Switch to Biome for linting and formatting

Signed-off-by: Bradley Reynolds <bradley.reynolds@tailstory.dev>

Author: shenanigansd

.github/workflows/ci.yaml

@@ -10,21 +10,17 @@ permissions:
   contents: read
 
 jobs:
-  lint:
+  biome:
+    name: Biome
     runs-on: ubuntu-latest
-
     steps:
-      - name: Checkout repository
+      - name: Checkout
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          persist-credentials: false
 
-      - name: Setup Node.js
-        uses: actions/setup-node@53b83947a5a98c8d113130e565377fae1a50d02f # v6.3.0
-
-      - name: Install dependencies
-        run: npm ci
-
-      - name: Format
-        run: npx prettier --check .
+      - name: Setup Biome
+        uses: biomejs/setup-biome@4c91541eaada48f67d7dbd7833600ce162b68f51 # v2.7.1
 
-      - name: Lint
-        run: npx eslint .
+      - name: Run Biome
+        run: biome ci . --reporter=github

.prettierrc.mjs

@@ -0,0 +1,40 @@
+{
+  "$schema": "https://biomejs.dev/schemas/2.4.10/schema.json",
+  "vcs": {
+    "enabled": true,
+    "clientKind": "git",
+    "useIgnoreFile": true
+  },
+  "files": {
+    "ignoreUnknown": false,
+    "includes": ["**", "!!worker-configuration.d.ts"]
+  },
+  "formatter": {
+    "enabled": true,
+    "indentStyle": "space",
+    "indentWidth": 2
+  },
+  "linter": {
+    "enabled": true,
+    "rules": {
+      "recommended": true,
+      "correctness": {
+        "noUnusedImports": "off",
+        "noUnusedVariables": "off"
+      }
+    }
+  },
+  "javascript": {
+    "formatter": {
+      "quoteStyle": "double"
+    }
+  },
+  "assist": {
+    "enabled": true,
+    "actions": {
+      "source": {
+        "organizeImports": "on"
+      }
+    }
+  }
+}

biome.json

@@ -1,7 +1,6 @@
 {
   "extends": "astro/tsconfigs/strictest",
   "compilerOptions": {
-    "baseUrl": ".",
     "paths": {
       "@/*": ["./src/*"]
     },