Function parseLogLevel

parseLogLevel(level: string | LogLevel): undefined | LogLevel
Parses a log level from either a string or LogLevel enum value.

When a string is provided, the parsing is case-insensitive.
Parameters
- level: string | LogLevel
  The log level as a string or LogLevel enum value.
Returns undefined | LogLevel
The corresponding LogLevel enum value, or undefined if invalid.
- Defined in lib/logger.ts:61