Best JavaScript code snippet using wpt
WritableStream.js
Source:WritableStream.js
...240 const storedError = stream[_storedError];241 rejectPromises(stream[_writeRequests], storedError);242 stream[_writeRequests] = new binding.SimpleQueue();243 if (stream[_pendingAbortRequest] === undefined) {244 WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream);245 return;246 }247 const abortRequest = stream[_pendingAbortRequest];248 stream[_pendingAbortRequest] = undefined;249 if (abortRequest.wasAlreadyErroring === true) {250 rejectPromise(abortRequest.promise, storedError);251 WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream);252 return;253 }254 const promise = WritableStreamDefaultControllerAbortSteps(255 stream[_writableStreamController], abortRequest.reason);256 thenPromise(257 promise,258 () => {259 resolvePromise(abortRequest.promise, undefined);260 WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream);261 },262 reason => {263 rejectPromise(abortRequest.promise, reason);264 WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream);265 });266 }267 function WritableStreamFinishInFlightWrite(stream) {268 // assert(stream[_inFlightWriteRequest] !== undefined,269 // '_stream_.[[inFlightWriteRequest]] is not *undefined*.');270 resolvePromise(stream[_inFlightWriteRequest], undefined);271 stream[_inFlightWriteRequest] = undefined;272 }273 function WritableStreamFinishInFlightWriteWithError(stream, error) {274 // assert(stream[_inFlightWriteRequest] !== undefined,275 // '_stream_.[[inFlightWriteRequest]] is not *undefined*.');276 rejectPromise(stream[_inFlightWriteRequest], error);277 stream[_inFlightWriteRequest] = undefined;278 // const state = stream[_stateAndFlags] & STATE_MASK;279 // assert(state === WRITABLE || state === ERRORING,280 // '_stream_.[[state]] is `"writable"` or `"erroring"`');281 WritableStreamDealWithRejection(stream, error);282 }283 function WritableStreamFinishInFlightClose(stream) {284 // assert(stream[_inFlightCloseRequest] !== undefined,285 // '_stream_.[[inFlightCloseRequest]] is not *undefined*.');286 resolvePromise(stream[_inFlightCloseRequest], undefined);287 stream[_inFlightCloseRequest] = undefined;288 const state = stream[_stateAndFlags] & STATE_MASK;289 // assert(state === WRITABLE || state === ERRORING,290 // '_stream_.[[state]] is `"writable"` or `"erroring"`');291 if (state === ERRORING) {292 stream[_storedError] = undefined;293 if (stream[_pendingAbortRequest] !== undefined) {294 resolvePromise(stream[_pendingAbortRequest].promise, undefined);295 stream[_pendingAbortRequest] = undefined;296 }297 }298 stream[_stateAndFlags] = (stream[_stateAndFlags] & ~STATE_MASK) | CLOSED;299 const writer = stream[_writer];300 if (writer !== undefined) {301 resolvePromise(writer[_closedPromise], undefined);302 }303 // assert(stream[_pendingAbortRequest] === undefined,304 // '_stream_.[[pendingAbortRequest]] is *undefined*');305 // assert(stream[_storedError] === undefined,306 // '_stream_.[[storedError]] is *undefined*');307 }308 function WritableStreamFinishInFlightCloseWithError(stream, error) {309 // assert(stream[_inFlightCloseRequest] !== undefined,310 // '_stream_.[[inFlightCloseRequest]] is not *undefined*.');311 rejectPromise(stream[_inFlightCloseRequest], error);312 stream[_inFlightCloseRequest] = undefined;313 // const state = stream[_stateAndFlags] & STATE_MASK;314 // assert(state === WRITABLE || state === ERRORING,315 // '_stream_.[[state]] is `"writable"` or `"erroring"`');316 if (stream[_pendingAbortRequest] !== undefined) {317 rejectPromise(stream[_pendingAbortRequest].promise, error);318 stream[_pendingAbortRequest] = undefined;319 }320 WritableStreamDealWithRejection(stream, error);321 }322 function WritableStreamCloseQueuedOrInFlight(stream) {323 return stream[_closeRequest] !== undefined ||324 stream[_inFlightCloseRequest] !== undefined;325 }326 function WritableStreamHasOperationMarkedInFlight(stream) {327 return stream[_inFlightWriteRequest] !== undefined ||328 stream[_inFlightCloseRequest] !