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How to use ReadableStreamDefaultControllerEnqueue method in wpt
Best JavaScript code snippet using wpt
ReadableStream.js
Source:ReadableStream.js 
...226 }227 if (state === STATE_CLOSED) {228 throw new TypeError(errEnqueueClosedStream);229 }230 return ReadableStreamDefaultControllerEnqueue(this, chunk);231 }232 error(e) {233 if (IsReadableStreamDefaultController(this) === false) {234 throw new TypeError(errIllegalInvocation);235 }236 const stream = this[_controlledReadableStream];237 const state = ReadableStreamGetState(stream);238 if (state === STATE_ERRORED) {239 throw new TypeError(errErrorErroredStream);240 }241 if (state === STATE_CLOSED) {242 throw new TypeError(errErrorClosedStream);243 }244 return ReadableStreamDefaultControllerError(this, e);245 }246 }247 function ReadableStreamDefaultControllerCancel(controller, reason) {248 controller[_queue] = new v8.InternalPackedArray();249 const underlyingSource = controller[_underlyingSource];250 return PromiseCallOrNoop(underlyingSource, 'cancel', reason, 'underlyingSource.cancel');251 }252 function ReadableStreamDefaultControllerPull(controller) {253 const stream = controller[_controlledReadableStream];254 if (controller[_queue].length > 0) {255 const chunk = DequeueValue(controller);256 if ((controller[_readableStreamDefaultControllerBits] & CLOSE_REQUESTED) &&257 controller[_queue].length === 0) {258 ReadableStreamClose(stream);259 } else {260 ReadableStreamDefaultControllerCallPullIfNeeded(controller);261 }262 return Promise_resolve(CreateIterResultObject(chunk, false));263 }264 const pendingPromise = ReadableStreamAddReadRequest(stream);265 ReadableStreamDefaultControllerCallPullIfNeeded(controller);266 return pendingPromise;267 }268 function ReadableStreamAddReadRequest(stream) {269 const promise = v8.createPromise();270 stream[_reader][_readRequests].push(promise);271 return promise;272 }273 class ReadableStreamDefaultReader {274 constructor(stream) {275 if (IsReadableStream(stream) === false) {276 throw new TypeError(errReaderConstructorBadArgument);277 }278 if (IsReadableStreamLocked(stream) === true) {279 throw new TypeError(errReaderConstructorStreamAlreadyLocked);280 }281 ReadableStreamReaderGenericInitialize(this, stream);282 this[_readRequests] = new v8.InternalPackedArray();283 }284 get closed() {285 if (IsReadableStreamDefaultReader(this) === false) {286 return Promise_reject(new TypeError(errIllegalInvocation));287 }288 return this[_closedPromise];289 }290 cancel(reason) {291 if (IsReadableStreamDefaultReader(this) === false) {292 return Promise_reject(new TypeError(errIllegalInvocation));293 }294 const stream = this[_ownerReadableStream];295 if (stream === undefined) {296 return Promise_reject(new TypeError(errCancelReleasedReader));297 }298 return ReadableStreamReaderGenericCancel(this, reason);299 }300 read() {301 if (IsReadableStreamDefaultReader(this) === false) {302 return Promise_reject(new TypeError(errIllegalInvocation));303 }304 if (this[_ownerReadableStream] === undefined) {305 return Promise_reject(new TypeError(errReadReleasedReader));306 }307 return ReadableStreamDefaultReaderRead(this);308 }309 releaseLock() {310 if (IsReadableStreamDefaultReader(this) === false) {311 throw new TypeError(errIllegalInvocation);312 }313 const stream = this[_ownerReadableStream];314 if (stream === undefined) {315 return undefined;316 }317 if (this[_readRequests].length > 0) {318 throw new TypeError(errReleaseReaderWithPendingRead);319 }320 ReadableStreamReaderGenericRelease(this);321 }322 }323 function ReadableStreamReaderGenericCancel(reader, reason) {324 return ReadableStreamCancel(reader[_ownerReadableStream], reason);325 }326 //327 // Readable stream abstract operations328 //329 function AcquireReadableStreamDefaultReader(stream) {330 return new ReadableStreamDefaultReader(stream);331 }332 