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How to use create_ReadableStreamTeeBranch1CancelFunction method in wpt

Best JavaScript code snippet using wpt

readable-stream.js

Source:readable-stream.js

...262  const pull = create_ReadableStreamTeePullFunction();263  pull._reader = reader;264  pull._teeState = teeState;265  pull._cloneForBranch2 = cloneForBranch2;266  const cancel1 = create_ReadableStreamTeeBranch1CancelFunction();267  cancel1._stream = stream;268  cancel1._teeState = teeState;269  const cancel2 = create_ReadableStreamTeeBranch2CancelFunction();270  cancel2._stream = stream;271  cancel2._teeState = teeState;272  const underlyingSource1 = Object.create(Object.prototype);273  createDataProperty(underlyingSource1, 'pull', pull);274  createDataProperty(underlyingSource1, 'cancel', cancel1);275  const branch1Stream = new ReadableStream(underlyingSource1);276  const underlyingSource2 = Object.create(Object.prototype);277  createDataProperty(underlyingSource2, 'pull', pull);278  createDataProperty(underlyingSource2, 'cancel', cancel2);279  const branch2Stream = new ReadableStream(underlyingSource2);280  pull._branch1 = branch1Stream._readableStreamController;281  pull._branch2 = branch2Stream._readableStreamController;282  reader._closedPromise.catch(r => {283    if (teeState.closedOrErrored === true) {284      return;285    }286    ReadableStreamDefaultControllerError(pull._branch1, r);287    ReadableStreamDefaultControllerError(pull._branch2, r);288    teeState.closedOrErrored = true;289  });290  return [branch1Stream, branch2Stream];291}292function create_ReadableStreamTeePullFunction() {293  function f() {294    const { _reader: reader, _branch1: branch1, _branch2: branch2, _teeState: teeState/* ,295            _cloneForBranch2: cloneForBranch2*/ } = f;296    return ReadableStreamDefaultReaderRead(reader).then(result => {297      assert(typeIsObject(result));298      const value = result.value;299      const done = result.done;300      assert(typeof done === 'boolean');301      if (done === true && teeState.closedOrErrored === false) {302        if (teeState.canceled1 === false) {303          ReadableStreamDefaultControllerClose(branch1);304        }305        if (teeState.canceled2 === false) {306          ReadableStreamDefaultControllerClose(branch2);307        }308        teeState.closedOrErrored = true;309      }310      if (teeState.closedOrErrored === true) {311        return;312      }313      const value1 = value;314      const value2 = value;315      // There is no way to access the cloning code right now in the reference implementation.316      // If we add one then we'll need an implementation for StructuredClone.317      // if (teeState.canceled2 === false && cloneForBranch2 === true) {318      //   value2 = StructuredClone(value2);319      // }320      if (teeState.canceled1 === false) {321        ReadableStreamDefaultControllerEnqueue(branch1, value1);322      }323      if (teeState.canceled2 === false) {324        ReadableStreamDefaultControllerEnqueue(branch2, value2);325      }326    });327  }328  return f;329}330function create_ReadableStreamTeeBranch1CancelFunction() {331  function f(reason) {332    const { _stream: stream, _teeState: teeState } = f;333    teeState.canceled1 = true;334    teeState.reason1 = reason;335    if (teeState.canceled2 === true) {336      const compositeReason = createArrayFromList([teeState.reason1, teeState.reason2]);337      const cancelResult = ReadableStreamCancel(stream, compositeReason);338      teeState._resolve(cancelResult);339    }340    return teeState.promise;341  }342  return f;343}344function create_ReadableStreamTeeBranch2CancelFunction() {...

