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);

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