chore: migrate plugin source to TypeScript scaffold

.gitignore

@@ -0,0 +1,2 @@
+node_modules/
+.DS_Store

README.md

@@ -54,11 +54,25 @@ After approval and publication, install Smart Folder View from Obsidian's Commun
 
 ## Development Notes
 
-- Runtime entry: `main.js`
+- Source entry: `src/main.ts`
+- Build output: `main.js`
 - Release metadata: `manifest.json`
 - Version compatibility map: `versions.json`
 - Local state file: `data.json` (not a release asset)
 
+### Build
+
+```bash
+npm install
+npm run build
+```
+
+### Watch mode
+
+```bash
+npm run dev
+```
+
 ## Release Checklist
 
 1. Update `manifest.json` version and minimum compatible Obsidian version.

esbuild.config.mjs

@@ -0,0 +1,22 @@
+import esbuild from "esbuild";
+
+const prod = process.argv[2] === "production";
+
+const context = await esbuild.context({
+  entryPoints: ["src/main.ts"],
+  bundle: true,
+  external: ["obsidian"],
+  format: "cjs",
+  target: "es2020",
+  logLevel: "info",
+  sourcemap: prod ? false : "inline",
+  treeShaking: true,
+  outfile: "main.js",
+});
+
+if (prod) {
+  await context.rebuild();
+  await context.dispose();
+} else {
+  await context.watch();
+}

package.json

@@ -0,0 +1,23 @@
+{
+  "name": "smart-folder-view",
+  "version": "0.1.0",
+  "description": "Interactive folder dashboard with timeline and board views, filters, drag sorting, and saved page presets.",
+  "main": "main.js",
+  "scripts": {
+    "build": "node esbuild.config.mjs production",
+    "dev": "node esbuild.config.mjs",
+    "version": "node version-bump.mjs && git add manifest.json versions.json package.json"
+  },
+  "keywords": [
+    "obsidian",
+    "obsidian-plugin"
+  ],
+  "author": "cyanwang",
+  "license": "MIT",
+  "devDependencies": {
+    "esbuild": "^0.25.4",
+    "obsidian": "latest",
+    "tslib": "^2.8.1",
+    "typescript": "^5.8.3"
+  }
+}

tsconfig.json

@@ -0,0 +1,22 @@
+{
+  "compilerOptions": {
+    "target": "ES2020",
+    "lib": [
+      "DOM",
+      "ES2020"
+    ],
+    "module": "ESNext",
+    "moduleResolution": "Bundler",
+    "strict": false,
+    "allowJs": false,
+    "esModuleInterop": true,
+    "skipLibCheck": true,
+    "sourceMap": true,
+    "inlineSources": true,
+    "resolveJsonModule": true,
+    "types": []
+  },
+  "include": [
+    "src/**/*.ts"
+  ]
+}

version-bump.mjs

@@ -0,0 +1,19 @@
+import fs from "fs";
+
+const manifestPath = "manifest.json";
+const versionsPath = "versions.json";
+const packagePath = "package.json";
+
+const manifest = JSON.parse(fs.readFileSync(manifestPath, "utf8"));
+const versions = JSON.parse(fs.readFileSync(versionsPath, "utf8"));
+const pkg = JSON.parse(fs.readFileSync(packagePath, "utf8"));
+
+if (!manifest.version || !manifest.minAppVersion) {
+  throw new Error("manifest.json must include version and minAppVersion");
+}
+
+versions[manifest.version] = manifest.minAppVersion;
+pkg.version = manifest.version;
+
+fs.writeFileSync(versionsPath, JSON.stringify(versions, null, 2) + "\n");
+fs.writeFileSync(packagePath, JSON.stringify(pkg, null, 2) + "\n");