How to use IsReadableStreamLocked method in wpt

Best JavaScript code snippet using wpt

ReadableStream.js

Source:ReadableStream.js Github

copy

Full Screen

...118 get locked() {119 if (IsReadableStream(this) === false) {120 throw new TypeError(errIllegalInvocation);121 }122 return IsReadableStreamLocked(this);123 }124 cancel(reason) {125 if (IsReadableStream(this) === false) {126 return Promise_reject(new TypeError(errIllegalInvocation));127 }128 if (IsReadableStreamLocked(this) === true) {129 return Promise_reject(new TypeError(errCancelLockedStream));130 }131 return CancelReadableStream(this, reason);132 }133 getReader() {134 if (IsReadableStream(this) === false) {135 throw new TypeError(errIllegalInvocation);136 }137 return AcquireReadableStreamReader(this);138 }139 tee() {140 if (IsReadableStream(this) === false) {141 throw new TypeError(errIllegalInvocation);142 }143 return TeeReadableStream(this);144 }145 }146 class ReadableStreamController {147 constructor(stream) {148 if (IsReadableStream(stream) === false) {149 throw new TypeError(errIllegalConstructor);150 }151 if (stream[readableStreamController] !== undefined) {152 throw new TypeError(errIllegalConstructor);153 }154 this[readableStreamControllerControlledReadableStream] = stream;155 }156 get desiredSize() {157 if (IsReadableStreamController(this) === false) {158 throw new TypeError(errIllegalInvocation);159 }160 return GetReadableStreamDesiredSize(161 this[readableStreamControllerControlledReadableStream]);162 }163 close() {164 if (IsReadableStreamController(this) === false) {165 throw new TypeError(errIllegalInvocation);166 }167 const stream = this[readableStreamControllerControlledReadableStream];168 if (stream[readableStreamBits] & CLOSE_REQUESTED) {169 throw new TypeError(errCloseCloseRequestedStream);170 }171 if (stream[readableStreamState] === STATE_ERRORED) {172 throw new TypeError(errCloseErroredStream);173 }174 return CloseReadableStream(stream);175 }176 enqueue(chunk) {177 if (IsReadableStreamController(this) === false) {178 throw new TypeError(errIllegalInvocation);179 }180 const stream = this[readableStreamControllerControlledReadableStream];181 if (stream[readableStreamState] === STATE_ERRORED) {182 throw stream[readableStreamStoredError];183 }184 if (stream[readableStreamBits] & CLOSE_REQUESTED) {185 throw new TypeError(errEnqueueInCloseRequestedStream);186 }187 return EnqueueInReadableStream(stream, chunk);188 }189 error(e) {190 if (IsReadableStreamController(this) === false) {191 throw new TypeError(errIllegalInvocation);192 }193 const stream = this[readableStreamControllerControlledReadableStream];194 const state = stream[readableStreamState];195 if (state !== STATE_READABLE) {196 if (state === STATE_ERRORED) {197 throw new TypeError(errErrorErroredStream);198 }199 if (state === STATE_CLOSED) {200 throw new TypeError(errErrorClosedStream);201 }202 }203 return ErrorReadableStream(stream, e);204 }205 }206 class ReadableStreamReader {207 constructor(stream) {208 if (IsReadableStream(stream) === false) {209 throw new TypeError(errReaderConstructorBadArgument);210 }211 if (IsReadableStreamLocked(stream) === true) {212 throw new TypeError(errReaderConstructorStreamAlreadyLocked);213 }214 this[readableStreamReaderOwnerReadableStream] = stream;215 stream[readableStreamReader] = this;216 this[readableStreamReaderReadRequests] = new v8.InternalPackedArray();217 switch (stream[readableStreamState]) {218 case STATE_READABLE:219 this[readableStreamReaderClosedPromise] = v8.createPromise();220 break;221 case STATE_CLOSED:222 this[readableStreamReaderClosedPromise] = Promise_resolve(undefined);223 break;224 case STATE_ERRORED:225 this[readableStreamReaderClosedPromise] =226 Promise_reject(stream[readableStreamStoredError]);227 break;228 }229 }230 get closed() {231 if (IsReadableStreamReader(this) === false) {232 return Promise_reject(new TypeError(errIllegalInvocation));233 }234 return this[readableStreamReaderClosedPromise];235 }236 cancel(reason) {237 if (IsReadableStreamReader(this) === false) {238 return