== undefined;329 }330 function WritableStreamMarkCloseRequestInFlight(stream) {331 // assert(stream[_inFlightCloseRequest] === undefined,332 // '_stream_.[[inFlightCloseRequest]] is *undefined*.');333 // assert(stream[_closeRequest] !== undefined,334 // '_stream_.[[closeRequest]] is not *undefined*.');335 stream[_inFlightCloseRequest] = stream[_closeRequest];336 stream[_closeRequest] = undefined;337 }338 function WritableStreamMarkFirstWriteRequestInFlight(stream) {339 // assert(stream[_inFlightWriteRequest] === undefined,340 // '_stream_.[[inFlightWriteRequest]] is *undefined*.');341 // assert(stream[_writeRequests].length !== 0,342 // '_stream_.[[writeRequests]] is not empty.');343 const writeRequest = stream[_writeRequests].shift();344 stream[_inFlightWriteRequest] = writeRequest;345 }346 function WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream) {347 // assert((stream[_stateAndFlags] & STATE_MASK) === ERRORED,348 // '_stream_.[[state]] is `"errored"`');349 if (stream[_closeRequest] !== undefined) {350 // assert(stream[_inFlightCloseRequest] === undefined,351 // '_stream_.[[inFlightCloseRequest]] is *undefined*');352 rejectPromise(stream[_closeRequest], stream[_storedError]);353 stream[_closeRequest] = undefined;354 }355 const writer = stream[_writer];356 if (writer !== undefined) {357 rejectPromise(writer[_closedPromise], stream[_storedError]);358 markPromiseAsHandled(writer[_closedPromise]);359 }360 }...
writable_stream.ts
Source:writable_stream.ts
...201 const { storedError } = stream;202 stream.writeRequests.forEach(p => p.reject(storedError));203 stream.writeRequests = [];204 if (stream.pendingAbortRequest === void 0) {205 WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream);206 return;207 }208 const abortRequest = stream.pendingAbortRequest;209 stream.pendingAbortRequest = void 0;210 if (abortRequest.wasAlreadyErroring) {211 abortRequest.promise.reject(storedError);212 WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream);213 return;214 }215 const promise = stream.writableStreamController[AbortSteps](216 abortRequest.reason217 );218 promise219 .then(() => {220 abortRequest.promise.resolve(void 0);221 WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream);222 })223 .catch(r => {224 abortRequest.promise.reject(r);225 WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream);226 });227}228export function WritableStreamFinishInFlightWrite(stream: WritableStream) {229 Assert(stream.inFlightWriteRequest !== void 0);230 stream.inFlightWriteRequest.resolve(void 0);231 stream.inFlightWriteRequest = void 0;232}233export function WritableStreamFinishInFlightWriteWithError(234 stream: WritableStream,235 error236) {237 Assert(stream.inFlightWriteRequest !== void 0);238 stream.inFlightWriteRequest.resolve(void 0);239 stream.inFlightWriteRequest = void 0;240 Assert(stream.state === "writable" || stream.state === "erroring");241 WritableStreamDealWithRejection(stream, error);242}243export function WritableStreamFinishInFlightClose(stream: WritableStream) {244 Assert(stream.inFlightCloseRequest !== void 0);245 stream.inFlightCloseRequest.resolve(void 0);246 stream.inFlightCloseRequest = void 0;247 const { state } = stream;248 Assert(stream.state === "writable" || stream.state === "erroring");249 if (state === "erroring") {250 stream.storedError = void 0;251 if (stream.pendingAbortRequest !== void 0) {252 stream.pendingAbortRequest.promise.resolve(void 0);253 stream.pendingAbortRequest = void 0;254 }255 }256 stream.state = "closed";257 const { writer } = stream;258 if (writer !== void 0) {259 writer.closedPromise.resolve(void 0);260 }261 Assert(stream.pendingAbortRequest === void 0);262 Assert(stream.storedError === void 0);263}264export function WritableStreamFinishInFlightCloseWithError(265 stream: WritableStream,266 error267) {268 Assert(stream.inFlightCloseRequest !== void 0);269 stream.inFlightCloseRequest.resolve(void 0);270 stream.inFlightCloseRequest = void 0;271 Assert(stream.state === "writable" || stream.state === "erroring");272 if (stream.pendingAbortRequest !