How to use PromiseInvokeOrPerformFallback method in wpt

Best JavaScript code snippet using wpt

transform-stream.js

Source:transform-stream.js

...171  assert(transformStream._backpressure === false);172  transformStream._transforming = true;173  var transformer = transformStream._transformer;174  var controller = transformStream._transformStreamController;175  var transformPromise = PromiseInvokeOrPerformFallback(transformer,176    'transform', [chunk, controller], TransformStreamDefaultTransform,177    [chunk, controller]);178  return transformPromise.then(179    () => {180      transformStream._transforming = false;181      return TransformStreamReadableReadyPromise(transformStream);182    },183    e => {184      TransformStreamErrorIfNeeded(transformStream, e);185      return Promise.reject(e);186    });187}188function IsTransformStreamDefaultController(x) {189  if (!typeIsObject(x)) {...

helpers.js

Source:helpers.js

1/* Copyright 2017 Mozilla Foundation2 *3 * Licensed under the Apache License, Version 2.0 (the "License");4 * you may not use this file except in compliance with the License.5 * You may obtain a copy of the License at6 *7 *     http://www.apache.org/licenses/LICENSE-2.08 *9 * Unless required by applicable law or agreed to in writing, software10 * distributed under the License is distributed on an "AS IS" BASIS,11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.12 * See the License for the specific language governing permissions and13 * limitations under the License.14 */15'use strict';16(function (root, factory) {17  if (typeof define === 'function' && define.amd) {18    define('pdfjs/streams/helpers', ['exports',19      'pdfjs/shared/util'], factory);20  } else if (typeof exports !== 'undefined') {21    factory(exports, require('../shared/util.js'));22  } else {23    factory((root.pdfjsStreamsHelpers = {}), root.pdfjsSharedUtil);24  }25}(this, function (exports, sharedUtil) {26var assert = sharedUtil.assert;27function IsPropertyKey(argument) {28  return typeof argument === 'string' || typeof argument === 'symbol';29}30var typeIsObject = x => (typeof x === 'object' && x !== null) ||31                     typeof x === 'function';32var createDataProperty = (o, p, v) => {33  assert(exports.typeIsObject(o));34  Object.defineProperty(o, p, { value: v,35                                writable: true,36                                enumerable: true,37                                configurable: true });38};39var createArrayFromList = elements => {40  // We use arrays to represent lists, so this is basically a no-op.41  // Do a slice though just in case we happen to depend on the unique-ness.42  return elements.slice();43};44var ArrayBufferCopy = (dest, destOffset, src, srcOffset, n) => {45  new Uint8Array(dest).set(new Uint8Array(src, srcOffset, n), destOffset);46};47var CreateIterResultObject = (value, done) => {48  assert(typeof done === 'boolean');49  var obj = {};50  Object.defineProperty(obj, 'value', { value, enumerable: true,51                                        writable: true,52                                        configurable: true });53  Object.defineProperty(obj, 'done', { value: done, enumerable: true,54                                       writable: true,55                                       configurable: true });56  return obj;57};58var IsFiniteNonNegativeNumber = v => {59  if (Number.isNaN(v)) {60    return false;61  }62  if (v === Infinity) {63    return false;64  }65  if (v < 0) {66    return false;67  }68  return true;69};70function Call(F, V, args) {71  if (typeof F !== 'function') {72    throw new TypeError('Argument is not a function');73  }74  return Function.prototype.apply.call(F, V, args);75}76var InvokeOrNoop = (O, P, args) => {77  assert(O !== undefined);78  assert(IsPropertyKey(P));79  assert(Array.isArray(args));80  var method = O[P];81  if (method === undefined) {82    return undefined;83  }84  return Call(method, O, args);85};86var PromiseInvokeOrNoop = (O, P, args) => {87  assert(O !== undefined);88  assert(IsPropertyKey(P));89  assert(Array.isArray(args));90  try {91    return Promise.resolve(exports.InvokeOrNoop(O, P, args));92  } catch (returnValueE) {93    return Promise.reject(returnValueE);94  }95};96var PromiseInvokeOrPerformFallback = (O, P, args, F, argsF) => {97  assert(O !== undefined);98  assert(IsPropertyKey(P));99  assert(Array.isArray(args));100  assert(Array.isArray(argsF));101  let method;102  try {103    method = O[P];104  } catch (methodE) {105    return Promise.reject(methodE);106  }107  if (method === undefined) {108    return F(...argsF);109  }110  try {111    return Promise.resolve(Call(method, O, args));112  } catch (e) {113    return Promise.reject(e);114  }115};116// Not implemented correctly117var SameRealmTransfer = O => O;118var ValidateAndNormalizeHighWaterMark = highWaterMark => {119  highWaterMark = Number(highWaterMark);120  if (Number.isNaN(highWaterMark) || highWaterMark < 0) {121    throw new RangeError('highWaterMark property of a queuing' +122                         ' strategy must be non-negative and non-NaN');123  }124  return highWaterMark;125};126var ValidateAndNormalizeQueuingStrategy = (size, highWaterMark) => {127  if (size !== undefined && typeof size !== 'function') {128    throw new TypeError('size property of a queuing strategy must be' +129                        ' a function');130  }131  highWaterMark = exports.ValidateAndNormalizeHighWaterMark(highWaterMark);132  return { size, highWaterMark };133};134exports.typeIsObject = typeIsObject;135exports.createDataProperty = createDataProperty;136exports.createArrayFromList = createArrayFromList;137exports.ArrayBufferCopy = ArrayBufferCopy;138exports.CreateIterResultObject = CreateIterResultObject;139exports.IsFiniteNonNegativeNumber = IsFiniteNonNegativeNumber;140exports.InvokeOrNoop = InvokeOrNoop;141exports.PromiseInvokeOrNoop = PromiseInvokeOrNoop;142exports.PromiseInvokeOrPerformFallback = PromiseInvokeOrPerformFallback;143exports.SameRealmTransfer = SameRealmTransfer;144exports.ValidateAndNormalizeHighWaterMark = ValidateAndNormalizeHighWaterMark;145exports.ValidateAndNormalizeQueuingStrategy =146  ValidateAndNormalizeQueuingStrategy;...

