorBrand ) 1. Let state be ? GeneratorValidate(generator, generatorBrand). 2. If state is completed, return CreateIteratorResultObject(undefined, true). ... GeneratorValidate ( generator, generatorBrand ) ... 5. Let state be generator.[[GeneratorState]]. 6. If state is executing, throw a TypeError exception. 7. Return state. features: [joint-iteration] --- 2557 -
suspended-start-iterator-close-calls-return.js --- esid: sec-iterator.zipkeyed description: > Generator is closed from suspended-start state and IteratorClose calls return. info: | %IteratorHelperPrototype%.return ( ) ... 4. If O.[[GeneratorState]] is suspended-start, then a. Set O.[[GeneratorState]] to completed. ... c. Perform ? IteratorCloseAll(O.[[UnderlyingIterators]], ReturnCompletion(undefined)). d. Return CreateIteratorResultObject(undefined, true). 5. Let C be ReturnCompletion(undefined). 6. Return ? GeneratorResumeAbrupt(O, C, "Iterator Helper"). IteratorCloseAll ( iters, completion ) 1. For each element iter of iters, in reverse List order, do a. Set completion to Completion(IteratorClose(iter, completion)). 2. Return ? completion. IteratorClose ( iteratorRecord, completion ) ... 3. Let innerResult be Completion(GetMethod(iterator, "return")). 4. If innerResult is a normal completion, then a. Let return be innerResult.[[Value]]. b. If return is undefined, return ? completion. c. Set innerResult to Completion(Call(return, iterator)). ... 8. Return ? completion. GeneratorResumeAbrupt ( generator, abruptCompletion, generatorBrand ) 1. Let state be ? GeneratorValidate(generator, generatorBrand). 2. If state is suspended-start, then ... 3. If state is completed, then a. If abruptCompletion is a return completion, then i. Return CreateIteratorResultObject(abruptCompletion.[[Value]], true). ... GeneratorValidate ( generator, generatorBrand ) ... 5. Let state be generator.[[GeneratorState]]. 6. If state is executing, throw a TypeError exception. 7. Return state. features: [joint-iteration] --- 2819 -
suspended-yield-iterator-close-calls-next.js --- esid: sec-iterator.zipkeyed description: > Generator is closed from suspended-yield state and IteratorClose calls next. info: | %IteratorHelperPrototype%.return ( ) ... 5. Let C be ReturnCompletion(undefined). 6. Return ? GeneratorResumeAbrupt(O, C, "Iterator Helper"). GeneratorResumeAbrupt ( generator, abruptCompletion, generatorBrand ) 1. Let state be ? GeneratorValidate(generator, generatorBrand). ... 4. Assert: state is suspended-yield. ... 8. Set generator.[[GeneratorState]] to executing. ... 10. Resume the suspended evaluation of genContext using abruptCompletion as the result of the operation that suspended it. Let result be the Completion Record returned by the resumed computation. ... GeneratorValidate ( generator, generatorBrand ) ... 5. Let state be generator.[[GeneratorState]]. 6. If state is executing, throw a TypeError exception. 7. Return state. IteratorZip ( iters, mode, padding, finishResults ) ... 3. Let closure be a new Abstract Closure with no parameters that captures iters, iterCount, openIters, mode, padding, and finishResults, and performs the following steps when called: ... b. Repeat, ... v. Let completion be Completion(Yield(results)). vi. If completion is an abrupt completion, then 1. Return ? IteratorCloseAll(openIters, completion). ... IteratorCloseAll ( iters, completion ) 1. For each element iter of iters, in reverse List order, do a. Set completion to Completion(IteratorClose(iter, completion)). 2. Return ? completion. IteratorClose ( iteratorRecord, completion ) ... 3. Let innerResult be Completion(GetMethod(iterator, "return")). 4. If innerResult is a normal completion, then a. Let return be innerResult.[[Value]]. b. If return is undefined, return ? completion. c. Set innerResult to Completion(Call(return, iterator)). ... %IteratorHelperPrototype%.next ( ) 1. Return ? GeneratorResume(this value, undefined, "Iterator Helper"). GeneratorResume ( generator, value, generatorBrand ) 1. Let state be ? GeneratorValidate(generator, generatorBrand). ... features: [joint-iteration] --- 3274 -
suspended-yield-iterator-close-calls-return.js --- esid: sec-iterator.zipkeyed description: > Generator is closed from suspended-yield state and IteratorClose calls return. info: | %IteratorHelperPrototype%.return ( ) ... 5. Let C be ReturnCompletion(undefined). 6. Return ? GeneratorResumeAbrupt(O, C, "Iterator Helper"). GeneratorResumeAbrupt ( generator, abruptCompletion, generatorBrand ) 1. Let state be ? GeneratorValidate(generator, generatorBrand). ... 4. Assert: state is suspended-yield. ... 8. Set generator.[[GeneratorState]] to executing. ... 10. Resume the suspended evaluation of genContext using abruptCompletion as the result of the operation that suspended it. Let result be the Completion Record returned by the resumed computation. ... GeneratorValidate ( generator, generatorBrand ) ... 5. Let state be generator.[[GeneratorState]]. 6. If state is executing, throw a TypeError exception. 7. Return state. IteratorZip ( iters, mode, padding, finishResults ) ... 3. Let closure be a new Abstract Closure with no parameters that captures iters, iterCount, openIters, mode, padding, and finishResults, and performs the following steps when called: ... b. Repeat, ... v. Let completion be Completion(Yield(results)). vi. If completion is an abrupt completion, then 1. Return ? IteratorCloseAll(openIters, completion). ... IteratorCloseAll ( iters, completion ) 1. For each element iter of iters, in reverse List order, do a. Set completion to Completion(IteratorClose(iter, completion)). 2. Return ? completion. IteratorClose ( iteratorRecord, completion ) ... 3. Let innerResult be Completion(GetMethod(iterator, "return")). 4. If innerResult is a normal completion, then a. Let return be innerResult.[[Value]]. b. If return is undefined, return ? completion. c. Set innerResult to Completion(Call(return, iterator)). ... features: [joint-iteration] --- 3044 -