wip: replace packages with pure files

packages/file-graph/fileGraph.ts

@@ -0,0 +1,60 @@
+import { FileObject } from './file.js'
+import FileNode from './fileNode.js'
+
+export interface FileGraphUpdateEvent {
+  add?: FileObject[]
+  remove?: FileObject[]
+  discover?: FileObject[]
+}
+
+export default class FileGraph extends FileNode {
+  add(files: FileObject[]) {
+    // Logic to add the file node to the graph
+    // You can implement the logic to find the appropriate location in the file graph
+    // If the file node already exists, throw an error
+
+    files.forEach((file) => {
+      this.addChild(file, { makeParents: true })
+    })
+  }
+
+  remove(files: FileObject[]) {
+    // Logic to remove a file node from the graph
+    // If the file node is a directory, also remove all children
+    // If the file node doesn't exist, throw an error
+
+    files.forEach((file) => {
+      this.removeChild(file)
+    })
+  }
+
+  discover(eventFiles: FileObject[]) {
+    // Logic to handle the discover event
+    // Overwrite the file graph with the provided files
+    // Remove file nodes that don't exist anymore and add new ones
+
+    const newNode = new FileNode(eventFiles[0])
+
+    eventFiles.slice(1).forEach((file) => {
+      newNode.addChild(file, { makeParents: true })
+    })
+
+    this.merge(newNode)
+  }
+
+  handleEvent(event: FileGraphUpdateEvent) {
+    // eslint-disable-next-line default-case
+    switch (true) {
+      case !!event.add:
+        this.add(event.add)
+        break
+      case !!event.remove:
+        this.remove(event.remove)
+        break
+      case !!event.discover:
+        this.discover(event.discover)
+        break
+      // Implement other cases if needed
+    }
+  }
+}