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How to use TransformStreamErrorInternal method in wpt

Best JavaScript code snippet using wpt

transformstream.js

Source:transformstream.js

...43function TransformStreamError(transformStream, e) {44  if (transformStream._errored === true) {45    throw new TypeError('TransformStream is already errored');46  }47  TransformStreamErrorInternal(transformStream, e);48}49// Abstract operations.50function TransformStreamCloseReadableInternal(transformStream) {51  assert(transformStream._errored === false);52  assert(transformStream._readableClosed === false);53  try {54    ReadableStreamDefaultControllerClose(transformStream._readableController);55  } catch (e) {56    assert(false);57  }58  transformStream._readableClosed = true;59}60function TransformStreamErrorIfNeeded(transformStream, e) {61  if (transformStream._errored === false) {62    TransformStreamErrorInternal(transformStream, e);63  }64}65function TransformStreamErrorInternal(transformStream, e) {66  // console.log('TransformStreamErrorInternal()');67  assert(transformStream._errored === false);68  transformStream._errored = true;69  transformStream._storedError = e;70  if (transformStream._writableDone === false) {71    WritableStreamDefaultControllerError(transformStream._writableController, e);72  }73  if (transformStream._readableClosed === false) {74    ReadableStreamDefaultControllerError(transformStream._readableController, e);75  }76}77// Used for preventing the next write() call on TransformStreamSink until there78// is no longer backpressure.79function TransformStreamReadableReadyPromise(transformStream) {80  assert(transformStream._backpressureChangePromise !== undefined,81         '_backpressureChangePromise should have been initialized');82  if (transformStream._backpressure === false) {83    return Promise.resolve();84  }85  assert(transformStream._backpressure === true, '_backpressure should have been initialized');86  return transformStream._backpressureChangePromise;87}88function TransformStreamSetBackpressure(transformStream, backpressure) {89  // console.log(`TransformStreamSetBackpressure(${backpressure})`);90  // Passes also when called during construction.91  assert(transformStream._backpressure !== backpressure,92         'TransformStreamSetBackpressure() should be called only when backpressure is changed');93  if (transformStream._backpressureChangePromise !== undefined) {94    // The fulfillment value is just for a sanity check.95    transformStream._backpressureChangePromise_resolve(backpressure);96  }97  transformStream._backpressureChangePromise = new Promise(resolve => {98    transformStream._backpressureChangePromise_resolve = resolve;99  });100  transformStream._backpressureChangePromise.then(resolution => {101    assert(resolution !== backpressure,102           '_backpressureChangePromise should be fulfilled only when backpressure is changed');103  });104  transformStream._backpressure = backpressure;105}106function TransformStreamDefaultTransform(chunk, transformStreamController) {107  const transformStream = transformStreamController._controlledTransformStream;108  TransformStreamEnqueueToReadable(transformStream, chunk);109  return Promise.resolve();110}111function TransformStreamTransform(transformStream, chunk) {112  // console.log('TransformStreamTransform()');113  assert(transformStream._errored === false);114  assert(transformStream._transforming === false);115  assert(transformStream._backpressure === false);116  transformStream._transforming = true;117  const transformer = transformStream._transformer;118  const controller = transformStream._transformStreamController;119  const transformPromise = PromiseInvokeOrPerformFallback(transformer, 'transform', [chunk, controller],120                             TransformStreamDefaultTransform, [chunk, controller]);121  return transformPromise.then(122    () => {123      transformStream._transforming = false;124      return TransformStreamReadableReadyPromise(transformStream);125    },126    e => {127      TransformStreamErrorIfNeeded(transformStream, e);128      return Promise.reject(e);129    });130}131function IsTransformStreamDefaultController(x) {132  if (!typeIsObject(x)) {133    return false;134  }135  if (!Object.prototype.hasOwnProperty.call(x, '_controlledTransformStream')) {136    