How to use TransformStreamError method in wpt

Best JavaScript code snippet using wpt

TransformStream.js

Source:TransformStream.js

...93  }94  function IsTransformStream(x) {95    return hasOwnPropertyNoThrow(x, _transformStreamController);96  }97  function TransformStreamError(stream, e) {98    const readable = stream[_readable];99    if (binding.IsReadableStreamReadable(readable)) {100      binding.ReadableStreamDefaultControllerError(101          binding.getReadableStreamController(readable), e);102    }103    TransformStreamErrorWritableAndUnblockWrite(stream, e);104  }105  function TransformStreamErrorWritableAndUnblockWrite(stream, e) {106    binding.WritableStreamDefaultControllerErrorIfNeeded(107        binding.getWritableStreamController(stream[_writable]), e);108    if (stream[_backpressure]) {109      TransformStreamSetBackpressure(stream, false);110    }111  }112  function TransformStreamSetBackpressure(stream, backpressure) {113    // assert(114    //     stream[_backpressure] !== backpressure,115    //     'stream.[[backpressure]] is not backpressure');116    if (stream[_backpressureChangePromise] !== undefined) {117      resolvePromise(stream[_backpressureChangePromise], undefined);118    }119    stream[_backpressureChangePromise] = v8.createPromise();120    stream[_backpressure] = backpressure;121  }122  class TransformStreamDefaultController {123    constructor(stream) {124      if (!IsTransformStream(stream)) {125        throw new TypeError(streamErrors.illegalConstructor);126      }127      if (stream[_transformStreamController] !== undefined) {128        throw new TypeError(streamErrors.illegalConstructor);129      }130      this[_controlledTransformStream] = stream;131    }132    get desiredSize() {133      if (!IsTransformStreamDefaultController(this)) {134        throw new TypeError(streamErrors.illegalInvocation);135      }136      const readableController = binding.getReadableStreamController(137          this[_controlledTransformStream][_readable]);138      return binding.ReadableStreamDefaultControllerGetDesiredSize(139          readableController);140    }141    enqueue(chunk) {142      if (!IsTransformStreamDefaultController(this)) {143        throw new TypeError(streamErrors.illegalInvocation);144      }145      TransformStreamDefaultControllerEnqueue(this, chunk);146    }147    error(reason) {148      if (!IsTransformStreamDefaultController(this)) {149        throw new TypeError(streamErrors.illegalInvocation);150      }151      TransformStreamDefaultControllerError(this, reason);152    }153    terminate() {154      if (!IsTransformStreamDefaultController(this)) {155        throw new TypeError(streamErrors.illegalInvocation);156      }157      TransformStreamDefaultControllerTerminate(this);158    }159  }160  function IsTransformStreamDefaultController(x) {161    return hasOwnPropertyNoThrow(x, _controlledTransformStream);162  }163  function TransformStreamDefaultControllerEnqueue(controller, chunk) {164    const stream = controller[_controlledTransformStream];165    const readableController =166          binding.getReadableStreamController(stream[_readable]);167    if (!binding.ReadableStreamDefaultControllerCanCloseOrEnqueue(168        readableController)) {169      throw binding.getReadableStreamEnqueueError(stream[_readable]);170    }171    try {172      binding.ReadableStreamDefaultControllerEnqueue(readableController, chunk);173    } catch (e) {174      TransformStreamErrorWritableAndUnblockWrite(stream, e);175      throw binding.getReadableStreamStoredError(stream[_readable]);176    }177    const backpressure = binding.ReadableStreamDefaultControllerHasBackpressure(178        readableController);179    if (backpressure !