/
parse.ts
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/
parse.ts
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/**
* Copyright 2022 Google LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import _ from "lodash";
import dirTree from "directory-tree";
import fs from "fs";
import path from "path";
export type Children = { [key: string]: DirectoryTreeMap };
export interface DirectoryTreeMap
extends Required<
Omit<dirTree.DirectoryTree, "children" | "extension" | "isSymbolicLink">
> {
directories?: Children;
files?: Children;
}
export const treeToTreeMap = (
tree: dirTree.DirectoryTree
): DirectoryTreeMap => {
const treeMap: DirectoryTreeMap = _.omit(tree, ["children"]);
if (tree.children) {
treeMap.directories = {};
treeMap.files = {};
for (const child of tree.children) {
switch (child.type) {
case "directory":
treeMap.directories[child.name] = treeToTreeMap(child);
break;
case "file":
treeMap.files[child.name] = treeToTreeMap(child);
break;
}
}
}
return treeMap;
};
export const parse = (
directory: string,
exclude = /(node_modules\/|\.git\/|\.DS_Store|\.idea\/|\.vscode\/)/
): DirectoryTreeMap => {
const attributes = ["size" as const, "type" as const, "extension" as const];
directory = path.resolve(directory);
if (!fs.existsSync(directory)) {
throw new Error(`Directory ${directory} does not exist`);
}
const tree = dirTree(directory, {
attributes,
exclude,
normalizePath: true,
});
return treeToTreeMap(tree);
};