prettier -> biome

.github/workflows/test.yml

@@ -19,7 +19,7 @@ jobs:
           cache: npm
 
       - run: npm ci
-      - run: npm run fmt:check
+      - run: npm run check
       - run: npm run coverage
 
       - name: Upload coverage to Codecov

.vscode/extensions.json

@@ -0,0 +1,3 @@
+{
+  "recommendations": ["biomejs.biome"]
+}

.vscode/settings.json

@@ -0,0 +1,8 @@
+{
+  "editor.formatOnSave": true,
+  "editor.defaultFormatter": "biomejs.biome",
+  "editor.codeActionsOnSave": {
+    "quickfix.biome": "always",
+    "source.organizeImports.biome": "always",
+  },
+}

biome.json

@@ -0,0 +1,37 @@
+{
+  "$schema": "https://biomejs.dev/schemas/1.5.1/schema.json",
+  "javascript": {
+    "formatter": {
+      "indentWidth": 4,
+      "lineWidth": 90,
+      "arrowParentheses": "asNeeded"
+    }
+  },
+  "json": {
+    "parser": {
+      "allowComments": true,
+      "allowTrailingCommas": true
+    }
+  },
+  "formatter": {
+    "enabled": true,
+    "ignore": ["**/dist/**", "**/target/**"],
+    "indentStyle": "space",
+    "formatWithErrors": true
+  },
+  "organizeImports": {
+    "enabled": true
+  },
+  "linter": {
+    "enabled": true,
+    "ignore": ["**/dist/**", "**/target/**"],
+    "rules": {
+      "recommended": true
+    }
+  },
+  "vcs": {
+    "enabled": true,
+    "clientKind": "git",
+    "useIgnoreFile": true
+  }
+}

package.json

@@ -27,8 +27,9 @@
     "build": "tsup",
     "test": "jest",
     "coverage": "jest --coverage",
-    "fmt:check": "prettier **/*.ts -c",
-    "fmt": "prettier **/*.ts -w"
+    "format": "biome format .",
+    "lint": "biome lint .",
+    "check": "biome check ."
   },
   "repository": {
     "type": "git",
@@ -47,9 +48,9 @@
     "emnorst": "^1.0.0-next.2"
   },
   "devDependencies": {
+    "@biomejs/biome": "^1.5.1",
     "@swc/jest": "^0.2.26",
     "jest": "^29.5.0",
-    "prettier": "^2.8.8",
     "tsup": "^6.7.0",
     "typescript": "^5.0.4"
   }