function ReadableStreamCancel(stream, reason) {333 stream[_readableStreamBits] |= DISTURBED;334 const state = ReadableStreamGetState(stream);335 if (state === STATE_CLOSED) {336 return Promise_resolve(undefined);337 }338 if (state === STATE_ERRORED) {339 return Promise_reject(stream[_storedError]);340 }341 ReadableStreamClose(stream);342 const sourceCancelPromise = ReadableStreamDefaultControllerCancel(stream[_controller], reason);343 return thenPromise(sourceCancelPromise, () => undefined);344 }345 function ReadableStreamDefaultControllerClose(controller) {346 const stream = controller[_controlledReadableStream];347 controller[_readableStreamDefaultControllerBits] |= CLOSE_REQUESTED;348 if (controller[_queue].length === 0) {349 ReadableStreamClose(stream);350 }351 }352 function ReadableStreamFulfillReadRequest(stream, chunk, done) {353 const reader = stream[_reader];354 const readRequest = stream[_reader][_readRequests].shift();355 v8.resolvePromise(readRequest, CreateIterResultObject(chunk, done));356 }357 function ReadableStreamDefaultControllerEnqueue(controller, chunk) {358 const stream = controller[_controlledReadableStream];359 if (IsReadableStreamLocked(stream) === true && ReadableStreamGetNumReadRequests(stream) > 0) {360 ReadableStreamFulfillReadRequest(stream, chunk, false);361 } else {362 let chunkSize = 1;363 const strategySize = controller[_strategySize];364 if (strategySize !== undefined) {365 try {366 chunkSize = strategySize(chunk);367 } catch (chunkSizeE) {368 if (ReadableStreamGetState(stream) === STATE_READABLE) {369 ReadableStreamDefaultControllerError(controller, chunkSizeE);370 }371 throw chunkSizeE;372 }373 }374 try {375 EnqueueValueWithSize(controller, chunk, chunkSize);376 } catch (enqueueE) {377 if (ReadableStreamGetState(stream) === STATE_READABLE) {378 ReadableStreamDefaultControllerError(controller, enqueueE);379 }380 throw enqueueE;381 }382 }383 ReadableStreamDefaultControllerCallPullIfNeeded(controller);384 }385 function ReadableStreamGetState(stream) {386 return (stream[_readableStreamBits] & STATE_MASK) >> STATE_BITS_OFFSET;387 }388 function ReadableStreamSetState(stream, state) {389 stream[_readableStreamBits] = (stream[_readableStreamBits] & ~STATE_MASK) |390 (state << STATE_BITS_OFFSET);391 }392 function ReadableStreamDefaultControllerError(controller, e) {393 controller[_queue] = new v8.InternalPackedArray();394 const stream = controller[_controlledReadableStream];395 ReadableStreamError(stream, e);396 }397 function ReadableStreamError(stream, e) {398 stream[_storedError] = e;399 ReadableStreamSetState(stream, STATE_ERRORED);400 const reader = stream[_reader];401 if (reader === undefined) {402 return undefined;403 }404 if (IsReadableStreamDefaultReader(reader) === true) {405 const readRequests = reader[_readRequests];406 for (let i = 0; i < readRequests.length; i++) {407 v8.rejectPromise(readRequests[i], e);408 }409 reader[_readRequests] = new v8.InternalPackedArray();410 }411 v8.rejectPromise(reader[_closedPromise], e);412 }413 function ReadableStreamClose(stream) {414 ReadableStreamSetState(stream, STATE_CLOSED);415 const reader = stream[_reader];416 if (reader === undefined) {417 return undefined;418 }419 if (IsReadableStreamDefaultReader(reader) === true) {420 const readRequests = reader[_readRequests];421 for (let i = 0; i < readRequests.length; i++) {422 v8.resolvePromise(423 readRequests[i], CreateIterResultObject(undefined, true));424 }425 reader[_readRequests] = new v8.InternalPackedArray();426 }427 v8.resolvePromise(reader[_closedPromise], undefined);428 }429 function ReadableStreamDefaultControllerGetDesiredSize(controller) {430 const queueSize = GetTotalQueueSize(controller);431 return controller[_strategyHWM] - queueSize;432 }433 function IsReadableStream(x) {434 return hasOwnProperty(x, _controller);435 }436 function IsReadableStreamDisturbed(stream) {437 return stream[_readableStreamBits] & DISTURBED;438 }439 function IsReadableStreamLocked(stream) {440 return stream[_reader] !