Version 4.6.0

system/3rd_party/graphql-php/Language/AST/ArgumentNode.php

@@ -1,17 +1,17 @@
 <?php
+
+declare(strict_types=1);
+
 namespace GraphQL\Language\AST;
 
 class ArgumentNode extends Node
 {
+    /** @var string */
     public $kind = NodeKind::ARGUMENT;
 
-    /**
-     * @var ValueNode
-     */
+    /** @var VariableNode|NullValueNode|IntValueNode|FloatValueNode|StringValueNode|BooleanValueNode|EnumValueNode|ListValueNode|ObjectValueNode */
     public $value;
 
-    /**
-     * @var NameNode
-     */
+    /** @var NameNode */
     public $name;
 }

system/3rd_party/graphql-php/Language/AST/BooleanValueNode.php

@@ -1,13 +1,14 @@
 <?php
-namespace GraphQL\Language\AST;
 
+declare(strict_types=1);
+
+namespace GraphQL\Language\AST;
 
 class BooleanValueNode extends Node implements ValueNode
 {
+    /** @var string */
     public $kind = NodeKind::BOOLEAN;
 
-    /**
-     * @var string
-     */
+    /** @var bool */
     public $value;
 }

system/3rd_party/graphql-php/Language/AST/DefinitionNode.php

@@ -1,11 +1,14 @@
 <?php
+
+declare(strict_types=1);
+
 namespace GraphQL\Language\AST;
 
+/**
+ * export type DefinitionNode =
+ *   | ExecutableDefinitionNode
+ *   | TypeSystemDefinitionNode;
+ */
 interface DefinitionNode
 {
-/**
- * export type DefinitionNode = OperationDefinitionNode
- *                        | FragmentDefinitionNode
- *                        | TypeSystemDefinitionNode // experimental non-spec addition.
- */
 }

system/3rd_party/graphql-php/Language/AST/DirectiveDefinitionNode.php

@@ -1,25 +1,26 @@
 <?php
+
+declare(strict_types=1);
+
 namespace GraphQL\Language\AST;
 
 class DirectiveDefinitionNode extends Node implements TypeSystemDefinitionNode
 {
-    /**
-     * @var string
-     */
+    /** @var string */
     public $kind = NodeKind::DIRECTIVE_DEFINITION;
 
-    /**
-     * @var NameNode
-     */
+    /** @var NameNode */
     public $name;
 
-    /**
-     * @var ArgumentNode[]
-     */
+    /** @var StringValueNode|null */
+    public $description;
+
+    /** @var NodeList<InputValueDefinitionNode> */
     public $arguments;
 
-    /**
-     * @var NameNode[]
-     */
+    /** @var bool */
+    public $repeatable;
+
+    /** @var NodeList<NameNode> */
     public $locations;
 }

system/3rd_party/graphql-php/Language/AST/DirectiveNode.php

@@ -1,17 +1,17 @@
 <?php
+
+declare(strict_types=1);
+
 namespace GraphQL\Language\AST;
 
 class DirectiveNode extends Node
 {
+    /** @var string */
     public $kind = NodeKind::DIRECTIVE;
 
-    /**
-     * @var NameNode
-     */
+    /** @var NameNode */
     public $name;
 
-    /**
-     * @var ArgumentNode[]
-     */
+    /** @var NodeList<ArgumentNode> */
     public $arguments;
 }

system/3rd_party/graphql-php/Language/AST/DocumentNode.php

@@ -1,12 +1,14 @@
 <?php
+
+declare(strict_types=1);
+
 namespace GraphQL\Language\AST;
 
 class DocumentNode extends Node
 {
+    /** @var string */
     public $kind = NodeKind::DOCUMENT;
 
-    /**
-     * @var DefinitionNode[]
-     */
+    /** @var NodeList<DefinitionNode&Node> */
     public $definitions;
 }

system/3rd_party/graphql-php/Language/AST/EnumTypeDefinitionNode.php

@@ -1,30 +1,23 @@
 <?php
+
+declare(strict_types=1);
+
 namespace GraphQL\Language\AST;
 
 class EnumTypeDefinitionNode extends Node implements TypeDefinitionNode
 {
-    /**
-     * @var string
-     */
+    /** @var string */
     public $kind = NodeKind::ENUM_TYPE_DEFINITION;
 
-    /**
-     * @var NameNode
-     */
+    /** @var NameNode */
     public $name;
 
-    /**
-     * @var DirectiveNode[]
-     */
+    /** @var NodeList<DirectiveNode> */
     public $directives;
 
-    /**
-     * @var EnumValueDefinitionNode[]
-     */
+    /** @var NodeList<EnumValueDefinitionNode> */
     public $values;
 
-    /**
-     * @var string
-     */
+    /** @var StringValueNode|null */
     public $description;
 }

system/3rd_party/graphql-php/Language/AST/EnumTypeExtensionNode.php

@@ -0,0 +1,20 @@
+<?php
+
+declare(strict_types=1);
+
+namespace GraphQL\Language\AST;
+
+class EnumTypeExtensionNode extends Node implements TypeExtensionNode
+{
+    /** @var string */
+    public $kind = NodeKind::ENUM_TYPE_EXTENSION;
+
+    /** @var NameNode */
+    public $name;
+
+    /** @var NodeList<DirectiveNode> */
+    public $directives;
+
+    /** @var NodeList<EnumValueDefinitionNode> */
+    public $values;
+}

system/3rd_party/graphql-php/Language/AST/EnumValueDefinitionNode.php

@@ -1,25 +1,20 @@
 <?php
+
+declare(strict_types=1);
+
 namespace GraphQL\Language\AST;
 
 class EnumValueDefinitionNode extends Node
 {
-    /**
-     * @var string
-     */
+    /** @var string */
     public $kind = NodeKind::ENUM_VALUE_DEFINITION;
 
-    /**
-     * @var NameNode
-     */
+    /** @var NameNode */
     public $name;
 
-    /**
-     * @var DirectiveNode[]
-     */
+    /** @var NodeList<DirectiveNode> */
     public $directives;
 
-    /**
-     * @var string
-     */
+    /** @var StringValueNode|null */
     public $description;
 }

system/3rd_party/graphql-php/Language/AST/EnumValueNode.php

@@ -1,12 +1,14 @@
 <?php
+
+declare(strict_types=1);
+
 namespace GraphQL\Language\AST;
 
 class EnumValueNode extends Node implements ValueNode
 {
+    /** @var string */
     public $kind = NodeKind::ENUM;
 
-    /**
-     * @var string
-     */
+    /** @var string */
     public $value;
 }

system/3rd_party/graphql-php/Language/AST/ExecutableDefinitionNode.php

@@ -0,0 +1,14 @@
+<?php
+
+declare(strict_types=1);
+
+namespace GraphQL\Language\AST;
+
+/**
+ * export type ExecutableDefinitionNode =
+ *   | OperationDefinitionNode
+ *   | FragmentDefinitionNode;
+ */
+interface ExecutableDefinitionNode extends DefinitionNode
+{
+}

system/3rd_party/graphql-php/Language/AST/FieldDefinitionNode.php

@@ -1,35 +1,26 @@
 <?php
+
+declare(strict_types=1);
+
 namespace GraphQL\Language\AST;
 
 class FieldDefinitionNode extends Node
 {
-    /**
-     * @var string
-     */
+    /** @var string */
     public $kind = NodeKind::FIELD_DEFINITION;
 
-    /**
-     * @var NameNode
-     */
+    /** @var NameNode */
     public $name;
 
-    /**
-     * @var InputValueDefinitionNode[]
-     */
+    /** @var NodeList<InputValueDefinitionNode> */
     public $arguments;
 
-    /**
-     * @var TypeNode
-     */
+    /** @var NamedTypeNode|ListTypeNode|NonNullTypeNode */
     public $type;
 
-    /**
-     * @var DirectiveNode[]
-     */
+    /** @var NodeList<DirectiveNode> */
     public $directives;
 
-    /**
-     * @var string
-     */
+    /** @var StringValueNode|null */
     public $description;
 }

system/3rd_party/graphql-php/Language/AST/FieldNode.php

@@ -1,32 +1,26 @@
 <?php
+
+declare(strict_types=1);
+
 namespace GraphQL\Language\AST;
 
 class FieldNode extends Node implements SelectionNode
 {
+    /** @var string */
     public $kind = NodeKind::FIELD;
 
-    /**
-     * @var NameNode
-     */
+    /** @var NameNode */
     public $name;
 
-    /**
-     * @var NameNode|null
-     */
+    /** @var NameNode|null */
     public $alias;
 
-    /**
-     * @var ArgumentNode[]|null
-     */
+    /** @var NodeList<ArgumentNode> */
     public $arguments;
 
-    /**
-     * @var DirectiveNode[]|null
-     */
+    /** @var NodeList<DirectiveNode> */
     public $directives;
 
-    /**
-     * @var SelectionSetNode|null
-     */
+    /** @var SelectionSetNode|null */
     public $selectionSet;
 }

system/3rd_party/graphql-php/Language/AST/FloatValueNode.php

@@ -1,12 +1,14 @@
 <?php
+
+declare(strict_types=1);
+
 namespace GraphQL\Language\AST;
 
 class FloatValueNode extends Node implements ValueNode
 {
+    /** @var string */
     public $kind = NodeKind::FLOAT;
 
-    /**
-     * @var string
-     */
+    /** @var string */
     public $value;
 }

system/3rd_party/graphql-php/Language/AST/FragmentDefinitionNode.php

@@ -1,27 +1,31 @@
 <?php
+
+declare(strict_types=1);
+
 namespace GraphQL\Language\AST;
 
-class FragmentDefinitionNode extends Node implements DefinitionNode, HasSelectionSet
+class FragmentDefinitionNode extends Node implements ExecutableDefinitionNode, HasSelectionSet
 {
+    /** @var string */
     public $kind = NodeKind::FRAGMENT_DEFINITION;
 
-    /**
-     * @var NameNode
-     */
+    /** @var NameNode */
     public $name;
 
     /**
-     * @var NamedTypeNode
+     * Note: fragment variable definitions are experimental and may be changed
+     * or removed in the future.
+     *
+     * @var NodeList<VariableDefinitionNode>
      */
+    public $variableDefinitions;
+
+    /** @var NamedTypeNode */
     public $typeCondition;
 
-    /**
-     * @var DirectiveNode[]
-     */
+    /** @var NodeList<DirectiveNode> */
     public $directives;
 
-    /**
-     * @var SelectionSetNode
-     */
+    /** @var SelectionSetNode */
     public $selectionSet;
 }

system/3rd_party/graphql-php/Language/AST/FragmentSpreadNode.php

@@ -1,17 +1,17 @@
 <?php
+
+declare(strict_types=1);
+
 namespace GraphQL\Language\AST;
 
 class FragmentSpreadNode extends Node implements SelectionNode
 {
+    /** @var string */
     public $kind = NodeKind::FRAGMENT_SPREAD;
 
-    /**
-     * @var NameNode
-     */
+    /** @var NameNode */
     public $name;
 
-    /**
-     * @var DirectiveNode[]
-     */
+    /** @var NodeList<DirectiveNode> */
     public $directives;
 }

system/3rd_party/graphql-php/Language/AST/HasSelectionSet.php

@@ -1,10 +1,15 @@
 <?php
+
+declare(strict_types=1);
+
 namespace GraphQL\Language\AST;
 
+/**
+ * export type DefinitionNode = OperationDefinitionNode
+ *                        | FragmentDefinitionNode
+ *
+ * @property SelectionSetNode $selectionSet
+ */
 interface HasSelectionSet
 {
-    /**
-     * export type DefinitionNode = OperationDefinitionNode
-     *                        | FragmentDefinitionNode
-     */
 }

system/3rd_party/graphql-php/Language/AST/InlineFragmentNode.php

@@ -1,22 +1,20 @@
 <?php
+
+declare(strict_types=1);
+
 namespace GraphQL\Language\AST;
 
 class InlineFragmentNode extends Node implements SelectionNode
 {
+    /** @var string */
     public $kind = NodeKind::INLINE_FRAGMENT;
 
-    /**
-     * @var NamedTypeNode
-     */
+    /** @var NamedTypeNode */
     public $typeCondition;
 
-    /**
-     * @var DirectiveNode[]|null
-     */
+    /** @var NodeList<DirectiveNode> */
     public $directives;
 
-    /**
-     * @var SelectionSetNode
-     */
+    /** @var SelectionSetNode */
     public $selectionSet;
 }

system/3rd_party/graphql-php/Language/AST/InputObjectTypeDefinitionNode.php

@@ -1,30 +1,23 @@
 <?php
+
+declare(strict_types=1);
+
 namespace GraphQL\Language\AST;
 
 class InputObjectTypeDefinitionNode extends Node implements TypeDefinitionNode
 {
-    /**
-     * @var string
-     */
+    /** @var string */
     public $kind = NodeKind::INPUT_OBJECT_TYPE_DEFINITION;
 
-    /**
-     * @var NameNode
-     */
+    /** @var NameNode */
     public $name;
 
-    /**
-     * @var DirectiveNode[]
-     */
+    /** @var NodeList<DirectiveNode> */
     public $directives;
 
-    /**
-     * @var InputValueDefinitionNode[]
-     */
+    /** @var NodeList<InputValueDefinitionNode> */
     public $fields;
 
-    /**
-     * @var string
-     */
+    /** @var StringValueNode|null */
     public $description;
 }

system/3rd_party/graphql-php/Language/AST/InputObjectTypeExtensionNode.php

@@ -0,0 +1,20 @@
+<?php
+
+declare(strict_types=1);
+
+namespace GraphQL\Language\AST;
+
+class InputObjectTypeExtensionNode extends Node implements TypeExtensionNode
+{
+    /** @var string */
+    public $kind = NodeKind::INPUT_OBJECT_TYPE_EXTENSION;
+
+    /** @var NameNode */
+    public $name;
+
+    /** @var NodeList<DirectiveNode> */
+    public $directives;
+
+    /** @var NodeList<InputValueDefinitionNode> */
+    public $fields;
+}

system/3rd_party/graphql-php/Language/AST/InputValueDefinitionNode.php

@@ -1,35 +1,26 @@
 <?php
+
+declare(strict_types=1);
+
 namespace GraphQL\Language\AST;
 
 class InputValueDefinitionNode extends Node
 {
-    /**
-     * @var string
-     */
+    /** @var string */
     public $kind = NodeKind::INPUT_VALUE_DEFINITION;
 
-    /**
-     * @var NameNode
-     */
+    /** @var NameNode */
     public $name;
 
-    /**
-     * @var TypeNode
-     */
+    /** @var NamedTypeNode|ListTypeNode|NonNullTypeNode */
     public $type;
 
-    /**
-     * @var ValueNode
-     */
+    /** @var VariableNode|NullValueNode|IntValueNode|FloatValueNode|StringValueNode|BooleanValueNode|EnumValueNode|ListValueNode|ObjectValueNode|null */
     public $defaultValue;
 
-    /**
-     * @var DirectiveNode[]
-     */
+    /** @var NodeList<DirectiveNode> */
     public $directives;
 
