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How to use objectToPrototypeLessMapper method in fast-check-monorepo

Best JavaScript code snippet using fast-check-monorepo

AnyArbitraryBuilder.ts

Source:AnyArbitraryBuilder.ts

1import { Arbitrary } from '../../../check/arbitrary/definition/Arbitrary';2import { stringify } from '../../../utils/stringify';3import { array } from '../../array';4import { oneof } from '../../oneof';5import { tuple } from '../../tuple';6import { bigInt } from '../../bigInt';7import { date } from '../../date';8import { float32Array } from '../../float32Array';9import { float64Array } from '../../float64Array';10import { int16Array } from '../../int16Array';11import { int32Array } from '../../int32Array';12import { int8Array } from '../../int8Array';13import { uint16Array } from '../../uint16Array';14import { uint32Array } from '../../uint32Array';15import { uint8Array } from '../../uint8Array';16import { uint8ClampedArray } from '../../uint8ClampedArray';17import { sparseArray } from '../../sparseArray';18import { keyValuePairsToObjectMapper, keyValuePairsToObjectUnmapper } from '../mappers/KeyValuePairsToObject';19import { QualifiedObjectConstraints } from '../helpers/QualifiedObjectConstraints';20import { arrayToMapMapper, arrayToMapUnmapper } from '../mappers/ArrayToMap';21import { arrayToSetMapper, arrayToSetUnmapper } from '../mappers/ArrayToSet';22import { objectToPrototypeLessMapper, objectToPrototypeLessUnmapper } from '../mappers/ObjectToPrototypeLess';23import { letrec } from '../../letrec';24import { SizeForArbitrary } from '../helpers/MaxLengthFromMinLength';25import { uniqueArray } from '../../uniqueArray';26import { createDepthIdentifier, DepthIdentifier } from '../helpers/DepthContext';27/** @internal */28function mapOf<T, U>(29  ka: Arbitrary<T>,30  va: Arbitrary<U>,31  maxKeys: number | undefined,32  size: SizeForArbitrary | undefined,33  depthIdentifier: DepthIdentifier34) {35  return uniqueArray(tuple(ka, va), {36    maxLength: maxKeys,37    size,38    comparator: 'SameValueZero',39    selector: (t) => t[0],40    depthIdentifier,41  }).map(arrayToMapMapper, arrayToMapUnmapper);42}43/** @internal */44function dictOf<U>(45  ka: Arbitrary<string>,46  va: Arbitrary<U>,47  maxKeys: number | undefined,48  size: SizeForArbitrary | undefined,49  depthIdentifier: DepthIdentifier50) {51  return uniqueArray(tuple(ka, va), {52    maxLength: maxKeys,53    size,54    selector: (t) => t[0],55    depthIdentifier,56  }).map(keyValuePairsToObjectMapper, keyValuePairsToObjectUnmapper);57}58/** @internal */59function setOf<U>(60  va: Arbitrary<U>,61  maxKeys: number | undefined,62  size: SizeForArbitrary | undefined,63  depthIdentifier: DepthIdentifier64) {65  return uniqueArray(va, { maxLength: maxKeys, size, comparator: 'SameValueZero', depthIdentifier }).map(66    arrayToSetMapper,67    arrayToSetUnmapper68  );69}70/** @internal */71// eslint-disable-next-line @typescript-eslint/ban-types72function prototypeLessOf(objectArb: Arbitrary<object>) {73  return objectArb.map(objectToPrototypeLessMapper, objectToPrototypeLessUnmapper);74}75/** @internal */76function typedArray(constraints: { maxLength: number | undefined; size: SizeForArbitrary }) {77  return oneof(78    int8Array(constraints),79    uint8Array(constraints),80    uint8ClampedArray(constraints),81    int16Array(constraints),82    uint16Array(constraints),83    int32Array(constraints),84    uint32Array(constraints),85    float32Array(constraints),86    float64Array(constraints)87  );88}89/** @internal */90export function anyArbitraryBuilder(constraints: QualifiedObjectConstraints): Arbitrary<unknown> {91  const arbitrariesForBase = constraints.values;92  const depthSize = constraints.depthSize;93  const depthIdentifier = createDepthIdentifier();94  const maxDepth = constraints.maxDepth;95  const maxKeys = constraints.maxKeys;96  const size = constraints.size;97  const baseArb = oneof(98    ...arbitrariesForBase,99    ...(constraints.withBigInt ? [bigInt()] : []),100    ...(constraints.withDate ? [date()] : [])101  );102  return letrec((tie) => ({103    anything: oneof(104      { maxDepth, depthSize, depthIdentifier },105      baseArb, // Final recursion case106      tie('array'),107      tie('object'),108      ...(constraints.withMap ? [tie('map')] : []),109      ...(constraints.withSet ? [tie('set')] : []),110      ...(constraints.withObjectString ? [tie('anything').map((o) => stringify(o))] : []),111      // eslint-disable-next-line @typescript-eslint/ban-types112      ...(constraints.withNullPrototype ? [prototypeLessOf(tie('object') as Arbitrary<object>)] : []),113      ...(constraints.withTypedArray ? [typedArray({ maxLength: maxKeys, size })] : []),114      ...(constraints.withSparseArray115        ? [sparseArray(tie('anything'), { maxNumElements: maxKeys, size, depthIdentifier })]116        : [])117    ),118    // String keys119    keys: constraints.withObjectString120      ? oneof(121          { arbitrary: constraints.key, weight: 10 },122          { arbitrary: tie('anything').map((o) => stringify(o)), weight: 1 }123        )124      : constraints.key,125    // anything[]126    array: array(tie('anything'), { maxLength: maxKeys, size, depthIdentifier }),127    // Set<anything>128    set: setOf(tie('anything'), maxKeys, size, depthIdentifier),129    // Map<key, anything> | Map<anything, anything>130    map: oneof(131      mapOf(tie('keys') as Arbitrary<string>, tie('anything'), maxKeys, size, depthIdentifier),132      mapOf(tie('anything'), tie('anything'), maxKeys, size, depthIdentifier)133    ),134    // {[key:string]: anything}135    object: dictOf(tie('keys') as Arbitrary<string>, tie('anything'), maxKeys, size, depthIdentifier),136  })).anything;...