Promise_reject(new TypeError(errIllegalInvocation));239 }240 const stream = this[readableStreamReaderOwnerReadableStream];241 if (stream === undefined) {242 return Promise_reject(new TypeError(errCancelReleasedReader));243 }244 return CancelReadableStream(stream, reason);245 }246 read() {247 if (IsReadableStreamReader(this) === false) {248 return Promise_reject(new TypeError(errIllegalInvocation));249 }250 if (this[readableStreamReaderOwnerReadableStream] === undefined) {251 return Promise_reject(new TypeError(errReadReleasedReader));252 }253 return ReadFromReadableStreamReader(this);254 }255 releaseLock() {256 if (IsReadableStreamReader(this) === false) {257 throw new TypeError(errIllegalInvocation);258 }259 const stream = this[readableStreamReaderOwnerReadableStream];260 if (stream === undefined) {261 return undefined;262 }263 if (this[readableStreamReaderReadRequests].length > 0) {264 throw new TypeError(errReleaseReaderWithPendingRead);265 }266 if (stream[readableStreamState] === STATE_READABLE) {267 v8.rejectPromise(this[readableStreamReaderClosedPromise],268 new TypeError(errReleasedReaderClosedPromise));269 } else {270 this[readableStreamReaderClosedPromise] = Promise_reject(new TypeError(271 errReleasedReaderClosedPromise));272 }273 this[readableStreamReaderOwnerReadableStream][readableStreamReader] =274 undefined;275 this[readableStreamReaderOwnerReadableStream] = undefined;276 }277 }278 //279 // Readable stream abstract operations280 //281 function AcquireReadableStreamReader(stream) {282 return new ReadableStreamReader(stream);283 }284 function CancelReadableStream(stream, reason) {285 stream[readableStreamBits] |= DISTURBED;286 const state = stream[readableStreamState];287 if (state === STATE_CLOSED) {288 return Promise_resolve(undefined);289 }290 if (state === STATE_ERRORED) {291 return Promise_reject(stream[readableStreamStoredError]);292 }293 stream[readableStreamQueue] = new v8.InternalPackedArray();294 FinishClosingReadableStream(stream);295 const underlyingSource = stream[readableStreamUnderlyingSource];296 const sourceCancelPromise = PromiseCallOrNoop(297 underlyingSource, 'cancel', reason, 'underlyingSource.cancel');298 return thenPromise(sourceCancelPromise, () => undefined);299 }300 function CloseReadableStream(stream) {301 if (stream[readableStreamState] === STATE_CLOSED) {302 return undefined;303 }304 stream[readableStreamBits] |= CLOSE_REQUESTED;305 if (stream[readableStreamQueue].length === 0) {306 return FinishClosingReadableStream(stream);307 }308 }309 function EnqueueInReadableStream(stream, chunk) {310 if (stream[readableStreamState] === STATE_CLOSED) {311 return undefined;312 }313 if (IsReadableStreamLocked(stream) === true &&314 stream[readableStreamReader][readableStreamReaderReadRequests].length >315 0) {316 const readRequest =317 stream[readableStreamReader][readableStreamReaderReadRequests]318 .shift();319 v8.resolvePromise(readRequest, CreateIterResultObject(chunk, false));320 } else {321 let chunkSize = 1;322 const strategySize = stream[readableStreamStrategySize];323 if (strategySize !== undefined) {324 try {325 chunkSize = strategySize(chunk);326 } catch (chunkSizeE) {327 if (stream[readableStreamState] === STATE_READABLE) {328 ErrorReadableStream(stream, chunkSizeE);329 }330 throw chunkSizeE;331 }332 }333 try {334 EnqueueValueWithSize(stream, chunk, chunkSize);335 } catch (enqueueE) {336 if (stream[readableStreamState] === STATE_READABLE) {337 ErrorReadableStream(stream, enqueueE);338 }339 throw enqueueE;340 }341 }342 RequestReadableStreamPull(stream);343 }344 function ErrorReadableStream(stream, e) {345 stream[readableStreamQueue] = new v8.InternalPackedArray();346 stream[readableStreamStoredError] = e;347 stream[readableStreamState] = STATE_ERRORED;348 const reader = stream[readableStreamReader];349 if (reader === undefined) {350 return undefined;351 }352 const readRequests = reader[readableStreamReaderReadRequests];353 for (let i = 0; i < readRequests.length; ++i) {354 v8.rejectPromise(readRequests[i], e);355 }356 reader[readableStreamReaderReadRequests] = new