railt / sdl

    /**

     * @return \Closure

     */

    private function dataFieldExtender(): \Closure

    {

        /** @var FieldDefinition|BaseField $field */

        return function (FieldDefinition $field): void {

            /** @var BaseField $this */

            // Extend type

            $this->type = $field->type;

            // Extend deprecation reason

            $this->deprecationReason = $field->deprecationReason ?: $this->deprecationReason;

            // Extend description

            $this->description = $field->description ?: $this->description;

            // NonNull overriding

            $this->isNonNull        = $field->isNonNull();

            $this->isListOfNonNulls = $field->isListOfNonNulls();

        };

    }

    /**

     * @param HasArguments|BaseArgumentsContainer|DirectiveInvocation $original

    /**

     * @return \Closure

     */

    private function dataArgumentExtender(): \Closure

    {

        /** @var ArgumentDefinition|BaseArgument $argument */

        return function (ArgumentDefinition $argument): void {

            /** @var BaseArgument $this */

            // Extend type

            $this->type = $argument->type;

            // Extend deprecation reason

            $this->deprecationReason = $argument->deprecationReason ?: $this->deprecationReason;

            // Extend description

            $this->description = $argument->description ?: $this->description;

            // NonNull overriding

            $this->isNonNull        = $argument->isNonNull();

            $this->isListOfNonNulls = $argument->isListOfNonNulls();

        };

    }

    /**

     * @param HasDirectives|BaseDirectivesContainer $original