How to use AcquireReadableStreamBYOBReader method in wpt

Best JavaScript code snippet using wpt

readable_stream.ts

Source:readable_stream.ts

...125    if (params.mode === void 0) {126      return AcquireReadableStreamDefaultReader(this);127    }128    if (params.mode === "byob") {129      return AcquireReadableStreamBYOBReader(this);130    }131    throw new RangeError();132  }133  pipeThrough<T>(134    {135      writable,136      readable137    }: {138      writable: WritableStream<T>;139      readable: ReadableStream<T>;140    },141    {142      preventClose,143      preventAbort,144      preventCancel,145      signal146    }: {147      preventClose?: boolean;148      preventAbort?: boolean;149      preventCancel?: boolean;150      signal?: domTypes.AbortSignal;151    } = {}152  ) {153    if (!IsReadableStream(this)) {154      throw new TypeError("this is not ReadableStream");155    }156    if (!IsWritableStream(writable)) {157      throw new TypeError("writable is not WritableStream");158    }159    if (!IsReadableStream(readable)) {160      throw new TypeError("readable is not ReadableStream");161    }162    preventClose = !!preventClose;163    preventAbort = !!preventAbort;164    preventCancel = !!preventCancel;165    if (signal !== void 0 && !isAbortSignal(signal)) {166      throw new TypeError("signal is not instance of AbortSignal");167    }168    if (IsReadableStreamLocked(this)) {169      throw new TypeError("this stream is locked");170    }171    if (IsWritableStreamLocked(writable)) {172      throw new TypeError("writable is locked");173    }174    ReadableStreamPipeTo(175      this,176      writable,177      preventClose,178      preventAbort,179      preventCancel,180      signal181    );182    return readable;183  }184  async pipeTo(185    dest: WritableStream<T>,186    {187      preventClose,188      preventAbort,189      preventCancel,190      signal191    }: {192      preventClose?: boolean;193      preventAbort?: boolean;194      preventCancel?: boolean;195      signal?;196    } = {}197  ): Promise<any> {198    if (!IsReadableStream(this)) {199      throw new TypeError("this is not ReadableStream");200    }201    if (!IsWritableStream(dest)) {202      throw new TypeError("dest is not WritableStream");203    }204    preventClose = !!preventClose;205    preventAbort = !!preventAbort;206    preventCancel = !!preventCancel;207    if (signal !== void 0 && !isAbortSignal(signal)) {208      throw new TypeError("signal is not instance of AbortSignal");209    }210    if (IsReadableStreamLocked(this)) {211      throw new TypeError("this stream is locked");212    }213    if (IsWritableStreamLocked(dest)) {214      throw new TypeError("writable is locked");215    }216    return ReadableStreamPipeTo(217      this,218      dest,219      preventClose,220      preventCancel,221      preventAbort,222      signal223    );224  }225  tee(): [ReadableStream, ReadableStream] {226    if (!IsReadableStream(this)) {227      throw new TypeError();228    }229    return ReadableStreamTee(this, false);230  }231}232function AcquireReadableStreamBYOBReader(233  stream: ReadableStream234): ReadableStreamBYOBReader {235  return new ReadableStreamBYOBReader(stream);236}237function AcquireReadableStreamDefaultReader(238  stream: ReadableStream239): ReadableStreamDefaultReader {240  return new ReadableStreamDefaultReader(stream);241}242export function CreateReadableStream(243  startAlgorithm: StartAlgorithm,244  pullAlgorithm: PullAlgorithm,245  cancelAlgorithm: CancelAlgorithm,246  highWaterMark: number = 1,247  sizeAlgorithm: SizeAlgorithm = () => 1248): ReadableStream {249  Assert(IsNonNegativeNumber(highWaterMark));250  const stream = Object.create(ReadableStream.prototype);251  InitializeReadableStream(stream);252  const controller = Object.create(ReadableStreamDefaultController.prototype);253  SetUpReadableStreamDefaultController({254    stream,255    controller,256    startAlgorithm,257    pullAlgorithm,258    cancelAlgorithm,259    highWaterMark,260    sizeAlgorithm261  });262  return stream;263}264export function CreateReadableByteStream(265  startAlgorithm: StartAlgorithm,266  pullAlgorithm: PullAlgorithm,267  cancelAlgorithm: CancelAlgorithm,268  highWaterMark: number = 1,269  autoAllocateChunkSize?: number270) {271  Assert(IsNonNegativeNumber(highWaterMark));272  if (autoAllocateChunkSize !== void 0) {273    Assert(Number.isInteger(autoAllocateChunkSize));274    Assert(autoAllocateChunkSize > 0);275  }276  const stream = Object.create(ReadableStream.prototype);277  InitializeReadableStream(stream);278  const controller = Object.create(ReadableByteStreamController.prototype);279  SetUpReadableByteStreamController(280    stream,281    controller,282    startAlgorithm,283    pullAlgorithm,284    cancelAlgorithm,285    highWaterMark,286    autoAllocateChunkSize287  );288  return stream;289}290export function InitializeReadableStream(stream: ReadableStream) {291  stream.state = "readable";292  stream.reader = void 0;293  stream.storedError = void 0;294  stream.disturbed = false;295}296export function IsReadableStream(x): x is ReadableStream {297  return typeof x === "object" && x.hasOwnProperty("readableStreamController");298}299export function IsReadableStreamDisturbed(stream: ReadableStream): boolean {300  Assert(IsReadableStream(stream));301  return stream.disturbed;302}303export function IsReadableStreamLocked(stream: ReadableStream): boolean {304  Assert(IsReadableStream(stream));305  return stream.reader !