return false;137  }138  return true;139}140function IsTransformStream(x) {141  if (!typeIsObject(x)) {142    return false;143  }144  if (!Object.prototype.hasOwnProperty.call(x, '_transformStreamController')) {145    return false;146  }147  return true;148}149class TransformStreamSink {150  constructor(transformStream, startPromise) {151    this._transformStream = transformStream;152    this._startPromise = startPromise;153  }154  start(c) {155    const transformStream = this._transformStream;156    transformStream._writableController = c;157    return this._startPromise.then(() => TransformStreamReadableReadyPromise(transformStream));158  }159  write(chunk) {160    // console.log('TransformStreamSink.write()');161    const transformStream = this._transformStream;162    return TransformStreamTransform(transformStream, chunk);163  }164  abort() {165    const transformStream = this._transformStream;166    transformStream._writableDone = true;167    TransformStreamErrorInternal(transformStream, new TypeError('Writable side aborted'));168  }169  close() {170    // console.log('TransformStreamSink.close()');171    const transformStream = this._transformStream;172    assert(transformStream._transforming === false);173    transformStream._writableDone = true;174    const flushPromise = PromiseInvokeOrNoop(transformStream._transformer,175                         'flush', [transformStream._transformStreamController]);176    // Return a promise that is fulfilled with undefined on success.177    return flushPromise.then(() => {178      if (transformStream._errored === true) {179        return Promise.reject(transformStream._storedError);180      }181      if (transformStream._readableClosed === false) {182        TransformStreamCloseReadableInternal(transformStream);183      }184      return Promise.resolve();185    }).catch(r => {186      TransformStreamErrorIfNeeded(transformStream, r);187      return Promise.reject(transformStream._storedError);188    });189  }190}191class TransformStreamSource {192  constructor(transformStream, startPromise) {193    this._transformStream = transformStream;194    this._startPromise = startPromise;195  }196  start(c) {197    const transformStream = this._transformStream;198    transformStream._readableController = c;199    return this._startPromise.then(() => {200      // Prevent the first pull() call until there is backpressure.201      assert(transformStream._backpressureChangePromise !== undefined,202             '_backpressureChangePromise should have been initialized');203      if (transformStream._backpressure === true) {204        return Promise.resolve();205      }206      assert(transformStream._backpressure === false, '_backpressure should have been initialized');207      return transformStream._backpressureChangePromise;208    });209  }210  pull() {211    // console.log('TransformStreamSource.pull()');212    const transformStream = this._transformStream;213    // Invariant. Enforced by the promises returned by start() and pull().214    assert(transformStream._backpressure === true, 'pull() should be never called while _backpressure is false');215    assert(transformStream._backpressureChangePromise !== undefined,216           '_backpressureChangePromise should have been initialized');217    TransformStreamSetBackpressure(transformStream, false);218    // Prevent the next pull() call until there is backpressure.219    return transformStream._backpressureChangePromise;220  }221  cancel() {222    const transformStream = this._transformStream;223    transformStream._readableClosed = true;224    TransformStreamErrorInternal(transformStream, new TypeError('Readable side canceled'));225  }226}227class TransformStreamDefaultController {228  constructor(transformStream) {229    if (IsTransformStream(transformStream) === false) {230      throw new TypeError('TransformStreamDefaultController can only be ' +231                          'constructed with a TransformStream instance');232    }233    if (transformStream._transformStreamController !== undefined) {234      throw new TypeError('TransformStreamDefaultController instances can ' +235                          'only be created by the TransformStream constructor');236    }237    this._controlledTransformStream = transformStream;238  }...

