How to use PromiseInvokeOrNoop method in wpt

Best JavaScript code snippet using wpt

CommonOperations.js

Source:CommonOperations.js Github

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1// Copyright 2017 The Chromium Authors. All rights reserved.2// Use of this source code is governed by a BSD-style license that can be3// found in the LICENSE file.4// Implementation of functions that are shared between ReadableStream and5// WritableStream.6(function(global, binding, v8) {7 'use strict';8 // Common private symbols. These correspond directly to internal slots in the9 // standard. "[[X]]" in the standard is spelt _X here.10 const _queue = v8.createPrivateSymbol('[[queue]]');11 const _queueTotalSize = v8.createPrivateSymbol('[[queueTotalSize]]');12 // Javascript functions. It is important to use these copies for security and13 // robustness. See "V8 Extras Design Doc", section "Security Considerations".14 // https://docs.google.com/document/d/1AT5-T0aHGp7Lt29vPWFr2-qG8r3l9CByyvKwEuA8Ec0/edit#heading=h.9yixony1a18r15 const Boolean = global.Boolean;16 const Number = global.Number;17 const Number_isFinite = Number.isFinite;18 const Number_isNaN = Number.isNaN;19 const RangeError = global.RangeError;20 const TypeError = global.TypeError;21 const hasOwnProperty = v8.uncurryThis(global.Object.hasOwnProperty);22 function hasOwnPropertyNoThrow(x, property) {23 // The cast of |x| to Boolean will eliminate undefined and null, which would24 // cause hasOwnProperty to throw a TypeError, as well as some other values25 // that can't be objects and so will fail the check anyway.26 return Boolean(x) && hasOwnProperty(x, property);27 }28 //29 // Assert is not normally enabled, to avoid the space and time overhead. To30 // enable, uncomment this definition and then in the file you wish to enable31 // asserts for, uncomment the assert statements and add this definition:32 // const assert = pred => binding.SimpleAssert(pred);33 //34 // binding.SimpleAssert = pred => {35 // if (pred) {36 // return;37 // }38 // v8.log('\n\n\n *** ASSERTION FAILURE ***\n\n');39 // v8.logStackTrace();40 // v8.log('**************************************************\n\n');41 // class StreamsAssertionError extends Error {}42 // throw new StreamsAssertionError('Streams Assertion Failure');43 // };44 //45 // Promise-manipulation functions46 //47 // Not exported.48 function streamInternalError() {49 throw new RangeError('Stream API Internal Error');50 }51 function rejectPromise(p, reason) {52 if (!v8.isPromise(p)) {53 streamInternalError();54 }55 v8.rejectPromise(p, reason);56 }57 function resolvePromise(p, value) {58 if (!v8.isPromise(p)) {59 streamInternalError();60 }61 v8.resolvePromise(p, value);62 }63 function markPromiseAsHandled(p) {64 if (!v8.isPromise(p)) {65 streamInternalError();66 }67 v8.markPromiseAsHandled(p);68 }69 function promiseState(p) {70 if (!v8.isPromise(p)) {71 streamInternalError();72 }73 return v8.promiseState(p);74 }75 //76 // Queue-with-Sizes Operations77 //78 function DequeueValue(container) {79 // assert(80 // hasOwnProperty(container, _queue) &&81 // hasOwnProperty(container, _queueTotalSize),82 // '_container_ has [[queue]] and [[queueTotalSize]] internal slots.');83 // assert(container[_queue].length !== 0,84 // '_container_.[[queue]] is not empty.');85 const pair = container[_queue].shift();86 container[_queueTotalSize] -= pair.size;87 if (container[_queueTotalSize] < 0) {88 container[_queueTotalSize] = 0;89 }90 return pair.value;91 }92 function EnqueueValueWithSize(container, value, size) {93 // assert(94 // hasOwnProperty(container, _queue) &&95 // hasOwnProperty(container, _queueTotalSize),96 // '_container_ has [[queue]] and [[queueTotalSize]] internal 'slots.');97 size = Number(size);98 if (!IsFiniteNonNegativeNumber(size)) {99 throw new RangeError(binding.streamErrors.invalidSize);100 }101 container[_queue].push({value, size});102 container[_queueTotalSize] += size;103 }104 function PeekQueueValue(container) {105 // assert(106 // hasOwnProperty(container, _queue) &&107 // hasOwnProperty(container, _queueTotalSize),108 // '_container_ has [[queue]] and [[queueTotalSize]] internal slots.');109 // assert(container[_queue].length !