== void 0;306}307export function ReadableStreamTee(308  stream: ReadableStream,309  cloneForBranch2: boolean310): [ReadableStream, ReadableStream] {311  Assert(IsReadableStream(stream));312  Assert(typeof cloneForBranch2 === "boolean");313  const reader = AcquireReadableStreamDefaultReader(stream);314  let closedOrErrored = false;315  let canceled1 = false;316  let canceled2 = false;317  let reason1 = void 0;318  let reason2 = void 0;319  let branch1: ReadableStream = void 0;320  let branch2: ReadableStream = void 0;321  let cancelPromise = defer();322  const pullAlgorithm: PullAlgorithm = () => {323    return ReadableStreamDefaultReaderRead(reader).then(324      (result: { value; done: boolean }) => {325        Assert(typeof result === "object");326        const { value, done } = result;327        Assert(typeof done === "boolean");328        if (done && !closedOrErrored) {329          if (!canceled1) {330            ReadableStreamDefaultControllerClose(331              branch1.readableStreamController332            );333          }334          if (!canceled2) {335            ReadableStreamDefaultControllerClose(336              branch2.readableStreamController337            );338          }339        }340        if (closedOrErrored) {341          return;342        }343        let [value1, value2] = [value, value];344        if (!canceled2 && cloneForBranch2) {345          //value2 <- ?StructuredDeserialize( ? StructuredSerialize( value2 ), ç¾å¨ã® Realm Record )346        }347        if (!canceled1) {348          ReadableStreamDefaultControllerEnqueue(349            branch1.readableStreamController,350            value1351          );352        }353        if (!canceled2) {354          ReadableStreamDefaultControllerEnqueue(355            branch1.readableStreamController,356            value2357          );358        }359      }360    );361  };362  const cancel1Algorithm: CancelAlgorithm = reason => {363    canceled1 = true;364    reason1 = reason;365    if (canceled2) {366      const compositeReason = [reason1, reason2];367      const cancelResult = ReadableStreamCancel(stream, compositeReason);368      cancelPromise.resolve(cancelResult);369    }370    return cancelPromise;371  };372  const cancel2Algorithm: CancelAlgorithm = reason => {373    canceled2 = true;374    reason2 = reason;375    if (canceled1) {376      const compositeReason = [reason1, reason2];377      const cancelResult = ReadableStreamCancel(stream, compositeReason);378      cancelPromise.resolve(cancelResult);379    }380    return cancelPromise;381  };382  const startAlgorithm: StartAlgorithm = () => void 0;383  branch1 = CreateReadableStream(384    startAlgorithm,385    pullAlgorithm,386    cancel1Algorithm387  );388  branch2 = CreateReadableStream(389    startAlgorithm,390    pullAlgorithm,391    cancel2Algorithm392  );393  reader.closedPromise.catch(r => {394    if (!closedOrErrored) {395      ReadableStreamDefaultControllerError(branch1.readableStreamController, r);396      ReadableStreamDefaultControllerError(branch2.readableStreamController, r);397      closedOrErrored = true;398    }399  });400  return [branch1, branch2];401}402export async function ReadableStreamPipeTo(403  source: ReadableStream,404  dest: WritableStream,405  preventClose: boolean,406  preventAbort: boolean,407  preventCancel: boolean,408  signal?409) {410  Assert(IsReadableStream(source));411  Assert(IsWritableStream(dest));412  Assert(typeof preventCancel === "boolean");413  Assert(typeof preventAbort === "boolean");414  Assert(typeof preventClose === "boolean");415  Assert(signal === void 0 || isAbortSignal(signal));416  Assert(!IsReadableStreamLocked(source));417  Assert(!IsWritableStreamLocked(dest));418  let reader: ReadableStreamBYOBReader | ReadableStreamDefaultReader;419  if (IsReadableByteStreamController(source.readableStreamController)) {420    reader = AcquireReadableStreamBYOBReader(source);421  } else {422    reader = AcquireReadableStreamDefaultReader(source);423  }424  const writer = AcquireWritableStreamDefaultWriter(dest);425  let shutingDown = false;426  const promsie = defer();427  let abortAlgorithm;428  if (!signal) {429    abortAlgorithm = () => {430      let error = new Error("aborted");431      const actions = [];432      if (!preventAbort) {433        actions.push(async () => {434          if (dest.state === "writable") {...