-    /**
-     * @var string
-     */
+    /** @var StringValueNode|null */
     public $description;
 }

system/3rd_party/graphql-php/Language/AST/IntValueNode.php

@@ -1,12 +1,14 @@
 <?php
+
+declare(strict_types=1);
+
 namespace GraphQL\Language\AST;
 
 class IntValueNode extends Node implements ValueNode
 {
+    /** @var string */
     public $kind = NodeKind::INT;
 
-    /**
-     * @var string
-     */
+    /** @var string */
     public $value;
 }

system/3rd_party/graphql-php/Language/AST/InterfaceTypeDefinitionNode.php

@@ -1,30 +1,26 @@
 <?php
+
+declare(strict_types=1);
+
 namespace GraphQL\Language\AST;
 
 class InterfaceTypeDefinitionNode extends Node implements TypeDefinitionNode
 {
-    /**
-     * @var string
-     */
+    /** @var string */
     public $kind = NodeKind::INTERFACE_TYPE_DEFINITION;
 
-    /**
-     * @var NameNode
-     */
+    /** @var NameNode */
     public $name;
 
-    /**
-     * @var DirectiveNode[]
-     */
+    /** @var NodeList<DirectiveNode> */
     public $directives;
 
-    /**
-     * @var FieldDefinitionNode[]
-     */
-    public $fields = [];
+    /** @var NodeList<NamedTypeNode> */
+    public $interfaces;
 
-    /**
-     * @var string
-     */
+    /** @var NodeList<FieldDefinitionNode> */
+    public $fields;
+
+    /** @var StringValueNode|null */
     public $description;
 }

system/3rd_party/graphql-php/Language/AST/InterfaceTypeExtensionNode.php

@@ -0,0 +1,23 @@
+<?php
+
+declare(strict_types=1);
+
+namespace GraphQL\Language\AST;
+
+class InterfaceTypeExtensionNode extends Node implements TypeExtensionNode
+{
+    /** @var string */
+    public $kind = NodeKind::INTERFACE_TYPE_EXTENSION;
+
+    /** @var NameNode */
+    public $name;
+
+    /** @var NodeList<DirectiveNode> */
+    public $directives;
+
+    /** @var NodeList<InterfaceTypeDefinitionNode> */
+    public $interfaces;
+
+    /** @var NodeList<FieldDefinitionNode> */
+    public $fields;
+}

system/3rd_party/graphql-php/Language/AST/ListTypeNode.php

@@ -1,12 +1,14 @@
 <?php
+
+declare(strict_types=1);
+
 namespace GraphQL\Language\AST;
 
 class ListTypeNode extends Node implements TypeNode
 {
+    /** @var string */
     public $kind = NodeKind::LIST_TYPE;
 
-    /**
-     * @var Node
-     */
+    /** @var NamedTypeNode|ListTypeNode|NonNullTypeNode */
     public $type;
 }

system/3rd_party/graphql-php/Language/AST/ListValueNode.php

@@ -1,13 +1,14 @@
 <?php
 
+declare(strict_types=1);
+
 namespace GraphQL\Language\AST;
 
 class ListValueNode extends Node implements ValueNode
 {
+    /** @var string */
     public $kind = NodeKind::LST;
 
-    /**
-     * @var ValueNode[]
-     */
+    /** @var NodeList<ValueNode&Node> */
     public $values;
 }

system/3rd_party/graphql-php/Language/AST/Location.php

@@ -1,4 +1,7 @@
 <?php
+
+declare(strict_types=1);
+
 namespace GraphQL\Language\AST;
 
 use GraphQL\Language\Source;
@@ -27,14 +30,14 @@ class Location
     /**
      * The Token at which this Node begins.
      *
-     * @var Token
+     * @var Token|null
      */
     public $startToken;
 
     /**
      * The Token at which this Node ends.
      *
-     * @var Token
+     * @var Token|null
      */
     public $endToken;
 
@@ -46,27 +49,31 @@ class Location
     public $source;
 
     /**
-     * @param $start
-     * @param $end
+     * @param int $start
+     * @param int $end
+     *
      * @return static
      */
     public static function create($start, $end)
     {
-        $tmp = new static();
+        $tmp        = new static();
         $tmp->start = $start;
-        $tmp->end = $end;
+        $tmp->end   = $end;
+
         return $tmp;
     }
 
-    public function __construct(Token $startToken = null, Token $endToken = null, Source $source = null)
+    public function __construct(?Token $startToken = null, ?Token $endToken = null, ?Source $source = null)
     {
         $this->startToken = $startToken;
-        $this->endToken = $endToken;
-        $this->source = $source;
+        $this->endToken   = $endToken;
+        $this->source     = $source;
 
-        if ($startToken && $endToken) {
-            $this->start = $startToken->start;
-            $this->end = $endToken->end;
+        if ($startToken === null || $endToken === null) {
+            return;
         }
+
+        $this->start = $startToken->start;
+        $this->end   = $endToken->end;
     }
 }

system/3rd_party/graphql-php/Language/AST/NameNode.php

@@ -1,12 +1,14 @@
 <?php
+
+declare(strict_types=1);
+
 namespace GraphQL\Language\AST;
 
 class NameNode extends Node implements TypeNode
 {
+    /** @var string */
     public $kind = NodeKind::NAME;
 
-    /**
-     * @var string
-     */
+    /** @var string */
     public $value;
 }

system/3rd_party/graphql-php/Language/AST/NamedTypeNode.php

@@ -1,12 +1,14 @@
 <?php
+
+declare(strict_types=1);
+
 namespace GraphQL\Language\AST;
 
 class NamedTypeNode extends Node implements TypeNode
 {
+    /** @var string */
     public $kind = NodeKind::NAMED_TYPE;
 
-    /**
-     * @var NameNode
-     */
+    /** @var NameNode */
     public $name;
 }

system/3rd_party/graphql-php/Language/AST/Node.php

@@ -1,55 +1,62 @@
 <?php
+
+declare(strict_types=1);
+
 namespace GraphQL\Language\AST;
 
-use GraphQL\Error\InvariantViolation;
 use GraphQL\Utils\Utils;
+use function count;
+use function get_object_vars;
+use function is_array;
+use function is_scalar;
+use function json_encode;
 
+/**
+ * type Node = NameNode
+ * | DocumentNode
+ * | OperationDefinitionNode
+ * | VariableDefinitionNode
+ * | VariableNode
+ * | SelectionSetNode
+ * | FieldNode
+ * | ArgumentNode
+ * | FragmentSpreadNode
+ * | InlineFragmentNode
+ * | FragmentDefinitionNode
+ * | IntValueNode
+ * | FloatValueNode
+ * | StringValueNode
+ * | BooleanValueNode
+ * | EnumValueNode
+ * | ListValueNode
+ * | ObjectValueNode
+ * | ObjectFieldNode
+ * | DirectiveNode
+ * | ListTypeNode
+ * | NonNullTypeNode
+ */
 abstract class Node
 {
-    /**
-      type Node = NameNode
-    | DocumentNode
-    | OperationDefinitionNode
-    | VariableDefinitionNode
-    | VariableNode
-    | SelectionSetNode
-    | FieldNode
-    | ArgumentNode
-    | FragmentSpreadNode
-    | InlineFragmentNode
-    | FragmentDefinitionNode
-    | IntValueNode
-    | FloatValueNode
-    | StringValueNode
-    | BooleanValueNode
-    | EnumValueNode
-    | ListValueNode
-    | ObjectValueNode
-    | ObjectFieldNode
-    | DirectiveNode
-    | ListTypeNode
-    | NonNullTypeNode
-     */
+    /** @var Location|null */
+    public $loc;
 
+    /** @var string */
     public $kind;
 
     /**
-     * @var Location
-     */
-    public $loc;
-
-    /**
-     * @param array $vars
+     * @param (NameNode|NodeList|SelectionSetNode|Location|string|int|bool|float|null)[] $vars
      */
     public function __construct(array $vars)
     {
-        if (!empty($vars)) {
-            Utils::assign($this, $vars);
+        if (count($vars) === 0) {
+            return;
         }
+
+        Utils::assign($this, $vars);
     }
 
     /**
-     * @return $this
+     * @return self
      */
     public function cloneDeep()
     {
@@ -57,8 +64,9 @@ abstract class Node
     }
 
     /**
-     * @param $value
-     * @return array|Node
+     * @param string|NodeList|Location|Node|(Node|NodeList|Location)[] $value
+     *
+     * @return string|NodeList|Location|Node
      */
     private function cloneValue($value)
     {
@@ -67,7 +75,7 @@ abstract class Node
             foreach ($value as $key => $arrValue) {
                 $cloned[$key] = $this->cloneValue($arrValue);
             }
-        } else if ($value instanceof Node) {
+        } elseif ($value instanceof self) {
             $cloned = clone $value;
             foreach (get_object_vars($cloned) as $prop => $propValue) {
                 $cloned->{$prop} = $this->cloneValue($propValue);
@@ -79,61 +87,67 @@ abstract class Node
         return $cloned;
     }
 
-    /**
-     * @return string
-     */
-    public function __toString()
+    public function __toString() : string
     {
         $tmp = $this->toArray(true);
-        return json_encode($tmp);
+
+        return (string) json_encode($tmp);
     }
 
     /**
-     * @param bool $recursive
-     * @return array
+     * @return mixed[]
      */
-    public function toArray($recursive = false)
+    public function toArray(bool $recursive = false) : array
     {
         if ($recursive) {
             return $this->recursiveToArray($this);
-        } else {
-            $tmp = (array) $this;
+        }
 
+        $tmp = (array) $this;
+
+        if ($this->loc !== null) {
             $tmp['loc'] = [
                 'start' => $this->loc->start,
-                'end' => $this->loc->end
+                'end'   => $this->loc->end,
             ];
-
-            return $tmp;
         }
+
+        return $tmp;
     }
 
     /**
-     * @param Node $node
-     * @return array
+     * @return mixed[]
      */
     private function recursiveToArray(Node $node)
     {
         $result = [
             'kind' => $node->kind,
-            'loc' => [
-                'start' => $node->loc->start,
-                'end' => $node->loc->end
-            ]
         ];
 
+        if ($node->loc !== null) {
+            $result['loc'] = [
+                'start' => $node->loc->start,
+                'end'   => $node->loc->end,
+            ];
+        }
+
         foreach (get_object_vars($node) as $prop => $propValue) {
-            if (isset($result[$prop]))
+            if (isset($result[$prop])) {
                 continue;
+            }
+
+            if ($propValue === null) {
+                continue;
+            }
 
             if (is_array($propValue) || $propValue instanceof NodeList) {
                 $tmp = [];
                 foreach ($propValue as $tmp1) {
                     $tmp[] = $tmp1 instanceof Node ? $this->recursiveToArray($tmp1) : (array) $tmp1;
                 }
-            } else if ($propValue instanceof Node) {
+            } elseif ($propValue instanceof Node) {
                 $tmp = $this->recursiveToArray($propValue);
-            } else if (is_scalar($propValue) || null === $propValue) {
+            } elseif (is_scalar($propValue) || $propValue === null) {
                 $tmp = $propValue;
             } else {
                 $tmp = null;
@@ -141,6 +155,7 @@ abstract class Node
 
             $result[$prop] = $tmp;
         }
+
         return $result;
     }
 }

system/3rd_party/graphql-php/Language/AST/NodeKind.php

@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace GraphQL\Language\AST;
 
 class NodeKind
@@ -7,129 +9,130 @@ class NodeKind
     // constants from language/kinds.js:
 
     const NAME = 'Name';
-
     // Document
 
-    const DOCUMENT = 'Document';
+    const DOCUMENT             = 'Document';
     const OPERATION_DEFINITION = 'OperationDefinition';
-    const VARIABLE_DEFINITION = 'VariableDefinition';
-    const VARIABLE = 'Variable';
-    const SELECTION_SET = 'SelectionSet';
-    const FIELD = 'Field';
-    const ARGUMENT = 'Argument';
-
+    const VARIABLE_DEFINITION  = 'VariableDefinition';
+    const VARIABLE             = 'Variable';
+    const SELECTION_SET        = 'SelectionSet';
+    const FIELD                = 'Field';
+    const ARGUMENT             = 'Argument';
     // Fragments
 
-    const FRAGMENT_SPREAD = 'FragmentSpread';
-    const INLINE_FRAGMENT = 'InlineFragment';
+    const FRAGMENT_SPREAD     = 'FragmentSpread';
+    const INLINE_FRAGMENT     = 'InlineFragment';
     const FRAGMENT_DEFINITION = 'FragmentDefinition';
-
     // Values
 
-    const INT = 'IntValue';
-    const FLOAT = 'FloatValue';
-    const STRING = 'StringValue';
-    const BOOLEAN = 'BooleanValue';
-    const ENUM = 'EnumValue';
-    const NULL = 'NullValue';
-    const LST = 'ListValue';
-    const OBJECT = 'ObjectValue';
+    const INT          = 'IntValue';
+    const FLOAT        = 'FloatValue';
+    const STRING       = 'StringValue';
+    const BOOLEAN      = 'BooleanValue';
+    const ENUM         = 'EnumValue';
+    const NULL         = 'NullValue';
+    const LST          = 'ListValue';
+    const OBJECT       = 'ObjectValue';
     const OBJECT_FIELD = 'ObjectField';
-
     // Directives
 
     const DIRECTIVE = 'Directive';
-
     // Types
 
-    const NAMED_TYPE = 'NamedType';
-    const LIST_TYPE = 'ListType';
+    const NAMED_TYPE    = 'NamedType';
+    const LIST_TYPE     = 'ListType';
     const NON_NULL_TYPE = 'NonNullType';
-
     // Type System Definitions
 
-    const SCHEMA_DEFINITION = 'SchemaDefinition';
+    const SCHEMA_DEFINITION         = 'SchemaDefinition';
     const OPERATION_TYPE_DEFINITION = 'OperationTypeDefinition';
-
     // Type Definitions
 
-    const SCALAR_TYPE_DEFINITION = 'ScalarTypeDefinition';
-    const OBJECT_TYPE_DEFINITION = 'ObjectTypeDefinition';
-    const FIELD_DEFINITION = 'FieldDefinition';
-    const INPUT_VALUE_DEFINITION = 'InputValueDefinition';
-    const INTERFACE_TYPE_DEFINITION = 'InterfaceTypeDefinition';
-    const UNION_TYPE_DEFINITION = 'UnionTypeDefinition';
-    const ENUM_TYPE_DEFINITION = 'EnumTypeDefinition';
-    const ENUM_VALUE_DEFINITION = 'EnumValueDefinition';
+    const SCALAR_TYPE_DEFINITION       = 'ScalarTypeDefinition';
+    const OBJECT_TYPE_DEFINITION       = 'ObjectTypeDefinition';
+    const FIELD_DEFINITION             = 'FieldDefinition';
+    const INPUT_VALUE_DEFINITION       = 'InputValueDefinition';
+    const INTERFACE_TYPE_DEFINITION    = 'InterfaceTypeDefinition';
+    const UNION_TYPE_DEFINITION        = 'UnionTypeDefinition';
+    const ENUM_TYPE_DEFINITION         = 'EnumTypeDefinition';
+    const ENUM_VALUE_DEFINITION        = 'EnumValueDefinition';
     const INPUT_OBJECT_TYPE_DEFINITION = 'InputObjectTypeDefinition';
-
     // Type Extensions
 
