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How to use alreadySeen method in fast-check-monorepo

Best JavaScript code snippet using fast-check-monorepo

dependency_host.ts

Source:dependency_host.ts

1/**2 * @license3 * Copyright Google LLC All Rights Reserved.4 *5 * Use of this source code is governed by an MIT-style license that can be6 * found in the LICENSE file at https://angular.io/license7 */8import {AbsoluteFsPath, PathSegment, ReadonlyFileSystem} from '../../../src/ngtsc/file_system';9import {EntryPoint} from '../packages/entry_point';10import {resolveFileWithPostfixes} from '../utils';11import {ModuleResolver, ResolvedDeepImport, ResolvedRelativeModule} from './module_resolver';12export interface DependencyHost {13  collectDependencies(14      entryPointPath: AbsoluteFsPath, {dependencies, missing, deepImports}: DependencyInfo): void;15}16export interface DependencyInfo {17  dependencies: Set<AbsoluteFsPath>;18  missing: Set<AbsoluteFsPath|PathSegment>;19  deepImports: Set<AbsoluteFsPath>;20}21export interface EntryPointWithDependencies {22  entryPoint: EntryPoint;23  depInfo: DependencyInfo;24}25export function createDependencyInfo(): DependencyInfo {26  return {dependencies: new Set(), missing: new Set(), deepImports: new Set()};27}28export abstract class DependencyHostBase implements DependencyHost {29  constructor(protected fs: ReadonlyFileSystem, protected moduleResolver: ModuleResolver) {}30  /**31   * Find all the dependencies for the entry-point at the given path.32   *33   * @param entryPointPath The absolute path to the JavaScript file that represents an entry-point.34   * @param dependencyInfo An object containing information about the dependencies of the35   * entry-point, including those that were missing or deep imports into other entry-points. The36   * sets in this object will be updated with new information about the entry-point's dependencies.37   */38  collectDependencies(39      entryPointPath: AbsoluteFsPath, {dependencies, missing, deepImports}: DependencyInfo): void {40    const resolvedFile =41        resolveFileWithPostfixes(this.fs, entryPointPath, this.moduleResolver.relativeExtensions);42    if (resolvedFile !== null) {43      const alreadySeen = new Set<AbsoluteFsPath>();44      this.recursivelyCollectDependencies(45          resolvedFile, dependencies, missing, deepImports, alreadySeen);46    }47  }48  /**49   * Find all the dependencies for the provided paths.50   *51   * @param files The list of absolute paths of JavaScript files to scan for dependencies.52   * @param dependencyInfo An object containing information about the dependencies of the53   * entry-point, including those that were missing or deep imports into other entry-points. The54   * sets in this object will be updated with new information about the entry-point's dependencies.55   */56  collectDependenciesInFiles(57      files: AbsoluteFsPath[], {dependencies, missing, deepImports}: DependencyInfo): void {58    const alreadySeen = new Set<AbsoluteFsPath>();59    for (const file of files) {60      this.processFile(file, dependencies, missing, deepImports, alreadySeen);61    }62  }63  /**64   * Compute the dependencies of the given file.65   *66   * @param file An absolute path to the file whose dependencies we want to get.67   * @param dependencies A set that will have the absolute paths of resolved entry points added to68   * it.69   * @param missing A set that will have the dependencies that could not be found added to it.70   * @param deepImports A set that will have the import paths that exist but cannot be mapped to71   * entry-points, i.e. deep-imports.72   * @param alreadySeen A set that is used to track internal dependencies to prevent getting stuck73   * in a circular dependency loop.74   */75  protected recursivelyCollectDependencies(76      file: AbsoluteFsPath, dependencies: Set<AbsoluteFsPath>, missing: Set<string>,77      deepImports: Set<string>, alreadySeen: Set<AbsoluteFsPath>): void {78    const fromContents = this.fs.readFile(file);79    if (this.canSkipFile(fromContents)) {80      return;81    }82    const imports = this.extractImports(file, fromContents);83    for (const importPath of imports) {84      const resolved =85          this.processImport(importPath, file, dependencies, missing, deepImports, alreadySeen);86      if (!resolved) {87        missing.add(importPath);88      }89    }90  }91  protected abstract canSkipFile(fileContents: string): boolean;92  protected abstract extractImports(file: AbsoluteFsPath, fileContents: string): Set<string>;93  /**94   * Resolve the given `importPath` from `file` and add it to the appropriate set.95   *96   * If the import is local to this package then follow it by calling97   * `recursivelyCollectDependencies()`.98   *99   * @returns `true` if the import was resolved (to an entry-point, a local import, or a100   * deep-import), `false` otherwise.101   */102  protected processImport(103      importPath: string, file: AbsoluteFsPath, dependencies: Set<AbsoluteFsPath>,104      missing: Set<string>, deepImports: Set<string>, alreadySeen: Set<AbsoluteFsPath>): boolean {105    const resolvedModule = this.moduleResolver.resolveModuleImport(importPath, file);106    if (resolvedModule === null) {107      return false;108    }109    if (resolvedModule instanceof ResolvedRelativeModule) {110      this.processFile(resolvedModule.modulePath, dependencies, missing, deepImports, alreadySeen);111    } else if (resolvedModule instanceof ResolvedDeepImport) {112      deepImports.add(resolvedModule.importPath);113    } else {114      dependencies.add(resolvedModule.entryPointPath);115    }116    return true;117  }118  /**119   * Processes the file if it has not already been seen. This will also recursively process120   * all files that are imported from the file, while taking the set of already seen files121   * into account.122   */123  protected processFile(124      file: AbsoluteFsPath, dependencies: Set<AbsoluteFsPath>, missing: Set<string>,125      deepImports: Set<string>, alreadySeen: Set<AbsoluteFsPath>): void {126    if (!alreadySeen.has(file)) {127      alreadySeen.add(file);128      this.recursivelyCollectDependencies(file, dependencies, missing, deepImports, alreadySeen);129    }130  }...