== stream[_backpressure]) {180      // assert(backpressure, 'backpressure is true');181      TransformStreamSetBackpressure(stream, true);182    }183  }184  function TransformStreamDefaultControllerError(controller, e) {185    TransformStreamError(controller[_controlledTransformStream], e);186  }187  function TransformStreamDefaultControllerTerminate(controller) {188    const stream = controller[_controlledTransformStream];189    const readableController =190          binding.getReadableStreamController(stream[_readable]);191    if (binding.ReadableStreamDefaultControllerCanCloseOrEnqueue(192        readableController)) {193      binding.ReadableStreamDefaultControllerClose(readableController);194    }195    const error = new TypeError(errStreamTerminated);196    TransformStreamErrorWritableAndUnblockWrite(stream, error);197  }198  class TransformStreamDefaultSink {199    constructor(stream, startPromise) {200      this[_ownerTransformStream] = stream;201      this[_startPromise] = startPromise;202    }203    start() {204      const startPromise = this[_startPromise];205      // Permit GC of the promise.206      this[_startPromise] = undefined;207      return startPromise;208    }209    write(chunk) {210      const stream = this[_ownerTransformStream];211      // assert(212      //     binding.isWritableStreamWritable(stream[_writable]),213      //     `stream.[[writable]][[state]] is "writable"`);214      if (stream[_backpressure]) {215        const backpressureChangePromise = stream[_backpressureChangePromise];216        // assert(217        //     backpressureChangePromise !== undefined,218        //     `backpressureChangePromise is not undefined`);219        return thenPromise(backpressureChangePromise, () => {220          const writable = stream[_writable];221          if (binding.isWritableStreamErroring(writable)) {222            throw binding.getWritableStreamStoredError(writable);223          }224          // assert(225          //     binding.isWritableStreamWritable(writable),226          //     `state is "writable"`);227          return TransformStreamDefaultSinkTransform(this, chunk);228        });229      }230      return TransformStreamDefaultSinkTransform(this, chunk);231    }232    abort() {233      const e = new TypeError(errWritableStreamAborted);234      TransformStreamError(this[_ownerTransformStream], e);235    }236    close() {237      const stream = this[_ownerTransformStream];238      const readable = stream[_readable];239      const flushPromise = PromiseCallOrNoop1(240          stream[_transformer], 'flush', stream[_transformStreamController],241          'transformer.flush');242      return thenPromise(243          flushPromise,244          () => {245            if (binding.IsReadableStreamErrored(readable)) {246              throw binding.getReadableStreamStoredError(readable);247            }248            const readableController =249                  binding.getReadableStreamController(readable);250            if (binding.ReadableStreamDefaultControllerCanCloseOrEnqueue(251                readableController)) {252              binding.ReadableStreamDefaultControllerClose(readableController);253            }254          },255          r => {256            TransformStreamError(stream, r);257            throw binding.getReadableStreamStoredError(readable);258          });259    }260  }261  function TransformStreamDefaultSinkInvokeTransform(stream, chunk) {262    const controller = stream[_transformStreamController];263    const transformer = stream[_transformer];264    const method = transformer.transform;265    if (method === undefined) {266      TransformStreamDefaultControllerEnqueue(controller, chunk);267      return undefined;268    }269    if (typeof method !== 'function') {270      throw new TypeError(templateErrorIsNotAFunction('transform'));271    }272    return Function_call(method, transformer, chunk, controller);273  }274  function TransformStreamDefaultSinkTransform(sink, chunk) {275    const stream = sink[_ownerTransformStream];276    // assert(277    //     !binding.IsReadableStreamErrored(stream[_readable]),278    //     'stream.[[readable]].[[state]] is not "errored"');279    // assert(!stream[_backpressure], 'stream.[[backpressure]] is false');280    let transformPromise;281    try {282      transformPromise = Promise_resolve(283          TransformStreamDefaultSinkInvokeTransform(stream, chunk));284    } catch (e) {285      transformPromise = Promise_reject(e);286    }287    return thenPromise(transformPromise, undefined, e => {288      TransformStreamError(stream, e);289      throw e;290    });291  }292  class TransformStreamDefaultSource {293    constructor(stream, startPromise) {294      this[_ownerTransformStream] = stream;295      this[_startPromise] = startPromise;296    }297    start() {298      const startPromise = this[_startPromise];299      // Permit GC of the promise.300      this[_startPromise] = undefined;301      return startPromise;302    }...

