feat: migrate to flat config and add prettier plugin for package.json

Author: ericc-ch

bun.lock

@@ -0,0 +1,7 @@
+import config from "@echristian/eslint-config"
+
+export default config({
+  prettier: {
+    plugins: ["prettier-plugin-packagejson"],
+  },
+})

eslint.config.js

@@ -54,8 +54,10 @@
     "@types/bun": "^1.2.4",
     "bumpp": "^10.0.3",
     "eslint": "^9.22.0",
+    "jiti": "^2.4.2",
     "knip": "^5.45.0",
     "lint-staged": "^15.4.3",
+    "prettier-plugin-packagejson": "^2.5.10",
     "simple-git-hooks": "^2.11.1",
     "tsup": "^8.4.0",
     "typescript": "^5.8.2"

eslint.config.ts

@@ -1,12 +1,12 @@
 {
   "compilerOptions": {
     // Enable latest features
-    "lib": ["ESNext", "DOM"],
     "target": "ESNext",
+    "lib": ["ESNext"],
     "module": "ESNext",
-    "moduleDetection": "force",
-    "jsx": "react-jsx",
-    "allowJs": true,
+    "skipLibCheck": true,
+
+    
 
     // Bundler mode
     "moduleResolution": "bundler",
@@ -16,7 +16,6 @@
 
     // Best practices
     "strict": true,
-    "skipLibCheck": true,
     "noFallthroughCasesInSwitch": true,
 
     // Some stricter flags (disabled by default)