== 0,110 // '_container_.[[queue]] is not empty.');111 const pair = container[_queue].peek();112 return pair.value;113 }114 function ResetQueue(container) {115 // assert(116 // hasOwnProperty(container, _queue) &&117 // hasOwnProperty(container, _queueTotalSize),118 // '_container_ has [[queue]] and [[queueTotalSize]] internal slots.');119 container[_queue] = new binding.SimpleQueue();120 container[_queueTotalSize] = 0;121 }122 // Not exported.123 function IsFiniteNonNegativeNumber(v) {124 return Number_isFinite(v) && v >= 0;125 }126 function ValidateAndNormalizeQueuingStrategy(size, highWaterMark) {127 if (size !== undefined && typeof size !== 'function') {128 throw new TypeError(binding.streamErrors.sizeNotAFunction);129 }130 highWaterMark = Number(highWaterMark);131 if (Number_isNaN(highWaterMark)) {132 throw new RangeError(binding.streamErrors.invalidHWM);133 }134 if (highWaterMark < 0) {135 throw new RangeError(binding.streamErrors.invalidHWM);136 }137 return {size, highWaterMark};138 }139 //140 // Invoking functions.141 // These differ from the Invoke versions in the spec in that they take a fixed142 // number of arguments rather than a list, and also take a name to be used for143 // the function on error.144 //145 // Internal utility functions. Not exported.146 const callFunction = v8.uncurryThis(global.Function.prototype.call);147 const errTmplMustBeFunctionOrUndefined = name =>148 `${name} must be a function or undefined`;149 const Promise_resolve = v8.simpleBind(Promise.resolve, Promise);150 const Promise_reject = v8.simpleBind(Promise.reject, Promise);151 function resolveMethod(O, P, nameForError) {152 const method = O[P];153 if (typeof method !== 'function' && typeof method !== 'undefined') {154 throw new TypeError(errTmplMustBeFunctionOrUndefined(nameForError));155 }156 return method;157 }158 // Modified from InvokeOrNoop in spec. Takes 1 argument.159 function CallOrNoop1(O, P, arg0, nameForError) {160 const method = resolveMethod(O, P, nameForError);161 if (method === undefined) {162 return undefined;163 }164 return callFunction(method, O, arg0);165 }166 // Modified from PromiseInvokeOrNoop in spec. Version with no arguments.167 function PromiseCallOrNoop0(O, P, nameForError) {168 try {169 const method = resolveMethod(O, P, nameForError);170 if (method === undefined) {171 return Promise_resolve();172 }173 return Promise_resolve(callFunction(method, O));174 } catch (e) {175 return Promise_reject(e);176 }177 }178 // Modified from PromiseInvokeOrNoop in spec. Version with 1 argument.179 function PromiseCallOrNoop1(O, P, arg0, nameForError) {180 try {181 return Promise_resolve(CallOrNoop1(O, P, arg0, nameForError));182 } catch (e) {183 return Promise_reject(e);184 }185 }186 // Modified from PromiseInvokeOrNoop in spec. Version with 2 arguments.187 function PromiseCallOrNoop2(O, P, arg0, arg1, nameForError) {188 try {189 const method = resolveMethod(O, P, nameForError);190 if (method === undefined) {191 return Promise_resolve();192 }193 return Promise_resolve(callFunction(method, O, arg0, arg1));194 } catch (e) {195 return Promise_reject(e);196 }197 }198 binding.streamOperations = {199 _queue,200 _queueTotalSize,201 hasOwnPropertyNoThrow,202 rejectPromise,203 resolvePromise,204 markPromiseAsHandled,205 promiseState,206 DequeueValue,207 EnqueueValueWithSize,208 PeekQueueValue,209 ResetQueue,210 ValidateAndNormalizeQueuingStrategy,211 CallOrNoop1,212 PromiseCallOrNoop0,213 PromiseCallOrNoop1,214 PromiseCallOrNoop2215 };...

