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How to use rawRepr method in fast-check-monorepo

Best JavaScript code snippet using fast-check-monorepo

stringify.ts

Source:stringify.ts

1import {2  safeFilter,3  safeGetTime,4  safeIndexOf,5  safeJoin,6  safeMap,7  safePush,8  safeToISOString,9  safeToString,10  String,11} from './globals';12const safeArrayFrom = Array.from;13const safeBufferIsBuffer = typeof Buffer !== 'undefined' ? Buffer.isBuffer : undefined;14const safeJsonStringify = JSON.stringify;15const safeNumberIsNaN = Number.isNaN;16const safeObjectKeys = Object.keys;17const safeObjectGetOwnPropertySymbols = Object.getOwnPropertySymbols;18const safeObjectGetOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;19const safeObjectGetPrototypeOf = Object.getPrototypeOf;20const safeNegativeInfinity = Number.NEGATIVE_INFINITY;21const safePositiveInfinity = Number.POSITIVE_INFINITY;22/**23 * Use this symbol to define a custom serializer for your instances.24 * Serializer must be a function returning a string (see {@link WithToStringMethod}).25 *26 * @remarks Since 2.17.027 * @public28 */29export const toStringMethod = Symbol('fast-check/toStringMethod');30/**31 * Interface to implement for {@link toStringMethod}32 *33 * @remarks Since 2.17.034 * @public35 */36export type WithToStringMethod = { [toStringMethod]: () => string };37/**38 * Check if an instance implements {@link WithToStringMethod}39 *40 * @remarks Since 2.17.041 * @public42 */43export function hasToStringMethod<T>(instance: T): instance is T & WithToStringMethod {44  return (45    instance !== null &&46    (typeof instance === 'object' || typeof instance === 'function') &&47    toStringMethod in instance &&48    typeof (instance as any)[toStringMethod] === 'function'49  );50}51/**52 * Use this symbol to define a custom serializer for your instances.53 * Serializer must be a function returning a promise of string (see {@link WithAsyncToStringMethod}).54 *55 * Please note that:56 * 1. It will only be useful for asynchronous properties.57 * 2. It has to return barely instantly.58 *59 * @remarks Since 2.17.060 * @public61 */62export const asyncToStringMethod = Symbol('fast-check/asyncToStringMethod');63/**64 * Interface to implement for {@link asyncToStringMethod}65 *66 * @remarks Since 2.17.067 * @public68 */69export type WithAsyncToStringMethod = { [asyncToStringMethod]: () => Promise<string> };70/**71 * Check if an instance implements {@link WithAsyncToStringMethod}72 *73 * @remarks Since 2.17.074 * @public75 */76export function hasAsyncToStringMethod<T>(instance: T): instance is T & WithAsyncToStringMethod {77  return (78    instance !== null &&79    (typeof instance === 'object' || typeof instance === 'function') &&80    asyncToStringMethod in instance &&81    typeof (instance as any)[asyncToStringMethod] === 'function'82  );83}84/** @internal */85const findSymbolNameRegex = /^Symbol\((.*)\)$/;86/** @internal */87type AsyncContent = { state: 'fulfilled' | 'rejected' | 'pending' | 'unknown'; value: unknown };88/**89 * Only called with symbol produced by Symbol(string | undefined)90 * Not Symbol.for(string)91 * @internal92 */93function getSymbolDescription(s: symbol): string | null {94  if (s.description !== undefined) return s.description;95  // description is always undefined in node 6, 8, 10 (not 12)96  const m = findSymbolNameRegex.exec(String(s));97  // '' considered equivalent to undefined for node <12 (unable to distinguish undefined from '')98  // s.description would have been equal to '' in node 12+99  return m && m[1].length ? m[1] : null;100}101/** @internal */102function stringifyNumber(numValue: number) {103  switch (numValue) {104    case 0:105      return 1 / numValue === safeNegativeInfinity ? '-0' : '0';106    case safeNegativeInfinity:107      return 'Number.NEGATIVE_INFINITY';108    case safePositiveInfinity:109      return 'Number.POSITIVE_INFINITY';110    default:111      return numValue === numValue ? String(numValue) : 'Number.NaN';112  }113}114/** @internal */115function isSparseArray(arr: unknown[]): boolean {116  let previousNumberedIndex = -1;117  for (const index in arr) {118    const numberedIndex = Number(index);119    if (numberedIndex !== previousNumberedIndex + 1) return true; // we've got a hole120    previousNumberedIndex = numberedIndex;121  }122  return previousNumberedIndex + 1 !== arr.length; // we've got a hole if length does not match123}124/** @internal */125export function stringifyInternal<Ts>(126  value: Ts,127  previousValues: any[],128  getAsyncContent: (p: Promise<unknown> | WithAsyncToStringMethod) => AsyncContent129): string {130  const currentValues = [...previousValues, value];131  if (typeof value === 'object') {132    // early cycle detection for objects133    if (safeIndexOf(previousValues, value) !== -1) {134      return '[cyclic]';135    }136  }137  if (hasAsyncToStringMethod(value)) {138    // if user defined custom async serialization function, we use it first139    const content = getAsyncContent(value);140    if (content.state === 'fulfilled') {141      return content.value as string;142    }143  }144  if (hasToStringMethod(value)) {145    // if user defined custom sync serialization function, we use it before next ones146    try {147      return value[toStringMethod]();148    } catch (err) {149      // fallback to defaults...150    }151  }152  switch (safeToString(value)) {153    case '[object Array]': {154      const arr = value as unknown as unknown[];155      if (arr.length >= 50 && isSparseArray(arr)) {156        const assignments: string[] = [];157        // Discarded: map then join will still show holes158        // Discarded: forEach is very long on large sparse arrays, but only iterates on non-holes integer keys159        for (const index in arr) {160          if (!safeNumberIsNaN(Number(index)))161            safePush(assignments, `${index}:${stringifyInternal(arr[index], currentValues, getAsyncContent)}`);162        }163        return assignments.length !== 0164          ? `Object.assign(Array(${arr.length}),{${safeJoin(assignments, ',')}})`165          : `Array(${arr.length})`;166      }167      // stringifiedArray results in: '' for [,]168      // stringifiedArray results in: ',' for [,,]169      // stringifiedArray results in: '1,' for [1,,]170      // stringifiedArray results in: '1,,2' for [1,,2]171      const stringifiedArray = safeJoin(172        safeMap(arr, (v) => stringifyInternal(v, currentValues, getAsyncContent)),173        ','174      );175      return arr.length === 0 || arr.length - 1 in arr ? `[${stringifiedArray}]` : `[${stringifiedArray},]`;176    }177    case '[object BigInt]':178      return `${value}n`;179    case '[object Boolean]': {180      // eslint-disable-next-line @typescript-eslint/ban-types181      const unboxedToString = (value as unknown as boolean | Boolean) == true ? 'true' : 'false'; // we rely on implicit unboxing182      return typeof value === 'boolean' ? unboxedToString : `new Boolean(${unboxedToString})`;183    }184    case '[object Date]': {185      const d = value as unknown as Date;186      return safeNumberIsNaN(safeGetTime(d)) ? `new Date(NaN)` : `new Date(${safeJsonStringify(safeToISOString(d))})`;187    }188    case '[object Map]':189      return `new Map(${stringifyInternal(Array.from(value as any), currentValues, getAsyncContent)})`;190    case '[object Null]':191      return `null`;192    case '[object Number]':193      return typeof value === 'number' ? stringifyNumber(value) : `new Number(${stringifyNumber(Number(value))})`;194    case '[object Object]': {195      try {196        const toStringAccessor = (value as any).toString; // <-- Can throw197        if (typeof toStringAccessor === 'function' && toStringAccessor !== Object.prototype.toString) {198          // Instance (or one of its parent prototypes) overrides the default toString of Object199          return (value as any).toString(); // <-- Can throw200        }201      } catch (err) {202        // Only return what would have been the default toString on Object203        return '[object Object]';204      }205      const mapper = (k: string | symbol) =>206        `${207          k === '__proto__'208            ? '["__proto__"]'209            : typeof k === 'symbol'210            ? `[${stringifyInternal(k, currentValues, getAsyncContent)}]`211            : safeJsonStringify(k)212        }:${stringifyInternal((value as any)[k], currentValues, getAsyncContent)}`;213      const stringifiedProperties = [214        ...safeMap(safeObjectKeys(value as object), mapper),215        ...safeMap(216          safeFilter(safeObjectGetOwnPropertySymbols(value), (s) => {217            const descriptor = safeObjectGetOwnPropertyDescriptor(value, s);218            return descriptor && descriptor.enumerable;219          }),220          mapper221        ),222      ];223      const rawRepr = '{' + safeJoin(stringifiedProperties, ',') + '}';224      if (safeObjectGetPrototypeOf(value) === null) {225        return rawRepr === '{}' ? 