Using AI Code Generation

1test(function() {2  var rs = new ReadableStream({3    start: function(controller) {4      controller.enqueue('a');5      controller.enqueue('b');6      controller.close();7    }8  });9  var reader = rs.getReader();10  var branch = rs.tee()[0];11  reader.read().then(function(result1) {12    branch.cancel().then(function() {13      return reader.read();14    }).then(function(result2) {15      assert_equals(result1.value, 'a');16      assert_equals(result1.done, false);17      assert_equals(result2.value, 'b');18      assert_equals(result2.done, false);19    });20  });21}, 'ReadableStream.prototype.tee() should not affect the other branch\'s reader');22test(function() {23  var rs = new ReadableStream({24    start: function(controller) {25      controller.enqueue('a');26      controller.enqueue('b');27      controller.close();28    }29  });30  var reader = rs.getReader();31  var branch = rs.tee()[0];32  reader.read().then(function(result1) {33    branch.cancel().then(function() {34      return reader.read();35    }).then(function(result2) {36      assert_equals(result1.value, 'a');37      assert_equals(result1.done, false);38      assert_equals(result2.value, 'b');39      assert_equals(result2.done, false);40    });41  });42}, 'ReadableStream.prototype.tee() should not affect the other branch\'s reader');43test(function() {44  var rs = new ReadableStream({45    start: function(controller) {46      controller.enqueue('a');47      controller.enqueue('b');48      controller.close();49    }50  });51  var reader = rs.getReader();52  var branch = rs.tee()[0];53  reader.read().then(function(result1) {54    branch.cancel().then(function() {55      return reader.read();56    }).then(function(result2) {57      assert_equals(result1.value, 'a');58      assert_equals(result1.done, false);59      assert_equals(result2.value, 'b');60      assert_equals(result2.done, false);61    });62  });63}, 'ReadableStream.prototype.tee() should not affect the other branch\'s reader');

Using AI Code Generation

1var rs = new ReadableStream({2  start: function (controller) {3    controller.enqueue('a');4    controller.enqueue('b');5    controller.enqueue('c');6  }7});8var [branch1, branch2] = rs.tee();9var reader1 = branch1.getReader();10var reader2 = branch2.getReader();11reader1.read().then(function (result1) {12  console.log(result1.value);13  return reader2.read();14}).then(function (result2) {15  console.log(result2.value);16  return reader1.cancel();17}).then(function () {18  return reader2.read();19}).then(function (result2) {20  console.log(result2.value);21  return reader2.cancel();22}).then(function () {23  console.log('done');24});25var rs = new ReadableStream({26  start: function (controller) {27    controller.enqueue('a');28    controller.enqueue('b');29    controller.enqueue('c');30  }31});32var [branch1, branch2] = rs.tee();33var reader1 = branch1.getReader();34var reader2 = branch2.getReader();35reader1.read().then(function (result1) {36  console.log(result1.value);37  return reader2.read();38}).then(function (result2) {39  console.log(result2.value);40  return reader2.cancel();41}).then(function () {42  return reader1.read();43}).then(function (result1) {44  console.log(result1.value);45  return reader1.cancel();46}).then(function () {47  console.log('done');48});49var highWaterMark = 100;50var strategy = new ByteLengthQueuingStrategy({ highWaterMark });51var rs = new ReadableStream({52  start(controller) {53    const chunk = new Uint8Array([0, 1, 2, 3]);54    controller.enqueue(chunk);55  }56}, strategy);57var reader = rs.getReader();58reader.read().then(result => {59  console.log(result.value);

Using AI Code Generation

1var rs = new ReadableStream({2  start: function (controller) {3    controller.enqueue("a");4    controller.enqueue("b");5    controller.enqueue("c");6  }7});8var [branch1, branch2] = rs.tee();9var reader2 = branch2.getReader();10var cancelPromise = reader2.cancel("test");11cancelPromise.then(function (val) {12  console.log("cancelPromise fulfilled with " + val);13}, function (err) {14  console.log("cancelPromise rejected with " + err);15});16var rs = new ReadableStream({17  start: function (controller) {18    controller.enqueue("a");19    controller.enqueue("b");20    controller.enqueue("c");21  }22});23var [branch1, branch2] = rs.tee();24var reader1 = branch1.getReader();25var cancelPromise = reader1.cancel("test");26cancelPromise.then(function (val) {27  console.log("cancelPromise fulfilled with " + val);28}, function (err) {29  console.log("cancelPromise rejected with " + err);30});31var rs = new ReadableStream({32  start: function (controller) {33    controller.enqueue("a");34    controller.enqueue("b");35    controller.enqueue("c");36  }37});38var [branch1, branch2] = rs.tee();39var reader1 = branch1.getReader();40var cancelPromise = reader1.cancel();41cancelPromise.then(function (val) {42  console.log("cancelPromise fulfilled with " + val);43}, function (err) {44  console.log("cancelPromise rejected with " + err);45});46var rs = new ReadableStream({47  start: function (controller) {48    controller.enqueue("a");49    controller.enqueue("b");50    controller.enqueue("c");51  }52});53var [branch1, branch2] = rs.tee();54var reader2 = branch2.getReader();55var cancelPromise = reader2.cancel();56cancelPromise.then(function (val) {57  console.log("cancelPromise fulfilled with " +

