chore: added prettier and settings

Author: JohnsonChin1009

.prettierignore

@@ -0,0 +1,27 @@
+# Dependencies
+node_modules/
+package-lock.json
+yarn.lock
+pnpm-lock.yaml
+
+# Build outputs
+dist/
+build/
+out/
+coverage/
+
+# Generated files
+*.min.js
+*.min.css
+
+# Documentation - keep manual formatting
+*.md
+
+# Config files that should keep specific formatting
+.github/
+.vscode/
+.claude/
+package.json
+tsconfig.json
+*.config.js
+*.config.ts

.prettierrc

@@ -0,0 +1,10 @@
+{
+  "semi": true,
+  "trailingComma": "es5",
+  "singleQuote": false,
+  "printWidth": 100,
+  "tabWidth": 2,
+  "useTabs": false,
+  "arrowParens": "always",
+  "endOfLine": "lf"
+}

package-lock.json

@@ -10,7 +10,8 @@
     "test:ci": "jest --ci --reporters=default --reporters=jest-junit",
     "test:watch": "jest --watch",
     "test:coverage": "jest --coverage",
-    "tsup": "tsup src/index.ts --dts --format cjs,esm --out-dir dist"
+    "tsup": "tsup src/index.ts --dts --format cjs,esm --out-dir dist",
+    "format": "prettier --write \"src/**/*.ts\" \"test/**/*.ts\" \"examples/**/*.ts\""
   },
   "author": "",
   "license": "ISC",
@@ -24,6 +25,7 @@
     "dotenv": "^17.2.3",
     "jest": "^30.2.0",
     "jest-junit": "^16.0.0",
+    "prettier": "3.8.1",
     "ts-jest": "^29.4.5",
     "typescript": "^5.8.3"
   },