ObjectToPrototypeLess.spec.ts

Source:ObjectToPrototypeLess.spec.ts

...7    // Arrange8    const source = {};9    expect(source).toBeInstanceOf(Object);10    // Act11    const out = objectToPrototypeLessMapper(source);12    // Assert13    expect(out).toEqual(Object.create(null));14    expect(out).not.toBeInstanceOf(Object);15  });16  it('should be able to map non-empty instance with Object prototype to non-empty without any prototype', () => {17    // Arrange18    const source = { a: 1, b: 2 };19    expect(source).toBeInstanceOf(Object);20    // Act21    const out = objectToPrototypeLessMapper(source);22    // Assert23    expect(out).toEqual(Object.assign(Object.create(null), { a: 1, b: 2 }));24    expect(out).not.toBeInstanceOf(Object);25  });26});27describe('objectToPrototypeLessUnmapper', () => {28  it('should be able to unmap empty instance without any prototype', () => {29    // Arrange30    const source = Object.create(null);31    expect(source).not.toBeInstanceOf(Object);32    // Act33    const out = objectToPrototypeLessUnmapper(source);34    // Assert35    expect(out).toEqual({});...

ObjectToPrototypeLess.ts

Source:ObjectToPrototypeLess.ts

...3 * @internal4 */5// eslint-disable-next-line @typescript-eslint/no-unused-vars6// eslint-disable-next-line @typescript-eslint/ban-types7export function objectToPrototypeLessMapper(o: object): object {8  return Object.assign(Object.create(null), o);9}10/** @internal */11// eslint-disable-next-line @typescript-eslint/no-unused-vars12// eslint-disable-next-line @typescript-eslint/ban-types13export function objectToPrototypeLessUnmapper(value: unknown): object {14  if (typeof value !== 'object' || value === null) {15    throw new Error('Incompatible instance received: should be a non-null object');16  }17  if ('__proto__' in value) {18    throw new Error('Incompatible instance received: should not have any __proto__');19  }20  return Object.assign({}, value);21}

Using AI Code Generation

1const { objectToPrototypeLessMapper } = require('fast-check-monorepo');2const obj = { a: 1, b: 2, c: 3 };3const obj2 = objectToPrototypeLessMapper(obj);4console.log(obj2);5const { objectToPrototypeLessMapper } = require('fast-check-monorepo');6const obj = { a: 1, b: 2, c: 3 };7const obj2 = objectToPrototypeLessMapper(obj);8console.log(obj2);9const { objectToPrototypeLessMapper } = require('fast-check-monorepo');10const obj = { a: 1, b: 2, c: 3 };11const obj2 = objectToPrototypeLessMapper(obj);12console.log(obj2);13const { objectToPrototypeLessMapper } = require('fast-check-monorepo');14const obj = { a: 1, b: 2, c: 3 };15const obj2 = objectToPrototypeLessMapper(obj);16console.log(obj2);17const { objectToPrototypeLessMapper } = require('fast-check-monorepo');18const obj = { a: 1, b: 2, c: 3 };19const obj2 = objectToPrototypeLessMapper(obj);20console.log(obj2);21const { objectToPrototypeLessMapper } = require('fast-check-monorepo');22const obj = { a:

