perf: use native frontmatter edit method instead of graymatter

manifest.json

@@ -2,7 +2,7 @@
   "id": "alx-folder-note",
   "name": "AidenLx's Folder Note",
   "version": "0.16.4",
-  "minAppVersion": "0.14.8",
+  "minAppVersion": "1.1.0",
   "description": "Add description, summary and more info to folders with folder notes.",
   "author": "AidenLx",
   "authorUrl": "https://github.com/aidenlx",

package.json

@@ -40,7 +40,6 @@
     "eslint-plugin-prettier": "^4.2.1",
     "eslint-plugin-simple-import-sort": "~7.0.0",
     "fast-deep-equal": "^3.1.3",
-    "gray-matter": "^4.0.3",
     "monkey-around": "^2.3.0",
     "obsidian": "~1.2.8",
     "path-browserify": "^1.0.1",

src/modules/set-folder-icon.ts

@@ -1,20 +1,16 @@
 import type { IconInfo } from "@aidenlx/obsidian-icon-shortcodes/lib/icon-packs/types";
-import matter from "gray-matter";
 import { MarkdownView, TFile, TFolder } from "obsidian";
 
 import type ALxFolderNote from "../fn-main";
 
 const registerSetFolderIconCmd = (plugin: ALxFolderNote) => {
-  const { workspace, vault } = plugin.app;
-  const setIconField = async (icon: IconInfo | null, file: TFile) =>
-    icon &&
-    vault.modify(
-      file,
-      (matter(await vault.read(file)).stringify as any)(
-        { icon: icon.id },
-        { flowLevel: 3, indent: 4 },
-      ),
-    );
+  const { workspace, vault, fileManager } = plugin.app;
+  const setIconField = async (icon: IconInfo | null, file: TFile) => {
+    if (!icon) return;
+    await fileManager.processFrontMatter(file, (fm) => {
+      fm.icon = icon.id;
+    });
+  };
   plugin.addCommand({
     id: "set-folder-icon",
     name: "Set Folder Icon",