Speed up npm run test with eslint/tsc caching

Ignore .agents skill bundles from eslint (template files not part of
the build), enable eslint --cache and tsc --incremental so warm re-runs
skip unchanged files.

.gitignore

@@ -11,6 +11,8 @@ node_modules
 dist
 dist-ssr
 *.local
+.eslintcache
+.tsbuildinfo
 yarn.lock
 deploy.sh
 

eslint.config.js

@@ -8,7 +8,7 @@ import htmlParser from "@html-eslint/parser";
 import customRules from "./eslint-rules/index.js";
 
 export default tseslint.config(
-  { ignores: ["dist", "android", "ios"] },
+  { ignores: ["dist", "android", "ios", ".agents"] },
   {
     extends: [js.configs.recommended, ...tseslint.configs.recommended],
     files: ["**/*.{ts,tsx}"],

package.json

@@ -6,7 +6,7 @@
   "scripts": {
     "dev": "npm i --silent && vite",
     "build": "npm i --silent && vite build -l error && cp dist/index.html dist/404.html && echo 'Project built successfully!'",
-    "test": "npm i --silent && tsc --noEmit && eslint && vitest run --reporter=dot --silent && vite build -l error && cp dist/index.html dist/404.html && echo 'All tests passed!'",
+    "test": "npm i --silent && tsc --noEmit && eslint --cache && vitest run --reporter=dot --silent && vite build -l error && cp dist/index.html dist/404.html && echo 'All tests passed!'",
     "cap:sync": "npx cap sync && node scripts/patch-cap-config.mjs",
     "keygen": "keytool -genkey -v -keystore android/app/my-upload-key.keystore -keyalg RSA -keysize 2048 -validity 10000 -alias upload",
     "icons": "bash scripts/generate-icons.sh"

tsconfig.json

@@ -23,6 +23,10 @@
     "noImplicitAny": false,
     "noFallthroughCasesInSwitch": false,
 
+    /* Incremental compilation for faster re-runs of `tsc --noEmit` */
+    "incremental": true,
+    "tsBuildInfoFile": "./.tsbuildinfo",
+
     "baseUrl": ".",
     "paths": {
       "@/*": ["./src/*"]