How to use TransformStreamDefaultTransform method in wpt

Best JavaScript code snippet using wpt

transform-stream.js

Source:transform-stream.js Github

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...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]);...

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transform-stream-polyfill.js

Source:transform-stream-polyfill.js Github

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...92 transformStream._backpressureChangePromise.then(resolution => {93 });94 transformStream._backpressure = backpressure;95}96function TransformStreamDefaultTransform(chunk, transformStreamController) {97 const transformStream = transformStreamController._controlledTransformStream;98 TransformStreamEnqueueToReadable(transformStream, chunk);99 return Promise.resolve();100}101function TransformStreamTransform(transformStream, chunk) {102 transformStream._transforming = true;103 const transformer = transformStream._transformer;104 const controller = transformStream._transformStreamController;105 const transformPromise = PromiseInvokeOrPerformFallback(transformer, 'transform', [chunk, controller],106 TransformStreamDefaultTransform, [chunk, controller]);107 return transformPromise.then(108 () => {109 transformStream._transforming = false;110 return TransformStreamReadableReadyPromise(transformStream);...

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Using AI Code Generation

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1var ts = new TransformStream({2 transform(chunk, controller) {3 controller.enqueue(chunk);4 }5});6var writer = ts.writable.getWriter();7var reader = ts.readable.getReader();8writer.write("a");9reader.read().then(result => {10 console.log(result.value);11 assert_equals(result.value, "a");12 writer.close();13 return reader.read();14}).then(result => {15 assert_true(result.done);16});17var ts = new TransformStream({18 transform(chunk, controller) {19 controller.enqueue(chunk);20 }21});22var writer = ts.writable.getWriter();23var reader = ts.readable.getReader();24writer.write("a");25reader.read().then(result => {26 console.log(result.value);27 assert_equals(result.value, "a");28 writer.close();29 return reader.read();30}).then(result => {31 assert_true(result.done);32});33var ts = new TransformStream({34 transform(chunk, controller) {35 controller.error('a');36 }37});38var writer = ts.writable.getWriter();39var reader = ts.readable.getReader();40writer.write("a");41reader.read().catch(e => {42 console.log(e);43 assert_equals(e, 'a');44});45var ts = new TransformStream({46 transform(chunk, controller) {47 controller.terminate();48 }49});50var writer = ts.writable.getWriter();51var reader = ts.readable.getReader();52writer.write("a");53reader.read().catch(e => {54 console.log(e);55 assert_equals(e, new TypeError('TransformStream is already errored'));56});57var ts = new TransformStream({58 transform(chunk, controller) {59 controller.enqueue(chunk);60 }61});62var writer = ts.writable.getWriter();63var reader = ts.readable.getReader();64writer.write("a");65writer.write("b");66writer.write("c");67reader.read().then(result => {68 console.log(result.value);69 assert_equals(result.value, "a");70 return reader.read();71}).then(result => {72 console.log(result.value);73 assert_equals(result.value, "b");

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Using AI Code Generation

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1import { TransformStreamDefaultTransform } from "web-streams-polyfill/ponyfill";2import { TransformStreamDefaultTransform } from "web-streams-polyfill";3import { TransformStreamDefaultTransform } from "web-streams-polyfill/es6";4TransformStreamDefaultTransform(chunk, controller)5import { TransformStreamDefaultTransform } from "web-streams-polyfill";6import { TransformStreamDefaultTransform } from "web-streams-polyfill/es6";7import { TransformStreamDefaultTransform } from "web-streams-polyfill/ponyfill";8const transformer = {9 start(controller) {10 this.controller = controller;11 },12 async transform(chunk, controller) {13 const result = await TransformStreamDefaultTransform(chunk, this.controller);14 controller.enqueue(result + 10);15 },16 flush(controller) {17 controller.enqueue("!");18 }19};20const transformStream = new TransformStream(transformer);21const readableStream = transformStream.readable;22const writableStream = transformStream.writable;23const writer = writableStream.getWriter();24writer.write(1);25writer.write(2);26writer.write(3);27writer.close();28const reader = readableStream.getReader();29reader.read().then(({ value, done }) => console

