blob: 67a9c687a22d2596f72476a4fc18c7b80f6341da (
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'use strict'
module.exports = function (tree) {
return copyTree(tree, {})
}
function copyTree (tree, cache) {
if (cache[tree.path]) return cache[tree.path]
var newTree = cache[tree.path] = Object.create(tree)
copyModuleList(newTree, 'children', cache)
newTree.children.forEach(function (child) {
child.parent = newTree
})
copyModuleList(newTree, 'requires', cache)
copyModuleList(newTree, 'requiredBy', cache)
return newTree
}
function copyModuleList (tree, key, cache) {
var newList = []
tree[key].forEach(function (child) {
newList.push(copyTree(child, cache))
})
tree[key] = newList
}
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