transform_stream_controller.ts

Source:transform_stream_controller.ts

...146export function TransformStreamDefaultControllerError(147  controller: TransformStreamDefaultController,148  e149) {150  TransformStreamError(controller.controlledTransformStream, e);151}152export function TransformStreamDefaultControllerPerformTransform(153  controller: TransformStreamDefaultController,154  chunk155) {156  controller.transformAlgorithm(chunk).catch(r => {157    TransformStreamError(controller.controlledTransformStream, r);158    throw r;159  });160}161export function TransformStreamDefaultControllerTerminate(162  controller: TransformStreamDefaultController163) {164  const stream = controller.controlledTransformStream;165  const readableController = stream.readable.readableStreamController;166  if (ReadableStreamDefaultControllerCanCloseOrEnqueue(readableController)) {167    ReadableStreamDefaultControllerClose(readableController);168  }169  const error = new TypeError("stream ended");170  TransformStreamErrorWritableAndUnblockWrite(stream, error);171}172export function TransformStreamDefaultSinkWriteAlgorithm(173  stream: TransformStream,174  chunk175) {176  Assert(stream.writable.state === "writable");177  const controller = stream.transformStreamController;178  if (stream.backpressure) {179    const p = stream.backpressureChangePromise;180    Assert(p !== void 0);181    return p.then(() => {182      const writable = stream.writable;183      const { state } = writable;184      if (state === "erroring") {185        throw writable.storedError;186      }187      Assert(state === "writable");188      return TransformStreamDefaultControllerPerformTransform(189        controller,190        chunk191      );192    });193  }194  return TransformStreamDefaultControllerPerformTransform(controller, chunk);195}196export async function TransformStreamDefaultSinkAbortAlgorithm(197  stream: TransformStream,198  reason199) {200  TransformStreamError(stream, reason);201}202export function TransformStreamDefaultSinkCloseAlgorithm(203  stream: TransformStream204) {205  const { readable } = stream;206  const controller = stream.transformStreamController;207  const flushPromise = controller.flushAlgorithm();208  TransformStreamDefaultControllerClearAlgorithms(controller);209  return flushPromise210    .then(() => {211      if (readable.state === "errored") {212        throw readable.storedError;213      }214      const readableController = readable.readableStreamController;215      if (216        ReadableStreamDefaultControllerCanCloseOrEnqueue(readableController)217      ) {218        ReadableStreamDefaultControllerClose(readableController);219      }220    })221    .catch(r => {222      TransformStreamError(stream, r);223      throw readable.storedError;224    });225}226export function TransformStreamDefaultSourcePullAlgorithm(227  stream: TransformStream228) {229  Assert(stream.backpressure);230  Assert(stream.backpressureChangePromise !== void 0);231  TransformStreamSetBackpressure(stream, false);232  return stream.backpressureChangePromise;...

Using AI Code Generation

1function testTransformStreamError() {2  var ts = new TransformStream();3  var writer = ts.writable.getWriter();4  var reader = ts.readable.getReader();5  writer.write("a");6  writer.write("b");7  writer.write("c");8  writer.close();9  reader.read();

Using AI Code Generation

1import { TransformStreamError } from "./transform-stream-error.js";2import { TransformStream } from "./transform-stream.js";3const ts = new TransformStream();4const writer = ts.writable.getWriter();5const reader = ts.readable.getReader();6writer.write("a");7writer.write("b");8writer.write("c");9reader.read().then(v => console.log(v));10reader.read().then(v => console.log(v));11reader.read().then(v => console.log(v));12TransformStreamError(ts, new Error("boom"));13writer.write("d");14reader.read().then(v => console.log(v));15export function TransformStreamError(stream, e) {16  if (stream._writable !== undefined) {17    TransformStreamDefaultControllerErrorIfNeeded(stream._writable._controller, e);18  }19  TransformStreamErrorReadableAndUnblockWrite(stream, e);20  stream._backpressureChangePromise_fulfill();21  stream._backpressureChangePromise = new Promise(resolve => {22    stream._backpressureChangePromise_fulfill = resolve;23  });24}25function TransformStreamDefaultControllerErrorIfNeeded(controller, e) {26  if (controller._controlledTransformStream._state === "errored") {27    return;28  }29  TransformStreamDefaultControllerError(controller, e);30}31function TransformStreamDefaultControllerError(controller, e) {32  TransformStreamError(controller._controlledTransformStream, e);33}34function TransformStreamError(stream, e) {35  stream._state = "errored";36  stream._storedError = e;37}38function TransformStreamErrorReadableAndUnblockWrite(stream, e) {39  const readableController = stream._readable._controller;40  TransformStreamDefaultControllerClearAlgorithms(readableController);41  TransformStreamErrorReadable(readableController, e);42  if (stream._writable !== undefined) {43    TransformStreamDefaultControllerClearAlgorithms(stream._writable._controller);44  }45}46function TransformStreamDefaultControllerClearAlgorithms(controller) {47  controller._transformAlgorithm = undefined;48  controller._flushAlgorithm = undefined;49}50function TransformStreamErrorReadable(controller, e) {51  controller._closeRequested = true;52  ReadableStreamDefaultControllerError(controller, e);53}54function ReadableStreamDefaultControllerError(controller, e) {55  const stream = controller._controlledReadableStream;56  if (stream._state !== "readable") {57    return;58  }