day12.ts

Source:day12.ts

1import { getStringsInput } from './helpers';2// For a given graph (through a cave) find the number of distinct paths3const list = getStringsInput('day12').map((item) => item.split('-'));4const graph: Record<string, string[]> = {};5// constructing the graph6for (let i = 0; i < list.length; i++) {7    const name = list[i][0];8    const dest = list[i][1];9    if (graph[name]) {10        graph[name].push(dest);11    } else {12        graph[name] = [dest];13    }14    if (graph[dest]) {15        graph[dest].push(name);16    } else {17        graph[dest] = [name];18    }19}20const allPaths: string[][] = [];21// Based on part 2, alreadySeen tracks how many time a small cave has been seen22function findPaths(23    currentPath: string[],24    alreadySeen: Record<string, number>,25    hasSeenSmallCaveTwice: boolean,26    allowedSmallCaveVisits: number27) {28    const current = currentPath[currentPath.length - 1];29    if (hasSeenSmallCaveTwice && alreadySeen[current] === 1) {30        return;31    } else if (alreadySeen[current] === allowedSmallCaveVisits) {32        return;33    }34    // lowercase caves can only been seen once (in part 1), uppercase as many times as possible35    // it's not stated but this also means the test data does not have cycles36    // to worry about37    const isLowercase = current === current.toLowerCase();38    const nextNodes = graph[current];39    if (current === 'end') {40        allPaths.push(currentPath);41        return;42    }43    for (let i = 0; i < nextNodes.length; i++) {44        const nextNode = nextNodes[i];45        if (nextNode === 'start') {46            continue;47        }48        findPaths(49            [...currentPath, nextNode],50            isLowercase51                ? {52                      ...alreadySeen,53                      [current]: alreadySeen[current]54                          ? alreadySeen[current] + 155                          : 1,56                  }57                : alreadySeen,58            hasSeenSmallCaveTwice || alreadySeen[current] === 1,59            allowedSmallCaveVisits60        );61    }62    return;63}64// findPaths(['start'], {}, 1);65findPaths(['start'], {}, false, 2);...

clifford-attractors.ts

Source:clifford-attractors.ts

1import { ISketch } from "./sketch";2export class CliffordAttractors implements ISketch {3    public readonly name = "Clifford Attractors";4    public readonly width = 1920;5    public readonly height = 1080;6    public readonly loop = true;7    private a = -1.4;8    private b = 1.6;9    private c = 1;10    private d = 0.7;11    private x = 0;12    private y = 0;13    private alreadySeen = new Set<string>();14    public reset(p: p5) {15        p.background("black");16        // this.a = -2;17        // this.b = 1.6;18        // this.c = -2;19        // this.d = 0.7;20        this.alreadySeen.clear();21        this.a = p.random([1, -1]) * p.random(1, 2);22        this.b = p.random([1, -1]) * p.random(1, 2);23        this.c = p.random([1, -1]) * p.random(1, 2);24        this.d = p.random([1, -1]) * p.random(1, 2);25        console.log(">>> clifford attractors: parameters", this.a, this.b, this.c, this.d);26    }27    public draw(p: p5) {28        p.translate(this.width / 2, this.height / 2);29        for (let i = 0; i < 500; ++i) {30            const nx = (Math.sin(this.a * this.y) + this.c * Math.cos(this.a * this.x));31            const ny = (Math.sin(this.b * this.x) + this.d * Math.cos(this.b * this.y));32            p.stroke(255, 255, 255, 50);33            p.fill(255, 255, 255, 50);34            p.point(nx * 200, ny * 200);35            // some attractors form very small loops which are not particularly36            // interesting to render, just skip them37            if (this.alreadySeen.has([nx, ny].toString()) && this.alreadySeen.size < 500) {38                console.log(">>> clifford attractors: skipping because it didn't have enough variance");39                this.reset(p);40                return;41            }42            this.alreadySeen.add([nx, ny].toString());43            this.x = nx;44            this.y = ny;45        }46    }...

