# How to use factorsA method in fast-check-monorepo

Best JavaScript code snippet using fast-check-monorepo

asymmetricKeyEncryption.js

Source:asymmetricKeyEncryption.js

`1var Identity = function(){2 this.privateKey = null;3 this.publicKey = null;4 this.modulus = null;5};6/**7 * Calculates the modulus and private and public keys, and stores them on the8 * Identity.9 *10 * @param {number} p the first of two distinct primes11 * @param {number} q the second prime12 *13 * @sideeffect sets this.modulus, this.publicKey, and this.privateKey on the14 * Identity instance15 */16Identity.prototype.generateKeyPair = function(p, q) {17 var n = p * q;18 this.modulus = n;19 var comprimeN = findCoprime(n);20 var totientN = (p - 1) * (q - 1);21 var e = findCoprime(totientN);22 this.publicKey = e >= 3 ? e : 3;23 this.privateKey = calculateModInverse(this.publicKey, totientN);24};25/**26 * Given a message, generates and returns the sender's signature. A signature27 * is a messsage encrypted using an Identity's private key to verify that they28 * sent the message.29 *30 * @param {string} text the message to sign31 * @return {string} the signature32 */33Identity.prototype.signMessage = function(text){34 return encryptMessage(text, this.privateKey, this.modulus);35};36/**37 * Given plaintext and a recipient Identity, generates ciphertext and signature.38 * Hint: in this case, the signature is simply the ciphertext encrypted with the39 * sender's private key.40 *41 * @param {string} plaintext the message to be encrypted and sent42 * @param {Object} recipient an Identity object43 * @return {Object} an object with signature, ciphertext, and sender properties44 */45Identity.prototype.sendMessage = function(plaintext, recipient){46 const signature = this.signMessage(plaintext);47 const ciphertext = encryptMessage(plaintext, recipient.publicKey, recipient.modulus);48 recipient.receiveMessage(49 ciphertext,50 signature,51 this52 );53 return {54 signature: signature,55 ciphertext: ciphertext,56 sender: this57 };58};59/**60 * Given the ciphertext, signature, and sender, receiveMessage should determine61 * the integrity of the message and selectively read and return the content.62 *63 * @param {string} ciphertext the encrypted message64 * @param {string} signature the signed message65 * @param {Object} sender an Identity object66 * @return {string} the plaintext67 */68Identity.prototype.receiveMessage = function(ciphertext, signature, sender){69 const decrypted = decryptMessage(ciphertext, this.privateKey, this.modulus);70 if (!confirmAuthenticity(decrypted, signature, sender.publicKey, sender.modulus)) {71 return 'Identity not authenticated';72 }73 return decrypted;74};75/**76 * Turns plaintext into ciphertext.77 *78 * @param {string} plaintext the message to encrypt79 * @param {number} key the key (public or private) with which to encrypt80 * @param {number} modulus the modulus for modular arithmetic calculations81 * @return {string} the ciphertext82 */83var encryptMessage = function(plaintext, key, modulus){84 const numbers = plaintext.split('').map(letterToNumber);85 const encrypted = numbers.map(number => {86 return Math.pow(number, key) % modulus;87 });88 return encrypted.map(numberToLetter).join('');89};90/**91 * Turns ciphertext into plaintext.92 *93 * @param {string} ciphertext the encrypted message to decrypt94 * @param {number} key the key (public or private) with which to decrypt95 * @param {number} modulus the modulus for modular arithmetic calculations96 * @return {string} the plaintext97 */98var decryptMessage = function(ciphertext, key, modulus){99 return encryptMessage(ciphertext, key, modulus);100};101/**102 * Checks that a signature is valid.103 *104 * @param {string} text the plaintext to check the decrypted signature against105 * @param {string} signature the claimed encryption of the plaintext with the106 * key in question107 * @param {number} key the public key of the sender108 * @param {[type]} modulus the modulus for modular arithmetic calculations109 * @return {boolean} whether or not the decrypted text matches the signature110 */111var confirmAuthenticity = function(text, signature, key, modulus){112 return text === decryptMessage(signature, key, modulus);113};114/*******************************************/115// It's dangerous to go alone! Take these!//116// HELPER FUNCTIONS //117// (do not modify) //118/*******************************************/119var letterToNumber = function(letter){120 return letters.indexOf(letter);121};122var numberToLetter = function(number){123 if(number >= letters.length){124 number = number % letters.length; // TODO125 } else {126 }127 return letters[number];128};129var findCoprime = function(number){130 for(var i = 2; i < number; i++){131 if( determineIfCoprime(i, number) ){132 return i;133 }134 }135};136/*******************************************/137// HELPER HELPER FUNCTIONS //138// (you won't use these) //139// (do not modify) //140/*******************************************/141var determineIfCoprime = function(a, b){142 var factorsa = factor(a);143 var factorsb = factor(b);144 delete factorsa[1];145 delete factorsb[1];146 var smaller = Object.keys(factorsa) < Object.keys(factorsb) ? factorsa : factorsb;147 var larger = Object.keys(factorsa) < Object.keys(factorsb) ? factorsb : factorsa;148 for(var value in smaller){149 if(value in larger) return false;150 }151 return true;152};153var factor = function(number){154 var primes = {};155 for(var i = 0; i <= Math.sqrt(number); i++){156 if(number % i === 0){157 primes[i] = true;158 primes[number / i] = true;159 }160 }161 primes[number] = true;162 return primes;163};164calculateModInverse = function(number, mod){165 for(var i = 1; i < mod; i++){166 if(number * i % mod === 1) return i167 }168};169var validLetters = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', ' '];170var extendedLetters = ['A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '`', '~', '!', '@', '#', '\$', '%', '^', '&', '*', '(', ')', '-', '_', '=', '+', '[', ']'];...`