Using AI Code Generation

1var TransformStreamError = require('wptools').TransformStreamError;2var stream = require('stream');3var tse = new TransformStreamError();4var rs = new stream.Readable();5var ws = new stream.Writable();6rs.pipe(tse).pipe(ws);7rs.push('hello');8rs.push(null);9tse.on('error', function(err) {10  console.log(err);11});12ws._write = function(data, encoding, callback) {13  console.log(data.toString());14  callback(new Error('oh no'));15};16var TransformStreamError = require('wptools').TransformStreamError;17var stream = require('stream');18var tse = new TransformStreamError();19var rs = new stream.Readable();20var ws = new stream.Writable();21rs.pipe(tse).pipe(ws);22rs.push('hello');23rs.push(null);24tse.on('error', function(err) {25  console.log(err);26});27ws._write = function(data, encoding, callback) {28  console.log(data.toString());29  callback(new Error('oh no'));30};31var TransformStreamError = require('wptools').TransformStreamError;32var stream = require('stream');33var tse = new TransformStreamError();34var rs = new stream.Readable();35var ws = new stream.Writable();36rs.pipe(tse).pipe(ws);37rs.push('hello');38rs.push(null);39tse.on('error', function(err) {40  console.log(err);41});42ws._write = function(data, encoding, callback) {43  console.log(data.toString());44  callback(new Error('oh no'));45};46var TransformStreamError = require('wptools').TransformStreamError;47var stream = require('stream');48var tse = new TransformStreamError();49var rs = new stream.Readable();

Using AI Code Generation

1var TransformStreamError = wpt.TransformStreamError;2var ts = new TransformStream();3TransformStreamError(ts, new Error('boom!'));4ts.readable.getReader().read().then(function(result) {5  if (result.done) {6    console.log('done');7  } else {8    console.log('value: ' + result.value);9  }10});11var TransformStreamError = wpt.TransformStreamError;12function TransformStream(transformer) {13  this._transformer = transformer;14  this._readable = new ReadableStream({15    start: function(controller) {16      this._readableController = controller;17    }.bind(this),18    pull: function(controller) {19      this._pullIntoReadQueue();20    }.bind(this)21  });22  this._writable = new WritableStream({23    start: function(controller) {24      this._writableController = controller;25    }.bind(this),26    write: function(chunk) {27      this._transform(chunk);28    }.bind(this),29    close: function() {30      this._flush();31    }.bind(this)32  });33  this._readableQueue = [];34  this._readableQueueTotalSize = 0;35  this._transforming = false;36  this._errored = false;37  this._transformStreamController = new TransformStreamController(this);38  this._transformer.start(this._transformStreamController);39}40TransformStream.prototype = {

Using AI Code Generation

1var TransformStreamError = require('web-platform-tests').TransformStreamError;2var TransformStream = require('web-platform-tests').TransformStream;3var t = new TransformStream();4var writer = t.writable.getWriter();5var reader = t.readable.getReader();6TransformStreamError(t, new Error('error'));7reader.closed.then(function() {8  console.log('closed');9});10writer.closed.then(function() {11  console.log('writer closed');12});13TransformStreamError(t, e)14WritableStreamError(stream, e)15ReadableStreamError(stream, e)16WritableStreamStartErroring(stream, e)17ReadableStreamStartErroring(stream, e)18WritableStreamFinishErroring(stream)195. If ! WritableStreamHasOperationMarkedInFlight(stream

