Add biome for JS formatting and linting.

Note that this only covers the `script` directory, as #112 (comment) will remove the old build script.

.github/workflows/check.yml

@@ -7,3 +7,4 @@ jobs:
       - uses: actions/checkout@v2
       - uses: ./.github/actions/bootstrap
       - run: npm run build
+      - run: npm run lint

Makefile

@@ -2,7 +2,7 @@
 # https://github.com/lgarron/Makefile-scripts
 
 # Note: the first command becomes the default `make` target.
-NPM_COMMANDS = build watch dev version postversion
+NPM_COMMANDS = build watch dev version postversion lint format
 
 .PHONY: $(NPM_COMMANDS)
 $(NPM_COMMANDS):

biome.json

@@ -0,0 +1,13 @@
+{
+  "formatter": {
+    "indentStyle": "space",
+    "indentSize": 2
+  },
+  "linter": {
+    "enabled": true,
+    "rules": {
+      "recommended": true
+    }
+  }
+}
+

package.json

@@ -6,6 +6,7 @@
     "@babel/core": "^7.10.5",
     "@babel/preset-env": "^7.10.4",
     "@babel/register": "^7.10.5",
+    "@biomejs/biome": "^1.1.2",
     "bufferstreams": "^3.0.0",
     "del": "^5.1.0",
     "gulp": "^4.0.2",
@@ -22,7 +23,9 @@
     "watch": "gulp watch",
     "dev": "npm run watch",
     "version": "npm run build",
-    "postversion": "git push --follow-tags [email protected]:cubing/icons.git HEAD:main && npm publish"
+    "postversion": "git push --follow-tags [email protected]:cubing/icons.git HEAD:main && npm publish",
+    "lint": "npx @biomejs/biome check ./script",
+    "format": "npx @biomejs/biome format --write ./script"
   },
   "repository": {
     "type": "git",

script/stub.js

@@ -0,0 +1 @@
+// This is a stub until https://github.com/cubing/icons/pull/112 lands.