pipe-to.ts

Source:pipe-to.ts

...20	const signal = options.signal;21	let shuttingDown = false;22	let latestWrite = Promise.resolve();23	const promise = shared.createControlledPromise<void>();24	// If IsReadableByteStreamController(this.[[readableStreamController]]) is true, let reader be either ! AcquireReadableStreamBYOBReader(this) or ! AcquireReadableStreamDefaultReader(this), at the user agentâs discretion.25	// Otherwise, let reader be ! AcquireReadableStreamDefaultReader(this).26	const reader = new ReadableStreamDefaultReader(source);27	const writer = new WritableStreamDefaultWriter(dest);28	let abortAlgorithm: () => any;29	if (signal !== undefined) {30		abortAlgorithm = () => {31			const error = new DOMException("Aborted", "AbortError");32			const actions: (() => Promise<void>)[] = [];33			if (preventAbort === false) {34				actions.push(() => {35					if (dest[shared.state_] === "writable") {36						return ws.writableStreamAbort(dest, error);37					}38					return Promise.resolve();...

Using AI Code Generation

1async function readStream(stream) {2  const reader = stream.getReader({ mode: "byob" });3  try {4    while (true) {5      const { value, done } = await reader.read(new Uint8Array(4));6      if (done) {7        break;8      }9      console.log(value);10    }11  } finally {12    reader.releaseLock();13  }14}15async function readStream(stream) {16  const reader = new ReadableStreamBYOBReader(stream);17  try {18    while (true) {19      const { value, done } = await reader.read(new Uint8Array(4));20      if (done) {21        break;22      }23      console.log(value);24    }25  } finally {26    reader.releaseLock();27  }28}29async function readStream(stream) {30  const reader = new ReadableStreamBYOBReader(stream);31  try {32    while (true) {33      const { value, done } = await reader.read(new Uint8Array(4));34      if (done) {35        break;36      }37      console.log(value);38    }39  } finally {40    reader.releaseLock();41  }42}43async function readStream(stream) {44  const reader = new ReadableStreamBYOBReader(stream);45  try {46    while (true) {47      const { value, done } = await reader.read(new Uint8Array(4));48      if (done) {49        break;50      }51      console.log(value);52    }53  } finally {54    reader.releaseLock();55  }56}57async function readStream(stream) {58  const reader = new ReadableStreamBYOBReader(stream);59  try {60    while (true) {61      const { value, done } = await reader.read(new Uint8Array(4));62      if (done) {63        break;64      }65      console.log(value);66    }67  } finally {68    reader.releaseLock();69  }70}71async function readStream(stream) {72  const reader = new ReadableStreamBYOBReader(stream);73  try {74    while (true) {

