Biome config

biome.json

{
  "root": false,
  "$schema": "https://biomejs.dev/schemas/2.1.4/schema.json",
  "vcs": {
    "enabled": true,
    "clientKind": "git",
    "useIgnoreFile": true
  },
  "files": {
    "ignoreUnknown": false,
    "includes": ["**"]
  },
  "formatter": {
    "enabled": true,
    "indentStyle": "space",
    "indentWidth": 2
  },
  "assist": { "actions": { "source": { "organizeImports": "on" } } },
  "linter": {
    "enabled": true,
    "rules": {
      "recommended": true
    }
  },
  "javascript": {
    "formatter": {
      "quoteStyle": "double"
    }
  },
  "overrides": [
    {
      "includes": ["**/*.astro"],
      "linter": {
        "rules": {
          "style": {
            "useConst": "off",
            "useImportType": "off"
          }
        }
      }
    }
  ]
}

npm i -D @biomejs/biome
package.json scripts:

    "lint": "biome check",
    "lint:fix": "biome check --write",
    "lint:dangerous": "biome lint --write --unsafe",
    "biome:migrate: "biome migrate --write"