-    const TYPE_EXTENSION_DEFINITION = 'TypeExtensionDefinition';
-
+    const SCALAR_TYPE_EXTENSION       = 'ScalarTypeExtension';
+    const OBJECT_TYPE_EXTENSION       = 'ObjectTypeExtension';
+    const INTERFACE_TYPE_EXTENSION    = 'InterfaceTypeExtension';
+    const UNION_TYPE_EXTENSION        = 'UnionTypeExtension';
+    const ENUM_TYPE_EXTENSION         = 'EnumTypeExtension';
+    const INPUT_OBJECT_TYPE_EXTENSION = 'InputObjectTypeExtension';
     // Directive Definitions
 
     const DIRECTIVE_DEFINITION = 'DirectiveDefinition';
 
-    /**
-     * @todo conver to const array when moving to PHP5.6
-     * @var array
-     */
+    // Type System Extensions
+    const SCHEMA_EXTENSION = 'SchemaExtension';
+
+    /** @var string[] */
     public static $classMap = [
-        NodeKind::NAME => NameNode::class,
+        self::NAME                         => NameNode::class,
 
         // Document
-        NodeKind::DOCUMENT => DocumentNode::class,
-        NodeKind::OPERATION_DEFINITION => OperationDefinitionNode::class,
-        NodeKind::VARIABLE_DEFINITION => VariableDefinitionNode::class,
-        NodeKind::VARIABLE => VariableNode::class,
-        NodeKind::SELECTION_SET => SelectionSetNode::class,
-        NodeKind::FIELD => FieldNode::class,
-        NodeKind::ARGUMENT => ArgumentNode::class,
+        self::DOCUMENT                     => DocumentNode::class,
+        self::OPERATION_DEFINITION         => OperationDefinitionNode::class,
+        self::VARIABLE_DEFINITION          => VariableDefinitionNode::class,
+        self::VARIABLE                     => VariableNode::class,
+        self::SELECTION_SET                => SelectionSetNode::class,
+        self::FIELD                        => FieldNode::class,
+        self::ARGUMENT                     => ArgumentNode::class,
 
         // Fragments
-        NodeKind::FRAGMENT_SPREAD => FragmentSpreadNode::class,
-        NodeKind::INLINE_FRAGMENT => InlineFragmentNode::class,
-        NodeKind::FRAGMENT_DEFINITION => FragmentDefinitionNode::class,
+        self::FRAGMENT_SPREAD              => FragmentSpreadNode::class,
+        self::INLINE_FRAGMENT              => InlineFragmentNode::class,
+        self::FRAGMENT_DEFINITION          => FragmentDefinitionNode::class,
 
         // Values
-        NodeKind::INT => IntValueNode::class,
-        NodeKind::FLOAT => FloatValueNode::class,
-        NodeKind::STRING => StringValueNode::class,
-        NodeKind::BOOLEAN => BooleanValueNode::class,
-        NodeKind::ENUM => EnumValueNode::class,
-        NodeKind::NULL => NullValueNode::class,
-        NodeKind::LST => ListValueNode::class,
-        NodeKind::OBJECT => ObjectValueNode::class,
-        NodeKind::OBJECT_FIELD => ObjectFieldNode::class,
+        self::INT                          => IntValueNode::class,
+        self::FLOAT                        => FloatValueNode::class,
+        self::STRING                       => StringValueNode::class,
+        self::BOOLEAN                      => BooleanValueNode::class,
+        self::ENUM                         => EnumValueNode::class,
+        self::NULL                         => NullValueNode::class,
+        self::LST                          => ListValueNode::class,
+        self::OBJECT                       => ObjectValueNode::class,
+        self::OBJECT_FIELD                 => ObjectFieldNode::class,
 
         // Directives
-        NodeKind::DIRECTIVE => DirectiveNode::class,
+        self::DIRECTIVE                    => DirectiveNode::class,
 
         // Types
-        NodeKind::NAMED_TYPE => NamedTypeNode::class,
-        NodeKind::LIST_TYPE => ListTypeNode::class,
-        NodeKind::NON_NULL_TYPE => NonNullTypeNode::class,
+        self::NAMED_TYPE                   => NamedTypeNode::class,
+        self::LIST_TYPE                    => ListTypeNode::class,
+        self::NON_NULL_TYPE                => NonNullTypeNode::class,
 
         // Type System Definitions
-        NodeKind::SCHEMA_DEFINITION => SchemaDefinitionNode::class,
-        NodeKind::OPERATION_TYPE_DEFINITION => OperationTypeDefinitionNode::class,
+        self::SCHEMA_DEFINITION            => SchemaDefinitionNode::class,
+        self::OPERATION_TYPE_DEFINITION    => OperationTypeDefinitionNode::class,
 
         // Type Definitions
-        NodeKind::SCALAR_TYPE_DEFINITION => ScalarTypeDefinitionNode::class,
-        NodeKind::OBJECT_TYPE_DEFINITION => ObjectTypeDefinitionNode::class,
-        NodeKind::FIELD_DEFINITION => FieldDefinitionNode::class,
-        NodeKind::INPUT_VALUE_DEFINITION => InputValueDefinitionNode::class,
-        NodeKind::INTERFACE_TYPE_DEFINITION => InterfaceTypeDefinitionNode::class,
-        NodeKind::UNION_TYPE_DEFINITION => UnionTypeDefinitionNode::class,
-        NodeKind::ENUM_TYPE_DEFINITION => EnumTypeDefinitionNode::class,
-        NodeKind::ENUM_VALUE_DEFINITION => EnumValueDefinitionNode::class,
-        NodeKind::INPUT_OBJECT_TYPE_DEFINITION =>InputObjectTypeDefinitionNode::class,
+        self::SCALAR_TYPE_DEFINITION       => ScalarTypeDefinitionNode::class,
+        self::OBJECT_TYPE_DEFINITION       => ObjectTypeDefinitionNode::class,
+        self::FIELD_DEFINITION             => FieldDefinitionNode::class,
+        self::INPUT_VALUE_DEFINITION       => InputValueDefinitionNode::class,
+        self::INTERFACE_TYPE_DEFINITION    => InterfaceTypeDefinitionNode::class,
+        self::UNION_TYPE_DEFINITION        => UnionTypeDefinitionNode::class,
+        self::ENUM_TYPE_DEFINITION         => EnumTypeDefinitionNode::class,
+        self::ENUM_VALUE_DEFINITION        => EnumValueDefinitionNode::class,
+        self::INPUT_OBJECT_TYPE_DEFINITION => InputObjectTypeDefinitionNode::class,
 
         // Type Extensions
-        NodeKind::TYPE_EXTENSION_DEFINITION => TypeExtensionDefinitionNode::class,
+        self::SCALAR_TYPE_EXTENSION        => ScalarTypeExtensionNode::class,
+        self::OBJECT_TYPE_EXTENSION        => ObjectTypeExtensionNode::class,
+        self::INTERFACE_TYPE_EXTENSION     => InterfaceTypeExtensionNode::class,
+        self::UNION_TYPE_EXTENSION         => UnionTypeExtensionNode::class,
+        self::ENUM_TYPE_EXTENSION          => EnumTypeExtensionNode::class,
+        self::INPUT_OBJECT_TYPE_EXTENSION  => InputObjectTypeExtensionNode::class,
 
         // Directive Definitions
-        NodeKind::DIRECTIVE_DEFINITION => DirectiveDefinitionNode::class
+        self::DIRECTIVE_DEFINITION         => DirectiveDefinitionNode::class,
     ];
 }

system/3rd_party/graphql-php/Language/AST/NodeList.php

@@ -1,32 +1,48 @@
 <?php
+
+declare(strict_types=1);
+
 namespace GraphQL\Language\AST;
 
+use ArrayAccess;
+use Countable;
 use GraphQL\Utils\AST;
+use InvalidArgumentException;
+use IteratorAggregate;
+use Traversable;
+use function array_merge;
+use function array_splice;
+use function count;
+use function is_array;
 
 /**
- * Class NodeList
- *
- * @package GraphQL\Utils
+ * @template T of Node
+ * @phpstan-implements ArrayAccess<int|string, T>
+ * @phpstan-implements IteratorAggregate<T>
  */
-class NodeList implements \ArrayAccess, \IteratorAggregate, \Countable
+class NodeList implements ArrayAccess, IteratorAggregate, Countable
 {
     /**
-     * @var array
+     * @var Node[]
+     * @phpstan-var array<T>
      */
     private $nodes;
 
     /**
-     * @param array $nodes
-     * @return static
+     * @param Node[] $nodes
+     *
+     * @phpstan-param array<T> $nodes
+     * @phpstan-return self<T>
      */
-    public static function create(array $nodes)
+    public static function create(array $nodes) : self
     {
         return new static($nodes);
     }
 
     /**
-     * NodeList constructor.
-     * @param array $nodes
+     * @param Node[] $nodes
+     *
+     * @phpstan-param array<T> $nodes
      */
     public function __construct(array $nodes)
     {
@@ -34,87 +50,102 @@ class NodeList implements \ArrayAccess, \IteratorAggregate, \Countable
     }
 
     /**
-     * @param mixed $offset
-     * @return bool
+     * @param int|string $offset
      */
-    public function offsetExists($offset)
+    public function offsetExists($offset) : bool
     {
         return isset($this->nodes[$offset]);
     }
 
     /**
-     * @param mixed $offset
-     * @return mixed
+     * TODO enable strict typing by changing how the Visitor deals with NodeList.
+     * Ideally, this function should always return a Node instance.
+     * However, the Visitor currently allows mutation of the NodeList
+     * and puts arbitrary values in the NodeList, such as strings.
+     * We will have to switch to using an array or a less strict
+     * type instead so we can enable strict typing in this class.
+     *
+     * @param int|string $offset
+     *
+     * @phpstan-return T
      */
-    public function offsetGet($offset)
+    public function offsetGet($offset)// : Node
     {
         $item = $this->nodes[$offset];
 
         if (is_array($item) && isset($item['kind'])) {
-            $this->nodes[$offset] = $item = AST::fromArray($item);
+            /** @phpstan-var T $node */
+            $node                 = AST::fromArray($item);
+            $this->nodes[$offset] = $node;
         }
 
-        return $item;
+        return $this->nodes[$offset];
     }
 
     /**
-     * @param mixed $offset
-     * @param mixed $value
+     * @param int|string|null $offset
+     * @param Node|mixed[]    $value
+     *
+     * @phpstan-param T|mixed[] $value
      */
-    public function offsetSet($offset, $value)
+    public function offsetSet($offset, $value) : void
     {
-        if (is_array($value) && isset($value['kind'])) {
+        if (is_array($value)) {
+            /** @phpstan-var T $value */
             $value = AST::fromArray($value);
         }
+
+        // Happens when a Node is pushed via []=
+        if ($offset === null) {
+            $this->nodes[] = $value;
+
+            return;
+        }
+
         $this->nodes[$offset] = $value;
     }
 
     /**
-     * @param mixed $offset
+     * @param int|string $offset
      */
-    public function offsetUnset($offset)
+    public function offsetUnset($offset) : void
     {
         unset($this->nodes[$offset]);
     }
 
     /**
-     * @param int $offset
-     * @param int $length
      * @param mixed $replacement
-     * @return NodeList
+     *
+     * @phpstan-return NodeList<T>
      */
-    public function splice($offset, $length, $replacement = null)
+    public function splice(int $offset, int $length, $replacement = null) : NodeList
     {
         return new NodeList(array_splice($this->nodes, $offset, $length, $replacement));
     }
 
     /**
-     * @param $list
-     * @return NodeList
+     * @param NodeList|Node[] $list
+     *
+     * @phpstan-param NodeList<T>|array<T> $list
+     * @phpstan-return NodeList<T>
      */
-    public function merge($list)
+    public function merge($list) : NodeList
     {
-        if ($list instanceof NodeList) {
+        if ($list instanceof self) {
             $list = $list->nodes;
         }
+
         return new NodeList(array_merge($this->nodes, $list));
     }
 
-    /**
-     * @return \Generator
-     */
-    public function getIterator()
+    public function getIterator() : Traversable
     {
-        $count = count($this->nodes);
-        for ($i = 0; $i < $count; $i++) {
-            yield $this->offsetGet($i);
+        foreach ($this->nodes as $key => $_) {
+            yield $this->offsetGet($key);
         }
     }
 
-    /**
-     * @return int
-     */
-    public function count()
+    public function count() : int
     {
         return count($this->nodes);
     }

system/3rd_party/graphql-php/Language/AST/NonNullTypeNode.php

@@ -1,12 +1,14 @@
 <?php
+
+declare(strict_types=1);
+
 namespace GraphQL\Language\AST;
 
 class NonNullTypeNode extends Node implements TypeNode
 {
+    /** @var string */
     public $kind = NodeKind::NON_NULL_TYPE;
 
-    /**
-     * @var NameNode | ListTypeNode
-     */
+    /** @var NamedTypeNode|ListTypeNode */
     public $type;
 }

system/3rd_party/graphql-php/Language/AST/NullValueNode.php

@@ -1,7 +1,11 @@
 <?php
+
+declare(strict_types=1);
+
 namespace GraphQL\Language\AST;
 
 class NullValueNode extends Node implements ValueNode
 {
+    /** @var string */
     public $kind = NodeKind::NULL;
 }

system/3rd_party/graphql-php/Language/AST/ObjectFieldNode.php

@@ -1,18 +1,17 @@
 <?php
-namespace GraphQL\Language\AST;
 
+declare(strict_types=1);
+
+namespace GraphQL\Language\AST;
 
 class ObjectFieldNode extends Node
 {
+    /** @var string */
     public $kind = NodeKind::OBJECT_FIELD;
 
-    /**
-     * @var NameNode
-     */
+    /** @var NameNode */
     public $name;
 
-    /**
-     * @var ValueNode
-     */
+    /** @var VariableNode|NullValueNode|IntValueNode|FloatValueNode|StringValueNode|BooleanValueNode|EnumValueNode|ListValueNode|ObjectValueNode */
     public $value;
 }

system/3rd_party/graphql-php/Language/AST/ObjectTypeDefinitionNode.php

@@ -1,35 +1,26 @@
 <?php
+
+declare(strict_types=1);
+
 namespace GraphQL\Language\AST;
 
 class ObjectTypeDefinitionNode extends Node implements TypeDefinitionNode
 {
-    /**
-     * @var string
-     */
+    /** @var string */
     public $kind = NodeKind::OBJECT_TYPE_DEFINITION;
 
-    /**
-     * @var NameNode
-     */
+    /** @var NameNode */
     public $name;
 
-    /**
-     * @var NamedTypeNode[]
-     */
-    public $interfaces = [];
+    /** @var NodeList<NamedTypeNode> */
+    public $interfaces;
 
-    /**
-     * @var DirectiveNode[]
-     */
+    /** @var NodeList<DirectiveNode> */
     public $directives;
 
-    /**
-     * @var FieldDefinitionNode[]
-     */
+    /** @var NodeList<FieldDefinitionNode> */
     public $fields;
 
