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feat: add support for argument definition directives #4

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Merged
compwright merged 1 commit into from
Feb 6, 2024
Merged

feat: add support for argument definition directives #4

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35 changes: 28 additions & 7 deletions src/DirectiveResolver.php
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Original file line number Diff line number Diff line change
Expand Up @@ -47,21 +47,42 @@ public function __construct($originalResolver = null)
*/
public function __invoke($root, array $args, $context, ResolveInfo $info)
{
// Execute ARGUMENT_DEFINITION directives pre-resolve
foreach ($info->fieldDefinition->args as $argDefinition) {
if (!$argDefinition->astNode) {
continue;
}
$argDirectives = $this->readDirectives($argDefinition->astNode);
foreach ($argDirectives as $directiveName => $directiveArgs) {
$argName = $argDefinition->name;
if (array_key_exists($directiveName, $this->handlers)) {
$directiveHandler = $this->handlers[$directiveName];
if (is_callable($directiveHandler)) {
/** @var NamedType&callable $directiveHandler */
$this->logger->debug('Executing @' . $directiveName . ' (' . get_class($directiveHandler) . ') on ' . $argName);
$args[$argName] = $directiveHandler($args[$argName], $directiveArgs, $context, $info);
} else {
$this->logger->error('Found @' . $directiveName . ' directive on ' . $argName . ' but handler is not callable');
}
} else {
$this->logger->warning('Found @' . $directiveName . ' directive on ' . $argName . ' but no handler is registered');
}
}
}

if (is_callable($this->originalResolver)) {
$root = ($this->originalResolver)($root, $args, $context, $info);
}

$directives = [];

// Execute FIELD_DEFINITION directives post-resolve
$fieldDirectives = [];
if ($info->fieldDefinition->astNode) {
$directives = array_merge($directives, $this->readDirectives($info->fieldDefinition->astNode));
$fieldDirectives = array_merge($fieldDirectives, $this->readDirectives($info->fieldDefinition->astNode));
}

if ($info->fieldNodes[0]) {
$directives = array_merge($directives, $this->readDirectives($info->fieldNodes[0]));
$fieldDirectives = array_merge($fieldDirectives, $this->readDirectives($info->fieldNodes[0]));
}

foreach ($directives as $directiveName => $directiveArgs) {
foreach ($fieldDirectives as $directiveName => $directiveArgs) {
if (array_key_exists($directiveName, $this->handlers)) {
$directiveHandler = $this->handlers[$directiveName];
if (is_callable($directiveHandler)) {
Expand Down