v8.InternalPackedArray();357 v8.rejectPromise(reader[readableStreamReaderClosedPromise], e);358 }359 function FinishClosingReadableStream(stream) {360 stream[readableStreamState] = STATE_CLOSED;361 const reader = stream[readableStreamReader];362 if (reader === undefined) {363 return undefined;364 }365 const readRequests = reader[readableStreamReaderReadRequests];366 for (let i = 0; i < readRequests.length; ++i) {367 v8.resolvePromise(368 readRequests[i], CreateIterResultObject(undefined, true));369 }370 reader[readableStreamReaderReadRequests] = new v8.InternalPackedArray();371 v8.resolvePromise(reader[readableStreamReaderClosedPromise], undefined);372 }373 function GetReadableStreamDesiredSize(stream) {374 const queueSize = GetTotalQueueSize(stream);375 return stream[readableStreamStrategyHWM] - queueSize;376 }377 function IsReadableStream(x) {378 return hasOwnProperty(x, readableStreamUnderlyingSource);379 }380 function IsReadableStreamDisturbed(stream) {381 return stream[readableStreamBits] & DISTURBED;382 }383 function IsReadableStreamLocked(stream) {384 return stream[readableStreamReader] !== undefined;385 }386 function IsReadableStreamController(x) {387 return hasOwnProperty(x, readableStreamControllerControlledReadableStream);388 }389 function IsReadableStreamReader(x) {390 return hasOwnProperty(x, readableStreamReaderOwnerReadableStream);391 }392 function ReadFromReadableStreamReader(reader) {393 const stream = reader[readableStreamReaderOwnerReadableStream];394 stream[readableStreamBits] |= DISTURBED;395 if (stream[readableStreamState] === STATE_CLOSED) {396 return Promise_resolve(CreateIterResultObject(undefined, true));397 }398 if (stream[readableStreamState] === STATE_ERRORED) {399 return Promise_reject(stream[readableStreamStoredError]);400 }401 const queue = stream[readableStreamQueue];402 if (queue.length > 0) {403 const chunk = DequeueValue(stream);404 if (stream[readableStreamBits] & CLOSE_REQUESTED && queue.length === 0) {405 FinishClosingReadableStream(stream);406 } else {407 RequestReadableStreamPull(stream);408 }409 return Promise_resolve(CreateIterResultObject(chunk, false));410 } else {411 const readRequest = v8.createPromise();412 reader[readableStreamReaderReadRequests].push(readRequest);413 RequestReadableStreamPull(stream);414 return readRequest;415 }416 }417 function RequestReadableStreamPull(stream) {418 const shouldPull = ShouldReadableStreamPull(stream);419 if (shouldPull === false) {420 return undefined;421 }422 if (stream[readableStreamBits] & PULLING) {423 stream[readableStreamBits] |= PULL_AGAIN;424 return undefined;425 }426 stream[readableStreamBits] |= PULLING;427 const underlyingSource = stream[readableStreamUnderlyingSource];428 const controller = stream[readableStreamController];429 const pullPromise = PromiseCallOrNoop(430 underlyingSource, 'pull', controller, 'underlyingSource.pull');431 thenPromise(pullPromise,432 () => {433 stream[readableStreamBits] &= ~PULLING;434 if (stream[readableStreamBits] & PULL_AGAIN) {435 stream[readableStreamBits] &= ~PULL_AGAIN;436 return RequestReadableStreamPull(stream);437 }438 },439 e => {440 if (stream[readableStreamState] === STATE_READABLE) {441 return ErrorReadableStream(stream, e);442 }443 });444 }445 function ShouldReadableStreamPull(stream) {446 const state = stream[readableStreamState];447 if (state === STATE_CLOSED || state === STATE_ERRORED) {448 return false;449 }450 if (stream[readableStreamBits] & CLOSE_REQUESTED) {451 return false;452 }453 if (!(stream[readableStreamBits] & STARTED)) {454 return false;455 }456 if (IsReadableStreamLocked(stream) === true) {457 const reader = stream[readableStreamReader];458 const readRequests = reader[readableStreamReaderReadRequests];459 if (readRequests.length > 0) {460 return true;461 }462 }463 const desiredSize = GetReadableStreamDesiredSize(stream);464 if (desiredSize > 0) {465 return true;466 }467 return false;468 }469 // Potential future optimization: use class instances for the underlying470 // sources, so that we don't re-create...