Using AI Code Generation

1const { ReadableStream, WritableStream, CountQueuingStrategy, ByteLengthQueuingStrategy } = require('stream/web');2const assert = require('assert');3const { ReadableStreamBYOBReader } = require('stream/web');4const rs = new ReadableStream({5  start(controller) {6    controller.enqueue(new Uint8Array([0, 1, 2]));7    controller.enqueue(new Uint8Array([3, 4, 5]));8    controller.close();9  }10});11const reader = rs.getReader({ mode: 'byob' });12const read = async () => {13  const { value, done } = await reader.read(new Uint8Array(3));14  console.log(value);15};16read().then(() => {17  console.log('done reading');18});19const { ReadableStream, WritableStream, CountQueuingStrategy, ByteLengthQueuingStrategy } = require('stream/web');20const assert = require('assert');21const { ReadableStreamBYOBReader } = require('stream/web');22const rs = new ReadableStream({23  start(controller) {24    controller.enqueue(new Uint8Array([0, 1, 2]));25    controller.enqueue(new Uint8Array([3, 4, 5]));26    controller.close();27  }28});29const reader = rs.getReader({ mode: 'byob' });30const read = async () => {31  const { value, done } = await reader.read(new Uint8Array(3));32  console.log(value);33};34read().then(() => {35  console.log('done reading');36});37const { ReadableStream, WritableStream, CountQueuingStrategy, ByteLengthQueuingStrategy } = require('stream/web');38const assert = require('assert');39const { ReadableStreamBYOBReader } = require('stream/web');40const rs = new ReadableStream({41  start(controller)

Using AI Code Generation

1const readableStream = new ReadableStream({2  start(controller) {3    console.log('[start]');4  },5  pull(controller) {6    console.log('[pull]');7  },8  cancel(reason) {9    console.log('[cancel]', reason);10  }11});12const reader = readableStream.getReader({mode: 'byob'});13const writableStream = new WritableStream({14  start(controller) {15    console.log('[start]');16  },17  write(chunk, controller) {18    console.log('[write]', chunk);19    console.log('[write]', controller.desiredSize);20  },21  close(controller) {22    console.log('[close]');23  },24  abort(reason) {25    console.log('[abort]', reason);26  }27});28const writer = writableStream.getWriter();29const array = Array.of(1, 2, 3);30const array = ['a', 'b', 'c'];31const iterator = array.values();

Using AI Code Generation

1var rs = new ReadableStream({2    pull: function(controller) {3    }4});5var reader = rs.getReader({ mode: 'byob' });6function AcquireReadableStreamBYOBReader(stream) {7    var reader = AcquireReadableStreamReader(stream);8    if (IsReadableStreamBYOBReader(reader) === false) {9        throw new TypeError('reader must be a ReadableStreamBYOBReader');10    }11    return reader;12}13function AcquireReadableStreamReader(stream) {14    assert(IsReadableStream(stream) === true);15    assert(stream._reader === undefined);16    var reader = new ReadableStreamDefaultReader(stream);17    stream._reader = reader;18    return reader;19}20function IsReadableStreamBYOBReader(x) {21    if (!typeIsObject(x)) {22        return false;23    }24    if (!Object.prototype.hasOwnProperty.call(x, '_readableStream')) {25        return false;26    }27    if (x._readableStream === undefined) {28        return false;29    }30    return true;31}32function IsReadableStream(x) {33    if (!typeIsObject(x)) {34        return false;35    }36    if (!Object.prototype.hasOwnProperty.call(x, '_state')) {37        return false;38    }39    return true;40}41function ReadableStreamDefaultReader(stream) {42    assert(IsReadableStream(stream) === true);43    assert(stream._reader === undefined);44    this._ownerReadableStream = stream;45    stream._reader = this;46    switch (stream._state) {47            this._state = 'readable';48            break;49            this._state = 'closed';50            break;