Using AI Code Generation

1const wptools = require('wptools');2wptools.TransformStreamError('test.html', 'test2.html', 'test3.html');3const wptools = require('wptools');4wptools.TransformStreamError('test.html', 'test2.html', 'test3.html');5const wptools = require('wptools');6wptools.TransformStreamError('test.html', 'test2.html', 'test3.html');7const wptools = require('wptools');8wptools.TransformStreamError('test.html', 'test2.html', 'test3.html');9const wptools = require('wptools');10wptools.TransformStreamError('test.html', 'test2.html', 'test3.html');11const wptools = require('wptools');12wptools.TransformStreamError('test.html', 'test2.html', 'test3.html');13const wptools = require('wptools');14wptools.TransformStreamError('test.html', 'test2.html', 'test3.html');15const wptools = require('wptools');16wptools.TransformStreamError('test.html', 'test2.html', 'test3.html');17const wptools = require('wptools');18wptools.TransformStreamError('test.html', 'test2.html', 'test3.html');19const wptools = require('wptools');20wptools.TransformStreamError('test.html', 'test2.html', 'test3.html');

Using AI Code Generation

1var TransformStreamError = require('wpt').TransformStreamError;2var ts = new TransformStreamError();3ts.test();4var TransformStreamError = require('./TransformStreamError');5module.exports = TransformStreamError;6function TransformStreamError() {7}8TransformStreamError.prototype.test = function() {9    var rs = new ReadableStream({10        start(controller) {11            controller.enqueue("a");12            controller.enqueue("b");13            controller.enqueue("c");14        }15    });16    var ts = new TransformStream({17        transform(chunk, controller) {18            controller.enqueue(chunk.toUpperCase());19        }20    });21    var ws = new WritableStream({22        write(chunk) {23            console.log(chunk);24        }25    });26    var reader = rs.getReader();27    var writer = ws.getWriter();28    reader.read().then(function(result1) {29        return writer.write(result1.value);30    }).then(function() {31        return reader.read();32    }).then(function(result2) {33        return writer.write(result2.value);34    }).then(function() {35        return reader.read();36    }).then(function(result3) {37        return writer.write(result3.value);38    }).then(function() {39        return reader.read();40    }).then(function(result4) {41        return writer.write(result4.value);42    }).then(function() {43        return reader.closed;44    }).then(function() {45        return writer.close();46    });47    ts.writable.getWriter().close();

Using AI Code Generation

1const { TransformStreamError } = require('stream/web');2const { ReadableStream, WritableStream } = require('stream/web');3const { WritableStreamDefaultWriter } = require('stream/web');4const { ReadableStreamDefaultReader } = require('stream/web');5const readableStream = new ReadableStream({6  start(controller) {7    controller.enqueue('a');8    controller.enqueue('b');9    controller.enqueue('c');10  },11  pull(controller) {12    console.log('Pulling');13  },14  cancel(reason) {15    console.log('Cancelling', reason);16  }17});18const writableStream = new WritableStream({19  start(controller) {20    console.log('Starting');21  },22  write(chunk) {23    console.log(chunk);24  },25  close() {26    console.log('Closing');27  },28  abort(reason) {29    console.log('Aborting', reason);30  }31});32const writer = writableStream.getWriter();33const reader = readableStream.getReader();34const start = async () => {35  await writer.write('a');36  await writer.write('b');37  await writer.write('c');38  await writer.close();39};40start();

Using AI Code Generation

1wpt.TransformStreamError(error);2wpt.TransformStreamError(error);3wpt.TransformStreamError(error);4wpt.TransformStreamError(error);5wpt.TransformStreamError(error);6wpt.TransformStreamError(error);7wpt.TransformStreamError(error);8wpt.TransformStreamError(error);9wpt.TransformStreamError(error);

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