Current Path :
/
opt
/
alt
/
alt-nodejs9
/
root
/
lib
/
node_modules
/
npm
/
lib
/
install
/
Or
Select Your Path :
Upload File :
New :
File
Dir
//opt/alt/alt-nodejs9/root/lib/node_modules/npm/lib/install/copy-tree.js
'use strict' var createNode = require('./node.js').create module.exports = function (tree, filter) { return copyTree(tree, {}, filter) } function copyTree (tree, cache, filter) { if (filter && !filter(tree)) { return null } if (cache[tree.path]) { return cache[tree.path] } var newTree = cache[tree.path] = createNode(Object.assign({}, tree)) copyModuleList(newTree, 'children', cache, filter) newTree.children.forEach(function (child) { child.parent = newTree }) copyModuleList(newTree, 'requires', cache, filter) copyModuleList(newTree, 'requiredBy', cache, filter) return newTree } function copyModuleList (tree, key, cache, filter) { var newList = [] if (tree[key]) { tree[key].forEach(function (child) { const copy = copyTree(child, cache, filter) if (copy) { newList.push(copy) } }) } tree[key] = newList }