Using AI Code Generation

1var promise = new Promise(function(resolve, reject) {2  resolve('Success!');3});4promise.then(function(value) {5  console.log(value);6});7var promise = new Promise(function(resolve, reject) {8  reject('Failure!');9});10promise.then(function(value) {11  console.log(value);12}, function(value) {13  console.log(value);14});15var promise = new Promise(function(resolve, reject) {16  resolve('Success!');17});18promise.then(function(value) {19  console.log(value);20}, function(value) {21});22var promise = new Promise(function(resolve, reject) {23  reject('Failure!');24});25promise.then(function(value) {26}, function(value) {27  console.log(value);28});29var promise = new Promise(function(resolve, reject) {30  resolve('Success!');31});32promise.catch(function(value) {33});34var promise = new Promise(function(resolve, reject) {35  reject('Failure!');36});37promise.catch(function(value) {38  console.log(value);39});40var promise = new Promise(function(resolve, reject) {41  resolve('Success!');42});43promise.then(function(value) {44  console.log(value);45});46promise.catch(function(value) {47});48var promise = new Promise(function(resolve, reject) {49  reject('Failure!');50});51promise.then(function(value) {52});53promise.catch(function(value) {54  console.log(value);55});56var promise = new Promise(function(resolve, reject) {57  resolve('Success!');58});59promise.then(function(value) {60  console.log(value);61}).catch(function(value) {62});63var promise = new Promise(function(resolve, reject) {64  reject('Failure!');65});66promise.then(function(value) {67}).catch(function(value) {68  console.log(value);69});70var promise = new Promise(function(resolve, reject) {71  resolve('Success!');72});73promise.then(function(value) {74  console.log(value);75}).then(function(value) {76  console.log(value);77});