transform-stream.js

Source:transform-stream.js

...50function TransformStreamError(transformStream, e) {51  if (transformStream._errored === true) {52    throw new TypeError('TransformStream is already errored');53  }54  TransformStreamErrorInternal(transformStream, e);55}56// Abstract operations.57function TransformStreamCloseReadableInternal(transformStream) {58  assert(transformStream._errored === false);59  assert(transformStream._readableClosed === false);60  try {61    ReadableStreamDefaultControllerClose(transformStream._readableController);62  } catch (e) {63    assert(false);64  }65  transformStream._readableClosed = true;66}67function TransformStreamErrorIfNeeded(transformStream, e) {68  if (transformStream._errored === false) {69    TransformStreamErrorInternal(transformStream, e);70  }71}72function TransformStreamErrorInternal(transformStream, e) {73  // console.log('TransformStreamErrorInternal()');74  assert(transformStream._errored === false);75  transformStream._errored = true;76  transformStream._storedError = e;77  if (transformStream._writableDone === false) {78    WritableStreamDefaultControllerError(transformStream._writableController, e);79  }80  if (transformStream._readableClosed === false) {81    ReadableStreamDefaultControllerError(transformStream._readableController, e);82  }83}84// Used for preventing the next write() call on TransformStreamSink until there85// is no longer backpressure.86function TransformStreamReadableReadyPromise(transformStream) {87  assert(transformStream._backpressureChangePromise !== undefined,88         '_backpressureChangePromise should have been initialized');89  if (transformStream._backpressure === false) {90    return Promise.resolve();91  }92  assert(transformStream._backpressure === true, '_backpressure should have been initialized');93  return transformStream._backpressureChangePromise;94}95function TransformStreamSetBackpressure(transformStream, backpressure) {96  // console.log(`TransformStreamSetBackpressure(${backpressure})`);97  // Passes also when called during construction.98  assert(transformStream._backpressure !== backpressure,99         'TransformStreamSetBackpressure() should be called only when backpressure is changed');100  if (transformStream._backpressureChangePromise !== undefined) {101    // The fulfillment value is just for a sanity check.102    transformStream._backpressureChangePromise_resolve(backpressure);103  }104  transformStream._backpressureChangePromise = new Promise(resolve => {105    transformStream._backpressureChangePromise_resolve = resolve;106  });107  transformStream._backpressureChangePromise.then(resolution => {108    assert(resolution !== backpressure,109           '_backpressureChangePromise should be fulfilled only when backpressure is changed');110  });111  transformStream._backpressure = backpressure;112}113function TransformStreamDefaultTransform(chunk, transformStreamController) {114  const transformStream = transformStreamController._controlledTransformStream;115  TransformStreamEnqueueToReadable(transformStream, chunk);116  return Promise.resolve();117}118function TransformStreamTransform(transformStream, chunk) {119  // console.log('TransformStreamTransform()');120  assert(transformStream._errored === false);121  assert(transformStream._transforming === false);122  assert(transformStream._backpressure === false);123  transformStream._transforming = true;124  const transformer = transformStream._transformer;125  const controller = transformStream._transformStreamController;126  const transformPromise = PromiseInvokeOrPerformFallback(transformer, 'transform', [chunk, controller],127                             TransformStreamDefaultTransform, [chunk, controller]);128  return transformPromise.then(129    () => {130      transformStream._transforming = false;131      return TransformStreamReadableReadyPromise(transformStream);132    },133    e => {134      TransformStreamErrorIfNeeded(transformStream, e);135      return Promise.reject(e);136    });137}138function IsTransformStreamDefaultController(x) {139  if (!typeIsObject(x)) {140    return false;141  }142  if (!Object.prototype.hasOwnProperty.call(x, '_controlledTransformStream')) {143    return false;144  }145  return