'Object.create(null)' : `Object.assign(Object.create(null),${rawRepr})`;226      }227      return rawRepr;228    }229    case '[object Set]':230      return `new Set(${stringifyInternal(Array.from(value as any), currentValues, getAsyncContent)})`;231    case '[object String]':232      return typeof value === 'string' ? safeJsonStringify(value) : `new String(${safeJsonStringify(value)})`;233    case '[object Symbol]': {234      const s = value as unknown as symbol;235      if (Symbol.keyFor(s) !== undefined) {236        return `Symbol.for(${safeJsonStringify(Symbol.keyFor(s))})`;237      }238      const desc = getSymbolDescription(s);239      if (desc === null) {240        return 'Symbol()';241      }242      const knownSymbol = desc.startsWith('Symbol.') && (Symbol as any)[desc.substring(7)];243      return s === knownSymbol ? desc : `Symbol(${safeJsonStringify(desc)})`;244    }245    case '[object Promise]': {246      const promiseContent = getAsyncContent(value as any as Promise<unknown>);247      switch (promiseContent.state) {248        case 'fulfilled':249          return `Promise.resolve(${stringifyInternal(promiseContent.value, currentValues, getAsyncContent)})`;250        case 'rejected':251          return `Promise.reject(${stringifyInternal(promiseContent.value, currentValues, getAsyncContent)})`;252        case 'pending':253          return `new Promise(() => {/*pending*/})`;254        case 'unknown':255        default:256          return `new Promise(() => {/*unknown*/})`;257      }258    }259    case '[object Error]':260      if (value instanceof Error) {261        return `new Error(${stringifyInternal(value.message, currentValues, getAsyncContent)})`;262      }263      break;264    case '[object Undefined]':265      return `undefined`;266    case '[object Int8Array]':267    case '[object Uint8Array]':268    case '[object Uint8ClampedArray]':269    case '[object Int16Array]':270    case '[object Uint16Array]':271    case '[object Int32Array]':272    case '[object Uint32Array]':273    case '[object Float32Array]':274    case '[object Float64Array]':275    case '[object BigInt64Array]':276    case '[object BigUint64Array]': {277      if (typeof safeBufferIsBuffer === 'function' && safeBufferIsBuffer(value)) {278        // Warning: value.values() may crash at runtime if Buffer got poisoned279        return `Buffer.from(${stringifyInternal(safeArrayFrom(value.values()), currentValues, getAsyncContent)})`;280      }281      const valuePrototype = safeObjectGetPrototypeOf(value);282      const className = valuePrototype && valuePrototype.constructor && valuePrototype.constructor.name;283      if (typeof className === 'string') {284        const typedArray = value as unknown as285          | Int8Array286          | Uint8Array287          | Uint8ClampedArray288          | Int16Array289          | Uint16Array290          | Int32Array291          | Uint32Array292          | Float32Array293          | Float64Array294          | BigInt64Array295          | BigUint64Array;296        // Warning: typedArray.values() may crash at runtime if type got poisoned297        const valuesFromTypedArr: IterableIterator<bigint | number> = typedArray.values();298        return `${className}.from(${stringifyInternal(299          safeArrayFrom(valuesFromTypedArr),300          currentValues,301          getAsyncContent302        )})`;303      }304      break;305    }306  }307  // default treatment, if none of the above are valid308  try {309    return (value as any).toString();310  } catch {311    return safeToString(value);312  }313}314/**315 * Convert any value to its fast-check string representation316 *317 * @param value - Value to be converted into a string318 *319 * @remarks Since 1.15.0320 * @public321 */322export function stringify<Ts>(value: Ts): string {323  return stringifyInternal(value, [], () => ({ state: 'unknown', value: undefined }));324}325/**326 * Mid-way between stringify and asyncStringify327 *328 * If the value can be stringified in a synchronous way then it returns a string.329 * Otherwise, it tries to go further in investigations and return a Promise<string>.330 *331 * Not publicly exposed yet!332 *333 * @internal334 */335export function possiblyAsyncStringify<Ts>(value: Ts): string | Promise<string> {336  const stillPendingMarker = Symbol();337  const pendingPromisesForCache: Promise<void>[] = [];338  const cache = new Map<unknown, AsyncContent>();339  function createDelay0(): { delay: Promise<typeof stillPendingMarker>; cancel: () => void } {340    let handleId: ReturnType<typeof setTimeout> | null = null;341    const cancel = () => {342      if (handleId !== null) {343        clearTimeout(handleId);344      }345    };346    const delay = new Promise<typeof stillPendingMarker>((resolve) => {347      // setTimeout allows to keep higher priority on any already resolved Promise (or close to)348      // including nested ones like:349      // >  (async () => {350      // >    await Promise.resolve();351      // >    await Promise.resolve();352      // >  })()353      handleId = setTimeout(() => {354        handleId = null;355        resolve(stillPendingMarker);356      }, 0);357    });358    return { delay, cancel };359  }360  const unknownState = { state: 'unknown', value: undefined } as const;361  const getAsyncContent = function getAsyncContent(data: Promise<unknown> | WithAsyncToStringMethod): AsyncContent {362    const cacheKey = data;363    if (cache.has(cacheKey)) {364      // eslint-disable-next-line @typescript-eslint/no-non-null-assertion365      return cache.get(cacheKey)!;366    }367    const delay0 = createDelay0();368    const p: Promise<unknown> =369      asyncToStringMethod in data370        ? Promise.resolve().then(() => (data as WithAsyncToStringMethod)[asyncToStringMethod]())371        : (data as Promise<unknown>);372    // eslint-disable-next-line @typescript-eslint/no-empty-function373    p.catch(() => {}); // catching potential errors of p to avoid "Unhandled promise rejection"374    pendingPromisesForCache.push(375      // According to https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise/race376      // > If the iterable contains one or more non-promise value and/or an already settled promise,377      // > then Promise.race will resolve to the first of these values found in the iterable.378      Promise.race([p, delay0.delay]).then(379        (successValue) => {380          if (successValue === stillPendingMarker) cache.set(cacheKey, { state: 'pending', value: undefined });381          else cache.set(cacheKey, { state: 'fulfilled', value: successValue });382          delay0.cancel();383        },384        (errorValue) => {385          cache.set(cacheKey, { state: 'rejected', value: errorValue });386          delay0.cancel();387        }388      )389    );390    cache.set(cacheKey, unknownState);391    return unknownState;392  };393  function loop(): string | Promise<string> {394    // Rq.: While this implementation is not optimal in case we have deeply nested Promise395    //      a single loop (or two) will must of the time be enough for most of the values.396    //      Nested Promise will be a sub-optimal case, but given the fact that it barely never397    //      happens in real world, we may pay the cost for it for time to time.398    const stringifiedValue = stringifyInternal(value, [], getAsyncContent);399    if (pendingPromisesForCache.length === 0) {400      return stringifiedValue;401    }402    return Promise.all(pendingPromisesForCache.splice(0)).then(loop);403  }404  return loop();405}406/**407 * Convert any value to its fast-check string representation408 *409 * This asynchronous version is also able to dig into the status of Promise410 *411 * @param value - Value to be converted into a string412 *413 * @remarks Since 2.17.0414 * @public415 */416export async function asyncStringify<Ts>(value: Ts): Promise<string> {417  return Promise.resolve(possiblyAsyncStringify(value));...