Using AI Code Generation

1var stream = new ReadableStream();2var reader = stream.getReader({mode: "byob"});3var buffer = new ArrayBuffer(1024);4var view = new Uint8Array(buffer);5var readPromise = reader.read(view);6readPromise.then(function(result) {7});8readPromise.catch(function(error) {9});10var stream = new ReadableStream();11var reader = stream.getReader({mode: "byob"});12var buffer = new ArrayBuffer(1024);13var view = new Uint8Array(buffer);14var readPromise = reader.read(view);15readPromise.then(function(result) {16});17readPromise.catch(function(error) {18});19var stream = new ReadableStream();20var reader = stream.getReader();21var readPromise = reader.read();22readPromise.then(function(result) {23});24readPromise.catch(function(error) {25});26var stream = new ReadableStream();27var reader = stream.getReader();28var readPromise = reader.read();29readPromise.then(function(result) {30});31readPromise.catch(function(error) {32});33var stream = new WritableStream();34var writer = stream.getWriter();35var writePromise = writer.write("data");36writePromise.then(function() {37});38writePromise.catch(function(error) {39});40var stream = new WritableStream();41var writer = stream.getWriter();42var writePromise = writer.write("data");43writePromise.then(function() {44});45writePromise.catch(function(error) {46});47var stream = new ReadableStream({48  start(controller) {49    var view = new Uint8Array(1024);50    for (var i = 0; i

Using AI Code Generation

1let reader = readableStream.getReader({ mode: "byob" });2let view = new Uint8Array(10);3let result = await reader.read(view);4let writer = writableStream.getWriter();5let result = await writer.write("a");6writer.close();7let writer = transformStream.writable.getWriter();8let result = await writer.write("a");9writer.close();10let reader = transformStream.readable.getReader();11let result = await reader.read();12reader.releaseLock();13let reader = readableStream.getReader({ mode: "byob" });14let view = new Uint8Array(10);15let result = await reader.read(view);16let request = result.request;17let view = request.view;18let writer = writableStream.getWriter();19let result = await writer.write("a");20let controller = result.controller;21controller.error("something went wrong");22let reader = readableStream.getReader({ mode: "byob" });23let view = new Uint8Array(10);24let result = await reader.read(view);25let controller = result.controller;26controller.byobRequest.respond(10);27let reader = readableStream.getReader();28let result = await reader.read();29let controller = result.controller;30controller.enqueue("a");31let writer = transformStream.writable.getWriter();32let result = await writer.write("a");33let controller = result.controller;34controller.enqueue("a");35let writer = writableStream.getWriter();36let result = await writer.write("a");37let controller = result.controller;38controller.error("something went wrong");39let writer = writableStream.getWriter();40let result = await writer.write("a");41let controller = result.controller;42controller.error("something went wrong");

Using AI Code Generation

1const assert = require('assert');2const { ReadableStream, WritableStream, CountQueuingStrategy } = require('stream/web');3const { AcquireReadableStreamBYOBReader } = require('stream/web');4const rs = new ReadableStream({5  start(controller) {6    controller.enqueue(new Uint8Array([0, 1, 2]));7    controller.enqueue(new Uint8Array([3, 4, 5]));8    controller.close();9  },10});11const reader = AcquireReadableStreamBYOBReader(rs);12assert.strictEqual(reader instanceof ReadableStreamBYOBReader, true);

Using AI Code Generation

1var wpt = require('web-platform-testharness');2var rs = new ReadableStream({3    pull: function (c) {4        console.log('pull');5        var i = 0;6        var view = new Uint8Array(1);7        view[0] = i;8        c.enqueue(view);9        i++;10    }11});12var reader = rs.getReader({ mode: 'byob' });13var view = new Uint8Array(1);14reader.read(view).then(function (result) {15    console.log('read');16    console.log(result);17});18var wpt = require('web-platform-testharness');19var ws = new WritableStream({20    write: function (c) {21        console.log('write');22        console.log(c);23    }24});25var writer = ws.getWriter();26writer.write('test');27writer.close();28var wpt = require('web-platform-testharness');29var ws = new WritableStream({30    write: function (c) {31        console.log('write');32        console.log(c);33    }34});35var writer = ws.getWriter();36writer.write('test');37writer.close();38var wpt = require('web-platform-testharness');39var ws = new WritableStream({40    write: function (c) {41        console.log('write');42        console.log(c);43    }44});45var writer = ws.getWriter();46writer.write('test');47writer.close();48var wpt = require('web-platform-testharness');49var ws = new WritableStream({50    write: function (c) {51        console.log('write');52        console.log(c);53    }54});55var writer = ws.getWriter();56writer.write('test');57writer.close();58var wpt = require('web-platform-testharness');59var ws = new WritableStream({60    write: function (c) {61        console.log('write');62        console.log(c);63    }64});

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