Using AI Code Generation

1    if (err) return console.error(err);2    console.log(data);3});4    if (err) return console.error(err);5    console.log(data);6});7    if (err) return console.error(err);8    console.log(data);9});10    if (err) return console.error(err);11    console.log(data);12});13    if (err) return console.error(err);14    console.log(data);15});16    if (err) return console.error(err);17    console.log(data);18});19    if (err) return console.error(err);20    console.log(data);21});

Using AI Code Generation

1const wpt = require('webpagetest');2const webPageTest = new wpt('API_KEY');3webPageTest.runTest(url, {4}, (err, data) => {5  if (err) {6    console.log(err);7  } else {8    console.log(data);9  }10});11const wpt = require('webpagetest');12const webPageTest = new wpt('API_KEY');13webPageTest.runTest(url, {14}).then(data => {15  console.log(data);16}).catch(err => {17  console.log(err);18});19const wpt = require('webpagetest');20const webPageTest = new wpt('API_KEY');21webPageTest.runTest(url, {22}).then(data => {23  console.log(data);24}).catch(err => {25  console.log(err);26});27const wpt = require('webpagetest');28const webPageTest = new wpt('API_KEY');29webPageTest.runTest(url, {30}).then(data => {31  console.log(data);32}).catch(err => {33  console.log(err);34});35const wpt = require('webpagetest');36const webPageTest = new wpt('API_KEY');37webPageTest.runTest(url, {38}).then(data => {39  console.log(data);40}).catch(err => {41  console.log(err);42});

Using AI Code Generation

1var wpt = require('webpagetest');2var wpt = new WebPageTest('www.webpagetest.org');3var options = {4    lighthouseConfig: {5        settings: {6            throttling: { rttMs: 40, throughputKbps: 10 * 1024, cpuSlowdownMultiplier: 1 },7            emulatedUserAgent: 'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.90 Safari/537.36'8        }9    }10};11PromiseInvokeOrPerformFallback(wpt, 'test', options).then(function (data) {12    console.log('data', data);13}, function (err) {14    console.log('err', err);15});16var util = require('util');17var EventEmitter = require('events').EventEmitter;18var request = require('request');19var WebPageTest = function (server, key) {20    if (!(this instanceof WebPageTest)) {21        return new WebPageTest(server, key);22    }23    if (server) {24        this.server = server;25        if (this.server.indexOf('http') !== 0) {26        }27        if (this.server.substr(-1) === '/') {28            this.server = this.server.substr(0, this.server.length - 1);29        }30    }31    this.key = key;32    this.timeout = 30000;33    this.pollResults = 5;34    this.pollResultsInterval = 5000;35    this.pollResultsTimeout = 60000;36    this.pollResultsTimeoutInterval = 1000;37    this.pollResultsTimeoutIntervalDelay = 5000;38    this.pollResultsTimeoutIntervalMaxDelay = 300000;39    this.pollResultsTimeoutIntervalMultiplier = 2;40    this.pollResultsTimeoutIntervalMultiplierDelay = 60000;

Using AI Code Generation

1var url = "/fetch/api/basic/redirect.py?location=/fetch/api/basic/fetch.py&status=303";2var url2 = "/fetch/api/basic/fetch.py";3promise_test(function(test) {4    return fetch(url).then(function(resp) {5        assert_equals(resp.status, 200, "Status should be 200");6        assert_equals(resp.url, url2, "URL should be " + url2);7    });8}, "Fetch with 303 redirect");9> +    def __init__(self, logger, wpt_manifest, expectations_path, results_path):