== undefined;441 }442 function IsReadableStreamDefaultController(x) {443 return hasOwnProperty(x, _controlledReadableStream);444 }445 function IsReadableStreamDefaultReader(x) {446 return hasOwnProperty(x, _readRequests);447 }448 function IsReadableStreamReadable(stream) {449 return ReadableStreamGetState(stream) === STATE_READABLE;450 }451 function IsReadableStreamClosed(stream) {452 return ReadableStreamGetState(stream) === STATE_CLOSED;453 }454 function IsReadableStreamErrored(stream) {455 return ReadableStreamGetState(stream) === STATE_ERRORED;456 }457 function ReadableStreamReaderGenericInitialize(reader, stream) {458 // TODO(yhirano): Remove this when we don't need hasPendingActivity in459 // blink::UnderlyingSourceBase.460 const controller = stream[_controller];461 if (controller[_readableStreamDefaultControllerBits] & EXTERNALLY_CONTROLLED) {462 // The stream is created with an external controller (i.e. made in463 // Blink).464 const underlyingSource = controller[_underlyingSource];465 callFunction(underlyingSource.notifyLockAcquired, underlyingSource);466 }467 reader[_ownerReadableStream] = stream;468 stream[_reader] = reader;469 switch (ReadableStreamGetState(stream)) {470 case STATE_READABLE:471 reader[_closedPromise] = v8.createPromise();472 break;473 case STATE_CLOSED:474 reader[_closedPromise] = Promise_resolve(undefined);475 break;476 case STATE_ERRORED:477 reader[_closedPromise] = Promise_reject(stream[_storedError]);478 break;479 }480 }481 function ReadableStreamReaderGenericRelease(reader) {482 // TODO(yhirano): Remove this when we don't need hasPendingActivity in483 // blink::UnderlyingSourceBase.484 const controller = reader[_ownerReadableStream][_controller];485 if (controller[_readableStreamDefaultControllerBits] & EXTERNALLY_CONTROLLED) {486 // The stream is created with an external controller (i.e. made in487 // Blink).488 const underlyingSource = controller[_underlyingSource];489 callFunction(underlyingSource.notifyLockReleased, underlyingSource);490 }491 if (ReadableStreamGetState(reader[_ownerReadableStream]) === STATE_READABLE) {492 v8.rejectPromise(reader[_closedPromise], new TypeError(errReleasedReaderClosedPromise));493 } else {494 reader[_closedPromise] = Promise_reject(new TypeError(errReleasedReaderClosedPromise));495 }496 reader[_ownerReadableStream][_reader] = undefined;497 reader[_ownerReadableStream] = undefined;498 }499 function ReadableStreamDefaultReaderRead(reader) {500 const stream = reader[_ownerReadableStream];501 stream[_readableStreamBits] |= DISTURBED;502 if (ReadableStreamGetState(stream) === STATE_CLOSED) {503 return Promise_resolve(CreateIterResultObject(undefined, true));504 }505 if (ReadableStreamGetState(stream) === STATE_ERRORED) {506 return Promise_reject(stream[_storedError]);507 }508 return ReadableStreamDefaultControllerPull(stream[_controller]);509 }510 function ReadableStreamDefaultControllerCallPullIfNeeded(controller) {511 const shouldPull = ReadableStreamDefaultControllerShouldCallPull(controller);512 if (shouldPull === false) {513 return undefined;514 }515 if (controller[_readableStreamDefaultControllerBits] & PULLING) {516 controller[_readableStreamDefaultControllerBits] |= PULL_AGAIN;517 return undefined;518 }519 controller[_readableStreamDefaultControllerBits] |= PULLING;520 const underlyingSource = controller[_underlyingSource];521 const pullPromise = PromiseCallOrNoop(522 underlyingSource, 'pull', controller, 'underlyingSource.pull');523 thenPromise(pullPromise,524 () => {525 controller[_readableStreamDefaultControllerBits] &= ~PULLING;526 if (controller[_readableStreamDefaultControllerBits] & PULL_AGAIN) {527 controller[_readableStreamDefaultControllerBits] &= ~PULL_AGAIN;528 ReadableStreamDefaultControllerCallPullIfNeeded(controller);529 }530 },531 e => {532 if (ReadableStreamGetState(controller[_controlledReadableStream]) === STATE_READABLE) {533 ReadableStreamDefaultControllerError(controller, e);534 }535 });536 }537 function ReadableStreamDefaultControllerShouldCallPull(controller) {538 const stream = controller[_controlledReadableStream];539 const state = ReadableStreamGetState(stream);540 if (state === STATE_CLOSED || state === STATE_ERRORED) {541 return false;542 }543 if (controller[_readableStreamDefaultControllerBits] & CLOSE_REQUESTED) {544 return false;545 }546 if (!