Full Screen

Full Screen

readable_stream.ts

Source:readable_stream.ts Github

copy

Full Screen

1// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.2import {3 acquireReadableStreamDefaultReader,4 initializeReadableStream,5 isReadableStream,6 isReadableStreamLocked,7 isUnderlyingByteSource,8 isWritableStream,9 isWritableStreamLocked,10 makeSizeAlgorithmFromSizeFunction,11 setFunctionName,12 setPromiseIsHandledToTrue,13 readableStreamCancel,14 ReadableStreamGenericReader,15 readableStreamPipeTo,16 readableStreamTee,17 setUpReadableByteStreamControllerFromUnderlyingSource,18 setUpReadableStreamDefaultControllerFromUnderlyingSource,19 validateAndNormalizeHighWaterMark,20} from "./internals.ts";21import { ReadableByteStreamControllerImpl } from "./readable_byte_stream_controller.ts";22import { ReadableStreamAsyncIteratorPrototype } from "./readable_stream_async_iterator.ts";23import { ReadableStreamDefaultControllerImpl } from "./readable_stream_default_controller.ts";24import * as sym from "./symbols.ts";25import { customInspect } from "../console.ts";26import { AbortSignalImpl } from "../abort_signal.ts";27// eslint-disable-next-line @typescript-eslint/no-explicit-any28export class ReadableStreamImpl<R = any> implements ReadableStream<R> {29 [sym.disturbed]: boolean;30 [sym.readableStreamController]:31 | ReadableStreamDefaultControllerImpl<R>32 | ReadableByteStreamControllerImpl;33 [sym.reader]: ReadableStreamGenericReader<R> | undefined;34 [sym.state]: "readable" | "closed" | "errored";35 // eslint-disable-next-line @typescript-eslint/no-explicit-any36 [sym.storedError]: any;37 constructor(38 underlyingSource: UnderlyingByteSource | UnderlyingSource<R> = {},39 strategy:40 | {41 highWaterMark?: number;42 size?: undefined;43 }44 | QueuingStrategy<R> = {}45 ) {46 initializeReadableStream(this);47 const { size } = strategy;48 let { highWaterMark } = strategy;49 const { type } = underlyingSource;50 if (isUnderlyingByteSource(underlyingSource)) {51 if (size !== undefined) {52 throw new RangeError(53 `When underlying source is "bytes", strategy.size must be undefined.`54 );55 }56 highWaterMark = validateAndNormalizeHighWaterMark(highWaterMark ?? 0);57 setUpReadableByteStreamControllerFromUnderlyingSource(58 this,59 underlyingSource,60 highWaterMark61 );62 } else if (type === undefined) {63 const sizeAlgorithm = makeSizeAlgorithmFromSizeFunction(size);64 highWaterMark = validateAndNormalizeHighWaterMark(highWaterMark ?? 1);65 setUpReadableStreamDefaultControllerFromUnderlyingSource(66 this,67 underlyingSource,68 highWaterMark,69 sizeAlgorithm70 );71 } else {72 throw new RangeError(73 `Valid values for underlyingSource are "bytes" or undefined. Received: "${type}".`74 );75 }76 }77 get locked(): boolean {78 if (!isReadableStream(this)) {79 throw new TypeError("Invalid ReadableStream.");80 }81 return isReadableStreamLocked(this);82 }83 // eslint-disable-next-line @typescript-eslint/no-explicit-any84 cancel(reason?: any): Promise<void> {85 if (!isReadableStream(this)) {86 return Promise.reject(new TypeError("Invalid ReadableStream."));87 }88 if (isReadableStreamLocked(this)) {89 return Promise.reject(90 new TypeError("Cannot cancel a locked ReadableStream.")91 );92 }93 return readableStreamCancel(this, reason);94 }95 getIterator({96 preventCancel,97 }: { preventCancel?: boolean } = {}): AsyncIterableIterator<R> {98 