compute.js

Source:compute.js

`1const { simhash, similarity } = require( '@biu/simhash' )2// åç»´åº¦çå å­ä½¿ç¨ç¸åæéè®¡ç®3function calcHash( factors = [] ) {4 return simhash(5 factors.map( factor => {6 return {7 text: String( factor ),8 weight: 1,9 }10 } )11 )12}13function computeSimilarity( signA, signB ) {14 const { total, weights } = Object.keys( signA )15 .map( key => {16 const factorsA = signA[ key ]17 const factorsB = signB[ key ]18 const factorLen = ( factorsA.length + factorsB.length ) / 219 const hashA = calcHash( factorsA )20 const hashB = calcHash( factorsB )21 return {22 value: similarity( hashA, hashB ),23 // é¿åº¦è¶é¿ï¼ç»æå¯ä¿¡åº¦è¶é«ï¼æåæé24 weight: factorLen,25 }26 } )27 .reduce( ( memo, current ) => {28 memo.total = memo.total + ( current.value * current.weight )29 memo.weights = memo.weights + current.weight30 return memo31 }, {32 total: 0,33 weights: 0,34 } )35 return total / weights36}...`

hackerrank11.js

Source:hackerrank11.js

`1/**2* find number factors3* @param {Number} number4* @return {Array} list of factors of number5*/6function getFactors(number) {7 var indexFactor = 1;8 var lastFactor = number;9 var factorsA = [];10 var factorsB = []11 while (indexFactor !== lastFactor) {12 if (lastFactor % indexFactor === 0) {13 lastFactor = number/indexFactor;14 factorsA.push(indexFactor);15 factorsB.unshift(lastFactor);16 }17 indexFactor++;18 }19 return factorsA.concat(factorsB);20}...`

Using AI Code Generation

`1const { factorsA } = require('fast-check-monorepo');2const { factorsB } = require('fast-check-monorepo');3const { factorsC } = require('fast-check-monorepo');4const { factorsD } = require('fast-check-monorepo');5const { factorsE } = require('fast-check-monorepo');6const { factorsF } = require('fast-check-monorepo');7const { factorsG } = require('fast-check-monorepo');8const { factorsH } = require('fast-check-monorepo');9const { factorsI } = require('fast-check-monorepo');10const { factorsJ } = require('fast-check-monorepo');11const { factorsK } = require('fast-check-monorepo');12const { factorsL } = require('fast-check-monorepo');13const { factorsM } = require('fast-check-monorepo');14const { factorsN } = require('fast-check-monorepo');15const { factorsO } = require('fast-check-monorepo');16const { factorsP } = require('fast-check-monorepo');17const { factorsQ } = require('fast-check-monorepo');18const { factorsR } = require('fast-check-monorepo');`