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util.ts

Source:util.ts Github

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1const { assert } = intern.getPlugin('chai');2const { registerSuite } = intern.getInterface('object');3import * as util from '../../src/util';4const BOOLEAN_SIZE = 4;5const NUMBER_SIZE = 8;6registerSuite('util', {7 getApproximateByteSize: {8 boolean() {9 assert.strictEqual(util.getApproximateByteSize(true), BOOLEAN_SIZE);10 assert.strictEqual(util.getApproximateByteSize(false), BOOLEAN_SIZE);11 },12 number() {13 assert.strictEqual(util.getApproximateByteSize(0), NUMBER_SIZE);14 assert.strictEqual(util.getApproximateByteSize(Infinity), NUMBER_SIZE);15 assert.strictEqual(util.getApproximateByteSize(Math.pow(2, 16)), NUMBER_SIZE);16 assert.strictEqual(util.getApproximateByteSize(-Math.pow(2, 16)), NUMBER_SIZE);17 },18 string() {19 assert.strictEqual(util.getApproximateByteSize('a'), 2);20 assert.strictEqual(util.getApproximateByteSize('abc'), 6);21 assert.strictEqual(util.getApproximateByteSize(''), 0);22 },23 array() {24 let array = [25 true,26 1024,27 'abc',28 [29 false,30 8,31 'xyz'32 ],33 {34 0: true,35 abc: 'xyz',36 xyz: 1637 }38 ];39 assert.strictEqual(util.getApproximateByteSize(array), 58);40 },41 object() {42 let obj = {43 0: true,44 abc: 'xyz',45 xyz: 16,46 _d: [47 true,48 8,49 'abc'50 ]51 };52 assert.strictEqual(util.getApproximateByteSize(obj), 50);53 }54 },55 invokeOrNoop() {56 const testParameters = [ 'a', 1 ];57 let passedParameters: any;58 let callCount = 0;59 let obj = {60 testMethod: function () {61 passedParameters = Array.prototype.slice.call(arguments);62 callCount += 1;63 }64 };65 util.invokeOrNoop(obj, 'testMethod');66 assert.strictEqual(callCount, 1, 'obj.testMethod should be called');67 assert.strictEqual(passedParameters.length, 0, 'obj.testMethod should be called with no parameters');68 util.invokeOrNoop(obj, 'testMethod', testParameters);69 assert.strictEqual(callCount, 2, 'obj.testMethod should be called');70 assert.sameMembers(passedParameters, testParameters, 'obj.testMethod should be called with test parameters');71 },72 promiseInvokeOrFallbackOrNoop() {73 const testParameters = [ 'a', 1 ];74 let passedParameters: Array<any>;75 let callCount = 0;76 let otherParameters: Array<any>;77 let otherCallCount = 0;78 let obj = {79 testMethod: function () {80 passedParameters = Array.prototype.slice.call(arguments);81 callCount += 1;82 },83 otherMethod: function () {84 otherParameters = Array.prototype.slice.call(arguments);85 otherCallCount += 1;86 },87 errorMethod: function () {88 throw new Error('error');89 }90 };91 return util.promiseInvokeOrFallbackOrNoop(obj, 'testMethod', <any> undefined, 'otherMethod').then(function () {92 assert.strictEqual(callCount, 1);93 assert.strictEqual(otherCallCount, 0);94 return util.promiseInvokeOrFallbackOrNoop(obj, 'NOMETHOD', <any> undefined, 'otherMethod');95 }).then(function () {96 assert.strictEqual(callCount, 1);97 assert.strictEqual(otherCallCount, 1);98 return util.promiseInvokeOrFallbackOrNoop(obj, 'testMethod', testParameters, 'otherMethod');99 }).then(function () {100 assert.strictEqual(callCount, 2);101 assert.strictEqual(otherCallCount, 1);102 assert.sameMembers(passedParameters, testParameters, 'obj.testMethod should be called with test parameters');103 return util.promiseInvokeOrFallbackOrNoop(obj, 'NOMETHOD', <any> undefined, 'otherMethod', testParameters);104 }).then(function () {105 assert.strictEqual(callCount, 2);106 assert.strictEqual(otherCallCount, 2);107 assert.sameMembers(otherParameters, testParameters, 'obj.otherMethod should be called with test parameters');108 return util.promiseInvokeOrFallbackOrNoop(undefined, 'METHOD', <any> undefined, 'otherMethod');109 }).then(() => {110 assert.fail('should not have succeeded');111 }, () => {112 return util.promiseInvokeOrFallbackOrNoop(obj, 'errorMethod', <any> undefined, 'otherMethod');113 }).then(() => {114 assert.fail('should not have succeeded');115 }, (error: any) => {116 assert.equal(error.message, 'error');117 });118 },119 promiseInvokeOrNoop() {120 const testParameters = [ 'a', 1 ];121 let passedParameters: Array<any>;122 let callCount = 0;123 let obj = {124 testMethod: function () {125 passedParameters = Array.prototype.slice.call(arguments);126 callCount += 1;127 },128 errorMethod: function () {129 throw new Error('test');130 }131 };132 return util.promiseInvokeOrNoop(obj, 'testMethod').then(function () {133 assert.strictEqual(callCount, 1);134 return util.promiseInvokeOrNoop(obj, 'testMethod', testParameters);135 }).then(function () {136 assert.sameMembers(passedParameters, testParameters, 'obj.testMethod should be called with test parameters');137 return util.promiseInvokeOrNoop(obj, 'errorMethod');138 }).then(() => {139 assert.fail('should not have succeeded');140 }, (error: any) => {141 assert.equal(error.message, 'test');142 });143 }...

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helpers.js

Source:helpers.js Github

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...24 return undefined;25 }26 return method.apply(O, args);27}28export function PromiseInvokeOrNoop(O, P, args) {29 var method;30 try {31 method = O[P];32 } catch (methodE) {33 return Promise.reject(methodE);34 }35 if (method === undefined) {36 return Promise.resolve(undefined);37 }38 try {39 return Promise.resolve(method.apply(O, args));40 } catch (e) {41 return Promise.reject(e);42 }43}44export function PromiseInvokeOrFallbackOrNoop(O, P1, args1, P2, args2) {45 var method;46 try {47 method = O[P1];48 } catch (methodE) {49 return Promise.reject(methodE);50 }51 if (method === undefined) {52 return PromiseInvokeOrNoop(O, P2, args2);53 }54 try {55 return Promise.resolve(method.apply(O, args1));56 } catch (e) {57 return Promise.reject(e);58 }...

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Using AI Code Generation

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1function testPromiseInvokeOrNoop() {2 var obj = {3 foo: function() {4 return new Promise(function(resolve, reject) {5 resolve("foo");6 });7 }8 };9 var ret = PromiseInvokeOrNoop(obj, "foo", []);10 ret.then(function(result) {11 console.log(result);12 });13}14testPromiseInvokeOrNoop();

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Using AI Code Generation

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1var wpt = require('web-platform-tests');2var PromiseInvokeOrNoop = wpt.PromiseInvokeOrNoop;3PromiseInvokeOrNoop(/*...*/);4var wpt = require('web-platform-tests');5var PromiseInvokeOrNoop = wpt.PromiseInvokeOrNoop;6PromiseInvokeOrNoop(/*...*/);7var wpt = require('web-platform-tests');8var PromiseInvokeOrNoop = wpt.PromiseInvokeOrNoop;9PromiseInvokeOrNoop(/*...*/);10var wpt = require('web-platform-tests');11var PromiseInvokeOrNoop = wpt.PromiseInvokeOrNoop;12PromiseInvokeOrNoop(/*...*/);13var wpt = require('web-platform-tests');14var PromiseInvokeOrNoop = wpt.PromiseInvokeOrNoop;15PromiseInvokeOrNoop(/*...*/);16var wpt = require('web-platform-tests');17var PromiseInvokeOrNoop = wpt.PromiseInvokeOrNoop;18PromiseInvokeOrNoop(/*...*/);19var wpt = require('web-platform-tests');20var PromiseInvokeOrNoop = wpt.PromiseInvokeOrNoop;21PromiseInvokeOrNoop(/*...*/);22var wpt = require('web-platform-tests');23var PromiseInvokeOrNoop = wpt.PromiseInvokeOrNoop;24PromiseInvokeOrNoop(/*...*/);25var wpt = require('web-platform-tests');26var PromiseInvokeOrNoop = wpt.PromiseInvokeOrNoop;27PromiseInvokeOrNoop(/*...*/);28var wpt = require('web-platform-tests');

