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'use strict' var validate = require('aproba') var moduleName = require('../utils/module-name.js') module.exports = flattenTree module.exports.flatName = flatName module.exports.flatNameFromTree = flatNameFromTree function flattenTree (tree) { validate('O', arguments) var seen = new Set() var flat = {} var todo = [[tree, '/']] while (todo.length) { var next = todo.shift() var pkg = next[0] seen.add(pkg) var path = next[1] flat[path] = pkg if (path !== '/') path += '/' for (var ii = 0; ii < pkg.children.length; ++ii) { var child = pkg.children[ii] if (!seen.has(child)) { todo.push([child, flatName(path, child)]) } } } return flat } function flatName (path, child) { validate('SO', arguments) return path + (moduleName(child) \|\| 'TOP') } function flatNameFromTree (tree) { validate('O', arguments) if (tree.isTop) return '/' var path = flatNameFromTree(tree.parent) if (path !== '/') path += '/' return flatName(path, tree) }