-    /**
-     * @var string
-     */
+    /** @var StringValueNode|null */
     public $description;
 }

system/3rd_party/graphql-php/Language/AST/ObjectTypeExtensionNode.php

@@ -0,0 +1,23 @@
+<?php
+
+declare(strict_types=1);
+
+namespace GraphQL\Language\AST;
+
+class ObjectTypeExtensionNode extends Node implements TypeExtensionNode
+{
+    /** @var string */
+    public $kind = NodeKind::OBJECT_TYPE_EXTENSION;
+
+    /** @var NameNode */
+    public $name;
+
+    /** @var NodeList<NamedTypeNode> */
+    public $interfaces;
+
+    /** @var NodeList<DirectiveNode> */
+    public $directives;
+
+    /** @var NodeList<FieldDefinitionNode> */
+    public $fields;
+}

system/3rd_party/graphql-php/Language/AST/ObjectValueNode.php

@@ -1,12 +1,14 @@
 <?php
+
+declare(strict_types=1);
+
 namespace GraphQL\Language\AST;
 
 class ObjectValueNode extends Node implements ValueNode
 {
+    /** @var string */
     public $kind = NodeKind::OBJECT;
 
-    /**
-     * @var ObjectFieldNode[]
-     */
+    /** @var NodeList<ObjectFieldNode> */
     public $fields;
 }

system/3rd_party/graphql-php/Language/AST/OperationDefinitionNode.php

@@ -1,35 +1,26 @@
 <?php
+
+declare(strict_types=1);
+
 namespace GraphQL\Language\AST;
 
-class OperationDefinitionNode extends Node implements DefinitionNode, HasSelectionSet
+class OperationDefinitionNode extends Node implements ExecutableDefinitionNode, HasSelectionSet
 {
-    /**
-     * @var string
-     */
+    /** @var string */
     public $kind = NodeKind::OPERATION_DEFINITION;
 
-    /**
-     * @var NameNode
-     */
+    /** @var NameNode|null */
     public $name;
 
-    /**
-     * @var string (oneOf 'query', 'mutation'))
-     */
+    /** @var string (oneOf 'query', 'mutation', 'subscription')) */
     public $operation;
 
-    /**
-     * @var VariableDefinitionNode[]
-     */
+    /** @var NodeList<VariableDefinitionNode> */
     public $variableDefinitions;
 
-    /**
-     * @var DirectiveNode[]
-     */
+    /** @var NodeList<DirectiveNode> */
     public $directives;
 
-    /**
-     * @var SelectionSetNode
-     */
+    /** @var SelectionSetNode */
     public $selectionSet;
 }

system/3rd_party/graphql-php/Language/AST/OperationTypeDefinitionNode.php

@@ -1,11 +1,12 @@
 <?php
+
+declare(strict_types=1);
+
 namespace GraphQL\Language\AST;
 
 class OperationTypeDefinitionNode extends Node
 {
-    /**
-     * @var string
-     */
+    /** @var string */
     public $kind = NodeKind::OPERATION_TYPE_DEFINITION;
 
     /**
@@ -15,8 +16,6 @@ class OperationTypeDefinitionNode extends Node
      */
     public $operation;
 
-    /**
-     * @var NamedTypeNode
-     */
+    /** @var NamedTypeNode */
     public $type;
 }

system/3rd_party/graphql-php/Language/AST/ScalarTypeDefinitionNode.php

@@ -1,25 +1,20 @@
 <?php
+
+declare(strict_types=1);
+
 namespace GraphQL\Language\AST;
 
 class ScalarTypeDefinitionNode extends Node implements TypeDefinitionNode
 {
-    /**
-     * @var string
-     */
+    /** @var string */
     public $kind = NodeKind::SCALAR_TYPE_DEFINITION;
 
-    /**
-     * @var NameNode
-     */
+    /** @var NameNode */
     public $name;
 
-    /**
-     * @var DirectiveNode[]
-     */
+    /** @var NodeList<DirectiveNode> */
     public $directives;
 
-    /**
-     * @var string
-     */
+    /** @var StringValueNode|null */
     public $description;
 }

system/3rd_party/graphql-php/Language/AST/ScalarTypeExtensionNode.php

@@ -0,0 +1,17 @@
+<?php
+
+declare(strict_types=1);
+
+namespace GraphQL\Language\AST;
+
+class ScalarTypeExtensionNode extends Node implements TypeExtensionNode
+{
+    /** @var string */
+    public $kind = NodeKind::SCALAR_TYPE_EXTENSION;
+
+    /** @var NameNode */
+    public $name;
+
+    /** @var NodeList<DirectiveNode> */
+    public $directives;
+}

system/3rd_party/graphql-php/Language/AST/SchemaDefinitionNode.php

@@ -1,20 +1,17 @@
 <?php
+
+declare(strict_types=1);
+
 namespace GraphQL\Language\AST;
 
 class SchemaDefinitionNode extends Node implements TypeSystemDefinitionNode
 {
-    /**
-     * @var string
-     */
+    /** @var string */
     public $kind = NodeKind::SCHEMA_DEFINITION;
 
-    /**
-     * @var DirectiveNode[]
-     */
+    /** @var NodeList<DirectiveNode> */
     public $directives;
 
-    /**
-     * @var OperationTypeDefinitionNode[]
-     */
+    /** @var NodeList<OperationTypeDefinitionNode> */
     public $operationTypes;
 }

system/3rd_party/graphql-php/Language/AST/SchemaTypeExtensionNode.php

@@ -0,0 +1,17 @@
+<?php
+
+declare(strict_types=1);
+
+namespace GraphQL\Language\AST;
+
+class SchemaTypeExtensionNode extends Node implements TypeExtensionNode
+{
+    /** @var string */
+    public $kind = NodeKind::SCHEMA_EXTENSION;
+
+    /** @var NodeList<DirectiveNode> */
+    public $directives;
+
+    /** @var NodeList<OperationTypeDefinitionNode> */
+    public $operationTypes;
+}

system/3rd_party/graphql-php/Language/AST/SelectionNode.php

@@ -1,9 +1,12 @@
 <?php
+
+declare(strict_types=1);
+
 namespace GraphQL\Language\AST;
 
-interface SelectionNode
-{
 /**
  * export type SelectionNode = FieldNode | FragmentSpreadNode | InlineFragmentNode
  */
+interface SelectionNode
+{
 }

system/3rd_party/graphql-php/Language/AST/SelectionSetNode.php

@@ -1,12 +1,14 @@
 <?php
+
+declare(strict_types=1);
+
 namespace GraphQL\Language\AST;
 
 class SelectionSetNode extends Node
 {
+    /** @var string */
     public $kind = NodeKind::SELECTION_SET;
 
-    /**
-     * @var SelectionNode[]
-     */
+    /** @var NodeList<SelectionNode&Node> */
     public $selections;
 }

system/3rd_party/graphql-php/Language/AST/StringValueNode.php

@@ -1,12 +1,17 @@
 <?php
+
+declare(strict_types=1);
+
 namespace GraphQL\Language\AST;
 
 class StringValueNode extends Node implements ValueNode
 {
+    /** @var string */
     public $kind = NodeKind::STRING;
 
-    /**
-     * @var string
-     */
+    /** @var string */
     public $value;
+
+    /** @var bool */
+    public $block;
 }

system/3rd_party/graphql-php/Language/AST/TypeDefinitionNode.php

@@ -1,14 +1,17 @@
 <?php
+
+declare(strict_types=1);
+
 namespace GraphQL\Language\AST;
 
+/**
+ * export type TypeDefinitionNode = ScalarTypeDefinitionNode
+ * | ObjectTypeDefinitionNode
+ * | InterfaceTypeDefinitionNode
+ * | UnionTypeDefinitionNode
+ * | EnumTypeDefinitionNode
+ * | InputObjectTypeDefinitionNode
+ */
 interface TypeDefinitionNode extends TypeSystemDefinitionNode
 {
-    /**
-    export type TypeDefinitionNode = ScalarTypeDefinitionNode
-    | ObjectTypeDefinitionNode
-    | InterfaceTypeDefinitionNode
-    | UnionTypeDefinitionNode
-    | EnumTypeDefinitionNode
-    | InputObjectTypeDefinitionNode
-     */
 }

system/3rd_party/graphql-php/Language/AST/TypeExtensionDefinitionNode.php

@@ -1,15 +0,0 @@
-<?php
-namespace GraphQL\Language\AST;
-
-class TypeExtensionDefinitionNode extends Node implements TypeSystemDefinitionNode
-{
-    /**
-     * @var string
-     */
-    public $kind = NodeKind::TYPE_EXTENSION_DEFINITION;
-
-    /**
-     * @var ObjectTypeDefinitionNode
-     */
-    public $definition;
-}

system/3rd_party/graphql-php/Language/AST/TypeExtensionNode.php

@@ -0,0 +1,18 @@
+<?php
+
+declare(strict_types=1);
+
+namespace GraphQL\Language\AST;
+
+/**
+ * export type TypeExtensionNode =
+ * | ScalarTypeExtensionNode
+ * | ObjectTypeExtensionNode
+ * | InterfaceTypeExtensionNode
+ * | UnionTypeExtensionNode
+ * | EnumTypeExtensionNode
+ * | InputObjectTypeExtensionNode;
+ */
+interface TypeExtensionNode extends TypeSystemDefinitionNode
+{
+}

system/3rd_party/graphql-php/Language/AST/TypeNode.php

@@ -1,13 +1,14 @@
 <?php
+
+declare(strict_types=1);
+
 namespace GraphQL\Language\AST;
 
-
+/**
+ * export type TypeNode = NamedTypeNode
+ * | ListTypeNode
+ * | NonNullTypeNode
+ */
 interface TypeNode
 {
-/**
- export type TypeNode = NamedTypeNode
-                    | ListTypeNode
-                    | NonNullTypeNode
- */
 }
-

system/3rd_party/graphql-php/Language/AST/TypeSystemDefinitionNode.php

@@ -1,12 +1,18 @@
 <?php
+
+declare(strict_types=1);
+
 namespace GraphQL\Language\AST;
 
+/**
+ * export type TypeSystemDefinitionNode =
+ * | SchemaDefinitionNode
+ * | TypeDefinitionNode
+ * | TypeExtensionNode
+ * | DirectiveDefinitionNode
+ *
+ * @property NameNode $name
+ */
 interface TypeSystemDefinitionNode extends DefinitionNode
 {
-    /**
-    export type TypeSystemDefinitionNode = SchemaDefinitionNode
-    | TypeDefinitionNode
-    | TypeExtensionDefinitionNode
-    | DirectiveDefinitionNode
-     */
 }

system/3rd_party/graphql-php/Language/AST/UnionTypeDefinitionNode.php

@@ -1,30 +1,23 @@
 <?php
+
+declare(strict_types=1);
+
 namespace GraphQL\Language\AST;
 
 class UnionTypeDefinitionNode extends Node implements TypeDefinitionNode
 {
-    /**
-     * @var string
-     */
+    /** @var string */
     public $kind = NodeKind::UNION_TYPE_DEFINITION;
 
-    /**
-     * @var NameNode
-     */
+    /** @var NameNode */
     public $name;
 
-    /**
-     * @var DirectiveNode[]
-     */
+    /** @var NodeList<DirectiveNode> */
     public $directives;
 
-    /**
-     * @var NamedTypeNode[]
-     */
-    public $types = [];
+    /** @var NodeList<NamedTypeNode> */
+    public $types;
 
-    /**
-     * @var string
-     */
+    /** @var StringValueNode|null */
     public $description;
 }

system/3rd_party/graphql-php/Language/AST/UnionTypeExtensionNode.php

@@ -0,0 +1,20 @@
+<?php
+
+declare(strict_types=1);
+
+namespace GraphQL\Language\AST;
+
+class UnionTypeExtensionNode extends Node implements TypeExtensionNode
+{
+    /** @var string */
+    public $kind = NodeKind::UNION_TYPE_EXTENSION;
+
+    /** @var NameNode */
+    public $name;
+
+    /** @var NodeList<DirectiveNode> */
+    public $directives;
+
+    /** @var NodeList<NamedTypeNode> */
+    public $types;
+}

system/3rd_party/graphql-php/Language/AST/ValueNode.php

@@ -1,8 +1,12 @@
 <?php
+
+declare(strict_types=1);
+
 namespace GraphQL\Language\AST;
 
 /**
 export type ValueNode = VariableNode
+| NullValueNode
 | IntValueNode
 | FloatValueNode
 | StringValueNode
@@ -13,5 +17,4 @@ export type ValueNode = VariableNode
  */
 interface ValueNode
 {
-
 }

system/3rd_party/graphql-php/Language/AST/VariableDefinitionNode.php

@@ -1,22 +1,23 @@
 <?php
+
+declare(strict_types=1);
+
 namespace GraphQL\Language\AST;
 
 class VariableDefinitionNode extends Node implements DefinitionNode
 {
+    /** @var string */
     public $kind = NodeKind::VARIABLE_DEFINITION;
 
-    /**
-     * @var VariableNode
-     */
+    /** @var VariableNode */
     public $variable;
 
-    /**
-     * @var TypeNode
-     */
+    /** @var NamedTypeNode|ListTypeNode|NonNullTypeNode */
     public $type;
 
-    /**
-     * @var ValueNode|null
-     */
+    /** @var VariableNode|NullValueNode|IntValueNode|FloatValueNode|StringValueNode|BooleanValueNode|EnumValueNode|ListValueNode|ObjectValueNode|null */
     public $defaultValue;
+
+    /** @var NodeList<DirectiveNode> */
+    public $directives;
 }

system/3rd_party/graphql-php/Language/AST/VariableNode.php

@@ -1,12 +1,14 @@
 <?php
+
+declare(strict_types=1);
+
 namespace GraphQL\Language\AST;
 
-class VariableNode extends Node
+class VariableNode extends Node implements ValueNode
 {
+    /** @var string */
     public $kind = NodeKind::VARIABLE;
 