(controller[_readableStreamDefaultControllerBits] & STARTED)) {547 return false;548 }549 if (IsReadableStreamLocked(stream) === true && ReadableStreamGetNumReadRequests(stream) > 0) {550 return true;551 }552 const desiredSize = ReadableStreamDefaultControllerGetDesiredSize(controller);553 if (desiredSize > 0) {554 return true;555 }556 return false;557 }558 function ReadableStreamGetNumReadRequests(stream) {559 const reader = stream[_reader];560 const readRequests = reader[_readRequests];561 return readRequests.length;562 }563 // Potential future optimization: use class instances for the underlying564 // sources, so that we don't re-create565 // closures every time.566 // TODO(domenic): shouldClone argument from spec not supported yet567 function ReadableStreamTee(stream) {568 const reader = AcquireReadableStreamDefaultReader(stream);569 let closedOrErrored = false;570 let canceled1 = false;571 let canceled2 = false;572 let reason1;573 let reason2;574 let promise = v8.createPromise();575 const branch1Stream = new ReadableStream({pull, cancel: cancel1});576 const branch2Stream = new ReadableStream({pull, cancel: cancel2});577 const branch1 = branch1Stream[_controller];578 const branch2 = branch2Stream[_controller];579 thenPromise(580 reader[_closedPromise], undefined, function(r) {581 if (closedOrErrored === true) {582 return;583 }584 ReadableStreamDefaultControllerError(branch1, r);585 ReadableStreamDefaultControllerError(branch2, r);586 closedOrErrored = true;587 });588 return [branch1Stream, branch2Stream];589 function pull() {590 return thenPromise(591 ReadableStreamDefaultReaderRead(reader), function(result) {592 const value = result.value;593 const done = result.done;594 if (done === true && closedOrErrored === false) {595 if (canceled1 === false) {596 ReadableStreamDefaultControllerClose(branch1);597 }598 if (canceled2 === false) {599 ReadableStreamDefaultControllerClose(branch2);600 }601 closedOrErrored = true;602 }603 if (closedOrErrored === true) {604 return;605 }606 if (canceled1 === false) {607 ReadableStreamDefaultControllerEnqueue(branch1, value);608 }609 if (canceled2 === false) {610 ReadableStreamDefaultControllerEnqueue(branch2, value);611 }612 });613 }614 function cancel1(reason) {615 canceled1 = true;616 reason1 = reason;617 if (canceled2 === true) {618 const compositeReason = [reason1, reason2];619 const cancelResult = ReadableStreamCancel(stream, compositeReason);620 v8.resolvePromise(promise, cancelResult);621 }622 return promise;623 }624 function cancel2(reason) {...
tee.ts
Source:tee.ts
...44 // if (!canceled2 && cloneForBranch2) {45 // value2 = StructuredDeserialize(StructuredSerialize(value2));46 // }47 if (!canceled1) {48 ReadableStreamDefaultControllerEnqueue(49 branch1._readableStreamController as ReadableStreamDefaultController<R>,50 value151 );52 }53 if (!canceled2) {54 ReadableStreamDefaultControllerEnqueue(55 branch2._readableStreamController as ReadableStreamDefaultController<R>,56 value257 );58 }59 });60 },61 _closeSteps: () => {62 reading = false;63 if (!canceled1) {64 ReadableStreamDefaultControllerClose(branch1._readableStreamController as ReadableStreamDefaultController<R>);65 }66 if (!canceled2) {67 ReadableStreamDefaultControllerClose(branch2._readableStreamController as ReadableStreamDefaultController<R>);68 }...