Using AI Code Generation

1const { objectToPrototypeLessMapper } = require('fast-check');2const { objectToPrototypeLessMapper } = require('fast-check-monorepo');3const obj = {4};5const obj2 = objectToPrototypeLessMapper(obj);6console.log(obj2);7{ a: 1, b: 2, c: 3 }8const { objectToPrototypeLessMapper } = require('fast-check-monorepo');9const obj = {10};11const obj2 = objectToPrototypeLessMapper(obj);12console.log(obj2);13{ a: 1, b: 2, c: 3 }

Using AI Code Generation

1const { objectToPrototypeLessMapper } = require('@fast-check/arbitrary/ObjectToPrototypeLessMapper');2const { object } = require('@fast-check/arbitrary/ObjectArbitrary');3const { string } = require('@fast-check/arbitrary/StringArbitrary');4const { integer } = require('@fast-check/arbitrary/IntegerArbitrary');5const { array } = require('@fast-check/arbitrary/ArrayArbitrary');6const { record } = require('@fast-check/arbitrary/RecordArbitrary');7const { oneof } = require('@fast-check/arbitrary/OneOfArbitrary');8const { tuple } = require('@fast-check/arbitrary/TupleArbitrary');9const { cloneMethod } = require('@fast-check/arbitrary/CloneMethod');10const { clone } = require('@fast-check/arbitrary/Clone');11const { cloneViaJson } = require('@fast-check/arbitrary/CloneViaJson');12const { cloneViaConstructor } = require('@fast-check/arbitrary/CloneViaConstructor');13const { cloneViaProto } = require('@fast-check/arbitrary/CloneViaProto');14const { cloneViaAssign } = require('@fast-check/arbitrary/CloneViaAssign');15const { cloneViaAssignSymbols } = require('@fast-check/arbitrary/CloneViaAssignSymbols');16const { cloneViaAssignSymbolsAndProto } = require('@fast-check/arbitrary/CloneViaAssignSymbolsAndProto');17const { cloneViaAssignSymbolsAndProtoAndConstructor } = require('@fast-check/arbitrary/CloneViaAssignSymbolsAndProtoAndConstructor');18const { cloneViaAssignSymbolsAndProtoAndConstructorAndJson } = require('@fast-check/arbitrary/CloneViaAssignSymbolsAndProtoAndConstructorAndJson');19const { cloneViaAssignSymbolsAndProtoAndConstructorAndJsonAndAssign } = require('@fast-check/arbitrary/CloneViaAssignSymbolsAndProtoAndConstructorAndJsonAndAssign');20const { cloneViaAssignSymbolsAndProtoAndConstructorAndJsonAndAssignAndProto } = require('@fast-check/arbitrary/CloneViaAssignSymbolsAndProtoAndConstructorAndJsonAndAssignAndProto');21const { cloneViaAssignSymbolsAndProtoAndConstructorAndJsonAndAssignAndProtoAndConstructor } = require('@fast-check/arbitrary/CloneViaAssignSymbolsAndProtoAndConstructorAndJsonAndAssignAndProtoAndConstructor');22const { cloneViaAssignSymbolsAndProtoAndConstructorAndJsonAndAssignAndProtoAndConstructorAndJson } = require('@fast-check/arbitrary/CloneViaAssignSymbolsAndProtoAndConstructorAndJson