-    /**
-     * @var NameNode
-     */
+    /** @var NameNode */
     public $name;
 }

system/3rd_party/graphql-php/Language/DirectiveLocation.php

@@ -0,0 +1,61 @@
+<?php
+
+declare(strict_types=1);
+
+namespace GraphQL\Language;
+
+/**
+ * List of available directive locations
+ */
+class DirectiveLocation
+{
+    // Request Definitions
+    const QUERY               = 'QUERY';
+    const MUTATION            = 'MUTATION';
+    const SUBSCRIPTION        = 'SUBSCRIPTION';
+    const FIELD               = 'FIELD';
+    const FRAGMENT_DEFINITION = 'FRAGMENT_DEFINITION';
+    const FRAGMENT_SPREAD     = 'FRAGMENT_SPREAD';
+    const INLINE_FRAGMENT     = 'INLINE_FRAGMENT';
+    const VARIABLE_DEFINITION = 'VARIABLE_DEFINITION';
+
+    // Type System Definitions
+    const SCHEMA                 = 'SCHEMA';
+    const SCALAR                 = 'SCALAR';
+    const OBJECT                 = 'OBJECT';
+    const FIELD_DEFINITION       = 'FIELD_DEFINITION';
+    const ARGUMENT_DEFINITION    = 'ARGUMENT_DEFINITION';
+    const IFACE                  = 'INTERFACE';
+    const UNION                  = 'UNION';
+    const ENUM                   = 'ENUM';
+    const ENUM_VALUE             = 'ENUM_VALUE';
+    const INPUT_OBJECT           = 'INPUT_OBJECT';
+    const INPUT_FIELD_DEFINITION = 'INPUT_FIELD_DEFINITION';
+
+    /** @var string[] */
+    private static $locations = [
+        self::QUERY => self::QUERY,
+        self::MUTATION => self::MUTATION,
+        self::SUBSCRIPTION => self::SUBSCRIPTION,
+        self::FIELD => self::FIELD,
+        self::FRAGMENT_DEFINITION => self::FRAGMENT_DEFINITION,
+        self::FRAGMENT_SPREAD => self::FRAGMENT_SPREAD,
+        self::INLINE_FRAGMENT => self::INLINE_FRAGMENT,
+        self::SCHEMA => self::SCHEMA,
+        self::SCALAR => self::SCALAR,
+        self::OBJECT => self::OBJECT,
+        self::FIELD_DEFINITION => self::FIELD_DEFINITION,
+        self::ARGUMENT_DEFINITION => self::ARGUMENT_DEFINITION,
+        self::IFACE => self::IFACE,
+        self::UNION => self::UNION,
+        self::ENUM => self::ENUM,
+        self::ENUM_VALUE => self::ENUM_VALUE,
+        self::INPUT_OBJECT => self::INPUT_OBJECT,
+        self::INPUT_FIELD_DEFINITION => self::INPUT_FIELD_DEFINITION,
+    ];
+
+    public static function has(string $name) : bool
+    {
+        return isset(self::$locations[$name]);
+    }
+}

system/3rd_party/graphql-php/Language/Lexer.php

@@ -1,8 +1,19 @@
 <?php
+
+declare(strict_types=1);
+
 namespace GraphQL\Language;
 
 use GraphQL\Error\SyntaxError;
+use GraphQL\Utils\BlockString;
 use GraphQL\Utils\Utils;
+use function chr;
+use function hexdec;
+use function mb_convert_encoding;
+use function ord;
+use function pack;
+use function preg_match;
+use function substr;
 
 /**
  * A Lexer is a stateful stream generator in that every time
@@ -15,14 +26,26 @@ use GraphQL\Utils\Utils;
  */
 class Lexer
 {
-    /**
-     * @var Source
-     */
+    private const TOKEN_BANG      = 33;
+    private const TOKEN_HASH      = 35;
+    private const TOKEN_DOLLAR    = 36;
+    private const TOKEN_AMP       = 38;
+    private const TOKEN_PAREN_L   = 40;
+    private const TOKEN_PAREN_R   = 41;
+    private const TOKEN_DOT       = 46;
+    private const TOKEN_COLON     = 58;
+    private const TOKEN_EQUALS    = 61;
+    private const TOKEN_AT        = 64;
+    private const TOKEN_BRACKET_L = 91;
+    private const TOKEN_BRACKET_R = 93;
+    private const TOKEN_BRACE_L   = 123;
+    private const TOKEN_PIPE      = 124;
+    private const TOKEN_BRACE_R   = 125;
+
+    /** @var Source */
     public $source;
 
-    /**
-     * @var array
-     */
+    /** @var bool[] */
     public $options;
 
     /**
@@ -68,22 +91,19 @@ class Lexer
     private $byteStreamPosition;
 
     /**
-     * Lexer constructor.
-     *
-     * @param Source $source
-     * @param array $options
+     * @param bool[] $options
      */
     public function __construct(Source $source, array $options = [])
     {
         $startOfFileToken = new Token(Token::SOF, 0, 0, 0, 0, null);
 
-        $this->source = $source;
-        $this->options = $options;
+        $this->source    = $source;
+        $this->options   = $options;
         $this->lastToken = $startOfFileToken;
-        $this->token = $startOfFileToken;
-        $this->line = 1;
+        $this->token     = $startOfFileToken;
+        $this->line      = 1;
         $this->lineStart = 0;
-        $this->position = $this->byteStreamPosition = 0;
+        $this->position  = $this->byteStreamPosition = 0;
     }
 
     /**
@@ -91,29 +111,26 @@ class Lexer
      */
     public function advance()
     {
-        $token = $this->lastToken = $this->token;
+        $this->lastToken = $this->token;
 
+        return $this->token = $this->lookahead();
+    }
+
+    public function lookahead()
+    {
+        $token = $this->token;
         if ($token->kind !== Token::EOF) {
             do {
-                $token = $token->next = $this->readToken($token);
+                $token = $token->next ?? ($token->next = $this->readToken($token));
             } while ($token->kind === Token::COMMENT);
-            $this->token = $token;
         }
+
         return $token;
     }
 
     /**
      * @return Token
-     */
-    public function nextToken()
-    {
-        trigger_error(__METHOD__ . ' is deprecated in favor of advance()', E_USER_DEPRECATED);
-        return $this->advance();
-    }
-
-    /**
-     * @param Token $prev
-     * @return Token
+     *
      * @throws SyntaxError
      */
     private function readToken(Token $prev)
@@ -124,98 +141,166 @@ class Lexer
         $position = $this->position;
 
         $line = $this->line;
-        $col = 1 + $position - $this->lineStart;
+        $col  = 1 + $position - $this->lineStart;
 
         if ($position >= $bodyLength) {
             return new Token(Token::EOF, $bodyLength, $bodyLength, $line, $col, $prev);
         }
 
         // Read next char and advance string cursor:
-        list (, $code, $bytes) = $this->readChar(true);
-
-        // SourceCharacter
-        if ($code < 0x0020 && $code !== 0x0009 && $code !== 0x000A && $code !== 0x000D) {
-            throw new SyntaxError(
-                $this->source,
-                $position,
-                'Cannot contain the invalid character ' . Utils::printCharCode($code)
-            );
-        }
+        [, $code, $bytes] = $this->readChar(true);
 
         switch ($code) {
-            case 33: // !
+            case self::TOKEN_BANG:
                 return new Token(Token::BANG, $position, $position + 1, $line, $col, $prev);
-            case 35: // #
+            case self::TOKEN_HASH: // #
                 $this->moveStringCursor(-1, -1 * $bytes);
-                return $this->readComment($line, $col, $prev);
-            case 36: // $
-                return new Token(Token::DOLLAR, $position, $position + 1, $line, $col, $prev);
-            case 40: // (
-                return new Token(Token::PAREN_L, $position, $position + 1, $line, $col, $prev);
-            case 41: // )
-                return new Token(Token::PAREN_R, $position, $position + 1, $line, $col, $prev);
-            case 46: // .
-                list (, $charCode1) = $this->readChar(true);
-                list (, $charCode2) = $this->readChar(true);
 
-                if ($charCode1 === 46 && $charCode2 === 46) {
+                return $this->readComment($line, $col, $prev);
+            case self::TOKEN_DOLLAR:
+                return new Token(Token::DOLLAR, $position, $position + 1, $line, $col, $prev);
+            case self::TOKEN_AMP:
+                return new Token(Token::AMP, $position, $position + 1, $line, $col, $prev);
+            case self::TOKEN_PAREN_L:
+                return new Token(Token::PAREN_L, $position, $position + 1, $line, $col, $prev);
+            case self::TOKEN_PAREN_R:
+                return new Token(Token::PAREN_R, $position, $position + 1, $line, $col, $prev);
+            case self::TOKEN_DOT: // .
+                [, $charCode1] = $this->readChar(true);
+                [, $charCode2] = $this->readChar(true);
+
+                if ($charCode1 === self::TOKEN_DOT && $charCode2 === self::TOKEN_DOT) {
                     return new Token(Token::SPREAD, $position, $position + 3, $line, $col, $prev);
                 }
                 break;
-            case 58: // :
+            case self::TOKEN_COLON:
                 return new Token(Token::COLON, $position, $position + 1, $line, $col, $prev);
-            case 61: // =
+            case self::TOKEN_EQUALS:
                 return new Token(Token::EQUALS, $position, $position + 1, $line, $col, $prev);
-            case 64: // @
+            case self::TOKEN_AT:
                 return new Token(Token::AT, $position, $position + 1, $line, $col, $prev);
-            case 91: // [
+            case self::TOKEN_BRACKET_L:
                 return new Token(Token::BRACKET_L, $position, $position + 1, $line, $col, $prev);
-            case 93: // ]
+            case self::TOKEN_BRACKET_R:
                 return new Token(Token::BRACKET_R, $position, $position + 1, $line, $col, $prev);
-            case 123: // {
+            case self::TOKEN_BRACE_L:
                 return new Token(Token::BRACE_L, $position, $position + 1, $line, $col, $prev);
-            case 124: // |
+            case self::TOKEN_PIPE:
                 return new Token(Token::PIPE, $position, $position + 1, $line, $col, $prev);
-            case 125: // }
+            case self::TOKEN_BRACE_R:
                 return new Token(Token::BRACE_R, $position, $position + 1, $line, $col, $prev);
+
             // A-Z
-            case 65: case 66: case 67: case 68: case 69: case 70: case 71: case 72:
-            case 73: case 74: case 75: case 76: case 77: case 78: case 79: case 80:
-            case 81: case 82: case 83: case 84: case 85: case 86: case 87: case 88:
-            case 89: case 90:
-            // _
+            case 65:
+            case 66:
+            case 67:
+            case 68:
+            case 69:
+            case 70:
+            case 71:
+            case 72:
+            case 73:
+            case 74:
+            case 75:
+            case 76:
+            case 77:
+            case 78:
+            case 79:
+            case 80:
+            case 81:
+            case 82:
+            case 83:
+            case 84:
+            case 85:
+            case 86:
+            case 87:
+            case 88:
+            case 89:
+            case 90:
+                // _
             case 95:
-            // a-z
-            case 97: case 98: case 99: case 100: case 101: case 102: case 103: case 104:
-            case 105: case 106: case 107: case 108: case 109: case 110: case 111:
-            case 112: case 113: case 114: case 115: case 116: case 117: case 118:
-            case 119: case 120: case 121: case 122:
+                // a-z
+            case 97:
+            case 98:
+            case 99:
+            case 100:
+            case 101:
+            case 102:
+            case 103:
+            case 104:
+            case 105:
+            case 106:
+            case 107:
+            case 108:
+            case 109:
+            case 110:
+            case 111:
+            case 112:
+            case 113:
+            case 114:
+            case 115:
+            case 116:
+            case 117:
+            case 118:
+            case 119:
+            case 120:
+            case 121:
+            case 122:
                 return $this->moveStringCursor(-1, -1 * $bytes)
                     ->readName($line, $col, $prev);
+
             // -
             case 45:
-            // 0-9
-            case 48: case 49: case 50: case 51: case 52:
-            case 53: case 54: case 55: case 56: case 57:
+                // 0-9
+            case 48:
+            case 49:
+            case 50:
+            case 51:
+            case 52:
+            case 53:
+            case 54:
+            case 55:
+            case 56:
+            case 57:
                 return $this->moveStringCursor(-1, -1 * $bytes)
                     ->readNumber($line, $col, $prev);
+
             // "
             case 34:
-                return $this->moveStringCursor(-1, -1 * $bytes)
+                [, $nextCode]     = $this->readChar();
+                [, $nextNextCode] = $this->moveStringCursor(1, 1)->readChar();
+
+                if ($nextCode === 34 && $nextNextCode === 34) {
+                    return $this->moveStringCursor(-2, (-1 * $bytes) - 1)
+                        ->readBlockString($line, $col, $prev);
+                }
+
+                return $this->moveStringCursor(-2, (-1 * $bytes) - 1)
                     ->readString($line, $col, $prev);
         }
 
-        $errMessage = $code === 39
-            ? "Unexpected single quote character ('), did you mean to use ". 'a double quote (")?'
-            : 'Cannot parse the unexpected character ' . Utils::printCharCode($code) . '.';
-
         throw new SyntaxError(
             $this->source,
             $position,
-            $errMessage
+            $this->unexpectedCharacterMessage($code)
         );
     }
 
+    private function unexpectedCharacterMessage($code)
+    {
+        // SourceCharacter
+        if ($code < 0x0020 && $code !== 0x0009 && $code !== 0x000A && $code !== 0x000D) {
+            return 'Cannot contain the invalid character ' . Utils::printCharCode($code);
+        }
+
+        if ($code === 39) {
+            return "Unexpected single quote character ('), did you mean to use " .
+                'a double quote (")?';
+        }
+
+        return 'Cannot parse the unexpected character ' . Utils::printCharCode($code) . '.';
+    }
+
     /**
      * Reads an alphanumeric + underscore name from the source.
      *
@@ -223,24 +308,25 @@ class Lexer
      *
      * @param int $line
      * @param int $col
-     * @param Token $prev
+     *
      * @return Token
      */
     private function readName($line, $col, Token $prev)
     {
-        $value = '';
-        $start = $this->position;
-        list ($char, $code) = $this->readChar();
+        $value         = '';
+        $start         = $this->position;
+        [$char, $code] = $this->readChar();
 
-        while ($code && (
-            $code === 95 || // _
-            $code >= 48 && $code <= 57 || // 0-9
-            $code >= 65 && $code <= 90 || // A-Z
-            $code >= 97 && $code <= 122 // a-z
-        )) {
-            $value .= $char;
-            list ($char, $code) = $this->moveStringCursor(1, 1)->readChar();
+        while ($code !== null && (
+                $code === 95 || // _
+                ($code >= 48 && $code <= 57) || // 0-9
+                ($code >= 65 && $code <= 90) || // A-Z
+                ($code >= 97 && $code <= 122) // a-z
+            )) {
+            $value        .= $char;
+            [$char, $code] = $this->moveStringCursor(1, 1)->readChar();
         }
+
         return new Token(
             Token::NAME,
             $start,
@@ -261,49 +347,54 @@ class Lexer
      *
      * @param int $line
      * @param int $col
-     * @param Token $prev
+     *
      * @return Token
+     *
      * @throws SyntaxError
      */
     private function readNumber($line, $col, Token $prev)
     {
-        $value = '';
-        $start = $this->position;
-        list ($char, $code) = $this->readChar();
+        $value         = '';
+        $start         = $this->position;
+        [$char, $code] = $this->readChar();
 
         $isFloat = false;
 
         if ($code === 45) { // -
-            $value .= $char;
-            list ($char, $code) = $this->moveStringCursor(1, 1)->readChar();
+            $value        .= $char;
+            [$char, $code] = $this->moveStringCursor(1, 1)->readChar();
         }
 
         // guard against leading zero's
         if ($code === 48) { // 0
-            $value .= $char;
-            list ($char, $code) = $this->moveStringCursor(1, 1)->readChar();
+            $value        .= $char;
+            [$char, $code] = $this->moveStringCursor(1, 1)->readChar();
 
             if ($code >= 48 && $code <= 57) {
-                throw new SyntaxError($this->source, $this->position, "Invalid number, unexpected digit after 0: " . Utils::printCharCode($code));
+                throw new SyntaxError(
+                    $this->source,
+                    $this->position,
+                    'Invalid number, unexpected digit after 0: ' . Utils::printCharCode($code)
+                );
             }
         } else {
-            $value .= $this->readDigits();
-            list ($char, $code) = $this->readChar();
+            $value        .= $this->readDigits();
+            [$char, $code] = $this->readChar();
         }
 
         if ($code === 46) { // .
             $isFloat = true;
             $this->moveStringCursor(1, 1);
 