readable_stream_default_controller.ts
Source:readable_stream_default_controller.ts
1// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.2import {3 CancelAlgorithm,4 dequeueValue,5 isReadableStreamDefaultController,6 Pair,7 PullAlgorithm,8 readableStreamAddReadRequest,9 readableStreamClose,10 readableStreamCreateReadResult,11 readableStreamDefaultControllerCallPullIfNeeded,12 readableStreamDefaultControllerCanCloseOrEnqueue,13 readableStreamDefaultControllerClearAlgorithms,14 readableStreamDefaultControllerClose,15 readableStreamDefaultControllerEnqueue,16 readableStreamDefaultControllerError,17 readableStreamDefaultControllerGetDesiredSize,18 resetQueue,19 SizeAlgorithm,20 setFunctionName,21} from "./internals.ts";22import { ReadableStreamImpl } from "./readable_stream.ts";23import * as sym from "./symbols.ts";24import { customInspect } from "../console.ts";25// eslint-disable-next-line @typescript-eslint/no-explicit-any26export class ReadableStreamDefaultControllerImpl<R = any>27 implements ReadableStreamDefaultController<R> {28 [sym.cancelAlgorithm]: CancelAlgorithm;29 [sym.closeRequested]: boolean;30 [sym.controlledReadableStream]: ReadableStreamImpl<R>;31 [sym.pullAgain]: boolean;32 [sym.pullAlgorithm]: PullAlgorithm;33 [sym.pulling]: boolean;34 [sym.queue]: Array<Pair<R>>;35 [sym.queueTotalSize]: number;36 [sym.started]: boolean;37 [sym.strategyHWM]: number;38 [sym.strategySizeAlgorithm]: SizeAlgorithm<R>;39 private constructor() {40 throw new TypeError(41 "ReadableStreamDefaultController's constructor cannot be called."42 );43 }44 get desiredSize(): number | null {45 if (!isReadableStreamDefaultController(this)) {46 throw new TypeError("Invalid ReadableStreamDefaultController.");47 }48 return readableStreamDefaultControllerGetDesiredSize(this);49 }50 close(): void {51 if (!isReadableStreamDefaultController(this)) {52 throw new TypeError("Invalid ReadableStreamDefaultController.");53 }54 if (!readableStreamDefaultControllerCanCloseOrEnqueue(this)) {55 throw new TypeError(56 "ReadableStreamDefaultController cannot close or enqueue."57 );58 }59 readableStreamDefaultControllerClose(this);60 }61 enqueue(chunk: R): void {62 if (!isReadableStreamDefaultController(this)) {63 throw new TypeError("Invalid ReadableStreamDefaultController.");64 }65 if (!readableStreamDefaultControllerCanCloseOrEnqueue(this)) {66 throw new TypeError("ReadableSteamController cannot enqueue.");67 }68 return readableStreamDefaultControllerEnqueue(this, chunk);69 }70 // eslint-disable-next-line @typescript-eslint/no-explicit-any71 error(error?: any): void {72 if (!isReadableStreamDefaultController(this)) {73 throw new TypeError("Invalid ReadableStreamDefaultController.");74 }75 readableStreamDefaultControllerError(this, error);76 }77 // eslint-disable-next-line @typescript-eslint/no-explicit-any78 [sym.cancelSteps](reason?: any): PromiseLike<void> {79 resetQueue(this);80 const result = this[sym.cancelAlgorithm](reason);81 readableStreamDefaultControllerClearAlgorithms(this);82 return result;83 }84 [sym.pullSteps](): Promise<ReadableStreamReadResult<R>> {85 const stream = this[sym.controlledReadableStream];86 if (this[sym.queue].length) {87 const chunk = dequeueValue<R>(this);88 if (this[sym.closeRequested] && this[sym.queue].length === 0) {89 readableStreamDefaultControllerClearAlgorithms(this);90 readableStreamClose(stream);91 } else {92 readableStreamDefaultControllerCallPullIfNeeded(this);93 }94 return Promise.resolve(95 readableStreamCreateReadResult(96 chunk,97 false,98 stream[sym.reader]![sym.forAuthorCode]99 )100 );101 }102 const pendingPromise = readableStreamAddReadRequest(stream);103 readableStreamDefaultControllerCallPullIfNeeded(this);104 return pendingPromise;105 }106 [customInspect](): string {107 return `${this.constructor.name} { desiredSize: ${String(108 this.desiredSize109 )} }`;110 }111}112setFunctionName(113 ReadableStreamDefaultControllerImpl,114 "ReadableStreamDefaultController"...