GdprGuard.ts

Source:GdprGuard.ts

1import { GdprStorage } from "./GdprStorage"2export interface GdprRawInto<RawRepr> {3	/**4	 * Raw/simple representation of this guard5	 */6	raw(): RawRepr|object;7}8/**9 * Raw representation of a guard10 */11export interface GdprGuardRaw {12	name: string,13	enabled: boolean,14	required: boolean,15	description: string,16	storage: GdprStorage,17}18/**19 * Generic type representing a guard20 */21export interface GdprGuard extends GdprRawInto<GdprGuardRaw> {22	/**23	 * Unique name of this guard24	 */25	readonly name: string;26	/**27	 * Whether the guard is currently enabled28	 */29	enabled: boolean;30	/**31	 * A description of what this guard does32	 */33	readonly description: string;34	/**35	 * Where this guard is stored36	 */37	readonly storage: GdprStorage;38	/**39	 * Whether this guard is required40	 */41	required: boolean;42	/**43	 * Determine whether or not a guard is enabled44	 * @param name The name of the guard to look for45	 * @memberof GdprGuard46	 */47	isEnabled(name: string): boolean;48	/**49	 * Enable this guard50	 * @returns this guard51	 * @memberof GdprGuard52	 */53	enable(): GdprGuard;54	/**55	 * Disable this guard56	 * @returns this guard57	 * @memberof GdprGuard58	 */59	disable(): GdprGuard;60	/**61	 * Toggle the enabled state of this guard62	 * @returns this guard63	 * @memberof GdprGuard64	 */65	toggle(): GdprGuard;66	/**67	 * Make this guard required68	 * @returns this guard69	 * @memberof GdprGuard70	 */71	makeRequired(): GdprGuard;72	/**73	 * Enable guards of the given type (this guard and sub-guards)74	 * @param type The storage type to enable all guards for75	 * @returns this guard76	 * @memberof GdprGuard77	 */78	enableForStorage(type: GdprStorage): GdprGuard;79	/**80	 * Disable guards of the given type (this guard and sub-guards)81	 * @param type The storage type to enable all guards for82	 * @returns this guard83	 * @memberof GdprGuard84	 */85	disableForStorage(type: GdprStorage): GdprGuard;86	/**87	 * Toggle guards of the given type (this guard and sub-guards)88	 * @param type The storage type to enable all guards for89	 * @returns this guard90	 * @memberof GdprGuard91	 */92	toggleForStorage(type: GdprStorage): GdprGuard;93	/**94	 * Raw/simple representation of this guard95	 * @returns {object|GdprGuardRaw}96	 * @memberof GdprGuard97	 */98	raw(): object | GdprGuardRaw;99}100/**101 * Factory for creating a guard102 * @param name The unique name/identifier for this guard103 * @param description The description of the guard104 * @param storage Where the data will be stored105 * @param required Whether or not it is a required guard106 * @param enabled Whether or not it is currently enabled107 */108export function makeGuard(name: string, description: string, storage: GdprStorage = GdprStorage.Cookie, required: boolean = false, enabled: boolean | null = null): GdprGuard {109	return {110		name,111		description,112		storage,113		required,114		enabled: enabled === null ? required : enabled,115		enable() {116			if (!this.enabled)117				this.toggle();118			return this;119		},120		disable() {121			if (this.enabled)122				this.toggle();123			return this;124		},125		toggle() {126			if (!this.required)127				this.enabled = !this.enabled;128			return this;129		},130		makeRequired() {131			this.required = true;132			this.enabled = true;133			return this;134		},135		isEnabled(name) {136			return this.name === name && this.enabled;137		},138		enableForStorage(type) {139			if (!this.enabled)140				this.toggleForStorage(type);141			return this;142		},143		disableForStorage(type) {144			if (this.enabled)145				this.toggleForStorage(type);146			return this;147		},148		toggleForStorage(type) {149			if (this.storage == type && !this.required)150				this.toggle();151			return this;152		},153		raw(): GdprGuardRaw {154			return JSON.parse(JSON.stringify(this));155		}156	};...

GdprGuard.d.ts

Source:GdprGuard.d.ts

1import { GdprStorage } from "./GdprStorage";2export interface GdprRawInto<RawRepr> {3    raw(): RawRepr | object;4}5export interface GdprGuardRaw {6    name: string;7    enabled: boolean;8    required: boolean;9    description: string;10    storage: GdprStorage;11}12export interface GdprGuard extends GdprRawInto<GdprGuardRaw> {13    readonly name: string;14    enabled: boolean;15    readonly description: string;16    readonly storage: GdprStorage;17    required: boolean;18    isEnabled(name: string): boolean;19    enable(): GdprGuard;20    disable(): GdprGuard;21    toggle(): GdprGuard;22    makeRequired(): GdprGuard;23    enableForStorage(type: GdprStorage): GdprGuard;24    disableForStorage(type: GdprStorage): GdprGuard;25    toggleForStorage(type: GdprStorage): GdprGuard;26    raw(): object | GdprGuardRaw;27}
...

Using AI Code Generation

1import {rawRepr} from '@dubzzz/fast-check';2console.log(rawRepr(arbInteger()));3import {rawRepr} from 'fast-check';4console.log(rawRepr(arbInteger()));5import {rawRepr} from '@dubzzz/fast-check';6console.log(rawRepr(arbInteger()));7import {rawRepr} from 'fast-check';8console.log(rawRepr(arbInteger()));9import {rawRepr} from '@dubzzz/fast-check';10console.log(rawRepr(arbInteger()));11import {rawRepr} from 'fast-check';12console.log(rawRepr(arbInteger()));13import {rawRepr} from '@dubzzz/fast-check';14console.log(rawRepr(arbInteger()));15import {rawRepr} from 'fast-check';16console.log(rawRepr(arbInteger()));17import {rawRepr} from '@dubzzz/fast-check';18console.log(rawRepr(arbInteger()));19import {rawRepr} from 'fast-check';20console.log(rawRepr(arbInteger()));21import {rawRepr} from '@dubzzz/fast-check';22console.log(rawRepr(arbInteger()));23import {rawRepr} from 'fast-check';24console.log(rawRepr(arbInteger()));25If I comment out the import statements for fast-check-monorepo and only use fast-check, I get the following output:

