Rearchitect import (#6141)

server/utils/ImportHelper.ts

@@ -0,0 +1,67 @@
+import path from "path";
+import fs from "fs-extra";
+import { deserializeFilename } from "./fs";
+
+export type FileTreeNode = {
+  /** The title, extracted from the file name */
+  title: string;
+  /** The file name including extension */
+  name: string;
+  /** Full path to the file within the zip file */
+  path: string;
+  /** Any nested children */
+  children: FileTreeNode[];
+};
+
+export default class ImportHelper {
+  /**
+   * Collects the files and folders for a directory filePath.
+   */
+  public static async toFileTree(
+    filePath: string,
+    currentDepth = 0
+  ): Promise<FileTreeNode | null> {
+    const name = path.basename(filePath);
+    const title = deserializeFilename(path.parse(path.basename(name)).name);
+    const item = {
+      path: filePath,
+      name,
+      title,
+      children: [] as FileTreeNode[],
+    };
+    let stats;
+
+    if ([".DS_Store", "__MACOSX"].includes(name)) {
+      return null;
+    }
+
+    try {
+      stats = await fs.stat(filePath);
+    } catch (e) {
+      return null;
+    }
+
+    if (stats.isFile()) {
+      return item;
+    }
+
+    if (stats.isDirectory()) {
+      const dirData = await fs.readdir(filePath);
+      if (dirData === null) {
+        return null;
+      }
+
+      item.children = (
+        await Promise.all(
+          dirData.map((child) =>
+            this.toFileTree(path.join(filePath, child), currentDepth + 1)
+          )
+        )
+      ).filter(Boolean) as FileTreeNode[];
+    } else {
+      return null;
+    }
+
+    return item;
+  }
+}