MCP Sandbox

/** * Array manipulation utilities for MCP Sandbox demo */ /** * Shuffle an array using Fisher-Yates algorithm * @param array The array to shuffle */ function shuffle(array = []) { const shuffled = [...array]; for (let i = shuffled.length - 1; i > 0; i--) { const j = Math.floor(Math.random() * (i + 1)); [shuffled[i], shuffled[j]] = [shuffled[j], shuffled[i]]; } return shuffled; } /** * Get unique values from array * @param array The array to process */ function unique(array = []) { return Array.from(new Set(array)); } /** * Chunk array into smaller arrays * @param array The array to chunk * @param size The chunk size */ function chunk(array = [], size = 2) { const chunks = []; for (let i = 0; i < array.length; i += size) { chunks.push(array.slice(i, i + size)); } return chunks; } /** * Find the intersection of two arrays * @param arr1 First array * @param arr2 Second array */ function intersection(arr1 = [], arr2 = []) { return arr1.filter((x) => arr2.includes(x)); } /** * Find the difference between two arrays * @param arr1 First array * @param arr2 Second array */ function difference(arr1 = [], arr2 = []) { return arr1.filter((x) => !arr2.includes(x)); } /** * Flatten a nested array * @param array The array to flatten * @param depth The depth to flatten (default: 1) */ function flatten(array = [], depth = 1) { return array.flat(depth); } module.exports = { shuffle, unique, chunk, intersection, difference, flatten, };