Using AI Code Generation

1var rs = new ReadableStream();2var cancelFunction = create_ReadableStreamTeeBranch1CancelFunction(rs, function() {});3assert_equals(typeof cancelFunction, 'function');4var rs = new ReadableStream();5var cancelFunction = create_ReadableStreamTeeBranch2CancelFunction(rs, function() {});6assert_equals(typeof cancelFunction, 'function');7var rs = new ReadableStream();8var controller = rs.getReader().readableStreamController;9var cancelFunction = create_ReadableStreamDefaultControllerClose(controller);10assert_equals(typeof cancelFunction, 'function');11var rs = new ReadableStream();12var controller = rs.getReader().readableStreamController;13var cancelFunction = create_ReadableStreamDefaultControllerEnqueue(controller, 'a');14assert_equals(typeof cancelFunction, 'function');15var rs = new ReadableStream();16var controller = rs.getReader().readableStreamController;17var cancelFunction = create_ReadableStreamDefaultControllerError(controller, 'a');18assert_equals(typeof cancelFunction, 'function');19var rs = new ReadableStream();20var controller = rs.getReader().readableStreamController;21var cancelFunction = create_ReadableStreamDefaultControllerGetDesiredSize(controller);22assert_equals(typeof cancelFunction, 'function');23var rs = new ReadableStream();24var controller = rs.getReader().readableStreamController;25var cancelFunction = create_ReadableStreamDefaultControllerHasBackpressure(controller);26assert_equals(typeof cancelFunction, 'function');27var rs = new ReadableStream();28var controller = rs.getReader().readableStreamController;29var cancelFunction = create_ReadableStreamDefaultControllerCanCloseOrEnqueue(controller);30assert_equals(typeof cancelFunction, 'function');31var rs = new ReadableStream();

Using AI Code Generation

1import { ReadableStream } from './readable-stream.js';2import { create_ReadableStreamTeeBranch1CancelFunction } from './readable-stream-tee.js';3const rs = new ReadableStream({4  start(controller) {5    controller.enqueue('a');6    controller.enqueue('b');7    controller.enqueue('c');8  }9});10const [branch1, branch2] = rs.tee();11const branch1CancelFunction = create_ReadableStreamTeeBranch1CancelFunction(branch2);12branch1.cancel(branch1CancelFunction);

Using AI Code Generation

1const assert = require('assert');2const { ReadableStream, createReadableStreamTee, createReadableStreamTeeBranch1CancelFunction } = require('stream/web');3const { ReadableStreamDefaultControllerClose, ReadableStreamDefaultControllerEnqueue, ReadableStreamDefaultControllerError } = require('stream/web');4const { ReadableStreamDefaultController } = require('stream/web');5const { ReadableStreamBYOBRequest } = require('stream/web');6const { ReadableByteStreamController } = require('stream/web');7const { ReadableStreamBYOBRequestRespond } = require('stream/web');8const { ReadableByteStreamControllerClose, ReadableByteStreamControllerEnqueue, ReadableByteStreamControllerError } = require('stream/web');9const { ReadableByteStreamControllerFillHeadPullIntoDescriptor, ReadableByteStreamControllerInvalidateBYOBRequest, ReadableByteStreamControllerShiftPullIntoDescriptor } = require('stream/web');10const { ReadableByteStreamControllerClearAlgorithms, ReadableByteStreamControllerClose, ReadableByteStreamControllerCommitPullIntoDescriptor, ReadableByteStreamControllerEnqueue, ReadableByteStreamControllerError, ReadableByteStreamControllerFillPullIntoDescriptorFromQueue, ReadableByteStreamControllerHandleQueueDrain, ReadableByteStreamControllerInvalidateBYOBRequest, ReadableByteStreamControllerPullInto, ReadableByteStreamControllerRespond, ReadableByteStreamControllerRespondWithNewView, ReadableByteStreamControllerShiftPullIntoDescriptor } = require('stream/web');11const { ReadableStreamDefaultReaderRead } = require('stream/web');12const { ReadableStreamBYOBReaderRead } = require('stream/web');13const { ReadableStreamDefaultReader, ReadableStreamBYOBReader } = require('stream/web');14const { ReadableStreamDefaultControllerClose, ReadableStreamDefaultControllerEnqueue, ReadableStreamDefaultControllerError } = require('stream/web');15const { ReadableStreamDefaultController } = require('stream/web');16const { ReadableStreamBYOBRequest } = require('stream/web');17const { ReadableByteStreamController } = require('stream/web');18const { ReadableStreamBYOBRequestRespond } = require('stream/web');19const { ReadableByteStreamControllerClose, ReadableByteStreamControllerEnqueue, ReadableByteStreamControllerError } = require('stream/web');20const { ReadableByteStreamControllerFillHeadPullIntoDescriptor

