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How to use patternIndex method in fast-check-monorepo

Best JavaScript code snippet using fast-check-monorepo

regularExpressionMatching.js

Source:regularExpressionMatching.js

1function isMatch(string, pattern) {2    const memo = {};3    function traverse(stringIndex, patternIndex) {4        const key = `${stringIndex},${patternIndex}`;5        if (key in memo) {6            return memo[key];7        }8        if (stringIndex >= string.length && patternIndex >= pattern.length) {9            return true;10        }11        const char = string[stringIndex];12        let isValid = false;13        const isSameChar = char !== undefined && (pattern[patternIndex] === char || pattern[patternIndex] === ".");14        if (pattern[patternIndex + 1] === "*") {15            if (isSameChar) {16                isValid = isValid || traverse(stringIndex + 1, patternIndex);17            }18            isValid = isValid || traverse(stringIndex, patternIndex + 2);19        } else {20            if (isSameChar) {21                isValid = isValid || traverse(stringIndex + 1, patternIndex + 1);22            }23        }24        memo[key] = isValid;25        return isValid;26    }27    return traverse(0, 0);28}29// console.log(isMatch("canon", "c.non"));30//console.log(isMatch("aa", "a*"));31// console.log(isMatch("mississippi", "mis*is*p*."));32module.exports = isMatch;33// function isMatch(string, pattern) {34//     const memo = {};35//36//     function traverse(stringIndex, patternIndex) {37//         const key = `${stringIndex},${patternIndex}`;38//         if (key in memo) {39//             return memo[key];40//         }41//         if (stringIndex >= string.length && patternIndex >= pattern.length) {42//             return true;43//         }44//45//         const char = string[stringIndex];46//47//         let isValid = false;48//49//         if (pattern[patternIndex + 1] === "*") {50//             if (char !== undefined && (pattern[patternIndex] === char || pattern[patternIndex] === ".")) {51//                 const result = traverse(stringIndex + 1, patternIndex);52//53//                 if (result === true) {54//                     isValid = true;55//                 }56//             }57//58//             const result = traverse(stringIndex, patternIndex + 2);59//             if (result === true) {60//                 isValid = true;61//             }62//         } else {63//             if (pattern[patternIndex] === "." && char !== undefined) {64//                 const result = traverse(stringIndex + 1, patternIndex + 1);65//66//                 if (result === true) {67//                     isValid = true;68//                 }69//             }70//71//             if (pattern[patternIndex] === char && char !== undefined) {72//                 const result = traverse(stringIndex + 1, patternIndex + 1);73//                 if (result === true) {74//                     isValid = true;75//                 }76//             }77//         }78//79//         memo[key] = isValid;80//         return isValid;81//     }82//83//     return traverse(0, 0);...

KMPSearch.js

Source:KMPSearch.js

1function buildPatternTable(pattern) {2	//first value of this table is zero( because for just one character there is no  prefix or suffix)3	let table = [0]4	let prefix = 05	let suffix = 16	while (suffix < pattern.length) {7		if (pattern[prefix] === pattern[suffix]) {8			table[suffix] = prefix + 19			prefix++10			suffix++11		} else if (prefix === 0) {12			table[suffix] = 013			suffix++14		} else {15			prefix = table[prefix - 1]16		}17	}1819	return table20}2122function kmpSearch(text, pattern) {23	let textIndex = 024	let patternIndex = 025	let patternTable = buildPatternTable(pattern)2627	while (textIndex < text.length) {28		//If we find a match29		if (text[textIndex] === pattern[patternIndex]) {30			//If we matched whole pattern string31			if (patternIndex === pattern.length - 1) {32				console.log(textIndex - patternIndex)33			}34			//Move to next index in both text and pattern35			textIndex++36			patternIndex++37		} else if (patternIndex > 0) {38			//If it is not a match and it is not on first Index of pattern39			patternIndex = patternTable[patternIndex - 1]40		} else {41			patternIndex = 042			textIndex += 143		}44	}
...

