Prettier Config Validator

Validate .prettierrc config files for correctness, deprecated options, conflicting overrides, and best practices. Supports JSON, YAML, TOML, and package.json#prettier field. JS configs are detected but not statically validated.

Commands

# Full lint (all rules)
python3 scripts/prettierrc_validator.py lint .prettierrc.json

# Check enum values, ranges, type conflicts only
python3 scripts/prettierrc_validator.py options .prettierrc.json

# Check deprecated/removed options only
python3 scripts/prettierrc_validator.py deprecated .prettierrc.json

# Validate 'overrides' array only
python3 scripts/prettierrc_validator.py overrides .prettierrc.json