Using AI Code Generation

1var promise = new Promise(function(resolve, reject) {2    resolve();3});4promise.then(function() {5    console.log("promise resolved");6});7var promise = new Promise(function(resolve, reject) {8    reject();9});10promise.then(function() {11    console.log("promise resolved");12}).catch(function() {13    console.log("promise rejected");14});15var promise = new Promise(function(resolve, reject) {16    resolve();17});18promise.then(function() {19    console.log("promise resolved");20});21var promise = new Promise(function(resolve, reject) {22    reject();23});24promise.then(function() {25    console.log("promise resolved");26}).catch(function() {27    console.log("promise rejected");28});29var promise = new Promise(function(resolve, reject) {30    resolve();31});32promise.then(function() {33    console.log("promise resolved");34});35var promise = new Promise(function(resolve, reject) {36    reject();37});38promise.then(function() {39    console.log("promise resolved");40}).catch(function() {41    console.log("promise rejected");42});43var promise = new Promise(function(resolve, reject) {44    resolve();45});46promise.then(function() {47    console.log("promise resolved");48});49var promise = new Promise(function(resolve, reject) {50    reject();51});52promise.then(function() {53    console.log("promise resolved");54}).catch(function() {55    console.log("promise rejected");56});57var promise = new Promise(function(resolve, reject) {58    resolve();59});60promise.then(function() {61    console.log("promise resolved");62});63var promise = new Promise(function(resolve, reject) {64    reject();65});66promise.then(function() {67    console.log("promise resolved");68}).catch(function() {69    console.log("promise rejected");70});71var promise = new Promise(function(resolve, reject) {72    resolve();73});74promise.then(function

Using AI Code Generation

1function testFunction() {2  return new Promise((resolve, reject) => {3    setTimeout(() => {4      reject(new Error('Rejected!'));5    }, 1000);6  });7}8function fallbackFunction() {9  return new Promise((resolve, reject) => {10    setTimeout(() => {11      resolve('Fallback resolved!');12    }, 1000);13  });14}15function test() {16  return wpt.promiseInvokeOrPerformFallback({}, testFunction, fallbackFunction)17  .then(result => {18    console.log(result);19  });20}21test();22PromiseInvokeOrNoop (O, P, args)23PromiseInvokeOrNoop (O, P, args, fallback)24PromiseInvokeOrPerformFallback (O, P, args, F, argsF)25PromiseInvokeOrPerformFallback (O, P, args, F, argsF, value)26PromiseInvokeOrPerformFallback (O, P, args, F, argsF, value, reason)27PromiseInvokeOrPerformAction (O, P, args, action)28PromiseInvokeOrPerformAction (O, P, args, action, result)29PromiseInvokeOrPerformAction (O, P, args, action, result, reason)30PromiseInvokeOrNoop (O, P, args)31PromiseInvokeOrNoop (O, P, args,

Using AI Code Generation

1function testPromiseInvokeOrPerformFallback() {2  return new Promise(function(resolve, reject) {3    var obj = {4      testMethod: function() {5        return 42;6      }7    };8    var fallback = function() {9      return 43;10    };11    var result = PromiseInvokeOrPerformFallback(obj, "testMethod", fallback);12    result.then(function(value) {13      assert_equals(value, 42);14      resolve();15    });16  });17}18function testPromiseInvokeOrNoop() {19  return new Promise(function(resolve, reject) {20    var obj = {21      testMethod: function() {22        return 42;23      }24    };25    var result = PromiseInvokeOrNoop(obj, "testMethod");26    result.then(function(value) {27      assert_equals(value, 42);28      resolve();29    });30  });31}32function testPromiseInvokeOrNoop() {33  return new Promise(function(resolve, reject) {34    var obj = {35      testMethod: function() {36        return 42;37      }38    };39    var result = PromiseInvokeOrNoop(obj, "testMethod");40    result.then(function(value) {41      assert_equals(value, 42);42      resolve();43    });44  });45}46function testPromiseInvokeOrNoop() {47  return new Promise(function(resolve, reject) {48    var obj = {49      testMethod: function() {50        return 42;

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.