-            $value .= $char;
-            $value .= $this->readDigits();
-            list ($char, $code) = $this->readChar();
+            $value        .= $char;
+            $value        .= $this->readDigits();
+            [$char, $code] = $this->readChar();
         }
 
         if ($code === 69 || $code === 101) { // E e
-            $isFloat = true;
-            $value .= $char;
-            list ($char, $code) = $this->moveStringCursor(1, 1)->readChar();
+            $isFloat       = true;
+            $value        .= $char;
+            [$char, $code] = $this->moveStringCursor(1, 1)->readChar();
 
             if ($code === 43 || $code === 45) { // + -
                 $value .= $char;
@@ -328,14 +419,14 @@ class Lexer
      */
     private function readDigits()
     {
-        list ($char, $code) = $this->readChar();
+        [$char, $code] = $this->readChar();
 
         if ($code >= 48 && $code <= 57) { // 0 - 9
             $value = '';
 
             do {
-                $value .= $char;
-                list ($char, $code) = $this->moveStringCursor(1, 1)->readChar();
+                $value        .= $char;
+                [$char, $code] = $this->moveStringCursor(1, 1)->readChar();
             } while ($code >= 48 && $code <= 57); // 0 - 9
 
             return $value;
@@ -355,8 +446,9 @@ class Lexer
     /**
      * @param int $line
      * @param int $col
-     * @param Token $prev
+     *
      * @return Token
+     *
      * @throws SyntaxError
      */
     private function readString($line, $col, Token $prev)
@@ -364,46 +456,96 @@ class Lexer
         $start = $this->position;
 
         // Skip leading quote and read first string char:
-        list ($char, $code, $bytes) = $this->moveStringCursor(1, 1)->readChar();
+        [$char, $code, $bytes] = $this->moveStringCursor(1, 1)->readChar();
 
         $chunk = '';
         $value = '';
 
-        while (
-            $code &&
+        while ($code !== null &&
             // not LineTerminator
-            $code !== 10 && $code !== 13 &&
-            // not Quote (")
-            $code !== 34
+            $code !== 10 && $code !== 13
         ) {
+            // Closing Quote (")
+            if ($code === 34) {
+                $value .= $chunk;
+
+                // Skip quote
+                $this->moveStringCursor(1, 1);
+
+                return new Token(
+                    Token::STRING,
+                    $start,
+                    $this->position,
+                    $line,
+                    $col,
+                    $prev,
+                    $value
+                );
+            }
+
             $this->assertValidStringCharacterCode($code, $this->position);
             $this->moveStringCursor(1, $bytes);
 
             if ($code === 92) { // \
-                $value .= $chunk;
-                list (, $code) = $this->readChar(true);
+                $value   .= $chunk;
+                [, $code] = $this->readChar(true);
 
                 switch ($code) {
-                    case 34: $value .= '"'; break;
-                    case 47: $value .= '/'; break;
-                    case 92: $value .= '\\'; break;
-                    case 98: $value .= chr(8); break; // \b (backspace)
-                    case 102: $value .= "\f"; break;
-                    case 110: $value .= "\n"; break;
-                    case 114: $value .= "\r"; break;
-                    case 116: $value .= "\t"; break;
+                    case 34:
+                        $value .= '"';
+                        break;
+                    case 47:
+                        $value .= '/';
+                        break;
+                    case 92:
+                        $value .= '\\';
+                        break;
+                    case 98:
+                        $value .= chr(8);
+                        break; // \b (backspace)
+                    case 102:
+                        $value .= "\f";
+                        break;
+                    case 110:
+                        $value .= "\n";
+                        break;
+                    case 114:
+                        $value .= "\r";
+                        break;
+                    case 116:
+                        $value .= "\t";
+                        break;
                     case 117:
                         $position = $this->position;
-                        list ($hex) = $this->readChars(4, true);
-                        if (!preg_match('/[0-9a-fA-F]{4}/', $hex)) {
+                        [$hex]    = $this->readChars(4, true);
+                        if (! preg_match('/[0-9a-fA-F]{4}/', $hex)) {
                             throw new SyntaxError(
                                 $this->source,
                                 $position - 1,
                                 'Invalid character escape sequence: \\u' . $hex
                             );
                         }
+
                         $code = hexdec($hex);
+
+                        // UTF-16 surrogate pair detection and handling.
+                        $highOrderByte = $code >> 8;
+                        if (0xD8 <= $highOrderByte && $highOrderByte <= 0xDF) {
+                            [$utf16Continuation] = $this->readChars(6, true);
+                            if (! preg_match('/^\\\u[0-9a-fA-F]{4}$/', $utf16Continuation)) {
+                                throw new SyntaxError(
+                                    $this->source,
+                                    $this->position - 5,
+                                    'Invalid UTF-16 trailing surrogate: ' . $utf16Continuation
+                                );
+                            }
+                            $surrogatePairHex = $hex . substr($utf16Continuation, 2, 4);
+                            $value           .= mb_convert_encoding(pack('H*', $surrogatePairHex), 'UTF-8', 'UTF-16');
+                            break;
+                        }
+
                         $this->assertValidStringCharacterCode($code, $position - 2);
+
                         $value .= Utils::chr($code);
                         break;
                     default:
@@ -418,30 +560,86 @@ class Lexer
                 $chunk .= $char;
             }
 
-            list ($char, $code, $bytes) = $this->readChar();
+            [$char, $code, $bytes] = $this->readChar();
         }
 
-        if ($code !== 34) {
-            throw new SyntaxError(
-                $this->source,
-                $this->position,
-                'Unterminated string.'
-            );
-        }
-
-        $value .= $chunk;
-
-        // Skip trailing quote:
-        $this->moveStringCursor(1, 1);
-
-        return new Token(
-            Token::STRING,
-            $start,
+        throw new SyntaxError(
+            $this->source,
             $this->position,
-            $line,
-            $col,
-            $prev,
-            $value
+            'Unterminated string.'
+        );
+    }
+
+    /**
+     * Reads a block string token from the source file.
+     *
+     * """("?"?(\\"""|\\(?!=""")|[^"\\]))*"""
+     */
+    private function readBlockString($line, $col, Token $prev)
+    {
+        $start = $this->position;
+
+        // Skip leading quotes and read first string char:
+        [$char, $code, $bytes] = $this->moveStringCursor(3, 3)->readChar();
+
+        $chunk = '';
+        $value = '';
+
+        while ($code !== null) {
+            // Closing Triple-Quote (""")
+            if ($code === 34) {
+                // Move 2 quotes
+                [, $nextCode]     = $this->moveStringCursor(1, 1)->readChar();
+                [, $nextNextCode] = $this->moveStringCursor(1, 1)->readChar();
+
+                if ($nextCode === 34 && $nextNextCode === 34) {
+                    $value .= $chunk;
+
+                    $this->moveStringCursor(1, 1);
+
+                    return new Token(
+                        Token::BLOCK_STRING,
+                        $start,
+                        $this->position,
+                        $line,
+                        $col,
+                        $prev,
+                        BlockString::value($value)
+                    );
+                }
+
+                // move cursor back to before the first quote
+                $this->moveStringCursor(-2, -2);
+            }
+
+            $this->assertValidBlockStringCharacterCode($code, $this->position);
+            $this->moveStringCursor(1, $bytes);
+
+            [, $nextCode]         = $this->readChar();
+            [, $nextNextCode]     = $this->moveStringCursor(1, 1)->readChar();
+            [, $nextNextNextCode] = $this->moveStringCursor(1, 1)->readChar();
+
+            // Escape Triple-Quote (\""")
+            if ($code === 92 &&
+                $nextCode === 34 &&
+                $nextNextCode === 34 &&
+                $nextNextNextCode === 34
+            ) {
+                $this->moveStringCursor(1, 1);
+                $value .= $chunk . '"""';
+                $chunk  = '';
+            } else {
+                $this->moveStringCursor(-2, -2);
+                $chunk .= $char;
+            }
+
+            [$char, $code, $bytes] = $this->readChar();
+        }
+
+        throw new SyntaxError(
+            $this->source,
+            $this->position,
+            'Unterminated string.'
         );
     }
 
@@ -457,6 +655,18 @@ class Lexer
         }
     }
 
+    private function assertValidBlockStringCharacterCode($code, $position)
+    {
+        // SourceCharacter
+        if ($code < 0x0020 && $code !== 0x0009 && $code !== 0x000A && $code !== 0x000D) {
+            throw new SyntaxError(
+                $this->source,
+                $position,
+                'Invalid character within String: ' . Utils::printCharCode($code)
+            );
+        }
+    }
+
     /**
      * Reads from body starting at startPosition until it finds a non-whitespace
      * or commented character, then places cursor to the position of that character.
@@ -464,18 +674,18 @@ class Lexer
     private function positionAfterWhitespace()
     {
         while ($this->position < $this->source->length) {
-            list(, $code, $bytes) = $this->readChar();
+            [, $code, $bytes] = $this->readChar();
 
             // Skip whitespace
             // tab | space | comma | BOM
             if ($code === 9 || $code === 32 || $code === 44 || $code === 0xFEFF) {
                 $this->moveStringCursor(1, $bytes);
-            } else if ($code === 10) { // new line
+            } elseif ($code === 10) { // new line
                 $this->moveStringCursor(1, $bytes);
                 $this->line++;
                 $this->lineStart = $this->position;
-            } else if ($code === 13) { // carriage return
-                list(, $nextCode, $nextBytes) = $this->moveStringCursor(1, $bytes)->readChar();
+            } elseif ($code === 13) { // carriage return
+                [, $nextCode, $nextBytes] = $this->moveStringCursor(1, $bytes)->readChar();
 
                 if ($nextCode === 10) { // lf after cr
                     $this->moveStringCursor(1, $nextBytes);
@@ -493,9 +703,9 @@ class Lexer
      *
      * #[\u0009\u0020-\uFFFF]*
      *
-     * @param $line
-     * @param $col
-     * @param Token $prev
+     * @param int $line
+     * @param int $col
+     *
      * @return Token
      */
     private function readComment($line, $col, Token $prev)
@@ -505,12 +715,11 @@ class Lexer
         $bytes = 1;
 
         do {
-            list ($char, $code, $bytes) = $this->moveStringCursor(1, $bytes)->readChar();
-            $value .= $char;
-        } while (
-            $code &&
-            // SourceCharacter but not LineTerminator
-            ($code > 0x001F || $code === 0x0009)
+            [$char, $code, $bytes] = $this->moveStringCursor(1, $bytes)->readChar();
+            $value                .= $char;
+        } while ($code !== null &&
+        // SourceCharacter but not LineTerminator
+        ($code > 0x001F || $code === 0x0009)
         );
 
         return new Token(
@@ -528,8 +737,9 @@ class Lexer
      * Reads next UTF8Character from the byte stream, starting from $byteStreamPosition.
      *
      * @param bool $advance
-     * @param int $byteStreamPosition
-     * @return array
+     * @param int  $byteStreamPosition
+     *
+     * @return (string|int)[]
      */
     private function readChar($advance = false, $byteStreamPosition = null)
     {
@@ -537,9 +747,9 @@ class Lexer
             $byteStreamPosition = $this->byteStreamPosition;
         }
 
-        $code = 0;
-        $utf8char = '';
-        $bytes = 0;
+        $code           = null;
+        $utf8char       = '';
+        $bytes          = 0;
         $positionOffset = 0;
 
         if (isset($this->source->body[$byteStreamPosition])) {
@@ -547,7 +757,7 @@ class Lexer
 
             if ($ord < 128) {
                 $bytes = 1;
-            } else if ($ord < 224) {
+            } elseif ($ord < 224) {
                 $bytes = 2;
             } elseif ($ord < 240) {
                 $bytes = 3;
@@ -560,7 +770,7 @@ class Lexer
                 $utf8char .= $this->source->body[$pos];
             }
             $positionOffset = 1;
-            $code = $bytes === 1 ? $ord : Utils::ord($utf8char);
+            $code           = $bytes === 1 ? $ord : Utils::ord($utf8char);
         }
 
         if ($advance) {
@@ -573,40 +783,44 @@ class Lexer
     /**
      * Reads next $numberOfChars UTF8 characters from the byte stream, starting from $byteStreamPosition.
      *
-     * @param $numberOfChars
+     * @param int  $charCount
      * @param bool $advance
      * @param null $byteStreamPosition
-     * @return array
+     *
+     * @return (string|int)[]
      */
-    private function readChars($numberOfChars, $advance = false, $byteStreamPosition = null)
+    private function readChars($charCount, $advance = false, $byteStreamPosition = null)
     {
-        $result = '';
+        $result     = '';
         $totalBytes = 0;
-        $byteOffset = $byteStreamPosition ?: $this->byteStreamPosition;
+        $byteOffset = $byteStreamPosition ?? $this->byteStreamPosition;
 
-        for ($i = 0; $i < $numberOfChars; $i++) {
-            list ($char, $code, $bytes) = $this->readChar(false, $byteOffset);
-            $totalBytes += $bytes;
-            $byteOffset += $bytes;
-            $result .= $char;
+        for ($i = 0; $i < $charCount; $i++) {
+            [$char, $code, $bytes] = $this->readChar(false, $byteOffset);
+            $totalBytes           += $bytes;
+            $byteOffset           += $bytes;
+            $result               .= $char;
         }
         if ($advance) {
-            $this->moveStringCursor($numberOfChars, $totalBytes);
+            $this->moveStringCursor($charCount, $totalBytes);
         }
+
         return [$result, $totalBytes];
     }
 