Using AI Code Generation

`1const { factorsA } = require('fast-check-monorepo');2console.log(factorsA(10));3const { factorsB } = require('fast-check-monorepo');4console.log(factorsB(10));5const { factorsC } = require('fast-check-monorepo');6console.log(factorsC(10));`

Using AI Code Generation

`1const fc = require("fast-check");2const { factorsA } = require("fast-check-monorepo");3fc.assert(4 fc.property(fc.nat(), fc.nat(), (a, b) => {5 const factors = factorsA(a, b);6 return factors.every((f) => a % f === 0 && b % f === 0);7 })8);`

Using AI Code Generation

`1const fc = require('fast-check');2const {factorA} = require('fast-check-monorepo');3fc.assert(4 fc.property(fc.integer(), (n) => {5 const factors = factorA(n);6 return factors.length > 0;7 })8);9const fc = require('fast-check');10const {factorB} = require('fast-check-monorepo2');11fc.assert(12 fc.property(fc.integer(), (n) => {13 const factors = factorB(n);14 return factors.length > 0;15 })16);`

Using AI Code Generation

`1const { factorsA } = require('fast-check-monorepo');2const factors = factorsA(100);3console.log(factors);4 throw err;5 at Function.Module._resolveFilename (internal/modules/cjs/loader.js:636:15)6 at Function.Module._load (internal/modules/cjs/loader.js:562:25)7 at Module.require (internal/modules/cjs/loader.js:692:17)8 at require (internal/modules/cjs/helpers.js:25:18)9 at Object.<anonymous> (C:\Users\hp\Documents\GitHub\fast-check-monorepo\test3.js:1:15)10 at Module._compile (internal/modules/cjs/loader.js:778:30)11 at Object.Module._extensions..js (internal/modules/cjs/loader.js:789:10)12 at Module.load (internal/modules/cjs/loader.js:653:32)13 at tryModuleLoad (internal/modules/cjs/loader.js:593:12)14 at Function.Module._load (internal/modules/cjs/loader.js:585:3)`

Using AI Code Generation

`1const fc = require('fast-check');2const factorsA = require('fast-check-monorepo').factorsA;3fc.assert(4 fc.property(fc.nat(), (n) => {5 const factors = factorsA(n);6 return factors.length === 3;7 })8);9const fc = require('fast-check');10const factorsB = require('fast-check-monorepo').factorsB;11fc.assert(12 fc.property(fc.nat(), (n) => {13 const factors = factorsB(n);14 return factors.length === 4;15 })16);17const fc = require('fast-check');18const factorsC = require('fast-check-monorepo').factorsC;19fc.assert(20 fc.property(fc.nat(), (n) => {21 const factors = factorsC(n);22 return factors.length === 5;23 })24);25const fc = require('fast-check');26const factorsD = require('fast-check-monorepo').factorsD;27fc.assert(28 fc.property(fc.nat(), (n) => {29 const factors = factorsD(n);30 return factors.length === 6;31 })32);33const fc = require('fast-check');34const factorsE = require('fast-check-monorepo').factorsE;35fc.assert(36 fc.property(fc.nat(), (n) => {37 const factors = factorsE(n);38 return factors.length === 7;39 })40);41const fc = require('fast-check');42const factorsF = require('fast-check-monorepo').factorsF;43fc.assert(44 fc.property(fc.nat(), (n)`

Using AI Code Generation

`1const fc = require("fast-check");2const { factorsA } = require("fast-check-monorepo");3const factors = factorsA(10);4fc.assert(5 fc.property(factors, (f) => {6 const product = f.reduce((p, c) => p * c, 1);7 console.log(f, product);8 return product > 0;9 })10);`

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