관리-도구

편집 파일: index.js

const defLimit = require('os').cpus().length const callLimit = (queue, limit = defLimit) => new Promise((res, rej) => { let active = 0 let current = 0 const results = [] let rejected = false const reject = er => { if (rejected) return rejected = true rej(er) } let resolved = false const resolve = () => { if (resolved || active > 0) return resolved = true res(results) } const run = () => { const c = current++ if (c >= queue.length) { return resolve() } active ++ results[c] = queue[c]().then(result => { active -- results[c] = result run() return result }, reject) } for (let i = 0; i < limit; i++) { run() } }) module.exports = callLimit