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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