replace prettier and eslint with biome

Author: tobidelius

.editorconfig

@@ -4,12 +4,12 @@ Simple skeleton for TypeScript Node programs.
 
 ## Status
 
-[![Tests](https://github.com/tobidelius/typescript-node-skeleton/actions/workflows/tests.yml/badge.svg)](https://github.com/tobidelius/typescript-node-skeleton/actions/workflows/tests.yml)
+[![Tests](https://github.com/tobidelius/typescript-node-skeleton/actions/workflows/test.yml/badge.svg)](https://github.com/tobidelius/typescript-node-skeleton/actions/workflows/test.yml)
 
 ## Usage
 
 1. Start by running `./setup` to install the development dependencies.
    (reason for doing this is to make sure you get the latest stable versions).
 2. After this is done you you can remove the `setup` file.
 3. Make sure you edit `package.json` with a new name and meta information.
-4. Open `.github/workflows/tests.yml` and change `run: ./setup` to: `run: npm install`.
+4. Open `.github/workflows/test.yml` and change `run: ./setup` to: `run: npm install`.

.github/workflows/tests.yml .github/workflows/test.yml.github/workflows/tests.yml renamed to .github/workflows/test.yml

@@ -0,0 +1,30 @@
+{
+  "$schema": "https://biomejs.dev/schemas/2.4.2/schema.json",
+  "files": {
+    "ignoreUnknown": false
+  },
+  "formatter": {
+    "enabled": true,
+    "indentStyle": "space"
+  },
+  "linter": {
+    "enabled": true,
+    "rules": {
+      "recommended": true
+    }
+  },
+  "javascript": {
+    "formatter": {
+      "quoteStyle": "single",
+      "semicolons": "asNeeded"
+    }
+  },
+  "assist": {
+    "enabled": true,
+    "actions": {
+      "source": {
+        "organizeImports": "on"
+      }
+    }
+  }
+}

.prettierrc.json

@@ -8,7 +8,7 @@
     "test": "vitest --run",
     "test:watch": "vitest --watch",
     "test:coverage": "vitest --coverage --watch=false",
-    "lint": "npx eslint .",
+    "lint": "npx biome check",
     "build": "npx tsc"
   },
   "author": "Tobias Sandelius @tobidelius",
@@ -21,5 +21,12 @@
     "type": "git",
     "url": "git+https://github.com/tobidelius/typescript-node-skeleton.git"
   },
-  "devDependencies": {}
+  "devDependencies": {
+    "@biomejs/biome": "^2.4.2",
+    "@tsconfig/node24": "^24.0.4",
+    "@types/node": "^25.2.3",
+    "@vitest/coverage-v8": "^4.0.18",
+    "typescript": "^5.9.3",
+    "vitest": "^4.0.18"
+  }
 }

README.md

@@ -1,11 +1,6 @@
 npm i -D typescript \
-  @tsconfig/node22 \
+  @tsconfig/node24 \
   @types/node \
   @vitest/coverage-v8 \
   vitest \
-  eslint \
-  @eslint/js \
-  typescript-eslint \
-  prettier \
-  eslint-plugin-prettier \
-  eslint-config-prettier
+  @biomejs/biome

biome.json

@@ -1,5 +1,5 @@
 {
-  "extends": "@tsconfig/node22/tsconfig.json",
+  "extends": "@tsconfig/node24/tsconfig.json",
   "compilerOptions": {
     "outDir": "./dist",
     "declaration": true,
@@ -12,12 +12,6 @@
       "vitest/globals"
     ]
   },
-  "include": [
-    "src/**/*.ts",
-    "test/**/*.ts"
-  ],
-  "exclude": [
-    "node_modules",
-    "dist"
-  ]
+  "include": ["src/**/*.ts", "test/**/*.ts"],
+  "exclude": ["node_modules", "dist"]
 }