Using AI Code Generation

1const { objectToPrototypeLessMapper } = require('fast-check');2const { prototypeLessMapper } = require('fast-check/lib/src/runner/mappers/PrototypeLessMapper.js');3const obj = {4};5console.log('objectToPrototypeLessMapper', objectToPrototypeLessMapper(obj));6console.log('prototypeLessMapper', prototypeLessMapper(obj));7const { objectToPrototypeLessMapper } = require('fast-check');8const { prototypeLessMapper } = require('fast-check/lib/src/runner/mappers/PrototypeLessMapper.js');9const obj = {10};11console.log('objectToPrototypeLessMapper', objectToPrototypeLessMapper(obj));12console.log('prototypeLessMapper', prototypeLessMapper(obj));13const { objectToPrototypeLessMapper } = require('fast-check');14const { prototypeLessMapper } = require('fast-check/lib/src/runner/mappers/PrototypeLessMapper.js');15const obj = {16};17console.log('objectToPrototypeLessMapper', object

Using AI Code Generation

1const objectToPrototypeLessMapper = require("fast-check-monorepo").objectToPrototypeLessMapper;2const functionToTest = require("./functionToTest");3const schema = {a: "string", b: "number", c: "object"};4const objectToTest = objectToPrototypeLessMapper(schema);5functionToTest(objectToTest);6functionToTest({a: "string", b: "number", c: "object"});7functionToTest(Object.create({a: "string", b: "number", c: "object"}));8functionToTest(Object.create({a: "string", b: "number", c: "object", d: "boolean"}));9const objectWithNonEnumerableProperty = Object.create({a: "string", b: "number", c: "object"});10Object.defineProperty(objectWithNonEnumerableProperty, "d", {value: "boolean", enumerable: false});11functionToTest(objectWithNonEnumerableProperty);12const objectWithNonEnumerableProperty = Object.create({a: "string", b: "number", c: "object"});13Object.defineProperty(objectWithNonEnumerableProperty, "d", {value: "boolean", enumerable: false});14functionToTest(objectWithNonEnumerableProperty);15const objectWithNonEnumerableProperty = Object.create({a: "string", b: "number", c: "object"});16Object.defineProperty(objectWithNonEnumerableProperty, "d",

Using AI Code Generation

1const { objectToPrototypeLessMapper } = require('fast-check-monorepo');2function testMapperFunction() {3  const obj = {4    b: {5    }6  };7  const obj2 = {8    b: {9    }10  };11  const mapper = (key, value) => {12    if (key === 'd') {13      return undefined;14    }15    return value;16  };17  const mapped = objectToPrototypeLessMapper(obj, mapper);18  if (JSON.stringify(mapped) === JSON.stringify(obj2)) {19    return true;20  }21  return false;22}23testMapperFunction();24if (testMapperFunction()) {25  console.log('test passed');26}27else {28  console.log('test failed');29}30const { objectToPrototypeLessMapper } = require('fast-check-monorepo');31function testMapperFunction() {32  const obj = {33    b: {

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