Using AI Code Generation
1test(function() {2 var rs = new ReadableStream({3 start: function(c) {4 c.enqueue('a');5 }6 });7 var reader = rs.getReader();8 return reader.read().then(function(r) {9 assert_object_equals(r, { value: 'a', done: false }, 'read() should fulfill with the chunk enqueued');10 });11}, 'ReadableStream with byte source: enqueue() should work');12test(function() {13 var rs = new ReadableStream({14 start: function(c) {15 c.enqueue('a');16 }17 });18 var reader = rs.getReader();19 return reader.read().then(function(r) {20 assert_object_equals(r, { value: 'a', done: false }, 'read() should fulfill with the chunk enqueued');21 });22}, 'ReadableStream with byte source: enqueue() should work');23test(function() {24 var rs = new ReadableStream({25 start: function(c) {26 c.enqueue('a');27 }28 });29 var reader = rs.getReader();30 return reader.read().then(function(r) {31 assert_object_equals(r, { value: 'a', done: false }, 'read() should fulfill with the chunk enqueued');32 });33}, 'ReadableStream with byte source: enqueue() should work');34test(function() {35 var rs = new ReadableStream({36 start: function(c) {37 c.enqueue('a');38 }39 });40 var reader = rs.getReader();41 return reader.read().then(function(r) {42 assert_object_equals(r, { value: 'a', done: false }, 'read() should fulfill with the chunk enqueued');43 });44}, 'ReadableStream with byte source: enqueue() should work');45test(function() {46 var rs = new ReadableStream({47 start: function(c) {48 c.enqueue('a');49 }50 });51 var reader = rs.getReader();52 return reader.read().then(function(r) {
Using AI Code Generation
1function testEnqueue(controller, chunk) {2 ReadableStreamDefaultControllerEnqueue(controller, chunk);3}4function testClose(controller) {5 ReadableStreamDefaultControllerClose(controller);6}7function testError(controller, reason) {8 ReadableStreamDefaultControllerError(controller, reason);9}10function testDesiredSize(controller) {11 ReadableStreamDefaultControllerGetDesiredSize(controller);12}13function testHasBackpressure(controller) {14 ReadableStreamDefaultControllerHasBackpressure(controller);15}16function testCanCloseOrEnqueue(controller) {17 ReadableStreamDefaultControllerCanCloseOrEnqueue(controller);18}19function testCallPullIfNeeded(controller) {20 ReadableStreamDefaultControllerCallPullIfNeeded(controller);21}22function testShouldCallPull(controller) {23 ReadableStreamDefaultControllerShouldCallPull(controller);24}25function testClearAlgorithms(controller) {26 ReadableStreamDefaultControllerClearAlgorithms(controller);27}28function testClose(controller) {29 ReadableStreamDefaultControllerClose(controller);30}31function testError(controller, reason) {32 ReadableStreamDefaultControllerError(controller, reason);33}34function testDesiredSize(controller) {35 ReadableStreamDefaultControllerGetDesiredSize(controller);36}37function testHasBackpressure(controller) {38 ReadableStreamDefaultControllerHasBackpressure(controller);39}40function testCanCloseOrEnqueue(controller) {
Using AI Code Generation
1var rs = new ReadableStream({2 start(controller) {3 controller.enqueue("a");4 controller.enqueue("b");5 controller.enqueue("c");6 }7});8var reader = rs.getReader();9var read = () =>10 reader.read().then(({ value, done }) => {11 if (done) return;12 console.log(value);13 return read();14 });15read();16var rs = new ReadableStream({17 start(controller) {18 controller.error(new Error("something went wrong"));19 }20});21var reader = rs.getReader();22reader.read().catch(e => console.error(e));23var rs = new ReadableStream({24 start(controller) {25 controller.close();26 }27});28var reader = rs.getReader();29reader.read().then(result => console.log(result));30var rs = new ReadableStream({31 pull(controller) {32 var view = controller.byobRequest.view;33 controller.byobRequest.respond(3);34 }35});36var reader = rs.getReader({ mode: "byob" });37var read = () =>38 reader.read(new Uint8Array(3)).then(({ value, done }) => {39 if (done) return;40 console.log(String.fromCharCode(...value));41 return read();42 });43read();
Using AI Code Generation
1var rs = new ReadableStream({2 start(controller) {3 controller.enqueue('a');4 controller.enqueue('b');5 controller.enqueue('c');6 }7});8rs.getReader().read().then(r => consol .log(r));9r=.getReader().read().then(r => console.log(r));10rs.getReader().read().then(r => console.log(r));11var rs = new ReadableStream({12 start(controller) {13 controller.enqueue('a');14 controller.enqueue('b');15 controller.enqueue('c');16 }17});18rs.getReader().read().then(result =sole.log(r));19rs.getReader().read().then(r => console.log(r));20rs.getReader().read().then(r => console.log(r));