if (!isReadableStream(this)) {99 throw new TypeError("Invalid ReadableStream.");100 }101 const reader = acquireReadableStreamDefaultReader(this);102 const iterator = Object.create(ReadableStreamAsyncIteratorPrototype);103 iterator[sym.asyncIteratorReader] = reader;104 iterator[sym.preventCancel] = Boolean(preventCancel);105 return iterator;106 }107 getReader({ mode }: { mode?: string } = {}): ReadableStreamDefaultReader<R> {108 if (!isReadableStream(this)) {109 throw new TypeError("Invalid ReadableStream.");110 }111 if (mode === undefined) {112 return acquireReadableStreamDefaultReader(this, true);113 }114 mode = String(mode);115 // 3.2.5.4.4 If mode is "byob", return ? AcquireReadableStreamBYOBReader(this, true).116 throw new RangeError(`Unsupported mode "${mode}"`);117 }118 pipeThrough<T>(119 {120 writable,121 readable,122 }: {123 writable: WritableStream<R>;124 readable: ReadableStream<T>;125 },126 { preventClose, preventAbort, preventCancel, signal }: PipeOptions = {}127 ): ReadableStream<T> {128 if (!isReadableStream(this)) {129 throw new TypeError("Invalid ReadableStream.");130 }131 if (!isWritableStream(writable)) {132 throw new TypeError("writable is not a valid WritableStream.");133 }134 if (!isReadableStream(readable)) {135 throw new TypeError("readable is not a valid ReadableStream.");136 }137 preventClose = Boolean(preventClose);138 preventAbort = Boolean(preventAbort);139 preventCancel = Boolean(preventCancel);140 if (signal && !(signal instanceof AbortSignalImpl)) {141 throw new TypeError("Invalid signal.");142 }143 if (isReadableStreamLocked(this)) {144 throw new TypeError("ReadableStream is locked.");145 }146 if (isWritableStreamLocked(writable)) {147 throw new TypeError("writable is locked.");148 }149 const promise = readableStreamPipeTo(150 this,151 writable,152 preventClose,153 preventAbort,154 preventCancel,155 signal156 );157 setPromiseIsHandledToTrue(promise);158 return readable;159 }160 pipeTo(161 dest: WritableStream<R>,162 { preventClose, preventAbort, preventCancel, signal }: PipeOptions = {}163 ): Promise<void> {164 if (!isReadableStream(this)) {165 return Promise.reject(new TypeError("Invalid ReadableStream."));166 }167 if (!isWritableStream(dest)) {168 return Promise.reject(169 new TypeError("dest is not a valid WritableStream.")170 );171 }172 preventClose = Boolean(preventClose);173 preventAbort = Boolean(preventAbort);174 preventCancel = Boolean(preventCancel);175 if (signal && !(signal instanceof AbortSignalImpl)) {176 return Promise.reject(new TypeError("Invalid signal."));177 }178 if (isReadableStreamLocked(this)) {179 return Promise.reject(new TypeError("ReadableStream is locked."));180 }181 if (isWritableStreamLocked(dest)) {182 return Promise.reject(new TypeError("dest is locked."));183 }184 return readableStreamPipeTo(185 this,186 dest,187 preventClose,188 preventAbort,189 preventCancel,190 signal191 );192 }193 tee(): [ReadableStreamImpl<R>, ReadableStreamImpl<R>] {194 if (!isReadableStream(this)) {195 throw new TypeError("Invalid ReadableStream.");196 }197 return readableStreamTee(this, false);198 }199 [customInspect](): string {200 return `${this.constructor.name} { locked: ${String(this.locked)} }`;201 }202 [Symbol.asyncIterator](203 options: {204 preventCancel?: boolean;205 } = {}206 ): AsyncIterableIterator<R> {207 return this.getIterator(options);208 }209}...

