refactor: replace ESLint and Prettier with Biome (#79)

biome.json

@@ -0,0 +1,66 @@
+{
+  "$schema": "https://biomejs.dev/schemas/1.9.4/schema.json",
+  "vcs": {
+    "enabled": false,
+    "clientKind": "git",
+    "useIgnoreFile": true
+  },
+  "files": {
+    "ignoreUnknown": true,
+    "ignore": ["node_modules", "dist", "coverage", "pnpm-lock.yaml"]
+  },
+  "formatter": {
+    "enabled": true,
+    "useEditorconfig": true,
+    "formatWithErrors": false,
+    "indentStyle": "space",
+    "indentWidth": 2,
+    "lineEnding": "lf",
+    "lineWidth": 80,
+    "attributePosition": "auto",
+    "bracketSpacing": true,
+    "ignore": ["**/pnpm-lock.yaml"]
+  },
+  "organizeImports": {
+    "enabled": true
+  },
+  "linter": {
+    "enabled": true,
+    "rules": {
+      "recommended": true,
+      "correctness": {
+        "noUndeclaredVariables": "error",
+        "noUnusedPrivateClassMembers": "error",
+        "noUnusedVariables": "error",
+        "useArrayLiterals": "error"
+      },
+      "style": {
+        "noNamespace": "error",
+        "useBlockStatements": "off"
+      },
+      "suspicious": {
+        "noEmptyBlockStatements": "error"
+      }
+    },
+    "ignore": [
+      "node_modules/**/*",
+      "dist/**/*",
+      "coverage/*/*",
+      "pnpm-lock.yaml"
+    ]
+  },
+  "javascript": {
+    "formatter": {
+      "jsxQuoteStyle": "double",
+      "quoteProperties": "asNeeded",
+      "trailingCommas": "all",
+      "semicolons": "always",
+      "arrowParentheses": "always",
+      "bracketSameLine": false,
+      "quoteStyle": "single",
+      "attributePosition": "auto",
+      "bracketSpacing": true
+    },
+    "globals": []
+  }
+}

package.json

@@ -8,12 +8,10 @@
   "bin": {
     "imgdl": "dist/cli.js"
   },
-  "files": [
-    "dist"
-  ],
+  "files": ["dist"],
   "scripts": {
-    "lint": "eslint . && prettier --check .",
-    "lint:fix": "eslint . --fix && prettier --write .",
+    "lint": "biome check .",
+    "lint:fix": "biome check --write .",
     "test": "vitest run",
     "test:watch": "vitest",
     "test:cov": "vitest run --coverage",
@@ -23,11 +21,7 @@
     "type": "git",
     "url": "git+https://github.com/fityannugroho/img-dl.git"
   },
-  "keywords": [
-    "image-downloader",
-    "nodejs",
-    "cli"
-  ],
+  "keywords": ["image-downloader", "nodejs", "cli"],
   "author": "Fityan <[email protected]> (https://github.com/fityannugroho)",
   "license": "MIT",
   "bugs": {
@@ -39,19 +33,15 @@
     "node": ">=20.9"
   },
   "devDependencies": {
-    "@eslint/js": "^9.12.0",
+    "@biomejs/biome": "1.9.4",
     "@types/cli-progress": "^3.11.6",
     "@types/node": "^22.7.6",
     "@vitest/coverage-v8": "^2.1.3",
-    "eslint": "^8.57.0",
-    "eslint-config-prettier": "^9.1.0",
     "execa": "^9.4.1",
     "file-type": "^19.6.0",
     "msw": "^2.4.11",
-    "prettier": "^3.3.3",
     "tsup": "^8.3.0",
     "typescript": "^5.6.3",
-    "typescript-eslint": "^7.8.0",
     "vitest": "^2.1.3"
   },
   "dependencies": {