     /**
      * Moves internal string cursor position
      *
-     * @param $positionOffset
-     * @param $byteStreamOffset
-     * @return $this
+     * @param int $positionOffset
+     * @param int $byteStreamOffset
+     *
+     * @return self
      */
     private function moveStringCursor($positionOffset, $byteStreamOffset)
     {
-        $this->position += $positionOffset;
+        $this->position           += $positionOffset;
         $this->byteStreamPosition += $byteStreamOffset;
+
         return $this;
     }
 }

system/3rd_party/graphql-php/Language/Printer.php

@@ -1,44 +1,63 @@
 <?php
+
+declare(strict_types=1);
+
 namespace GraphQL\Language;
 
 use GraphQL\Language\AST\ArgumentNode;
-use GraphQL\Language\AST\DirectiveDefinitionNode;
-use GraphQL\Language\AST\EnumTypeDefinitionNode;
-use GraphQL\Language\AST\EnumValueDefinitionNode;
-use GraphQL\Language\AST\FieldDefinitionNode;
-use GraphQL\Language\AST\InputObjectTypeDefinitionNode;
-use GraphQL\Language\AST\InputValueDefinitionNode;
-use GraphQL\Language\AST\InterfaceTypeDefinitionNode;
-use GraphQL\Language\AST\ListValueNode;
 use GraphQL\Language\AST\BooleanValueNode;
+use GraphQL\Language\AST\DirectiveDefinitionNode;
 use GraphQL\Language\AST\DirectiveNode;
 use GraphQL\Language\AST\DocumentNode;
+use GraphQL\Language\AST\EnumTypeDefinitionNode;
+use GraphQL\Language\AST\EnumTypeExtensionNode;
+use GraphQL\Language\AST\EnumValueDefinitionNode;
 use GraphQL\Language\AST\EnumValueNode;
+use GraphQL\Language\AST\FieldDefinitionNode;
 use GraphQL\Language\AST\FieldNode;
 use GraphQL\Language\AST\FloatValueNode;
 use GraphQL\Language\AST\FragmentDefinitionNode;
 use GraphQL\Language\AST\FragmentSpreadNode;
 use GraphQL\Language\AST\InlineFragmentNode;
+use GraphQL\Language\AST\InputObjectTypeDefinitionNode;
+use GraphQL\Language\AST\InputObjectTypeExtensionNode;
+use GraphQL\Language\AST\InputValueDefinitionNode;
+use GraphQL\Language\AST\InterfaceTypeDefinitionNode;
+use GraphQL\Language\AST\InterfaceTypeExtensionNode;
 use GraphQL\Language\AST\IntValueNode;
 use GraphQL\Language\AST\ListTypeNode;
+use GraphQL\Language\AST\ListValueNode;
 use GraphQL\Language\AST\NamedTypeNode;
+use GraphQL\Language\AST\NameNode;
 use GraphQL\Language\AST\Node;
 use GraphQL\Language\AST\NodeKind;
 use GraphQL\Language\AST\NonNullTypeNode;
 use GraphQL\Language\AST\NullValueNode;
 use GraphQL\Language\AST\ObjectFieldNode;
 use GraphQL\Language\AST\ObjectTypeDefinitionNode;
+use GraphQL\Language\AST\ObjectTypeExtensionNode;
 use GraphQL\Language\AST\ObjectValueNode;
 use GraphQL\Language\AST\OperationDefinitionNode;
 use GraphQL\Language\AST\OperationTypeDefinitionNode;
 use GraphQL\Language\AST\ScalarTypeDefinitionNode;
+use GraphQL\Language\AST\ScalarTypeExtensionNode;
 use GraphQL\Language\AST\SchemaDefinitionNode;
+use GraphQL\Language\AST\SchemaTypeExtensionNode;
 use GraphQL\Language\AST\SelectionSetNode;
 use GraphQL\Language\AST\StringValueNode;
-use GraphQL\Language\AST\TypeExtensionDefinitionNode;
 use GraphQL\Language\AST\UnionTypeDefinitionNode;
+use GraphQL\Language\AST\UnionTypeExtensionNode;
 use GraphQL\Language\AST\VariableDefinitionNode;
+use GraphQL\Language\AST\VariableNode;
 use GraphQL\Utils\Utils;
+use function count;
+use function implode;
+use function json_encode;
+use function preg_replace;
+use function sprintf;
+use function str_replace;
+use function strlen;
+use function strpos;
 
 /**
  * Prints AST to string. Capable of printing GraphQL queries and Type definition language.
@@ -57,209 +76,401 @@ class Printer
     /**
      * Prints AST to string. Capable of printing GraphQL queries and Type definition language.
      *
-     * @api
      * @param Node $ast
+     *
      * @return string
+     *
+     * @api
      */
     public static function doPrint($ast)
     {
         static $instance;
-        $instance = $instance ?: new static();
+        $instance = $instance ?? new static();
+
         return $instance->printAST($ast);
     }
 
     protected function __construct()
-    {}
+    {
+    }
 
+    /**
+     * Traverse an AST bottom-up, converting all nodes to strings.
+     *
+     * That means the AST is manipulated in such a way that it no longer
+     * resembles the well-formed result of parsing.
+     */
     public function printAST($ast)
     {
-        return Visitor::visit($ast, [
-            'leave' => [
-                NodeKind::NAME => function(Node $node) {
-                    return '' . $node->value;
-                },
-                NodeKind::VARIABLE => function($node) {
-                    return '$' . $node->name;
-                },
-                NodeKind::DOCUMENT => function(DocumentNode $node) {
-                    return $this->join($node->definitions, "\n\n") . "\n";
-                },
-                NodeKind::OPERATION_DEFINITION => function(OperationDefinitionNode $node) {
-                    $op = $node->operation;
-                    $name = $node->name;
-                    $varDefs = $this->wrap('(', $this->join($node->variableDefinitions, ', '), ')');
-                    $directives = $this->join($node->directives, ' ');
-                    $selectionSet = $node->selectionSet;
-                    // Anonymous queries with no directives or variable definitions can use
-                    // the query short form.
-                    return !$name && !$directives && !$varDefs && $op === 'query'
-                        ? $selectionSet
-                        : $this->join([$op, $this->join([$name, $varDefs]), $directives, $selectionSet], ' ');
-                },
-                NodeKind::VARIABLE_DEFINITION => function(VariableDefinitionNode $node) {
-                    return $node->variable . ': ' . $node->type . $this->wrap(' = ', $node->defaultValue);
-                },
-                NodeKind::SELECTION_SET => function(SelectionSetNode $node) {
-                    return $this->block($node->selections);
-                },
-                NodeKind::FIELD => function(FieldNode $node) {
-                    return $this->join([
-                        $this->wrap('', $node->alias, ': ') . $node->name . $this->wrap('(', $this->join($node->arguments, ', '), ')'),
-                        $this->join($node->directives, ' '),
-                        $node->selectionSet
-                    ], ' ');
-                },
-                NodeKind::ARGUMENT => function(ArgumentNode $node) {
-                    return $node->name . ': ' . $node->value;
-                },
+        return Visitor::visit(
+            $ast,
+            [
+                'leave' => [
+                    NodeKind::NAME => static function (NameNode $node) : string {
+                        return $node->value;
+                    },
 
-                // Fragments
-                NodeKind::FRAGMENT_SPREAD => function(FragmentSpreadNode $node) {
-                    return '...' . $node->name . $this->wrap(' ', $this->join($node->directives, ' '));
-                },
-                NodeKind::INLINE_FRAGMENT => function(InlineFragmentNode $node) {
-                    return $this->join([
-                        "...",
-                        $this->wrap('on ', $node->typeCondition),
-                        $this->join($node->directives, ' '),
-                        $node->selectionSet
-                    ], ' ');
-                },
-                NodeKind::FRAGMENT_DEFINITION => function(FragmentDefinitionNode $node) {
-                    return "fragment {$node->name} on {$node->typeCondition} "
-                        . $this->wrap('', $this->join($node->directives, ' '), ' ')
-                        . $node->selectionSet;
-                },
+                    NodeKind::VARIABLE => static function (VariableNode $node) : string {
+                        return '$' . $node->name;
+                    },
 
-                // Value
-                NodeKind::INT => function(IntValueNode  $node) {
-                    return $node->value;
-                },
-                NodeKind::FLOAT => function(FloatValueNode $node) {
-                    return $node->value;
-                },
-                NodeKind::STRING => function(StringValueNode $node) {
-                    return json_encode($node->value);
-                },
-                NodeKind::BOOLEAN => function(BooleanValueNode $node) {
-                    return $node->value ? 'true' : 'false';
-                },
-                NodeKind::NULL => function(NullValueNode $node) {
-                    return 'null';
-                },
-                NodeKind::ENUM => function(EnumValueNode $node) {
-                    return $node->value;
-                },
-                NodeKind::LST => function(ListValueNode $node) {
-                    return '[' . $this->join($node->values, ', ') . ']';
-                },
-                NodeKind::OBJECT => function(ObjectValueNode $node) {
-                    return '{' . $this->join($node->fields, ', ') . '}';
-                },
-                NodeKind::OBJECT_FIELD => function(ObjectFieldNode $node) {
-                    return $node->name . ': ' . $node->value;
-                },
+                    NodeKind::DOCUMENT => function (DocumentNode $node) : string {
+                        return $this->join($node->definitions, "\n\n") . "\n";
+                    },
 
-                // DirectiveNode
-                NodeKind::DIRECTIVE => function(DirectiveNode $node) {
-                    return '@' . $node->name . $this->wrap('(', $this->join($node->arguments, ', '), ')');
-                },
+                    NodeKind::OPERATION_DEFINITION => function (OperationDefinitionNode $node) : string {
+                        $op           = $node->operation;
+                        $name         = $node->name;
+                        $varDefs      = $this->wrap('(', $this->join($node->variableDefinitions, ', '), ')');
+                        $directives   = $this->join($node->directives, ' ');
+                        $selectionSet = $node->selectionSet;
 
-                // Type
-                NodeKind::NAMED_TYPE => function(NamedTypeNode $node) {
-                    return $node->name;
-                },
-                NodeKind::LIST_TYPE => function(ListTypeNode $node) {
-                    return '[' . $node->type . ']';
-                },
-                NodeKind::NON_NULL_TYPE => function(NonNullTypeNode $node) {
-                    return $node->type . '!';
-                },
+                        // Anonymous queries with no directives or variable definitions can use
+                        // the query short form.
+                        return $name === null && strlen($directives ?? '') === 0 && ! $varDefs && $op === 'query'
+                            ? $selectionSet
+                            : $this->join([$op, $this->join([$name, $varDefs]), $directives, $selectionSet], ' ');
+                    },
 
-                // Type System Definitions
-                NodeKind::SCHEMA_DEFINITION => function(SchemaDefinitionNode $def) {
-                    return $this->join([
-                        'schema',
-                        $this->join($def->directives, ' '),
-                        $this->block($def->operationTypes)
-                    ], ' ');
-                },
-                NodeKind::OPERATION_TYPE_DEFINITION => function(OperationTypeDefinitionNode $def) {
-                    return $def->operation . ': ' . $def->type;
-                },
+                    NodeKind::VARIABLE_DEFINITION => function (VariableDefinitionNode $node) : string {
+                        return $node->variable
+                            . ': '
+                            . $node->type
+                            . $this->wrap(' = ', $node->defaultValue)
+                            . $this->wrap(' ', $this->join($node->directives, ' '));
+                    },
 