Full Screen

Full Screen

Using AI Code Generation

copy

Full Screen

1const assert = require('assert');2const { ReadableStream, IsReadableStreamLocked } = require('stream/web');3const rs = new ReadableStream({4 pull() {}5});6assert.strictEqual(IsReadableStreamLocked(rs), false);7rs.locked = true;8assert.strictEqual(IsReadableStreamLocked(rs), true);

Full Screen

Full Screen

Using AI Code Generation

copy

Full Screen

1var readableStream = new ReadableStream({2 start(controller) {3 controller.enqueue('a');4 controller.enqueue('b');5 controller.enqueue('c');6 }7});8var reader = readableStream.getReader();9assert_false(reader.isReadableStreamLocked(readableStream), 'IsReadableStreamLocked should return false before locking the readable stream');10reader.releaseLock();11assert_false(reader.isReadableStreamLocked(readableStream), 'IsReadableStreamLocked should return false after releasing the lock');12reader = readableStream.getReader();13assert_true(reader.isReadableStreamLocked(readableStream), 'IsReadableStreamLocked should return true after locking the readable stream');14reader.releaseLock();15assert_false(reader.isReadableStreamLocked(readableStream), 'IsReadableStreamLocked should return false after releasing the lock');16var writableStream = new WritableStream({17 write(chunk, controller) {18 }19});20var writer = writableStream.getWriter();21assert_false(writer.isWritableStreamLocked(writableStream), 'IsWritableStreamLocked should return false before locking the writable stream');22writer.releaseLock();23assert_false(writer.isWritableStreamLocked(writableStream), 'IsWritableStreamLocked should return false after releasing the lock');24writer = writableStream.getWriter();25assert_true(writer.isWritableStreamLocked(writableStream), 'IsWritableStreamLocked should return true after locking the writable stream');26writer.releaseLock();27assert_false(writer.isWritableStreamLocked(writableStream), 'IsWritableStreamLocked should return false after releasing the lock');28var ts = new TransformStream();29var readable = ts.readable;30var writable = ts.writable;31var reader = readable.getReader();32var writer = writable.getWriter();33assert_false(reader.isTransformStreamLocked(ts), 'IsTransformStreamLocked should return false before locking the transform stream');34reader.releaseLock();35writer.releaseLock();36assert_false(reader.isTransformStreamLocked(ts), 'IsTransformStreamLocked should return false after releasing the lock');37reader = readable.getReader();38writer = writable.getWriter();39assert_true(reader.isTransformStreamLocked(ts), 'IsTransformStreamLocked should return true after locking the transform stream');40reader.releaseLock();41writer.releaseLock();

Full Screen

Full Screen

Using AI Code Generation

copy

Full Screen

1var rs = new ReadableStream({2 start(controller) {3 controller.enqueue('a');4 controller.close();5 }6});7var reader = rs.getReader();8assert_true(reader

Full Screen

Full Screen

Using AI Code Generation

copy

Full Screen

1const assert = require('assert');2const { ReadableStream, CountQueuingStrategy } = require('stream/web');3const rs = new ReadableStream({4 start(controller) {5 controller.enqueue('a');6 controller.enqueue('b');7 controller.enqueue('c');8 },9 pull() { },10 cancel() { }11}, new CountQueuingStrategy({ highWaterMark: 100 }));12rs.getReader().releaseLock();13assert.strictEqual(rs.locked, false);14assert.strictEqual(rs.getReader().closed, undefined);15assert.strictEqual(rs.getReader().closed, undefined);16const assert = require('assert');17const { WritableStream } = require('stream/web');18const ws = new WritableStream({19 write() { },20 close() { },21 abort() { }22});23ws.getWriter().releaseLock();24assert.strictEqual(ws.locked, false);25assert.strictEqual(ws.getWriter().closed, undefined);26assert.strictEqual(ws.getWriter().closed, undefined);27const assert = require('assert');28const { TransformStream } = require('stream/web');29const ts = new TransformStream({30 transform() { },31 flush() { }32});33ts.readable.getWriter().releaseLock();34ts.writable.getWriter().releaseLock();35assert.strictEqual(ts.locked, false);36assert.strictEqual(ts.readable.getReader().closed, undefined);37assert.strictEqual(ts.writable.getWriter().closed, undefined);38const assert = require('assert');39const { ReadableStream, CountQueuingStrategy } = require('stream/web');40const rs = new ReadableStream({41 start(controller) {42 controller.enqueue('a');43 controller.enqueue('b');44 controller.enqueue('c');45 },46 pull() { },47 cancel() { }48}, new CountQueuingStrategy({ highWaterMark: 100 }));49rs.getReader().releaseLock();50assert.strictEqual(rs.locked, false);51assert.strictEqual(rs.getReader().closed, undefined);52assert.strictEqual(rs.getReader().closed, undefined);53const assert = require('assert');54const { WritableStream } = require('stream/web');55const ws = new WritableStream({56 write() { },57 close() { },58 abort()

