mirror of
https://github.com/titanscouting/tra-analysis.git
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31 lines
770 B
JavaScript
31 lines
770 B
JavaScript
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'use strict'
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var createNode = require('./node.js').create
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module.exports = function (tree) {
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return copyTree(tree, {})
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}
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function copyTree (tree, cache) {
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if (cache[tree.path]) { return cache[tree.path] }
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var newTree = cache[tree.path] = createNode(Object.assign({}, tree))
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copyModuleList(newTree, 'children', cache)
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newTree.children.forEach(function (child) {
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child.parent = newTree
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})
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copyModuleList(newTree, 'requires', cache)
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copyModuleList(newTree, 'requiredBy', cache)
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return newTree
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}
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function copyModuleList (tree, key, cache) {
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var newList = []
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if (tree[key]) {
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tree[key].forEach(function (child) {
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const copy = copyTree(child, cache)
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if (copy) {
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newList.push(copy)
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}
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})
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}
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tree[key] = newList
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}
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