style: use biome

.gitignore

@@ -23,3 +23,8 @@ yalc.lock
 !.yarn/sdks
 !.yarn/versions
 .pnp.*
+
+# biome does not support nested ignore files
+/packages/md.icons/src
+/packages/md.icons/cjs
+/packages/md.icons/es

biome.json

@@ -0,0 +1,42 @@
+{
+  "$schema": "./node_modules/@biomejs/biome/configuration_schema.json",
+  "vcs": {
+    "enabled": true,
+    "useIgnoreFile": true,
+    "clientKind": "git"
+  },
+  "organizeImports": {
+    "enabled": true
+  },
+  "files": {
+    "ignore": ["**/fixtures", "package.json"]
+  },
+  "formatter": {
+    "indentStyle": "space"
+  },
+  "javascript": {
+    "formatter": {
+      "quoteStyle": "single",
+      "semicolons": "asNeeded",
+      "arrowParentheses": "always",
+      "trailingComma": "all",
+      "bracketSpacing": false
+    }
+  },
+  "linter": {
+    "enabled": true,
+    "rules": {
+      "recommended": true
+    }
+  },
+  "overrides": [
+    {
+      "include": [".vscode/*.json", ".cspell.json"],
+      "json": {
+        "parser": {
+          "allowComments": true
+        }
+      }
+    }
+  ]
+}

package.json

@@ -4,6 +4,9 @@
     "packages/*"
   ],
   "scripts": {
+    "lint": "biome check .",
+    "lint:fix": "biome check --apply .",
+    "lint:fix-unsafe": "biome check --apply-unsafe .",
     "release": "yarn test && yarn build && lerna publish",
     "build": "yarn workspaces foreach -Ap run build",
     "test": "NODE_OPTIONS=--experimental-vm-modules jest"
@@ -12,6 +15,7 @@
     "preset": "es-jest"
   },
   "devDependencies": {
+    "@biomejs/biome": "^1.6.4",
     "@types/jest": "^29.2.0",
     "es-jest": "^2.0.0",
     "jest": "^29.2.2",

yarn.lock

@@ -526,6 +526,97 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@biomejs/biome@npm:^1.6.4":
+  version: 1.6.4
+  resolution: "@biomejs/biome@npm:1.6.4"
+  dependencies:
+    "@biomejs/cli-darwin-arm64": "npm:1.6.4"
+    "@biomejs/cli-darwin-x64": "npm:1.6.4"
+    "@biomejs/cli-linux-arm64": "npm:1.6.4"
+    "@biomejs/cli-linux-arm64-musl": "npm:1.6.4"
+    "@biomejs/cli-linux-x64": "npm:1.6.4"
+    "@biomejs/cli-linux-x64-musl": "npm:1.6.4"
+    "@biomejs/cli-win32-arm64": "npm:1.6.4"
+    "@biomejs/cli-win32-x64": "npm:1.6.4"
+  dependenciesMeta:
+    "@biomejs/cli-darwin-arm64":
+      optional: true
+    "@biomejs/cli-darwin-x64":
+      optional: true
+    "@biomejs/cli-linux-arm64":
+      optional: true
+    "@biomejs/cli-linux-arm64-musl":
+      optional: true
+    "@biomejs/cli-linux-x64":
+      optional: true
+    "@biomejs/cli-linux-x64-musl":
+      optional: true
+    "@biomejs/cli-win32-arm64":
+      optional: true
+    "@biomejs/cli-win32-x64":
+      optional: true
+  bin:
+    biome: bin/biome
+  checksum: 10c0/f85a5af7c4b3edb40c97a7a4fa2c78b91367cf31fe27d115d95f5f37d64c2b49091bb34d1495dfc8a053688b01fe9ed5746bc37bc99f0cec6d7915274df45a38
+  languageName: node
+  linkType: hard
+
+"@biomejs/cli-darwin-arm64@npm:1.6.4":
+  version: 1.6.4
+  resolution: "@biomejs/cli-darwin-arm64@npm:1.6.4"
+  conditions: os=darwin & cpu=arm64
+  languageName: node
+  linkType: hard
+
+"@biomejs/cli-darwin-x64@npm:1.6.4":
+  version: 1.6.4
+  resolution: "@biomejs/cli-darwin-x64@npm:1.6.4"
+  conditions: os=darwin & cpu=x64
+  languageName: node
+  linkType: hard
+
+"@biomejs/cli-linux-arm64-musl@npm:1.6.4":
+  version: 1.6.4
+  resolution: "@biomejs/cli-linux-arm64-musl@npm:1.6.4"
+  conditions: os=linux & cpu=arm64 & libc=musl
+  languageName: node
+  linkType: hard
+
+"@biomejs/cli-linux-arm64@npm:1.6.4":
+  version: 1.6.4
+  resolution: "@biomejs/cli-linux-arm64@npm:1.6.4"
+  conditions: os=linux & cpu=arm64 & libc=glibc
+  languageName: node
+  linkType: hard
+
+"@biomejs/cli-linux-x64-musl@npm:1.6.4":
+  version: 1.6.4
+  resolution: "@biomejs/cli-linux-x64-musl@npm:1.6.4"
+  conditions: os=linux & cpu=x64 & libc=musl
+  languageName: node
+  linkType: hard
+
+"@biomejs/cli-linux-x64@npm:1.6.4":
+  version: 1.6.4
+  resolution: "@biomejs/cli-linux-x64@npm:1.6.4"
+  conditions: os=linux & cpu=x64 & libc=glibc
+  languageName: node
+  linkType: hard
+
+"@biomejs/cli-win32-arm64@npm:1.6.4":
+  version: 1.6.4
+  resolution: "@biomejs/cli-win32-arm64@npm:1.6.4"
+  conditions: os=win32 & cpu=arm64
+  languageName: node
+  linkType: hard
+
+"@biomejs/cli-win32-x64@npm:1.6.4":
+  version: 1.6.4
+  resolution: "@biomejs/cli-win32-x64@npm:1.6.4"
+  conditions: os=win32 & cpu=x64
+  languageName: node
+  linkType: hard
+
 "@emotion/babel-plugin@npm:^11.10.0":
   version: 11.10.2
   resolution: "@emotion/babel-plugin@npm:11.10.2"
@@ -8671,6 +8762,7 @@ __metadata:
   version: 0.0.0-use.local
   resolution: "root-workspace-0b6124@workspace:."
   dependencies:
+    "@biomejs/biome": "npm:^1.6.4"
     "@types/jest": "npm:^29.2.0"
     es-jest: "npm:^2.0.0"
     jest: "npm:^29.2.2"