Full Screen

Full Screen

Using AI Code Generation

copy

Full Screen

1const assert = require('assert');2const { ReadableStream, WritableStream, TransformStream } = require('stream/web');3const { isReadableStreamLocked } = require('stream/web');4const readable = new ReadableStream({5 start(controller) {6 controller.enqueue('a');7 controller.enqueue('b');8 controller.enqueue('c');9 }10});11const reader = readable.getReader();12assert(isReadableStreamLocked(readable) === true);13reader.releaseLock();14assert(isReadableStreamLocked(readable) === false);15assert(isReadableStreamLocked(new ReadableStream()) === false);16assert(isReadableStreamLocked(new ReadableStream({ type: 'bytes' })) === false);17 throw new AssertionError(obj);18 at Object.<anonymous> (/home/runner/work/node-whatwg-stream/node-whatwg-stream/test.js:11:8)19 at Module._compile (internal/modules/cjs/loader.js:1200:30)20 at Object.Module._extensions..js (internal/modules/cjs/loader.js:1220:10)21 at Module.load (internal/modules/cjs/loader.js:1050:32)22 at Function.Module._load (internal/modules/cjs/loader.js:938:14)23 at Function.executeUserEntryPoint [as runMain] (internal/modules/run_main.js:71:12)24 at internal/main/run_main_module.js:17:47 {25}

Full Screen

Full Screen

Using AI Code Generation

copy

Full Screen

1var rs = new ReadableStream({2 start(controller) {3 controller.enqueue("a");4 controller.enqueue("b");5 controller.close();6 }7});8var reader = rs.getReader();9assert_false(reader.isLocked, "The stream should not be locked");10reader.releaseLock();11assert_false(reader.isLocked, "The stream should not be locked");12var rs = new ReadableStream({13 start(controller) {14 controller.enqueue("a");15 controller.enqueue("b");16 controller.close();17 }18});19var reader = rs.getReader();20assert_false(reader.isLocked, "The stream should not be locked");21reader.read().then(function(result) {22 assert_equals(result.value, "a", "The first chunk read should be 'a'");23 assert_equals(result.done, false, "The first chunk read should not be done");24 return reader.read();25}).then(function(result) {26 assert_equals(result.value, "b", "The second chunk read should be 'b'");27 assert_equals(result.done, false, "The second chunk read should not be done");28 return reader.read();29}).then(function(result) {30 assert_equals(result.value, undefined, "The third chunk read should be undefined");31 assert_equals(result.done, true, "The third chunk read should be done");32 assert_false(reader.isLocked, "The stream should not be locked");33 done();34}, unreac

Full Screen

Full Screen

Using AI Code Generation

copy

Full Screen

1'use strict';2const assert = require('assert');3const { ReadableStream } = require('stream/web');4{5 const rs = new ReadableStream({6 start(controller) {7 controller.close();8 }9 });10 assert.strictEqual(rs.locked, false);11 const reader = rs.getReader();12 assert.strictEqual(rs.locked, true);13}14{15 const rs = new ReadableStream();16 assert.strictEqual(rs.locked, false);17 const reader = rs.getReader();18 assert.strictEqual(rs.locked, true);19}20{21 const rs = new ReadableStream({22 start(controller) {23 controller.enqueue('a');24 controller.enqueue('b');25 controller.close();26 }27 });28 assert.strictEqual(rs.locked, false);29 const reader = rs.getReader();30 assert.strictEqual(rs.locked, true);31}32{33 const rs = new ReadableStream();34 assert.strictEqual(rs.locked, false);35 const reader = rs.getReader();36 assert.strictEqual(rs.locked, true);37 reader.releaseLock();38 assert.strictEqual(rs.locked, false);39}40{41 const rs = new ReadableStream();42 assert.strictEqual(rs.locked, false);43 const reader = rs.getReader();44 assert.strictEqual(rs.locked, true);45 reader.releaseLock();46 assert.strictEqual(rs.locked, false);47 const reader2 = rs.getReader();48 assert.strictEqual(rs.locked, true);49}50{51 const rs = new ReadableStream();52 assert.strictEqual(rs.locked, false);53 const reader = rs.getReader();54 assert.strictEqual(rs.locked, true);55 reader.releaseLock();56 assert.strictEqual(rs.locked, false);57 const reader2 = rs.getReader();58 assert.strictEqual(rs.locked, true);59 reader2.releaseLock();60 assert.strictEqual(rs.locked, false);61}62{63 const rs = new ReadableStream();64 assert.strictEqual(rs.locked, false);65 const reader = rs.getReader();66 assert.strictEqual(rs.locked, true);67 reader.releaseLock();68 assert.strictEqual(rs.locked, false);69 const reader2 = rs.getReader();70 assert.strictEqual(rs.locked, true);71 reader2.releaseLock();72 assert.strictEqual(rs.locked, false);73 const reader3 = rs.getReader();74 assert.strictEqual(rs.locked, true);75}76{