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Using AI Code Generation

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1var ts = new TransformStream();2var writer = ts.writable.getWriter();3var reader = ts.readable.getReader();4writer.write("a");5writer.write("b");6writer.write("c");7writer.close();8var transformCalled = false;9var transformPromise = reader.read().then(function(result) {10 assert_equals(result.value, "A", "transformed chunk should be A");11 assert_equals(result.done, false, "done should be false");12 transformCalled = true;13 return reader.read();14}).then(function(result) {15 assert_equals(result.value, "B", "transformed chunk should be B");16 assert_equals(result.done, false, "done should be false");17 return reader.read();18}).then(function(result) {19 assert_equals(result.value, "C", "transformed chunk should be C");20 assert_equals(result.done, false, "done should be false");21 return reader.read();22}).then(function(result) {23 assert_equals(result.value, undefined, "transformed chunk should be undefined");24 assert_equals(result.done, true, "done should be true");25 return reader.read();26}).then(function(result) {27 assert_equals(result.value, undefined, "transformed chunk should be undefined");28 assert_equals(result.done, true, "done should be true");29 assert_true(transformCalled, "transform should have been called");30});31promise_test(function() {32 return transformPromise;33}, "TransformStreamDefaultTransform should be called");34function assert_equals(actual, expected, description) {35 if (actual != expected) {36 description = description ? " - " + description : "";37 throw new AssertionError("assert_equals: " + actual + " is not equal to " + expected + description);38 }39}40function promise_test(func, name, properties) {41 var test = async_test(name, properties);42 var promise = Promise.resolve().then(func);43 promise.then(function() {44 test.done();45 }, function(err) {46 test.step(function() {47 throw err;48 });49 test.done();50 });51 return test;52}53function AssertionError(message) {

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Using AI Code Generation

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1import { TransformStreamDefaultTransform } from2"streams/transform-stream/transform-stream-default-transform";3import { TransformStream } from "streams/transform-stream";4import { ReadableStream } from "streams/readable-stream";5import { WritableStream } from "streams/writable-stream";6import { CountQueuingStrategy } from "streams/queues-with-sizes";7import { ReadableStreamDefaultController } from8"streams/readable-stream/default-controller";9import { WritableStreamDefaultController } from10"streams/writable-stream/default-controller";11import { TransformStreamDefaultController } from12"streams/transform-stream/default-controller";13import { TransformStreamDefaultControllerCallback } from14"streams/transform-stream/default-controller";15import { ByteLengthQueuingStrategy } from "streams/queues-with-sizes";16import { ReadableByteStreamController } from17"streams/readable-stream/byte-stream-controller";18import { WritableStreamDefaultWriter } from19"streams/writable-stream/writable-stream-default-writer";20import { ReadableStreamDefaultReader } from21"streams/readable-stream/readable-stream-default-reader";22import { TransformStreamDefaultControllerTransformCallback } from23"streams/transform-stream/default-controller";24import { TransformStreamDefaultControllerFlushCallback } from25"streams/transform-stream/default-controller";26import { TransformStreamDefaultControllerEnqueueCallback } from27"streams/transform-stream/default-controller";28import { TransformStreamDefaultControllerErrorCallback } from29"streams/transform-stream/default-controller";30import { TransformStreamDefaultControllerTerminateCallback } from31"streams/transform-stream/default-controller";32import { ReadableStreamDefaultControllerCloseCallback } from33"streams/readable-stream/default-controller";34import { ReadableStreamDefaultControllerEnqueueCallback } from35"streams/readable-stream/default-controller";36import { ReadableStreamDefaultControllerErrorCallback } from37"streams/readable-stream/default-controller";38import { ReadableStreamDefaultControllerCancelCallback } from39"streams/readable-stream/default-controller";40import { ReadableStreamDefaultControllerPullCallback } from41"streams/readable-stream/default-controller";42import { WritableStreamDefaultControllerCloseCallback } from43"streams/writable-stream/default-controller";44import { WritableStreamDefaultControllerWriteCallback } from45"streams/writable-stream/default-controller";46import { WritableStreamDefaultControllerAbortCallback } from47"streams/writable-stream/default-controller";48import { WritableStreamDefaultControllerErrorCallback } from

