Parses a logging level name or exact numeric value.
Names are case-insensitive. WARNING maps to Level.WARN, and OFF maps to Level.NONE. Returns undefined for unsupported values.
WARNING
OFF
undefined
Optional
Parses a logging level name or exact numeric value.
Names are case-insensitive.
WARNINGmaps to Level.WARN, andOFFmaps to Level.NONE. Returnsundefinedfor unsupported values.