Using AI Code Generation
1var rs = new ReadableStream({2 start(controller) {3 controller.enqueue('a');4 controller.enqueue('b');5 controller.enqueue('c');6 }7});8rs.getReader().read().then(result => {9 return rs.getReader().read();10}).then(result => {11 return rs.getReader().read();12}).then(result => {13 return rs.getReader().read();14}).then(result => {15});16var rs = new ReadableStream({17 start(controller) {18 controller.error('boo!');19 }20});21rs.getReader().read().catch(e => {22});23var rs = new ReadableStream({24 start(controller) {25 controller.close();26 }27});28rs.getReader().read().then(result => {29});30 },
Using AI Code Generation
1var rs = new ReadableStream({2 start(controller) {3 controller.enqueue("a");4 controller.enqueue("b");5 controller.enqueue("c");6 }7});8var reader = rs.getReader();9var result = reader.read();10result.then(function(result) {11 console.log(result);12 return reader.read();13}).then(function(result) {14 console.log(result);15 return reader.read();16}).then(function(result) {17 console.log(result);18 return reader.read();19}).then(function(result) {20 console.log(result);21});22function ReadableStreamDefaultControllerEnqueue(controller, chunk) {23 var stream = controller._controlledReadableStream;24 if (IsReadableStreamLocked(stream) === true) {25 throw new TypeError('ReadableStreamDefaultControllerEnqueue can only be used on a unlocked ReadableStream');26 }27 var chunkSize = 1;28 if (controller._strategySize !== undefined) {29 try {30 chunkSize = controller._strategySize(chunk);31 } catch (chunkSizeE) {32 ReadableStreamDefaultControllerError(controller, chunkSizeE);33 throw chunkSizeE;34 }35 }36 try {37 EnqueueValueWithSize(controller._queue, chunk, chunkSize);38 } catch (enqueueE) {39 ReadableStreamDefaultControllerError(controller, enqueueE);40 throw enqueueE;41 }42 ReadableStreamDefaultControllerCallPullIfNeeded(controller);43}44function ReadableStreamDefaultControllerCallPullIfNeeded(controller) {45 var shouldPull = ReadableStreamDefaultControllerShouldCallPull(controller46if (shouldPull === false) {47 return;48 if (controller._pulling === true) {49 controller._pullAgain = true;50 return;51 }52 assert(controller._pullAgain === false);53 controller._pulling = true;54 var pullPromise = PromiseInvokeOrNoop(controller
Using AI Code Generation
1readableStreamDefaultControllerEnqueue(controller, chunk size = 1) {2 const stream = controller._controlledReadableStream;3 if (stream._state !== 'readable') {4 varhrow new T reError('Cannot enqueue a chunk to a readable stream that is not in the readable state.');5 }6 const chunkSizs = size;7 if (chunkSize === undefined) {8 try {9 chunkSize = controller._strategy.size(chunk);10 } catch (chunkSizeE) {11 readableStreamDefaultControllerError(controller, chunkSizeE);12 throw chunkSizeE;13 }14 }15 try {16 const chunkRecord = { _chunk: chunk, _size: chunkSize };17 controller._queue.push(chunkRecord);18 controller._queueTotalSize += chunkSize;19 } catch (enqueueE) {20 readableStreamDefaultControllerError(controller, enqueueE);21 throw enqueueE;22 }23 const desiredSize = readableStreamDefaultControllerGetDesiredSize(controller);24 readableStreamDefaultControllerCallPullIfNeeded(controller);25}26readableStreamDefaultControllerClose(controller) {27 const stream = controller._controlledReadableStream;28 if (controller._closeRequested || stream._state !== 'readable') {29 return;30 }31 if (controller._queue.length > 0) {32 controller._closeRequested = true;33 return;34 }35 if (controller._started) {36 readableStreamDefaultControllerCloseInternal(controller);37 } else {38 readableStreamDefaultControllerClearAlgorithms(controller);39 controller._closeRequested = true;40 controller._started = true;41 const startResult = controller._startAlgorithm();42 Promise.resolve(startResult).then(43 () => {44 if (!controller._closeRequested) {45 return;46 }47 readableStreamDefaultControllerClearAlgorithms(controller);48 readableStreamDefaultControllerCloseInternal(controller);49 },50 r => {51 readableStreamDefaultControllerError(controller, r);52 }53 ).catch(rethrowAssertionErrorRejection);54 }55}56readableStreamDefaultControllerError(controller, e) {57 const stream = controller._controlledReadableStream;58 if (stream._state !== 'readable') {59 return;60 }61 readableStreamDefaultControllerClearAlgorithms = new ReadableStream({62 start(controller) {63 controller.enqueue('a');64 controller.enqueue('b');65 }66});67var byobRequest;68var rs = new ReadableStream({69 start(controller) {70 return controller.enqueue(new Uint8Array([1, 2, 3]));71 },72 pull(controller) {73 return controller.byobRequest.respond(2);74 },