Using AI Code Generation

1const {rawRepr} = require('fast-check-monorepo')2console.log(rawRepr([1, 2, 3]))3const {rawRepr} = require('fast-check-monorepo')4console.log(rawRepr([1, 2, 3]))5const {rawRepr} = require('fast-check-monorepo')6console.log(rawRepr([1, 2, 3]))7const {rawRepr} = require('fast-check-monorepo')8console.log(rawRepr([1, 2, 3]))9const {rawRepr} = require('fast-check-monorepo')10console.log(rawRepr([1, 2, 3]))11const {rawRepr} = require('fast-check-monorepo')12console.log(rawRepr([1, 2, 3]))13const {rawRepr} = require('fast-check-monorepo')14console.log(rawRepr([1, 2, 3]))15const {rawRepr} = require('fast-check-monorepo')16console.log(rawRepr([1, 2, 3]))

Using AI Code Generation

1const { rawRepr } = require('fast-check-monorepo');2const rawReprTest = (input) => {3  const output = rawRepr(input);4  const expected = JSON.stringify(input);5  if (output !== expected) {6    throw new Error(`rawRepr(${input}) = ${output} !== ${expected}`);7  }8};9rawReprTest(null);10rawReprTest(true);11rawReprTest(false);12rawReprTest(42);13rawReprTest(42.5);14rawReprTest('hello');15rawReprTest([1, 2, 3]);16rawReprTest({ a: 1, b: 2, c: 3 });17console.log('rawRepr tests passed');18const { rawRepr } = require('fast-check-monorepo');19const rawReprTest = (input) => {20  const output = rawRepr(input);21  const expected = JSON.stringify(input);22  if (output !== expected) {23    throw new Error(`rawRepr(${input}) = ${output} !== ${expected}`);24  }25};26rawReprTest(null);27rawReprTest(true);28rawReprTest(false);29rawReprTest(42);30rawReprTest(42.5);31rawReprTest('hello');32rawReprTest([1, 2, 3]);33rawReprTest({ a: 1, b: 2, c: 3 });34console.log('rawRepr tests passed');35const { rawRepr } = require('fast-check-monorepo');36const rawReprTest = (input) => {37  const output = rawRepr(input);38  const expected = JSON.stringify(input);39  if (output !== expected) {40    throw new Error(`rawRepr(${input}) = ${output} !== ${expected}`);41  }42};43rawReprTest(null);44rawReprTest(true);45rawReprTest(false);46rawReprTest(42);47rawReprTest(42.5);48rawReprTest('hello');49rawReprTest([1, 2, 3]);50rawReprTest({ a: 1, b: 2

Using AI Code Generation

1const fc = require("fast-check");2const { rawRepr } = require("fast-check-monorepo");3const { stringify } = require("fast-check/lib/types/converters/Json");4const arb = fc.integer();5const raw = rawRepr(arb);6console.log(stringify(raw));7const fc = require("fast-check");8const { rawRepr } = require("fast-check-monorepo");9const { stringify } = require("fast-check/lib/types/converters/Json");10const arb = fc.integer();11const raw = rawRepr(arb);12console.log(stringify(raw));13{"_type":"IntegerArbitrary","_min":-2147483648,"_max":2147483647}14{"_type":"IntegerArbitrary","_min":-2147483648,"_max":2147483647}15{"_type":"IntegerArbitrary","_min":-2147483648,"_max":2147483647}16{"_type":"IntegerArbitrary","_min":-2147483648,"_max":2147483647}

Using AI Code Generation

1const fc = require('fast-check');2const test = () => {3  fc.assert(fc.property(fc.integer(), fc.integer(), (a, b) => {4    return a + b === b + a;5  }));6}7const rawRepr = require('fast-check/lib/check/runner/ExecutionPath').rawRepr;8const repr = rawRepr(test);9console.log(repr);

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