Digia\GraphQL\Execution\Strategy\SerialExecutionStrategy::executeFields()

Complexity

Conditions	3
Paths	1

Size

Total Lines	25
Code Lines	16

Duplication

Lines	0
Ratio	0 %

Importance

Changes

0

<?php
    public function executeFields(ObjectType $parentType, $rootValue, array $path, array $fields)
    {
        return promiseReduce(
            \array_keys($fields),
            function ($results, $fieldName) use ($parentType, $rootValue, $path, $fields) {
                $fieldNodes  = $fields[$fieldName];
                $fieldPath   = $path;
                $fieldPath[] = $fieldName;

                try {
                    $result = $this->resolveField($parentType, $rootValue, $fieldNodes, $fieldPath);
                } catch (UndefinedFieldException $exception) {
                    return null;
                }

                if ($result instanceof PromiseInterface) {
                    return $result->then(function ($resolvedResult) use ($fieldName, $results) {
                        $results[$fieldName] = $resolvedResult;
                        return $results;
                    });
                }

                $results[$fieldName] = $result;

                return $results;
            }