Using AI Code Generation
1readableStreamDefaultControllerEnqueue(controller, chunk, size = 1) {2 const stream = controller._controlledReadableStream;3 if (stream._state !== 'readable') {4 throw new TypeError('Cannot enqueue a chunk to a readable stream that is not in the readable state.');5 }6 const chunkSize = size;7 if (chunkSize === undefined) {8 try {9 chunkSize = controller._strategy.size(chunk);10 } catch (chunkSizeE) {11 readableStreamDefaultControllerError(controller, chunkSizeE);12 throw chunkSizeE;13 }14 }15 try {16 const chunkRecord = { _chunk: chunk, _size: chunkSize };17 controller._queue.push(chunkRecord);18 controller._queueTotalSize += chunkSize;19 } catch (enqueueE) {20 readableStreamDefaultControllerError(controller, enqueueE);21 throw enqueueE;22 }23 const desiredSize = readableStreamDefaultControllerGetDesiredSize(controller);24 readableStreamDefaultControllerCallPullIfNeeded(controller);25}26readableStreamDefaultControllerClose(controller) {27 const stream = controller._controlledReadableStream;28 if (controller._closeRequested || stream._state !== 'readable') {29 return;30 }31 if (controller._queue.length > 0) {32 controller._closeRequested = true;33 return;34 }35 if (controller._started) {36 readableStreamDefaultControllerCloseInternal(controller);37 } else {38 readableStreamDefaultControllerClearAlgorithms(controller);39 controller._closeRequested = true;40 controller._started = true;41 const startResult = controller._startAlgorithm();42 Promise.resolve(startResult).then(43 () => {44 if (!controller._closeRequested) {45 return;46 }47 readableStreamDefaultControllerClearAlgorithms(controller);48 readableStreamDefaultControllerCloseInternal(controller);49 },50 r => {51 readableStreamDefaultControllerError(controller, r);52 }53 ).catch(rethrowAssertionErrorRejection);54 }55}56readableStreamDefaultControllerError(controller, e) {57 const stream = controller._controlledReadableStream;58 if (stream._state !== 'readable') {59 return;60 }
Using AI Code Generation
1var test = async_test("ReadableStreamDefaultControllerEnqueue method");2var rs = new ReadableStream({3 start: function (controller) {4 test.step(function () {5 assert_equals(controller.desiredSize, 1, "desiredSize should be 1");6 });7 controller.enqueue("a");8 test.step(function () {9 assert_equals(controller.desiredSize, 0, "desiredSize should be 0");10 });11 controller.enqueue("b");12 test.step(function () {13 assert_equals(controller.desiredSize, -1, "desiredSize should be -1");14 });15 controller.enqueue("c");16 test.step(function () {17 assert_equals(controller.desiredSize, -2, "desiredSize should be -2");18 });19 controller.close();20 }21});22rs.getReader().read().then(function (result) {23 test.step(function () {24 assert_equals(result.value, "a", "chunk read should be a");25 assert_equals(result.done, false, "done should be false");26 });27 return rs.getReader().read();28}).then(function (result) {29 test.step(function () {30 assert_equals(result.value, "b", "chunk read should be b");31 assert_equals(result.done, false, "done should be false");32 });33 return rs.getReader().read();34}).then(function (result) {35 test.step(function () {36 assert_equals(result.value, "c", "chunk read should be c");37 assert_equals(result.done, false, "done should be false");38 });39 return rs.getReader().read();40}).then(function (result) {41 test.step(function () {42 assert_equals(result.value, undefined, "chunk read should be undefined");43 assert_equals(result.done, true, "done should be true");44 });45 test.done();46}).catch(function (e) {47 test.step(function () {48 assert_unreached(e);49 });50 test.done();51});52var test = async_test("ReadableStreamDefaultControllerError method");53var rs = new ReadableStream({54 start: function (controller) {55 controller.enqueue("a");56 controller.enqueue("b");57 controller.enqueue("c");
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