== void 0) {273 stream.pendingAbortRequest.promise.reject(error);274 stream.pendingAbortRequest = void 0;275 }276 WritableStreamDealWithRejection(stream, error);277}278export function WritableStreamCloseQueuedOrInFlight(stream: WritableStream) {279 return !(280 stream.closeRequest === void 0 || stream.inFlightCloseRequest === void 0281 );282}283export function WritableStreamHasOperationMarkedInFlight(284 stream: WritableStream285) {286 return !(287 stream.inFlightWriteRequest === void 0 &&288 stream.inFlightCloseRequest === void 0289 );290}291export function WritableStreamMarkCloseRequestInFlight(stream: WritableStream) {292 Assert(stream.inFlightCloseRequest === void 0);293 Assert(stream.closeRequest !== void 0);294 stream.inFlightCloseRequest = stream.closeRequest;295 stream.closeRequest = void 0;296}297export function WritableStreamMarkFirstWriteRequestInFlight(298 stream: WritableStream299) {300 Assert(stream.inFlightWriteRequest === void 0);301 Assert(stream.writeRequests.length > 0);302 const writerRequest = stream.writeRequests.shift();303 stream.inFlightWriteRequest = writerRequest;304}305export function WritableStreamRejectCloseAndClosedPromiseIfNeeded(306 stream: WritableStream307) {308 Assert(stream.state === "errored");309 if (stream.pendingAbortRequest !== void 0) {310 Assert(stream.inFlightCloseRequest !== void 0);311 stream.closeRequest.reject(stream.storedError);312 stream.closeRequest = void 0;313 }314 const { writer } = stream;315 if (writer !== void 0) {316 writer.closedPromise.reject(stream.storedError);317 }318}319export function WritableStreamUpdateBackpressure(...
Using AI Code Generation
1const { WritableStreamRejectCloseAndClosedPromiseIfNeeded } = require('stream/web');2const { WritableStream, CountQueuingStrategy } = require('stream/web');3const ws = new WritableStream({4 write(chunk) {5 return new Promise((resolve, reject) => {6 setTimeout(() => {7 reject(new Error('write failed'));8 }, 1000);9 });10 }11}, new CountQueuingStrategy({ highWaterMark: 1 }));12const writer = ws.getWriter();13writer.write('a');14writer.write('b');15writer.close();16writer.closed.catch(e => console.log(e.message));17setTimeout(() => {18 writer.write('c');19}, 2000);20setTimeout(() => {21 writer.write('d');22}, 3000);23setTimeout(() => {24 writer.write('e');25}, 4000);26setTimeout(() => {27 writer.write('f');28}, 5000);29const { WritableStreamRejectCloseAndClosedPromiseIfNeeded } = require('stream/web');30const { WritableStream, CountQueuingStrategy } = require('stream/web');31const ws = new WritableStream({32 write(chunk) {33 return new Promise((resolve, reject) => {34 setTimeout(() => {35 reject(new Error('write failed'));36 }, 1000);37 });38 }39}, new CountQueuingStrategy({ highWaterMark: 1 }));40const writer = ws.getWriter();41writer.write('a');42writer.write('b');43writer.close();44writer.closed.catch(e => console.log(e.message));45setTimeout(() => {46 writer.write('c');47}, 2000);48setTimeout(() => {49 writer.write('d');50}, 3000);51setTimeout(() => {52 writer.write('e');53}, 4000);54setTimeout(() => {55 writer.write('f');56}, 5000);57const { WritableStreamRejectCloseAndClosedPromiseIfNeeded } = require('stream/web');58const { WritableStream, CountQueuingStrategy } = require('stream/web');
Using AI Code Generation
1const { WritableStreamRejectCloseAndClosedPromiseIfNeeded } = require('./writable-stream.js');2const { WritableStream } = require('./writable-stream.js');3const { CountQueuingStrategy } = require('./queue-with-sizes.js');4const { WritableStreamDefaultWriter } = require('./writable-stream.js');5const { WritableStreamDefaultController } = require('./writable-stream.js');6const { WritableStreamDefaultControllerErrorIfNeeded } = require('./writable-stream.js');7const { WritableStreamDefaultControllerGetDesiredSize } = require('./writable-stream.js');8const { WritableStreamDefaultControllerClose } = require('./writable-stream.js');9const { WritableStreamCloseQueuedOrInFlight } = require('./writable-stream.js');10const { WritableStreamAbortQueued } = require('./writable-stream.js');11const { WritableStreamDefaultControllerGetChunkSize } = require('./writable-stream.js');12const { WritableStreamDefaultControllerShouldCallWriteOrClose } = require('./writable-stream.js');13const { WritableStreamDefaultControllerCallWriteIfNeeded } = require('./writable-stream.js');14const { WritableStreamDefaultControllerClearAlgorithms } = require('./writable-stream.js');15const { WritableStreamDefaultControllerCloseWithErrorPropagation } = require('./writable-stream.js');16const { WritableStreamDefaultControllerError } = require('./writable-stream.js');17const { WritableStreamDefaultControllerGetError } = require('./writable-stream.js');18const { WritableStreamDefaultControllerPerformAbort } = require('./writable-stream.js');19const { WritableStreamDefaultControllerPerformCloseWithErrorPropagation } = require('./writable-stream.js');20const { WritableStreamDefaultControllerPerformClose } = require('./writable-stream.js');21const { WritableStreamDefaultControllerPerformWrite } = require('./writable-stream.js');22const { WritableStreamDefaultControllerStart } = require('./writable-stream.js');23const { WritableStreamDefaultControllerWrite } = require('./writable-stream.js');24const { WritableStreamDefaultController } = require('./writable-stream.js');25const { WritableStreamDefaultWriterRelease } = require('./writable-stream.js');26const { WritableStreamDefaultWriterWrite } = require('./writable-stream.js');27const { WritableStreamDefaultWriterClose } = require('./writable-stream.js');28const { WritableStreamDefaultWriterAbort } = require('./writable-stream.js');
Using AI Code Generation
1import { WritableStreamRejectCloseAndClosedPromiseIfNeeded } from2'./writable-stream.js';3import { test } from '../resources/testharness.js';4test(() => {5 const ws = new WritableStream();6 WritableStreamRejectCloseAndClosedPromiseIfNeeded(ws, new Error('error'));7}, 'WritableStreamRejectCloseAndClosedPromiseIfNeeded should reject the8closed promise');9test(() => {10 const ws = new WritableStream();11 WritableStreamRejectCloseAndClosedPromiseIfNeeded(ws, new Error('error'));12}, 'WritableStreamRejectCloseAndClosedPromiseIfNeeded should reject the13close promise');14import { WritableStreamRejectCloseAndClosedPromiseIfNeeded } from15'./writable-stream.js';16import { test } from '../resources/testharness.js';17test(() => {18 const ws = new WritableStream();19 WritableStreamRejectCloseAndClosedPromiseIfNeeded(ws, new Error('error'));20}, 'WritableStreamRejectCloseAndClosedPromiseIfNeeded should reject the21closed promise');22test(() => {23 const ws = new WritableStream();24 WritableStreamRejectCloseAndClosedPromiseIfNeeded(ws, new Error('error'));25}, 'WritableStreamRejectCloseAndClosedPromiseIfNeeded should reject the26close promise');
Using AI Code Generation
1const { WritableStreamRejectCloseAndClosedPromiseIfNeeded } = require('./writable-stream.js');2const ws = new WritableStream();3WritableStreamRejectCloseAndClosedPromiseIfNeeded(ws, new TypeError('error'));4ws.closed.catch((e) => {5 console.log(e);6});
Using AI Code Generation
1const rs = new ReadableStream({2 start(controller) {3 controller.enqueue(new ArrayBuffer(10));4 }5});6const ws = new WritableStream({7 start(controller) {8 controller.error();9 }10});11rs.pipeTo(ws).catch(e => console.log(e));12const rs = new ReadableStream({13 start(controller) {14 controller.enqueue(new ArrayBuffer(10));15 }16});17const ws = new WritableStream({18 start(controller) {19 controller.error();20 }21});22rs.pipeTo(ws).catch(e => console.log(e));23test.js:18 Uncaught (in promise) TypeError: Cannot read property 'close' of undefined24 at WritableStreamRejectCloseAndClosedPromiseIfNeeded (test.js:18)25 at WritableStreamErrorInternal (test.js:18)26 at WritableStreamError (test.js:18)27 at WritableStreamStartErroring (test.js:18)28 at WritableStreamStart (test.js:18)29 at new WritableStream (test.js:18)30 at new Promise (<anonymous>)31 at new Promise (<anonymous>)
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