Using AI Code Generation

1const assert = require('assert');2const { ReadableStream, createReadableStreamTee, createReadableStreamTeeBranch1CancelFunction } = require('stream/web');3const { ReadableStreamDefaultControllerClose, ReadableStreamDefaultControllerEnqueue, ReadableStreamDefaultControllerError } = require('stream/web');4const { ReadableStreamDefaultController } = require('stream/web');5const { ReadableStreamBYOBRequest } = require('stream/web');6const { ReadableByteStreamController } = require('stream/web');7const { ReadableStreamBYOBRequestRespond } = require('stream/web');8const { ReadableByteStreamControllerClose, ReadableByteStreamControllerEnqueue, ReadableByteStreamControllerError } = require('stream/web');9const { ReadableByteStreamControllerFillHeadPullIntoDescriptor, ReadableByteStreamControllerInvalidateBYOBRequest, ReadableByteStreamControllerShiftPullIntoDescriptor } = require('stream/web');10const { ReadableByteStreamControllerClearAlgorithms, ReadableByteStreamControllerClose, ReadableByteStreamControllerCommitPullIntoDescriptor, ReadableByteStreamControllerEnqueue, ReadableByteStreamControllerError, ReadableByteStreamControllerFillPullIntoDescriptorFromQueue, ReadableByteStreamControllerHandleQueueDrain, ReadableByteStreamControllerInvalidateBYOBRequest, ReadableByteStreamControllerPullInto, ReadableByteStreamControllerRespond, ReadableByteStreamControllerRespondWithNewView, ReadableByteStreamControllerShiftPullIntoDescriptor } = require('stream/web');11const { ReadableStreamDefaultReaderRead } = require('stream/web');12const { ReadableStreamBYOBReaderRead } = require('stream/web');13const { ReadableStreamDefaultReader, ReadableStreamBYOBReader } = require('stream/web');14const { ReadableStreamDefaultControllerClose, ReadableStreamDefaultControllerEnqueue, ReadableStreamDefaultControllerError } = require('stream/web');15const { ReadableStreamDefaultController } = require('stream/web');16const { ReadableStreamBYOBRequest } = require('stream/web');17const { ReadableByteStreamController } = require('stream/web');18const { ReadableStreamBYOBRequestRespond } = require('stream/web');19const { ReadableByteStreamControllerClose, ReadableByteStreamControllerEnqueue, ReadableByteStreamControllerError } = require('stream/web');20const { ReadableByteStreamControllerFillHeadPullIntoDescriptor

Using AI Code Generation

1var rs = new ReadableStream();2var cancelFunction = create_ReadableStreamTeeBranch1CancelFunction(rs, function() {});3assert_equals(typeof cancelFunction, 'function');4var rs = new ReadableStream();5var cancelFunction = create_ReadableStreamTeeBranch2CancelFunction(rs, function() {});6assert_equals(typeof cancelFunction, 'function');7var rs = new ReadableStream();8var controller = rs.getReader().readableStreamController;9var cancelFunction = create_ReadableStreamDefaultControllerClose(controller);10assert_equals(typeof cancelFunction, 'function');11var rs = new ReadableStream();12var controller = rs.getReader().readableStreamController;13var cancelFunction = create_ReadableStreamDefaultControllerEnqueue(controller, 'a');14assert_equals(typeof cancelFunction, 'function');15var rs = new ReadableStream();16var controller = rs.getReader().readableStreamController;17var cancelFunction = create_ReadableStreamDefaultControllerError(controller, 'a');18assert_equals(typeof cancelFunction, 'function');19var rs = new ReadableStream();20var controller = rs.getReader().readableStreamController;21var cancelFunction = create_ReadableStreamDefaultControllerGetDesiredSize(controller);22assert_equals(typeof cancelFunction, 'function');23var rs = new ReadableStream();24var controller = rs.getReader().readableStreamController;25var cancelFunction = create_ReadableStreamDefaultControllerHasBackpressure(controller);26assert_equals(typeof cancelFunction, 'function');27var rs = new ReadableStream();28var controller = rs.getReader().readableStreamController;29var cancelFunction = create_ReadableStreamDefaultControllerCanCloseOrEnqueue(controller);30assert_equals(typeof cancelFunction, 'function');31var rs = new ReadableStream();