Using AI Code Generation

1import {alreadySeen} from 'fast-check-monorepo';2import {alreadySeen} from 'fast-check-monorepo';3import {alreadySeen} from 'fast-check-monorepo';4import {alreadySeen} from 'fast-check-monorepo';5import {alreadySeen} from 'fast-check-monorepo';6import {alreadySeen} from 'fast-check-monorepo';7import {alreadySeen} from 'fast-check-monorepo';8import {alreadySeen} from 'fast-check-monorepo';9import {alreadySeen} from 'fast-check-monorepo';

Using AI Code Generation

1const fc = require('fast-check');2const { alreadySeen } = require('fast-check/lib/check/arbitrary/AlreadySeenArbitrary');3const { array } = require('fast-check/lib/check/arbitrary/ArrayArbitrary');4const { tuple } = require('fast-check/lib/check/arbitrary/TupleArbitrary');5const { string } = require('fast-check/lib/check/arbitrary/StringArbitrary');6const seen = new Set();7const arb = tuple(string(), array(string())).filter(([key, val]) => !alreadySeen(seen, key, val));8fc.assert(fc.property(arb, ([key, val]) => {9  console.log(key, val);10  return true;11}));

Using AI Code Generation

1import { NextArbitrary } from 'fast-check';2const alreadySeen = NextArbitrary.prototype.alreadySeen;3const arbs = [1, 2, 3];4for (const arb of arbs) {5  alreadySeen.call({ _alreadySeen: new Set() }, arb);6}7console.log('done');

Using AI Code Generation

1const {AlreadySeen} = require('fast-check');2let alreadySeen = new AlreadySeen();3let i = 0;4while(i < 100) {5    i++;6    alreadySeen.hasAlreadySeen(i);7}8const {AlreadySeen} = require('fast-check');9let alreadySeen = new AlreadySeen();10let i = 0;11while(i < 100) {12    i++;13    alreadySeen.hasAlreadySeen(i);14}15const {AlreadySeen} = require('fast-check');16let alreadySeen = new AlreadySeen();17let i = 0;18while(i < 100) {19    i++;20    alreadySeen.hasAlreadySeen(i);21}22const {AlreadySeen} = require('fast-check');23let alreadySeen = new AlreadySeen();24let i = 0;25while(i < 100) {26    i++;27    alreadySeen.hasAlreadySeen(i);28}29const {AlreadySeen} = require('fast-check');30let alreadySeen = new AlreadySeen();31let i = 0;32while(i < 100) {33    i++;34    alreadySeen.hasAlreadySeen(i);35}36const {AlreadySeen} = require('fast-check');37let alreadySeen = new AlreadySeen();38let i = 0;39while(i < 100) {40    i++;41    alreadySeen.hasAlreadySeen(i);42}43const {AlreadySeen} = require('fast-check');44let alreadySeen = new AlreadySeen();45let i = 0;46while(i < 100) {47    i++;

Using AI Code Generation

1const { alreadySeen } = require("fast-check");2const { fc } = require("fast-check/lib/fast-check-default");3  .array(fc.nat())4  .filter((arr) => alreadySeen(arr) === false);5This project is licensed under the MIT License - see the [LICENSE](LICENSE) file for details6Thanks to [David Bruant](

Using AI Code Generation

1const { alreadySeen } = require('fast-check-monorepo');2const { seed } = require('fast-check');3const { fc } = require('fast-check-monorepo');4const run = async () => {5  const seen = new Set();6  const arb = fc.nat();7  const s = seed(42);8  for (let i = 0; i < 1000; i++) {9    const v = await arb.generate(s);10    if (alreadySeen(seen, v)) {11      console.log(i, v);12    }13  }14};15run();16const { alreadySeen } = require('fast-check-monorepo');17const { seed } = require('fast-check');18const { fc } = require('fast-check-monorepo');19const run = async () => {20  const seen = new Set();21  const arb = fc.nat();22  const s = seed(42);23  for (let i = 0; i < 1000; i++) {24    const v = await arb.generate(s);25    if (alreadySeen(seen, v)) {26      console.log(i, v);27    }28  }29};30run();31const { alreadySeen } = require('fast-check-monorepo');32const { seed } = require('fast-check');33const { fc } = require('fast-check-monorepo');34const run = async () => {35  const seen = new Set();36  const arb = fc.nat();37  const s = seed(42);38  for (let i = 0; i < 1000; i++) {39    const v = await arb.generate(s);40    if (alreadySeen(seen, v)) {41      console.log(i, v);42    }43  }44};45run();46const { alreadySeen } = require('fast-check-monorepo');47const { seed } = require('fast-check');48const { fc } = require('fast-check-monorepo');49const run = async () => {50  const seen = new Set();51  const arb = fc.nat();52  const s = seed(42);53  for (let i =

Using AI Code Generation

1import * as fc from "fast-check";2const alreadySeen = fc.memo().alreadySeen;3const myArb = fc.memo().record({4  a: fc.memo().integer(),5  b: fc.memo().integer(),6});7const seenValues = [];8fc.assert(9  fc.property(myArb, (v) => {10    const alreadySeenResult = alreadySeen(v);11    if (alreadySeenResult) {12      seenValues.push(v);13    }14    return !alreadySeenResult;15  })16);17console.log(seenValues);

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