feat: create FileNode class, addChild method

packages/file-graph/fileNode.test.js

@@ -0,0 +1,64 @@
+import FileNode from './fileNode.js'
+
+test('addChild method adds a child node to the tree', () => {
+  const files = [
+    {
+      path: '/home/rudeus',
+      name: 'rudeus',
+      type: 'folder',
+      discovered: 'test',
+    },
+    {
+      path: '/home/rudeus/.bash_history',
+      name: '.bash_history',
+      type: 'file',
+      discovered: 'test',
+    },
+    {
+      path: '/home/rudeus/.viminfo',
+      name: '.viminfo',
+      type: 'file',
+      discovered: 'test',
+    },
+    {
+      path: '/home/rudeus/.zshrc',
+      name: '.zshrc',
+      type: 'file',
+      discovered: 'test',
+    },
+    {
+      path: '/home/rudeus/forgotten_scroll.txt',
+      name: 'forgotten_scroll.txt',
+      type: 'file',
+      discovered: 'test',
+    },
+    {
+      path: '/home/rudeus/test',
+      name: 'test',
+      type: 'folder',
+      discovered: 'test',
+    },
+    {
+      path: '/home/rudeus/test/.b',
+      name: '.b',
+      type: 'file',
+      discovered: false,
+    },
+    {
+      path: '/home/rudeus/test/a',
+      name: 'a',
+      type: 'file',
+      discovered: false,
+    },
+  ]
+
+  const root = new FileNode(files[0])
+
+  files.slice(1).forEach((file) => {
+    root.addChild(file)
+  })
+
+  console.log(root.toString())
+
+  expect(root.children.length).toBe(5)
+})