feat(in_app_help): support folder icons

src/services/in_app_help.spec.ts

@@ -0,0 +1,41 @@
+import { describe, expect, expectTypeOf, it } from "vitest";
+import { parseNoteMeta } from "./in_app_help.js";
+import type NoteMeta from "./meta/note_meta.js";
+
+describe("In-app help", () => {
+
+    it("preserves custom folder icon", () => {
+        const meta: NoteMeta = {
+            "isClone": false,
+            "noteId": "yoAe4jV2yzbd",
+            "notePath": [
+                "OkOZllzB3fqN",
+                "yoAe4jV2yzbd"
+            ],
+            "title": "Features",
+            "notePosition": 40,
+            "prefix": null,
+            "isExpanded": false,
+            "type": "text",
+            "mime": "text/html",
+            "attributes": [
+                {
+                    "type": "label",
+                    "name": "iconClass",
+                    "value": "bx bx-star",
+                    "isInheritable": false,
+                    "position": 10
+                }
+            ],
+            "format": "html",
+            "attachments": [],
+            "dirFileName": "Features",
+            "children": []
+        };
+
+        const item = parseNoteMeta(meta, "/");
+        const icon = item.attributes?.find((a) => a.name === "iconClass");
+        expect(icon?.value).toBe("bx bx-star");
+    });
+
+});

src/services/in_app_help.ts

@@ -33,7 +33,7 @@ function parseNoteMetaFile(noteMetaFile: NoteMetaFile): HiddenSubtreeItem[] {
     return parsedMetaRoot.children ?? [];
 }
 
-function parseNoteMeta(noteMeta: NoteMeta, docNameRoot: string): HiddenSubtreeItem {
+export function parseNoteMeta(noteMeta: NoteMeta, docNameRoot: string): HiddenSubtreeItem {
     let iconClass: string = "bx bx-file";
     const item: HiddenSubtreeItem = {
         id: `_help_${noteMeta.noteId}`,
@@ -42,6 +42,12 @@ function parseNoteMeta(noteMeta: NoteMeta, docNameRoot: string): HiddenSubtreeIt
         attributes: []
     };
 
+    // Handle folder notes
+    if (!noteMeta.dataFileName) {
+        iconClass = "bx bx-folder";
+        item.type = "book";
+    }
+
     // Handle attributes
     for (const attribute of noteMeta.attributes ?? []) {
         if (attribute.name === "iconClass") {
@@ -58,12 +64,6 @@ function parseNoteMeta(noteMeta: NoteMeta, docNameRoot: string): HiddenSubtreeIt
         }
     }
 
-    // Handle folder notes
-    if (!noteMeta.dataFileName) {
-        iconClass = "bx bx-folder";
-        item.type = "book";
-    }
-
     // Handle text notes
     if (noteMeta.type === "text" && noteMeta.dataFileName) {
         const docPath = `${docNameRoot}/${path.basename(noteMeta.dataFileName, ".html")}`

src/services/meta/note_meta.ts

@@ -20,7 +20,7 @@ export default interface NoteMeta {
     mime?: string;
     /** 'html' or 'markdown', applicable to text notes only */
     format?: "html" | "markdown";
-    dataFileName: string;
+    dataFileName?: string;
     dirFileName?: string;
     /** this file should not be imported (e.g., HTML navigation) */
     noImport?: boolean;