Using AI Code Generation

1import { ReadableStream } from './readable-stream.js';2import { create_ReadableStreamTeeBranch1CancelFunction } from './readable-stream-tee.js';3const rs = new ReadableStream({4  start(controller) {5    controller.enqueue('a');6    controller.enqueue('b');7    controller.enqueue('c');8  }9});10const [branch1, branch2] = rs.tee();11const branch1CancelFunction = create_ReadableStreamTeeBranch1CancelFunction(branch2);12branch1.cancel(branch1CancelFunction);

Using AI Code Generation

1import { create_ReadableStreamTeeBranch1CancelFunction } from "./wpt.js";2const cancelFunction = create_ReadableStreamTeeBranch1CancelFunction();3const readablStream = new ReadableStream({4    start(controller) {5        controller.enqueue("a");6        controller.enqueue("b");7        controller.enqueue("c");8    }9});10const [branch1, branch2] = readablStream.tee();11branch1.cancel(cancelFunction);12branch2.cancel(cancelFunction);13console.log("done");14export function create_ReadableStreamTeeBranch1CancelFunction() {15    const cancelFunction = function(reason) {16        console.log(reason);17    };18    return cancelFunction;19}20import { create_ReadableStreamTeeBranch2CancelFunction } from "./wpt.js";21const cancelFunction = create_ReadableStreamTeeBranch2CancelFunction();22const readablStream = new ReadableStream({23    start(controller) {24        controller.enqueue("a");25        controller.enqueue("b");26        controller.enqueue("c");27    }28});29const [branch1, branch2] = readablStream.tee();30branch1.cancel(cancelFunction);31branch2.cancel(cancelFunction);32console.log("done");33export function create_ReadableStreamTeeBranch2CancelFunction() {34    const cancelFunction = function(reason) {35        console.log(reason);36    };37    return cancelFunction;38}39import { create_ReadableStreamTeeBranch1CancelFunction } from "./wpt.js";40const cancelFunction = create_ReadableStreamTeeBranch1CancelFunction();41const readablStream = new ReadableStream({42    start(controller) {43        controller.enqueue("a");44        controller.enqueue("b");45        controller.enqueue("c");46    }47});48const [branch1, branch2] = readablStream.tee();49branch1.cancel(cancelFunction);50branch2.cancel(cancelFunction);

Using AI Code Generation

1import { create_ReadableStreamTeeBranch1CancelFunction } from './streams/readable-streams/tee.js';2const cancelFunc = create_ReadableStreamTeeBranch1CancelFunction();3cancelFunc();4 * @returns {Function} A cancel function for the first branch of the tee5export function create_ReadableStreamTeeBranch1CancelFunction() {6  let cancelPromise_resolve;7  const cancelPromise = new Promise(resolve => {8    cancelPromise_resolve = resolve;9  });10  return function cancel(reason) {11    console.log('cancel');12    cancelPromise_resolve(reason);13  };14}

Using AI Code Generation

1var test = require('tape');2require('../streams/readable-streams/tee.js');3test('ReadableStreamTeeBranch1CancelFunction', function(t) {4  var cancelCalled = false;5  var reason = 'reason';6  var branch = {7    cancel: function(r) {8      cancelCalled = true;9      t.equal(r, reason, 'reason should be passed to branch cancel');10    }11  };12  var cancelFunction = createReadableStreamTeeBranch1CancelFunction(branch);13  t.equal(typeof cancelFunction, 'function', 'should return a function');14  cancelFunction(reason);15  t.equal(cancelCalled, true, 'cancel should be called on branch');16  t.end();17});

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