Function OptionalParam

pkg/github/params.go:180–194

OptionalParam is a helper function that can be used to fetch a requested parameter from the request. It does the following checks: 1. Checks if the parameter is present in the request, if not, it returns its zero-value 2. If it is present, it checks if the parameter is of the expected type and retur

(args map[string]any, p string)

// 1. Checks if the parameter is present in the request, if not, it returns its zero-value
// 2. If it is present, it checks if the parameter is of the expected type and returns it
func OptionalParam[T any](args map[string]any, p string) (T, error) {
	var zero T

	// Check if the parameter is present in the request
	if _, ok := args[p]; !ok {
		return zero, nil
	}

	// Check if the parameter is of the expected type
	if _, ok := args[p].(T); !ok {
		return zero, fmt.Errorf("parameter %s is not of type %T, is %T", p, zero, args[p])
	}

	return args[p].(T), nil
}

// OptionalIntParam is a helper function that can be used to fetch a requested parameter from the request.
// It does the following checks: