KaneAI - World’s First E2E Software Testing Agent.Signup for Private Beta Join TestMu Conference

How to use loadObject method in istanbul

Best JavaScript code snippet using istanbul

LoadObject.js

Source:LoadObject.js

1/**2 * Copyright (c) 2014-present, Facebook, Inc.3 * All rights reserved.4 *5 * This source code is licensed under the BSD-style license found in the6 * LICENSE file in the root directory of this source tree. An additional grant7 * of patent rights can be found in the PATENTS file in the same directory.8 *9 * @flow10 */11'use strict';12type LoadObjectOperation =13  | 'NONE'14  | 'CREATING'15  | 'LOADING'16  | 'UPDATING'17  | 'DELETING'18  ;19/**20 * A secret key that is used to prevent direct construction of these objects,21 * this is effectively used to ensure that the constructor is private.22 */23const SECRET = 'SECRET_' + Math.random();24/**25 * Immutable Load Object. This is an immutable object that represents a26 * particular point in time for a request. Some examples:27 *28 * Render spinners while loading:29 *30 *   if (loadObject.isLoading()) {31 *     return <Spinner />;32 *   }33 *   return <div>...</div>;34 *35 * Render errors with an error:36 *37 *   if (loadObject.hasError()) {38 *     return <ErrorBox error={loadObject.getError()} />;39 *   }40 *   return <div>...</div>;41 *42 * Render normally when there's a value:43 *44 *   return <div>{loadObject.getValue().text}</div>;45 *46 */47class LoadObject<V> {48  _operation: LoadObjectOperation;49  _value: ?V;50  _error: ?Error;51  _hasValue: boolean;52  /**53   * Private construtor, never call this outside of this class.54   */55  constructor(56    secret: string,57    operation: LoadObjectOperation,58    value: ?V,59    error: ?Error,60    hasValue: boolean,61  ) {62    if (secret !== SECRET) {63      throw new Error(64        'Construct LoadObjects using static methods such as ' +65        'LoadObject.loading(), LoadObject.empty()',66      );67    }68    this._operation = operation;69    this._value = value;70    this._error = error;71    this._hasValue = hasValue;72  }73  // Convenient getters74  getOperation(): LoadObjectOperation {75    return this._operation;76  }77  getValue(): ?V {78    return this._value;79  }80  getValueEnforcing(): V {81    if (!this.hasValue()) {82      throw new Error('Expected load object to have a value set.');83    }84    // We check hasValue and cast rather than checking if value is null so that85    // it's possible to have "null" values that are set.86    return (this._value: any);87  }88  getError(): ?Error {89    return this._error;90  }91  getErrorEnforcing(): Error {92    if (!this._error) {93      throw new Error('Expected load object to have an error set.');94    }95    return this._error;96  }97  hasOperation(): boolean {98    return this._operation !== 'NONE';99  }100  hasValue(): boolean {101    return this._hasValue;102  }103  hasError(): boolean {104    return !!this._error;105  }106  isEmpty(): boolean {107    return !this.hasValue() && !this.hasOperation() && !this.hasError();108  }109  // Convenient setters110  setOperation(operation: LoadObjectOperation): LoadObject<V> {111    if (this._operation === operation) {112      return this;113    }114    return new LoadObject(115      SECRET,116      operation,117      this._value,118      this._error,119      this._hasValue,120    );121  }122  setValue(value: V): LoadObject<V> {123    if (this._value === value && this._hasValue === true) {124      return this;125    }126    return new LoadObject(127      SECRET,128      this._operation,129      value,130      this._error,131      true,132    );133  }134  setError(error: Error): LoadObject<V> {135    if (this._error === error) {136      return this;137    }138    return new LoadObject(139      SECRET,140      this._operation,141      this._value,142      error,143      this._hasValue,144    );145  }146  removeOperation(): LoadObject<V> {147    if (this._operation === 'NONE') {148      return this;149    }150    return new LoadObject(151      SECRET,152      'NONE',153      this._value,154      this._error,155      this._hasValue,156    );157  }158  removeValue(): LoadObject<V> {159    if (this._value === undefined && this._hasValue === false) {160      return this;161    }162    return new LoadObject(163      SECRET,164      this._operation,165      undefined,166      this._error,167      false,168    );169  }170  removeError(): LoadObject<V> {171    if (this._error === undefined) {172      return this;173    }174    return new LoadObject(175      SECRET,176      this._operation,177      this._value,178      undefined,179      this._hasValue,180    );181  }182  map(fn: (value: V) => V): LoadObject<V> {183    if (!this.hasValue()) {184      return this;185    }186    return this.setValue(fn(this.getValueEnforcing()));187  }188  // Provide some helper methods to check specific operations189  isDone(): boolean {190    return !this.hasOperation();191  }192  isCreating(): boolean {193    return this.getOperation() === 'CREATING';194  }195  isLoading(): boolean {196    return this.getOperation() === 'LOADING';197  }198  isUpdating(): boolean {199    return this.getOperation() === 'UPDATING';200  }201  isDeleting(): boolean {202    return this.getOperation() === 'DELETING';203  }204  // Provide some helpers for mutating the operations205  done(): LoadObject<V> {206    return this.removeOperation();207  }208  creating(): LoadObject<V> {209    return this.setOperation('CREATING');210  }211  loading(): LoadObject<V> {212    return this.setOperation('LOADING');213  }214  updating(): LoadObject<V> {215    return this.setOperation('UPDATING');216  }217  deleting(): LoadObject<V> {218    return this.setOperation('DELETING');219  }220  // Static helpers for creating LoadObjects221  static empty<V>(): LoadObject<V> {222    return new LoadObject(223      SECRET,224      'NONE',225      undefined,226      undefined,227      false,228    );229  }230  static creating<V>(): LoadObject<V> {231    return new LoadObject(232      SECRET,233      'CREATING',234      undefined,235      undefined,236      false237    );238  }239  static loading<V>(): LoadObject<V> {240    return new LoadObject(241      SECRET,242      'LOADING',243      undefined,244      undefined,245      false246    );247  }248  static updating<V>(): LoadObject<V> {249    return new LoadObject(250      SECRET,251      'UPDATING',252      undefined,253      undefined,254      false255    );256  }257  static deleting<V>(): LoadObject<V> {258    return new LoadObject(259      SECRET,260      'DELETING',261      undefined,262      undefined,263      false264    );265  }266  static withError<V>(error: Error): LoadObject<V> {267    return new LoadObject(268      SECRET,269      'NONE',270      undefined,271      error,272      false273    );274  }275  static withValue<V>(value: V): LoadObject<V> {276    return new LoadObject(277      SECRET,278      'NONE',279      value,280      undefined,281      true282    );283  }284}...

Using AI Code Generation

1const istanbul = require('istanbul-api');2const libCoverage = require('istanbul-lib-coverage');3const libReport = require('istanbul-lib-report');4const reports = require('istanbul-reports');5const map = libCoverage.createCoverageMap();6map.addFileCoverage({7    statementMap: {8        '0': {9            start: {10            },11            end: {12            }13        }14    },15    fnMap: {},16    branchMap: {},17    s: {18    },19    f: {},20    b: {}21});22const context = libReport.createContext({23    watermarks: {24    }25});26const tree = libReport.summarizers.pkg(map);27const report = reports.create('html', {});28report.execute(context, tree);29[ISC](LICENSE)

Using AI Code Generation

1var istanbul = require('istanbul');2var instrumenter = new istanbul.Instrumenter();3var fs = require('fs');4var code = fs.readFileSync('test.js', 'utf8');5var instrumentedCode = instrumenter.instrumentSync(code, 'test.js');6fs.writeFileSync('test.js', instrumentedCode);7var istanbul = require('istanbul');8var instrumenter = new istanbul.Instrumenter();9var fs = require('fs');10var code = fs.readFileSync('test.js', 'utf8');11var instrumentedCode = instrumenter.instrumentSync(code, 'test.js');12fs.writeFileSync('test.js', instrumentedCode);13var istanbul = require('istanbul');14var instrumenter = new istanbul.Instrumenter();15var fs = require('fs');16var code = fs.readFileSync('test.js', 'utf8');17var instrumentedCode = instrumenter.instrumentSync(code, 'test.js');18fs.writeFileSync('test.js', instrumentedCode);19var istanbul = require('istanbul');20var instrumenter = new istanbul.Instrumenter();21var fs = require('fs');22var code = fs.readFileSync('test.js', 'utf8');23var instrumentedCode = instrumenter.instrumentSync(code, 'test.js');24fs.writeFileSync('test.js', instrumentedCode);25var istanbul = require('istanbul');26var instrumenter = new istanbul.Instrumenter();27var fs = require('fs');28var code = fs.readFileSync('test.js', 'utf8');29var instrumentedCode = instrumenter.instrumentSync(code, 'test.js');30fs.writeFileSync('test.js', instrumentedCode);31var istanbul = require('istanbul');32var instrumenter = new istanbul.Instrumenter();33var fs = require('fs');34var code = fs.readFileSync('test.js', 'utf8');35var instrumentedCode = instrumenter.instrumentSync(code, 'test.js');36fs.writeFileSync('test.js', instrumentedCode);

Using AI Code Generation

1var istanbul = require('istanbul');2var collector = new istanbul.Collector();3collector.add(loadObject("./coverage/coverage.json"));4var reporter = new istanbul.Reporter();5reporter.addAll(['text', 'text-summary']);6reporter.write(collector, true, function () {7    console.log('done');8});

Using AI Code Generation

1const istanbulApi = require('istanbul-api');2const mapStore = istanbulApi.libReport.create('json');3const coverage = istanbulApi.libCoverage.createCoverageMap();4const fs = require('fs');5const coverageJson = fs.readFileSync('coverage/coverage-final.json', 'utf8');6coverage.load(JSON.parse(coverageJson));7const coverageJson = JSON.stringify(coverage, null, 2);8fs.writeFileSync('coverage/coverage-final.json', coverageJson);9mapStore.write(coverage);

Using AI Code Generation

1var istanbul = require('istanbul');2var store = istanbul.Store.create('redis');3store.loadObject('myKey', function(err, obj) {4  console.log('obj', obj);5});6var istanbul = require('istanbul');7var store = istanbul.Store.create('redis');8store.loadObject('myKey', function(err, obj) {9  console.log('obj', obj);10});11var istanbul = require('istanbul');12var store = istanbul.Store.create('redis');13store.loadObject('myKey', function(err, obj) {14  console.log('obj', obj);15});16var istanbul = require('istanbul');17var store = istanbul.Store.create('redis');18store.loadObject('myKey', function(err, obj) {19  console.log('obj', obj);20});

Using AI Code Generation

1var istanbul = require('istanbul-lib-instrument');2var fs = require('fs');3var instrumenter = istanbul.createInstrumenter();4var code = fs.readFileSync('test.js', 'utf8');5var instrumentedCode = instrumenter.instrumentSync(code, 'test.js');6console.log(instrumentedCode);

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.