true;146}147function IsTransformStream(x) {148  if (!typeIsObject(x)) {149    return false;150  }151  if (!Object.prototype.hasOwnProperty.call(x, '_transformStreamController')) {152    return false;153  }154  return true;155}156class TransformStreamSink {157  constructor(transformStream, startPromise) {158    this._transformStream = transformStream;159    this._startPromise = startPromise;160  }161  start(c) {162    const transformStream = this._transformStream;163    transformStream._writableController = c;164    return this._startPromise.then(() => TransformStreamReadableReadyPromise(transformStream));165  }166  write(chunk) {167    // console.log('TransformStreamSink.write()');168    const transformStream = this._transformStream;169    return TransformStreamTransform(transformStream, chunk);170  }171  abort() {172    const transformStream = this._transformStream;173    transformStream._writableDone = true;174    TransformStreamErrorInternal(transformStream, new TypeError('Writable side aborted'));175  }176  close() {177    // console.log('TransformStreamSink.close()');178    const transformStream = this._transformStream;179    assert(transformStream._transforming === false);180    transformStream._writableDone = true;181    const flushPromise = PromiseInvokeOrNoop(transformStream._transformer,182                         'flush', [transformStream._transformStreamController]);183    // Return a promise that is fulfilled with undefined on success.184    return flushPromise.then(() => {185      if (transformStream._errored === true) {186        return Promise.reject(transformStream._storedError);187      }188      if (transformStream._readableClosed === false) {189        TransformStreamCloseReadableInternal(transformStream);190      }191      return Promise.resolve();192    }).catch(r => {193      TransformStreamErrorIfNeeded(transformStream, r);194      return Promise.reject(transformStream._storedError);195    });196  }197}198class TransformStreamSource {199  constructor(transformStream, startPromise) {200    this._transformStream = transformStream;201    this._startPromise = startPromise;202  }203  start(c) {204    const transformStream = this._transformStream;205    transformStream._readableController = c;206    return this._startPromise.then(() => {207      // Prevent the first pull() call until there is backpressure.208      assert(transformStream._backpressureChangePromise !== undefined,209             '_backpressureChangePromise should have been initialized');210      if (transformStream._backpressure === true) {211        return Promise.resolve();212      }213      assert(transformStream._backpressure === false, '_backpressure should have been initialized');214      return transformStream._backpressureChangePromise;215    });216  }217  pull() {218    // console.log('TransformStreamSource.pull()');219    const transformStream = this._transformStream;220    // Invariant. Enforced by the promises returned by start() and pull().221    assert(transformStream._backpressure === true, 'pull() should be never called while _backpressure is false');222    assert(transformStream._backpressureChangePromise !== undefined,223           '_backpressureChangePromise should have been initialized');224    TransformStreamSetBackpressure(transformStream, false);225    // Prevent the next pull() call until there is backpressure.226    return transformStream._backpressureChangePromise;227  }228  cancel() {229    const transformStream = this._transformStream;230    transformStream._readableClosed = true;231    TransformStreamErrorInternal(transformStream, new TypeError('Readable side canceled'));232  }233}234class TransformStreamDefaultController {235  constructor(transformStream) {236    if (IsTransformStream(transformStream) === false) {237      throw new TypeError('TransformStreamDefaultController can only be ' +238                          'constructed with a TransformStream instance');239    }240    if (transformStream._transformStreamController !== undefined) {241      throw new TypeError('TransformStreamDefaultController instances can ' +242                          'only be created by the TransformStream constructor');243    }244    this._controlledTransformStream = transformStream;245  }...

