biome.jsonc

{
  "$schema": "https://biomejs.dev/schemas/1.9.4/schema.json",
  "extends": ["@sumup-oss/foundry/biome"],
  "files": {
    "ignore": [
      // Generated artifacts
      "**/build/**",
      "**/dist/**",
      "**/public/**",
      "**/.next/**",
      "**/.out/**",
      "**/__coverage__/**",
      "**/__reports__/**",
      "**/*.astro",
      "**/vendor/**"
    ]
  },
  "formatter": {
    "ignore": [
      // Configuration files that use conflicting formatting
      ".changeset/**",
      "**/package.json",
      "**/package-lock.json",
      "**/tsconfig.json",
      "**/tsconfig.*.json",
      "**/lerna.json",
      "**/.vscode/extensions.json"
    ]
  },
  "organizeImports": {
    "enabled": false
  },
  "css": {
    "formatter": {
      "enabled": false
    }
  },
  "linter": {
    "rules": {
      "recommended": true,
      "a11y": {
        "noRedundantRoles": "warn",
        "useSemanticElements": "warn"
      },
      "correctness": {
        "useExhaustiveDependencies": "error"
      },
      "style": {
        "noDefaultExport": "error",
        "useFilenamingConvention": {
          "level": "error",
          "options": {
            "requireAscii": true,
            "filenameCases": ["camelCase", "kebab-case", "PascalCase"]
          }
        }
      },
      "suspicious": {
        "noArrayIndexKey": "warn",
        "noExplicitAny": "warn"
      }
    },
    "ignore": [
      // The templates have their own linting setup
      "templates/astro/**",
      "templates/nextjs/template/**",
      "templates/remix/**"
    ]
  },
  "overrides": [
    {
      "include": ["*.css"],
      "css": {
        "formatter": {
          "indentStyle": "space",
          "quoteStyle": "double"
        },
        "linter": {
          "enabled": true
        }
      }
    },
    {
      "include": ["*.module.css"],
      "css": {
        "parser": {
          "cssModules": true
        }
      }
    },
    {
      "include": [
        "*.stories.*",
        "**/vite.config.*",
        "**/vitest.config.*",
        "**/vitest.workspace.*",
        "packages/stylelint-plugin-circuit-ui/**",
        ".storybook/main.*"
      ],
      "linter": {
        "rules": {
          "style": {
            "noDefaultExport": "off"
          }
        }
      }
    },
    {
      "include": ["packages/eslint-plugin-circuit-ui/**"],
      "linter": {
        "rules": {
          "style": {
            "noNonNullAssertion": "off"
          }
        }
      }
    },
    {
      "include": ["**/*spec.*", "**/setupTests.*", "**/test-utils.*"],
      "linter": {
        "rules": {
          "suspicious": {
            "noGlobalAssign": "off"
          }
        }
      }
    }
  ]
}