관리-도구

편집 파일: is-only-optional.js

'use strict' module.exports = isOptional const isOptDep = require('./is-opt-dep.js') function isOptional (node, seen) { if (!seen) seen = new Set() // If a node is not required by anything, then we've reached // the top level package. if (seen.has(node) || node.requiredBy.length === 0) { return false } seen.add(node) return node.requiredBy.every(function (req) { return isOptDep(req, node.package.name) || isOptional(req, seen) }) }