Using AI Code Generation

1const fc = require('fast-check');2const { patternIndex } = require('fast-check-monorepo');3  .string()4  .filter(s => s.length > 0)5  .map(s => s.charAt(0));6const index = patternIndex(pattern);7fc.assert(8  fc.property(fc.string(), fc.nat(), (s, i) => {9    const j = index(s, i);10    return j < 0 || (j >= i && s.charAt(j) === pattern);11  })12);

Using AI Code Generation

1const { patternIndex } = require('fast-check-monorepo');2const { property, fc } = require('fast-check');3property(4  fc.string(),5  fc.string(),6  (first, second) => {7    const index = patternIndex(first, second);8    return index === -1 || first.substr(index, second.length) === second;9  },10).check();

Using AI Code Generation

1const { patternIndex } = require('fast-check-monorepo');2const myFunction = (a, b) => {3  if (a === b) {4    return a;5  } else {6    return b;7  }8};9patternIndex(1000, [myFunction], [[1, 1], [2, 2], [3, 3], [4, 4], [5, 5]]);10const { patternIndex } = require('fast-check-monorepo');11const myFunction = (a, b) => {12  return a + b;13};14patternIndex(1000, [myFunction], [[1, 1], [2, 2], [3, 3], [4, 4], [5, 5]]);15const { patternIndex } = require('fast-check-monorepo');16const myFunction = (a, b) => {17  if (a === b) {18    return a;19  } else {20    return b;21  }22};23patternIndex(1000, [myFunction], [[1, 1], [2, 2], [3, 3], [4, 4], [5, 5]]);24const { patternIndex } = require('fast-check-monorepo');25const myFunction = (a, b) => {26  return a + b;27};28patternIndex(1000, [myFunction], [[1, 1], [2, 2], [3, 3], [4, 4], [5, 5]]);29const { patternIndex } = require('fast-check-monorepo');30const myFunction = (a, b) => {31  if (a === b) {32    return a;33  } else {34    return b;35  }36};37patternIndex(1000, [myFunction], [[1, 1], [2, 2], [3, 3], [4, 4], [5, 5]]);38const { patternIndex } = require('fast-check-monorepo');39const myFunction = (a, b) => {40  return a + b;41};42patternIndex(1000, [myFunction], [[1, 1], [2,

Using AI Code Generation

1const fc = require('fast-check');2const patternIndex = require('./index.js');3const pattern = 'a*b';4const text = 'aaab';5console.log(patternIndex(pattern, text));6const patternIndex = (pattern, text) => {7  return text.search(pattern);8};9module.exports = patternIndex;10{11  "dependencies": {12  },13  "scripts": {14  },15  "devDependencies": {16  },17}18const fc = require('fast-check');19const patternIndex = require('./index.js');20describe('patternIndex', () => {21  it('should match the index of the first occurrence of the pattern in the text', () => {22    fc.assert(23      fc.property(24        fc.string(),25        fc.string(),26        fc.string(),27        (a, b, c) => {28          const pattern = `${a}*${b}`;29          const text = `${a}${a}${a}${b}${c}`;30          const expected = text.indexOf(pattern);31          const actual = patternIndex(pattern, text);32          return expected === actual;33        }34    );35  });36});

Using AI Code Generation

1const fc = require('fast-check');2const patternIndex = require('fast-check-monorepo');3const pattern = 'abc';4const str = 'abcabc';5const index = patternIndex(pattern, str);6console.log(index);

Using AI Code Generation

1const { patternIndex } = require('fast-check-monorepo');2const result = patternIndex("123456789", "345");3console.log(result);4const { patternIndex } = require('fast-check-monorepo');5const { string, property } = require('fast-check');6const contains = (s, sub) => patternIndex(s, sub) !== -1;7property(string(), string(), (s, sub) => contains(s, sub));8property(string(), string(), (s, sub) => {9  if (sub.length === 0) {10    return true;11  }12  return contains(s, sub);13});14property(string(), string(), (s, sub) => {15  if (sub.length === 0) {16    return true;17  }18  return contains(s, sub);19}).beforeEach((s, sub) => {20  if (sub.length > s.length) {21    return [s.repeat(sub.length), sub];22  }23  return [s, sub];24});25property(string(), string(), (s, sub) => {26  if (sub.length === 0) {27    return true;28  }29  return contains(s, sub);30}).beforeEach((s, sub) => {31  if (sub.length > s.length) {

Using AI Code Generation

1const fc = require('fast-check');2const patternIndex = require('fast-check-monorepo');3const pattern = 'a+';4const randomString = patternIndex(pattern);5console.log(randomString)6- matches any single character (except newline)7{8}9{10}

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