biome.json

{
  "$schema": "https://biomejs.dev/schemas/1.8.3/schema.json",
  "formatter": {
    "enabled": true,
    "formatWithErrors": false,
    "indentStyle": "space",
    "indentWidth": 2,
    "lineEnding": "lf",
    "lineWidth": 80,
    "attributePosition": "auto"
  },
  "organizeImports": { "enabled": true },
  "linter": {
    "enabled": true,
    "rules": {
      "recommended": true,
      "correctness": { "noUnusedImports": "error" },
      "style": { "noNonNullAssertion": "off" }
    }
  },
  "javascript": {
    "formatter": {
      "jsxQuoteStyle": "double",
      "quoteProperties": "asNeeded",
      "semicolons": "asNeeded",
      "arrowParentheses": "always",
      "bracketSpacing": true,
      "bracketSameLine": false,
      "quoteStyle": "single",
      "attributePosition": "auto",
      "trailingCommas": "none"
    }
  }
}