PURE invariant: DriverClass must be a non-empty, non-whitespace string. Returns the error, or null when valid. (A null/undefined value is left to the sync required-field validator.)
DriverClass
null
undefined
PURE invariant:
DriverClassmust be a non-empty, non-whitespace string. Returns the error, ornullwhen valid. (Anull/undefinedvalue is left to the sync required-field validator.)