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Using AI Code Generation

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1var TransformStream = require('stream').Transform;2var transformStream = new TransformStream();3var chunk = 'hello';4var transformStreamDefaultTransform = function(transformStream, chunk){5 return transformStream._transform(chunk, 'utf-8', function(error, data){6 if(error){7 console.log(error);8 }9 else{10 console.log(data);11 }12 });13}14transformStreamDefaultTransform(transformStream, chunk);15var TransformStream = require('stream').Transform;16var transformStream = new TransformStream();17var chunk = 'hello';18var transformStreamDefaultTransform = function(transformStream, chunk){19 return transformStream._transform(chunk, 'utf-8', function(error, data){20 if(error){21 console.log(error);22 }23 else{24 console.log(data);25 }26 });27}28transformStreamDefaultTransform(transformStream, chunk).then(function(){29 console.log('fulfills with undefined');30});31var TransformStream = require('stream').Transform;32var transformStream = new TransformStream();33var chunk = 'hello';34var transformStreamDefaultTransform = function(transformStream, chunk){35 return transformStream._transform(chunk, 'utf-8', function(error, data){36 if(error){37 console.log(error);38 }39 else{40 console.log(data);41 }42 });43}44transformStreamDefaultTransform(transformStream, chunk).then(function(){45 console.log('fulfills with undefined');46}).catch(function(error){47 console.log(error);48});

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Using AI Code Generation

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1const { TransformStream, TransformStreamDefaultTransform } = require('stream/web');2const { ReadableStream, WritableStream } = require('stream/web');3const { strictEqual } = require('assert');4const { test } = require('tap');5test('TransformStreamDefaultTransform method', async () => {6 const ts = new TransformStream({7 start(controller) {8 this.controller = controller;9 },10 transform(chunk, controller) {11 controller.enqueue(chunk);12 }13 });14 const reader = ts.readable.getReader();15 const writer = ts.writable.getWriter();16 writer.write('a');17 writer.write('b');18 writer.write('c');19 writer.close();20 let result = await reader.read();21 strictEqual(result.value, 'a');22 strictEqual(result.done, false);23 result = await reader.read();24 strictEqual(result.value, 'b');25 strictEqual(result.done, false);26 result = await reader.read();27 strictEqual(result.value, 'c');28 strictEqual(result.done, false);29 result = await reader.read();30 strictEqual(result.value, undefined);31 strictEqual(result.done, true);32});33 at: TransformStreamDefaultTransform (/home/runner/work/node/node/test/parallel/test-stream-transform.js:12:13)34 at: TransformStreamDefaultTransform (/home/runner/work/node/node/test/parallel/test-stream-transform.js:12:13)

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Using AI Code Generation

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1var t = new TransformStreamDefaultTransform();2t.transform(new ReadableStreamDefaultReader(), new WritableStreamDefaultWriter());3var t = new TransformStreamDefaultFlush();4t.flush(new ReadableStreamDefaultReader(), new WritableStreamDefaultWriter());5var t = new TransformStreamDefaultControllerEnqueue();6t.enqueue(new ReadableStreamDefaultController(), new Uint8Array());7var t = new TransformStreamDefaultControllerError();8t.error(new ReadableStreamDefaultController(), new TypeError());9var t = new TransformStreamDefaultControllerTerminate();10t.terminate(new ReadableStreamDefaultController());11var t = new TransformStreamDefaultControllerGetDesiredSize();12t.getDesiredSize(new ReadableStreamDefaultController());13var t = new TransformStreamDefaultControllerClearAlgorithms();14t.clearAlgorithms(new ReadableStreamDefaultController());15var t = new TransformStreamDefaultControllerPerformTransform();16t.performTransform(new ReadableStreamDefaultController(), new Uint8Array());17var t = new TransformStreamDefaultControllerError();18t.error(new ReadableStreamDefaultController(), new TypeError());19var t = new TransformStreamDefaultControllerTerminate();20t.terminate(new ReadableStreamDefaultController());

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