nest-optional-validation-pipes
A NestJS addon that provides validation pipes for the simple data types with the option of optionality.
E.g. a ParseBoolOptionalPipe that validates & transforms @Query parameters that are then either true, false or undefined/null or throw an error.
optional-require
NodeJS Require that let you handle module not found error without try/catch
optional
Allows you to optionally include modules without surrounding everything with 'try/catch'
optional-js
Optionals for JS - wrapper for possibly undefined values, inspired by Java Optional API
require_optional
Allows you declare optionalPeerDependencies that can be satisfied by the top level module but ignored if they are not.