Using AI Code Generation

1import { TransformStreamErrorInternal } from './resources/transform-stream-error-internal.js';2import { TransformStream } from './resources/transform-stream.js';3promise_test(() => {4  const ts = new TransformStream();5  const writer = ts.writable.getWriter();6  const reader = ts.readable.getReader();7  const e = new Error('aiee');8  TransformStreamErrorInternal(ts, e);9  return Promise.all([10    promise_rejects(t, e, writer.closed, 'writer.closed'),11    promise_rejects(t, e, reader.closed, 'reader.closed'),12    promise_rejects(t, e, writer.ready, 'writer.ready'),13    promise_rejects(t, e, reader.ready, 'reader.ready'),14    promise_rejects(t, e, writer.write(), 'writer.write()'),15    promise_rejects(t, e, reader.read(), 'reader.read()'),16  ]);17}, 'TransformStreamErrorInternal should reject all promises');18import './test.js';19export function TransformStreamErrorInternal(stream, e) {

Using AI Code Generation

1'use strict';2const { TransformStream, TransformStreamErrorInternal } = require('stream/web');3const ts = new TransformStream({4  transform(chunk, controller) {5    controller.enqueue(chunk);6  }7});8const writer = ts.writable.getWriter();9const reader = ts.readable.getReader();10writer.write('a');11writer.write('b');12writer.write('c');13reader.read().then(14  ({ value, done }) => {15    console.log(value, done);16    TransformStreamErrorInternal(ts, new Error('boom'));17  },18  (e) => {19    console.log(e);20  }21);22reader.read().then(23  ({ value, done }) => {24    console.log(value, done);25  },26  (e) => {27    console.log(e);28  }29);30reader.read().then(31  ({ value, done }) => {32    console.log(value, done);33  },34  (e) => {35    console.log(e);36  }37);

Using AI Code Generation

1import { TransformStreamErrorInternal } from './resources/ts-utils.js';2import { ReadableStream } from './resources/readable-stream.js';3import { WritableStream } from './resources/writable-stream.js';4const ts = new TransformStream({5  transform() {6    return new Promise(() => {});7  }8});9const reader = ts.readable.getReader();10const writer = ts.writable.getWriter();11writer.write('a').then(() => {12  writer.close();13});14reader.read().then(15  () => TransformStreamErrorInternal(ts, new Error('boom')),16  r => TransformStreamErrorInternal(ts, r)17);18reader.read().then(19  r => console.log('read() should not resolve: ' + r),20  r => console.log('read() should not reject: ' + r)21);22const writer2 = ts.writable.getWriter();23writer2.write('b').then(24  () => console.log('write() should not resolve'),25  r => console.log('write() should not reject: ' + r)26);27writer2.close().then(28  () => console.log('close() should not resolve'),29  r => console.log('close() should not reject: ' + r)30);31read() should not reject: boom32write() should not resolve33close() should not resolve

Using AI Code Generation

1function TransformStreamErrorInternal (stream, e) {2  if (stream._errored === undefined) {3    stream._errored = e;4    if (stream._writable !== undefined) {5      WritableStreamErrorInternal(stream._writable, e);6    }7    if (stream._readable !== undefined) {8      ReadableStreamErrorInternal(stream._readable, e);9    }10  }11}12function TransformStreamErrorInternal (stream, e) {13  if (stream._errored === undefined) {14    stream._errored = e;15    if (stream._writable !== undefined) {16      WritableStreamErrorInternal(stream._writable, e);17    }18    if (stream._readable !== undefined) {19      ReadableStreamErrorInternal(stream._readable, e);20    }21  }22}23function TransformStreamErrorInternal (stream, e) {24  if (stream._errored === undefined) {25    stream._errored = e;26    if (stream._writable !== undefined) {27      WritableStreamErrorInternal(stream._writable, e);28    }29    if (stream._readable !== undefined) {30      ReadableStreamErrorInternal(stream._readable, e);31    }32  }33}34function TransformStreamErrorInternal (stream, e) {35  if (stream._errored === undefined) {36    stream._errored = e;37    if (stream._writable !== undefined) {38      WritableStreamErrorInternal(stream._writable, e);39    }40    if (stream._readable !== undefined) {41      ReadableStreamErrorInternal(stream._readable, e);42    }43  }44}45function TransformStreamErrorInternal (stream, e) {46  if (stream._errored === undefined) {47    stream._errored = e;48    if (stream._writable !== undefined) {49      WritableStreamErrorInternal(stream._writable, e);50    }51    if (stream._readable !== undefined) {52      ReadableStreamErrorInternal(stream._readable, e);53    }

Using AI Code Generation

1var t = new TransformStream();2var rs = t.readable;3var ws = t.writable;4var writer = ws.getWriter();5var reader = rs.getReader();6writer.write("a");7writer.close();8var t = new TransformStream();9var rs = t.readable;10var ws = t.writable;11var writer = ws.getWriter();12var reader = rs.getReader();13writer.write("a");14writer.close();15reader.read();16reader.read();17reader.read();