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Using AI Code Generation

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1var wpt = require('web-platform-test');2var PromiseInvokeOrNoop = wpt.PromiseInvokeOrNoop;3var assert = require('assert');4var promise = new Promise(function(resolve, reject) {5 resolve('foo');6});7var obj = {8 foo: function() {9 return promise;10 }11};12PromiseInvokeOrNoop(obj, 'foo', []).then(function(res) {13 assert.equal(res, 'foo');14 console.log('test passed');15});

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Using AI Code Generation

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1var wpt = require('./wpt.js');2wpt.PromiseInvokeOrNoop('test', 'test', 'test', 'test', 'test').then(function (result) {3 console.log(result);4}).catch(function (err) {5 console.log(err);6});7var PromiseInvokeOrNoop = function (obj, method, args, desc, fallback) {8 return new Promise(function (resolve, reject) {9 if (obj === undefined || obj === null) {10 resolve(fallback);11 } else {12 var m = obj[method];13 if (m === undefined || m === null) {14 resolve(fallback);15 } else {16 if (typeof m !== 'function') {17 reject(new TypeError(desc + ' is not a function'));18 } else {19 var result = m.apply(obj, args);20 resolve(result);21 }22 }23 }24 });25}26module.exports = {27}

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Using AI Code Generation

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1const wpt = require('./wpt.js');2const { PromiseInvokeOrNoop } = wpt;3const promise = Promise.resolve();4const obj = {5 test: function() {6 return promise;7 }8};9PromiseInvokeOrNoop(obj, 'test', []).then(function() {10 console.log('test success');11});12const { PromiseInvokeOrNoop } = require('whatwg-url');13module.exports = {14};

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Using AI Code Generation

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1var wpt = new WebPlatformTest();2var object = {3 method: function() {4 return 'return value';5 }6};7wpt.addTest('PromiseInvokeOrNoop', function() {8 return wpt.PromiseInvokeOrNoop(object, 'method', undefined, undefined).then(function(result) {9 assert_equals(result, 'return value');10 });11});12WebPlatformTest.prototype.PromiseInvokeOrNoop = function(object, method, args, thisArg) {13 var method = object[method];14 if (method === undefined) {15 return Promise.resolve();16 }17 return Promise.resolve().then(function() {18 return method.apply(thisArg, args);19 });20};21var wpt = new WebPlatformTest();22var object = {23 method: function() {24 return 'return value';25 }26};27wpt.addTest('PromiseInvokeOrNoop', function() {28 return wpt.PromiseInvokeOrNoop(object, 'method', undefined, undefined).then(function(result) {29 assert_equals(result, 'return value');30 });31});32WebPlatformTest.prototype.PromiseInvokeOrNoop = function(object, method, args, thisArg) {33 var method = object[method];34 if (method === undefined) {35 return Promise.resolve();36 }37 return Promise.resolve().then(function() {38 return method.apply(thisArg, args);39 });40};41var wpt = new WebPlatformTest();42var object = {43 method: function() {44 return 'return value';45 }46};47wpt.addTest('PromiseInvokeOrNoop', function() {48 return wpt.PromiseInvokeOrNoop(object, 'method', undefined, undefined).then(function(result) {49 assert_equals(result, 'return value');50 });51});52WebPlatformTest.prototype.PromiseInvokeOrNoop = function(object, method, args, thisArg) {53 var method = object[method];54 if (method === undefined) {

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