adding clone by path / insert folder with seed

package.json

@@ -1,6 +1,6 @@
 {
   "name": "node-json-file-tree",
-  "version": "2.0.5",
+  "version": "2.0.6",
   "description": "Node Js module to generate a tree structure representation of a folder structure / file system.",
   "main": "scripts/index.js",
   "repository": {

src/file-tree.spec.ts

@@ -123,6 +123,21 @@ describe('File Tree - Delete Folders', () => {
             done();
         }
     });
+    it('Delete Folder - Folder in Root', () => {
+        var files = ['/path1/file1.txt', '/path2/file2.txt'];
+        var folders = ['/path1/', '/path2/'];
+        let tree = new FileTree(files, folders);
+        var test = tree.getDirectoryFromPath('/');
+        expect(test["path2"]).not.toBeUndefined();
+        expect(test["path2"]).not.toBeNull();
+        tree.deleteFolder('/path2/');
+        test = tree.getDirectoryFromPath('/');
+        expect(test).not.toBeNull();
+        expect(test).not.toBeUndefined();
+        expect(test["path1"]).not.toBeUndefined();
+        expect(test["path1"]).not.toBeNull();
+        expect(test["path2"]).toBeUndefined();
+    });
     it('Delete Folder - Folder Not Found', () => {
         var files = ['/path/to/file.txt', '/path/to/inner/file1.txt', '/path/to/inner/file2.txt'];
         var folders = ['/path/to/', '/path/to/inner'];
@@ -145,6 +160,17 @@ describe('File Tree - Add Folder', () => {
         expect(test['NewFolder']['_files_']).not.toBe(null);
         expect(test['NewFolder']['_files_'].length).toBe(0);
     });
+    it('Add Folder with Seed', () => {
+        var files = ['/path/to/file.txt'];
+        var folders = ['/path/to/'];
+        let tree = new FileTree(files, folders);
+        tree.addFolder('/path/to/', 'NewFolder', { '_files_': ['test1.txt'] });
+        var test = tree.getDirectoryFromPath('/path/to/');
+        expect(test).not.toBe(null);
+        expect(test['NewFolder']).not.toBe(null);
+        expect(test['NewFolder']['_files_']).not.toBe(null);
+        expect(test['NewFolder']['_files_'].length).toBe(1);
+    });
     it('Add Folder - Path Already Exists', (done: any) => {
         var files = ['/path/to/file.txt'];
         var folders = ['/path/to/'];
@@ -229,4 +255,16 @@ describe('File Tree - Copy Folder', () => {
             done();
         }
     });
+});
+
+describe('File Tree - Clone Node By Path', () => {
+    it('Add Folder', () => {
+        var files = ['/path/file1.txt', '/path/file2.txt'];
+        var folders = ['/path/'];
+        let tree = new FileTree(files, folders);
+        var test = tree.cloneNodeByPath('/path/');
+        expect(test['_files_']).not.toBeNull();
+        expect(test['_files_']).not.toBeUndefined();
+        expect(test['_files_'].length).toBe(2);
+    });
 });

src/file-tree.ts

@@ -36,12 +36,16 @@ export class FileTree {
         this.nodes = this.utils.generateNodeTree(files, this.nodes);
     }
 
-    public addFolder = (path: string, folderName: string) => {
+    public addFolder = (path: string, folderName: string, seed: any = null) => {
         var dir = this.getDirectoryFromPath(path);
         if (dir[folderName]) {
             throw new Error('Folder already exists');
         }
-        dir[folderName] = { '_files_': [] };
+        if (!seed) {
+            dir[folderName] = { '_files_': [] };
+        } else {
+            dir[folderName] = seed;
+        }
     }
 
     public renameFile = (path: string, oldName: string, newName: string) => {
@@ -133,6 +137,11 @@ export class FileTree {
         }
     }
 
+    public cloneNodeByPath = (path: string) => {
+        var node = this.getDirectoryFromPath(path);
+        return this.cloneNode(node);
+    }
+
     private cloneNode = (node: any) => {
         return JSON.parse(JSON.stringify(node));
     }