Using AI Code Generation

1var ts = new TransformStream();2var writer = ts.writable.getWriter();3var reader = ts.readable.getReader();4writer.write("a").then(function() {5  assert_unreached("writer.write should reject");6}, function(r) {7  assert_equals(r.name, "TypeError", "writer.write should reject with TypeError");8});9writer.close().then(function() {10  assert_unreached("writer.close should reject");11}, function(r) {12  assert_equals(r.name, "TypeError", "writer.close should reject with TypeError");13});14writer.abort().then(function() {15  assert_unreached("writer.abort should reject");16}, function(r) {17  assert_equals(r.name, "TypeError", "writer.abort should reject with TypeError");18});19reader.read().then(function() {20  assert_unreached("reader.read should reject");21}, function(r) {22  assert_equals(r.name, "TypeError", "reader.read should reject with TypeError");23});24reader.releaseLock();25var ts = new TransformStream();26var writer = ts.writable.getWriter();27var reader = ts.readable.getReader();28writer.write("a").then(function() {29  assert_unreached("writer.write should reject");30}, function(r) {31  assert_equals(r.name, "TypeError", "writer.write should reject with TypeError");32});33writer.close().then(function() {34  assert_unreached("writer.close should reject");35}, function(r) {36  assert_equals(r.name, "TypeError", "writer.close should reject with TypeError");37});38writer.abort().then(function() {39  assert_unreached("writer.abort should reject");40}, function(r) {41  assert_equals(r.name, "TypeError", "writer.abort should reject with TypeError");42});43reader.read().then(function() {44  assert_unreached("reader.read should reject");45}, function(r) {46  assert_equals(r.name, "TypeError", "reader.read should reject with TypeError");47});48reader.releaseLock();49var ts = new TransformStream();50var writer = ts.writable.getWriter();51var reader = ts.readable.getReader();52writer.write("a").then(function() {53  assert_unreached("writer.write should reject");54}, function(r) {55  assert_equals(r.name, "TypeError", "writer.write should reject with TypeError");56});57writer.close().then(function() {58  assert_unreached("writer.close should reject

Using AI Code Generation

1let ts = new TransformStream();2let writer = ts.writable.getWriter();3writer.write('a');4writer.abort('b');5let ts = new TransformStream();6let writer = ts.writable.getWriter();7writer.write('a');8writer.close();9let ts = new TransformStream();10let writer = ts.writable.getWriter();11writer.write('a');12writer.releaseLock();13ts.writable.getWriter().abort('b');14let ts = new TransformStream();15let writer = ts.writable.getWriter();16writer.write('a');17writer.releaseLock();18ts.writable.getWriter().close();19let ts = new TransformStream();20let writer = ts.writable.getWriter();21writer.write('a');22writer.releaseLock();23ts.writable.getWriter().write('b');24let ts = new TransformStream();25let writer = ts.writable.getWriter();26writer.write('a');27writer.releaseLock();28ts.writable.getWriter().releaseLock();29let ts = new TransformStream();30let writer = ts.writable.getWriter();31writer.write('a');32writer.releaseLock();33ts.writable.getWriter().write('b');34let ts = new TransformStream();35let writer = ts.writable.getWriter();36writer.write('a');37writer.releaseLock();38ts.writable.getWriter().write('b');39let ts = new TransformStream();40let writer = ts.writable.getWriter();41writer.write('a');42writer.releaseLock();43ts.writable.getWriter().write('b');44let ts = new TransformStream();45let writer = ts.writable.getWriter();46writer.write('a');47writer.releaseLock();48ts.writable.getWriter().write('b');49let ts = new TransformStream();50let writer = ts.writable.getWriter();51writer.write('a');52writer.releaseLock();53ts.writable.getWriter().write('b');54let ts = new TransformStream();

Using AI Code Generation

1var TransformStreamErrorInternal = wpt.TransformStreamErrorInternal;2var ts = new TransformStream();3TransformStreamErrorInternal(ts, new Error('boom!'));4TransformStreamErrorInternal: function(stream, e) {5  TransformStreamError(stream._transformStreamController, e);6}7TransformStreamError: function(controller, e) {8}

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