1. .editorconfig

root = true

[*]
charset = utf-8
end_of_line = lf
indent_size = 4
indent_style = space
insert_final_newline = true
trim_trailing_whitespace = true

[*.md]
trim_trailing_whitespace = false

[*.{yml,yaml}]
indent_size = 2

[*.{ts,tsx}]
quote_type = single

2. biome.json

{
    "$schema": "https://biomejs.dev/schemas/2.3.11/schema.json",
    "assist": {
        "actions": {
            "source": {
                "organizeImports": "on",
                "useSortedAttributes": "on",
                "useSortedKeys": "on",
                "useSortedProperties": "on"
            }
        },
        "enabled": true
    },
    "files": {
        "ignoreUnknown": false
    },
    "formatter": {
        "enabled": true,
        "useEditorconfig": true
    },
    "javascript": {
        "formatter": {
            "arrowParentheses": "asNeeded",
            "quoteStyle": "single",
            "semicolons": "asNeeded"
        }
    },
    "linter": {
        "domains": {
            "react": "recommended"
        },
        "enabled": true,
        "rules": {
            "recommended": true,
            "style": {
                "noRestrictedImports": {
                    "level": "error",
                    "options": {
                        "paths": {
                            "@mui/icons-material": "No Barrel Import. Use `import [Icon] from '@mui/icons-material/[Icon]'` instead.",
                            "@mui/material": "No Barrel Import. Use `import [Component] from '@mui/material/[Component]'` instead."
                        }
                    }
                },
                "useFilenamingConvention": {
                    "level": "error",
                    "options": {
                        "filenameCases": ["kebab-case"]
                    }
                }
            }
        }
    },
    "vcs": {
        "clientKind": "git",
        "enabled": true,
        "useIgnoreFile": true
    }
}

3. .vscode/settings.json

{
    "editor.codeActionsOnSave": {
        "source.fixAll.biome": "explicit"
    }
}