Full Screen

Full Screen

Using AI Code Generation

copy

Full Screen

1const stream = new ReadableStream();2const reader = stream.getReader();3const locked = reader.locked;4reader.releaseLock();5const locked1 = reader.locked;6const stream1 = new ReadableStream();7const reader1 = stream1.getReader();8const locked2 = stream1.locked;9const stream2 = new ReadableStream();10const locked3 = stream2.locked;11const stream3 = new ReadableStream();12const reader2 = stream3.getReader();13const reader3 = stream3.getReader();14const locked4 = reader2.locked;15const locked5 = reader3.locked;16const stream4 = new ReadableStream();17const reader4 = stream4.getReader();18const reader5 = stream4.getReader();19reader4.releaseLock();20const locked6 = reader4.locked;21const locked7 = reader5.locked;22const stream = new WritableStream();23const writer = stream.getWriter();24const locked = writer.locked;25writer.releaseLock();26const locked1 = writer.locked;27const stream1 = new WritableStream();28const writer1 = stream1.getWriter();29const locked2 = stream1.locked;30const stream2 = new WritableStream();31const locked3 = stream2.locked;32const stream3 = new WritableStream();33const writer2 = stream3.getWriter();34const writer3 = stream3.getWriter();35const locked4 = writer2.locked;36const locked5 = writer3.locked;37const stream4 = new WritableStream();38const writer4 = stream4.getWriter();39const writer5 = stream4.getWriter();40writer4.releaseLock();41const locked6 = writer4.locked;42const locked7 = writer5.locked;43console.log(locked

Full Screen

Full Screen

Using AI Code Generation

copy

Full Screen

1var rs = new ReadableStream();2rs.getReader();3var locked = rs.locked;4console.log(locked);5var rs = new ReadableStream();6rs.getReader();7var disturbed = rs.disturbed;8console.log(disturbed);9var rs = new ReadableStream();10var reader = rs.getReader();11var locked = reader.locked;12console.log(locked);13var ws = new WritableStream();14ws.getWriter();15var locked = ws.locked;16console.log(locked);17var ws = new WritableStream();18var writer = ws.getWriter();19var locked = writer.locked;20console.log(locked);21var ws = new WritableStream();22var writer = ws.getWriter();23var ready = writer.ready;24console.log(ready);25var ws = new WritableStream();26var writer = ws.getWriter();27var closed = writer.closed;28console.log(closed);29var ts = new TransformStream();30var controller = ts.writable.getWriter();31var active = controller.active;32console.log(active);33var ts = new TransformStream();34var controller = ts.writable.getWriter();35var started = controller.started;36console.log(started);37var ts = new TransformStream();38var controller = ts.writable.getWriter();39var closing = controller.closing;40console.log(closing);41var ts = new TransformStream();42var controller = ts.writable.getWriter();43var errored = controller.errored;44console.log(errored);45var ts = new TransformStream();46var controller = ts.writable.getWriter();47var flushAlgorithmSet = controller.flushAlgorithmSet;48console.log(flushAlgorithmSet);

Full Screen

Full Screen

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.

LambdaTest Learning Hubs:

YouTube

You could also refer to video tutorials over LambdaTest YouTube channel to get step by step demonstration from industry experts.

Run wpt automation tests on LambdaTest cloud grid

Perform automation testing on 3000+ real desktop and mobile devices online.

... View sample repo... View DocumentationSign up Free
›
_

Try LambdaTest Now !!

Get 100 minutes of automation test minutes FREE!!

...
Sign up with GoogleSign up with Email
Next-Gen App & Browser Testing Cloud

Was this article helpful?

Helpful

NotHelpful