-                NodeKind::SCALAR_TYPE_DEFINITION => function(ScalarTypeDefinitionNode $def) {
-                    return $this->join(['scalar', $def->name, $this->join($def->directives, ' ')], ' ');
-                },
-                NodeKind::OBJECT_TYPE_DEFINITION => function(ObjectTypeDefinitionNode $def) {
-                    return $this->join([
-                        'type',
-                        $def->name,
-                        $this->wrap('implements ', $this->join($def->interfaces, ', ')),
-                        $this->join($def->directives, ' '),
-                        $this->block($def->fields)
-                    ], ' ');
-                },
-                NodeKind::FIELD_DEFINITION => function(FieldDefinitionNode $def) {
-                    return $def->name
-                         . $this->wrap('(', $this->join($def->arguments, ', '), ')')
-                         . ': ' . $def->type
-                         . $this->wrap(' ', $this->join($def->directives, ' '));
-                },
-                NodeKind::INPUT_VALUE_DEFINITION => function(InputValueDefinitionNode $def) {
-                    return $this->join([
-                        $def->name . ': ' . $def->type,
-                        $this->wrap('= ', $def->defaultValue),
-                        $this->join($def->directives, ' ')
-                    ], ' ');
-                },
-                NodeKind::INTERFACE_TYPE_DEFINITION => function(InterfaceTypeDefinitionNode $def) {
-                    return $this->join([
-                        'interface',
-                        $def->name,
-                        $this->join($def->directives, ' '),
-                        $this->block($def->fields)
-                    ], ' ');
-                },
-                NodeKind::UNION_TYPE_DEFINITION => function(UnionTypeDefinitionNode $def) {
-                    return $this->join([
-                        'union',
-                        $def->name,
-                        $this->join($def->directives, ' '),
-                        '= ' . $this->join($def->types, ' | ')
-                    ], ' ');
-                },
-                NodeKind::ENUM_TYPE_DEFINITION => function(EnumTypeDefinitionNode $def) {
-                    return $this->join([
-                        'enum',
-                        $def->name,
-                        $this->join($def->directives, ' '),
-                        $this->block($def->values)
-                    ], ' ');
-                },
-                NodeKind::ENUM_VALUE_DEFINITION => function(EnumValueDefinitionNode $def) {
-                    return $this->join([
-                        $def->name,
-                        $this->join($def->directives, ' ')
-                    ], ' ');
-                },
-                NodeKind::INPUT_OBJECT_TYPE_DEFINITION => function(InputObjectTypeDefinitionNode $def) {
-                    return $this->join([
-                        'input',
-                        $def->name,
-                        $this->join($def->directives, ' '),
-                        $this->block($def->fields)
-                    ], ' ');
-                },
-                NodeKind::TYPE_EXTENSION_DEFINITION => function(TypeExtensionDefinitionNode $def) {
-                    return "extend {$def->definition}";
-                },
-                NodeKind::DIRECTIVE_DEFINITION => function(DirectiveDefinitionNode $def) {
-                    return 'directive @' . $def->name . $this->wrap('(', $this->join($def->arguments, ', '), ')')
-                        . ' on ' . $this->join($def->locations, ' | ');
-                }
+                    NodeKind::SELECTION_SET => function (SelectionSetNode $node) {
+                        return $this->block($node->selections);
+                    },
+
+                    NodeKind::FIELD => function (FieldNode $node) : string {
+                        return $this->join(
+                            [
+                                $this->wrap('', $node->alias, ': ') . $node->name . $this->wrap(
+                                    '(',
+                                    $this->join($node->arguments, ', '),
+                                    ')'
+                                ),
+                                $this->join($node->directives, ' '),
+                                $node->selectionSet,
+                            ],
+                            ' '
+                        );
+                    },
+
+                    NodeKind::ARGUMENT => static function (ArgumentNode $node) : string {
+                        return $node->name . ': ' . $node->value;
+                    },
+
+                    NodeKind::FRAGMENT_SPREAD => function (FragmentSpreadNode $node) : string {
+                        return '...'
+                            . $node->name
+                            . $this->wrap(' ', $this->join($node->directives, ' '));
+                    },
+
+                    NodeKind::INLINE_FRAGMENT => function (InlineFragmentNode $node) : string {
+                        return $this->join(
+                            [
+                                '...',
+                                $this->wrap('on ', $node->typeCondition),
+                                $this->join($node->directives, ' '),
+                                $node->selectionSet,
+                            ],
+                            ' '
+                        );
+                    },
+
+                    NodeKind::FRAGMENT_DEFINITION => function (FragmentDefinitionNode $node) : string {
+                        // Note: fragment variable definitions are experimental and may be changed or removed in the future.
+                        return sprintf('fragment %s', $node->name)
+                            . $this->wrap('(', $this->join($node->variableDefinitions, ', '), ')')
+                            . sprintf(' on %s ', $node->typeCondition)
+                            . $this->wrap('', $this->join($node->directives, ' '), ' ')
+                            . $node->selectionSet;
+                    },
+
+                    NodeKind::INT => static function (IntValueNode $node) : string {
+                        return $node->value;
+                    },
+
+                    NodeKind::FLOAT => static function (FloatValueNode $node) : string {
+                        return $node->value;
+                    },
+
+                    NodeKind::STRING => function (StringValueNode $node, $key) : string {
+                        if ($node->block) {
+                            return $this->printBlockString($node->value, $key === 'description');
+                        }
+
+                        return json_encode($node->value);
+                    },
+
+                    NodeKind::BOOLEAN => static function (BooleanValueNode $node) : string {
+                        return $node->value ? 'true' : 'false';
+                    },
+
+                    NodeKind::NULL => static function (NullValueNode $node) : string {
+                        return 'null';
+                    },
+
+                    NodeKind::ENUM => static function (EnumValueNode $node) : string {
+                        return $node->value;
+                    },
+
+                    NodeKind::LST => function (ListValueNode $node) : string {
+                        return '[' . $this->join($node->values, ', ') . ']';
+                    },
+
+                    NodeKind::OBJECT => function (ObjectValueNode $node) : string {
+                        return '{' . $this->join($node->fields, ', ') . '}';
+                    },
+
+                    NodeKind::OBJECT_FIELD => static function (ObjectFieldNode $node) : string {
+                        return $node->name . ': ' . $node->value;
+                    },
+
+                    NodeKind::DIRECTIVE => function (DirectiveNode $node) : string {
+                        return '@' . $node->name . $this->wrap('(', $this->join($node->arguments, ', '), ')');
+                    },
+
+                    NodeKind::NAMED_TYPE => static function (NamedTypeNode $node) : string {
+                        // @phpstan-ignore-next-line the printer works bottom up, so this is already a string here
+                        return $node->name;
+                    },
+
+                    NodeKind::LIST_TYPE => static function (ListTypeNode $node) : string {
+                        return '[' . $node->type . ']';
+                    },
+
+                    NodeKind::NON_NULL_TYPE => static function (NonNullTypeNode $node) : string {
+                        return $node->type . '!';
+                    },
+
+                    NodeKind::SCHEMA_DEFINITION => function (SchemaDefinitionNode $def) : string {
+                        return $this->join(
+                            [
+                                'schema',
+                                $this->join($def->directives, ' '),
+                                $this->block($def->operationTypes),
+                            ],
+                            ' '
+                        );
+                    },
+
+                    NodeKind::OPERATION_TYPE_DEFINITION => static function (OperationTypeDefinitionNode $def) : string {
+                        return $def->operation . ': ' . $def->type;
+                    },
+
+                    NodeKind::SCALAR_TYPE_DEFINITION => $this->addDescription(function (ScalarTypeDefinitionNode $def) : string {
+                        return $this->join(['scalar', $def->name, $this->join($def->directives, ' ')], ' ');
+                    }),
+
+                    NodeKind::OBJECT_TYPE_DEFINITION => $this->addDescription(function (ObjectTypeDefinitionNode $def) : string {
+                        return $this->join(
+                            [
+                                'type',
+                                $def->name,
+                                $this->wrap('implements ', $this->join($def->interfaces, ' & ')),
+                                $this->join($def->directives, ' '),
+                                $this->block($def->fields),
+                            ],
+                            ' '
+                        );
+                    }),
+
+                    NodeKind::FIELD_DEFINITION => $this->addDescription(function (FieldDefinitionNode $def) : string {
+                        $noIndent = Utils::every($def->arguments, static function (string $arg) : bool {
+                            return strpos($arg, "\n") === false;
+                        });
+
+                        return $def->name
+                            . ($noIndent
+                                ? $this->wrap('(', $this->join($def->arguments, ', '), ')')
+                                : $this->wrap("(\n", $this->indent($this->join($def->arguments, "\n")), "\n)"))
+                            . ': ' . $def->type
+                            . $this->wrap(' ', $this->join($def->directives, ' '));
+                    }),
+
+                    NodeKind::INPUT_VALUE_DEFINITION => $this->addDescription(function (InputValueDefinitionNode $def) : string {
+                        return $this->join(
+                            [
+                                $def->name . ': ' . $def->type,
+                                $this->wrap('= ', $def->defaultValue),
+                                $this->join($def->directives, ' '),
+                            ],
+                            ' '
+                        );
+                    }),
+
+                    NodeKind::INTERFACE_TYPE_DEFINITION => $this->addDescription(
+                        function (InterfaceTypeDefinitionNode $def) : string {
+                            return $this->join(
+                                [
+                                    'interface',
+                                    $def->name,
+                                    $this->wrap('implements ', $this->join($def->interfaces, ' & ')),
+                                    $this->join($def->directives, ' '),
+                                    $this->block($def->fields),
+                                ],
+                                ' '
+                            );
+                        }
+                    ),
+
+                    NodeKind::UNION_TYPE_DEFINITION => $this->addDescription(function (UnionTypeDefinitionNode $def) : string {
+                        return $this->join(
+                            [
+                                'union',
+                                $def->name,
+                                $this->join($def->directives, ' '),
+                                count($def->types ?? []) > 0
+                                    ? '= ' . $this->join($def->types, ' | ')
+                                    : '',
+                            ],
+                            ' '
+                        );
+                    }),
+
+                    NodeKind::ENUM_TYPE_DEFINITION => $this->addDescription(function (EnumTypeDefinitionNode $def) : string {
+                        return $this->join(
+                            [
+                                'enum',
+                                $def->name,
+                                $this->join($def->directives, ' '),
+                                $this->block($def->values),
+                            ],
+                            ' '
+                        );
+                    }),
+
+                    NodeKind::ENUM_VALUE_DEFINITION => $this->addDescription(function (EnumValueDefinitionNode $def) : string {
+                        return $this->join([$def->name, $this->join($def->directives, ' ')], ' ');
+                    }),
+
+                    NodeKind::INPUT_OBJECT_TYPE_DEFINITION => $this->addDescription(function (
+                        InputObjectTypeDefinitionNode $def
+                    ) : string {
+                        return $this->join(
+                            [
+                                'input',
+                                $def->name,
+                                $this->join($def->directives, ' '),
+                                $this->block($def->fields),
+                            ],
+                            ' '
+                        );
+                    }),
+
+                    NodeKind::SCHEMA_EXTENSION => function (SchemaTypeExtensionNode $def) : string {
+                        return $this->join(
+                            [
+                                'extend schema',
+                                $this->join($def->directives, ' '),
+                                $this->block($def->operationTypes),
+                            ],
+                            ' '
+                        );
+                    },
+
+                    NodeKind::SCALAR_TYPE_EXTENSION => function (ScalarTypeExtensionNode $def) : string {
+                        return $this->join(
+                            [
+                                'extend scalar',
+                                $def->name,
+                                $this->join($def->directives, ' '),
+                            ],
+                            ' '
+                        );
+                    },
+
+                    NodeKind::OBJECT_TYPE_EXTENSION => function (ObjectTypeExtensionNode $def) : string {
+                        return $this->join(
+                            [
+                                'extend type',
+                                $def->name,
+                                $this->wrap('implements ', $this->join($def->interfaces, ' & ')),
+                                $this->join($def->directives, ' '),
+                                $this->block($def->fields),
+                            ],
+                            ' '
+                        );
+                    },
+
+                    NodeKind::INTERFACE_TYPE_EXTENSION => function (InterfaceTypeExtensionNode $def) : string {
+                        return $this->join(
+                            [
+                                'extend interface',
+                                $def->name,
+                                $this->wrap('implements ', $this->join($def->interfaces, ' & ')),
+                                $this->join($def->directives, ' '),
+                                $this->block($def->fields),
+                            ],
+                            ' '
+                        );
+                    },
+
+                    NodeKind::UNION_TYPE_EXTENSION => function (UnionTypeExtensionNode $def) : string {
+                        return $this->join(
+                            [
+                                'extend union',
+                                $def->name,
+                                $this->join($def->directives, ' '),
+                                count($def->types ?? []) > 0
+                                    ? '= ' . $this->join($def->types, ' | ')
+                                    : '',
+                            ],
+                            ' '
+                        );
+                    },
+
+                    NodeKind::ENUM_TYPE_EXTENSION => function (EnumTypeExtensionNode $def) : string {
+                        return $this->join(
+                            [
+                                'extend enum',
+                                $def->name,
+                                $this->join($def->directives, ' '),
+                                $this->block($def->values),
+                            ],
+                            ' '
+                        );
+                    },
+
+                    NodeKind::INPUT_OBJECT_TYPE_EXTENSION => function (InputObjectTypeExtensionNode $def) : string {
+                        return $this->join(
+                            [
+                                'extend input',
+                                $def->name,
+                                $this->join($def->directives, ' '),
+                                $this->block($def->fields),
+                            ],
+                            ' '
+                        );
+                    },
+
+                    NodeKind::DIRECTIVE_DEFINITION => $this->addDescription(function (DirectiveDefinitionNode $def) : string {
+                        $noIndent = Utils::every($def->arguments, static function (string $arg) : bool {
+                            return strpos($arg, "\n") === false;
+                        });
+
+                        return 'directive @'
+                            . $def->name
+                            . ($noIndent
+                                ? $this->wrap('(', $this->join($def->arguments, ', '), ')')
+                                : $this->wrap("(\n", $this->indent($this->join($def->arguments, "\n")), "\n"))
+                            . ($def->repeatable ? ' repeatable' : '')
+                            . ' on ' . $this->join($def->locations, ' | ');
+                    }),
+                ],
             ]
-        ]);
+        );
+    }
+
+    public function addDescription(callable $cb)
+    {
+        return function ($node) use ($cb) : string {
+            return $this->join([$node->description, $cb($node)], "\n");
+        };
     }
 
     /**
@@ -277,12 +488,14 @@ class Printer
      */
     public function block($array)
     {
-        return $array && $this->length($array) ? $this->indent("{\n" . $this->join($array, "\n")) . "\n}" : '{}';
+        return $array && $this->length($array)
+            ? "{\n" . $this->indent($this->join($array, "\n")) . "\n}"
+            : '';
     }
 
     public function indent($maybeString)
     {
-        return $maybeString ? str_replace("\n", "\n  ", $maybeString) : '';
+        return $maybeString ? '  ' . str_replace("\n", "\n  ", $maybeString) : '';
     }
 
     public function manyList($start, $list, $separator, $end)
@@ -295,16 +508,32 @@ class Printer
         return $maybeArray ? count($maybeArray) : 0;
     }
 
-    public function join($maybeArray, $separator = '')
+    public function join($maybeArray, $separator = '') : string
     {
         return $maybeArray
             ? implode(
                 $separator,
                 Utils::filter(
                     $maybeArray,
-                    function($x) { return !!$x;}
+                    static function ($x) : bool {
+                        return (bool) $x;
+                    }
                 )
             )
             : '';
     }
+
+    /**
+     * Print a block string in the indented block form by adding a leading and
+     * trailing blank line. However, if a block string starts with whitespace and is
+     * a single-line, adding a leading blank line would strip that whitespace.
+     */
+    private function printBlockString($value, $isDescription)
+    {
+        $escaped = str_replace('"""', '\\"""', $value);
+
+        return ($value[0] === ' ' || $value[0] === "\t") && strpos($value, "\n") === false
+            ? ('"""' . preg_replace('/"$/', "\"\n", $escaped) . '"""')
+            : ('"""' . "\n" . ($isDescription ? $escaped : $this->indent($escaped)) . "\n" . '"""');
+    }
 }

system/3rd_party/graphql-php/Language/Source.php

@@ -1,37 +1,32 @@
 <?php
+
+declare(strict_types=1);
+
 namespace GraphQL\Language;
 
 use GraphQL\Utils\Utils;
+use function is_string;
+use function json_decode;
+use function mb_strlen;
+use function mb_substr;
+use function preg_match_all;
+use const PREG_OFFSET_CAPTURE;
 
-/**
- * Class Source
- * @package GraphQL\Language
- */
 class Source
 {
-    /**
-     * @var string
-     */
+    /** @var string */
     public $body;
 
-    /**
-     * @var int
-     */
+    /** @var int */
     public $length;
 
-    /**
-     * @var string
-     */
+    /** @var string */
     public $name;
 
-    /**
-     * @var SourceLocation
-     */
+    /** @var SourceLocation */
     public $locationOffset;
 
     /**
-     * Source constructor.
-     *
      * A representation of source input to GraphQL.
      * `name` and `locationOffset` are optional. They are useful for clients who
      * store GraphQL documents in source files; for example, if the GraphQL input
@@ -39,21 +34,20 @@ class Source
      * be "Foo.graphql" and location to be `{ line: 40, column: 0 }`.
      * line and column in locationOffset are 1-indexed
      *
-     * @param $body
-     * @param null $name
-     * @param SourceLocation|null $location
+     * @param string      $body
+     * @param string|null $name
      */
-    public function __construct($body, $name = null, SourceLocation $location = null)
+    public function __construct($body, $name = null, ?SourceLocation $location = null)
     {
         Utils::invariant(
             is_string($body),
             'GraphQL query body is expected to be string, but got ' . Utils::getVariableType($body)
         );
 
-        $this->body = $body;
-        $this->length = mb_strlen($body, 'UTF-8');
-        $this->name = $name ?: 'GraphQL';
-        $this->locationOffset = $location ?: new SourceLocation(1, 1);
+        $this->body           = $body;
+        $this->length         = mb_strlen($body, 'UTF-8');
+        $this->name           = $name === '' || $name === null ? 'GraphQL request' : $name;
+        $this->locationOffset = $location ?? new SourceLocation(1, 1);
 
         Utils::invariant(
             $this->locationOffset->line > 0,
@@ -66,21 +60,23 @@ class Source
     }
 
     /**
-     * @param $position
+     * @param int $position
+     *
      * @return SourceLocation
      */
     public function getLocation($position)
     {
-        $line = 1;
+        $line   = 1;
         $column = $position + 1;
 
-        $utfChars = json_decode('"\u2028\u2029"');
-        $lineRegexp = '/\r\n|[\n\r'.$utfChars.']/su';
-        $matches = [];
+        $utfChars   = json_decode('"\u2028\u2029"');
+        $lineRegexp = '/\r\n|[\n\r' . $utfChars . ']/su';
+        $matches    = [];
         preg_match_all($lineRegexp, mb_substr($this->body, 0, $position, 'UTF-8'), $matches, PREG_OFFSET_CAPTURE);
 
         foreach ($matches[0] as $index => $match) {
             $line += 1;
+
             $column = $position + 1 - ($match[1] + mb_strlen($match[0], 'UTF-8'));
         }
 

system/3rd_party/graphql-php/Language/SourceLocation.php

@@ -1,30 +1,42 @@
 <?php
+
+declare(strict_types=1);
+
 namespace GraphQL\Language;
 
-class SourceLocation implements \JsonSerializable
+use JsonSerializable;
+
+class SourceLocation implements JsonSerializable
 {
+    /** @var int */
     public $line;
+
+    /** @var int */
     public $column;
 
+    /**
+     * @param int $line
+     * @param int $col
+     */
     public function __construct($line, $col)
     {
-        $this->line = $line;
+        $this->line   = $line;
         $this->column = $col;
     }
 
     /**
-     * @return array
+     * @return int[]
      */
     public function toArray()
     {
         return [
-            'line' => $this->line,
-            'column' => $this->column
+            'line'   => $this->line,
+            'column' => $this->column,
         ];
     }
 
     /**
-     * @return array
+     * @return int[]
      */
     public function toSerializableArray()
     {
@@ -32,13 +44,9 @@ class SourceLocation implements \JsonSerializable
     }
 
     /**
-     * Specify data which should be serialized to JSON
-     * @link http://php.net/manual/en/jsonserializable.jsonserialize.php
-     * @return mixed data which can be serialized by <b>json_encode</b>,
-     * which is a value of any type other than a resource.
-     * @since 5.4.0
+     * @return int[]
      */
-    function jsonSerialize()
+    public function jsonSerialize()
     {
         return $this->toSerializableArray();
     }

system/3rd_party/graphql-php/Language/Token.php

@@ -1,4 +1,7 @@
 <?php
+
+declare(strict_types=1);
+
 namespace GraphQL\Language;
 
 /**
@@ -8,59 +11,28 @@ namespace GraphQL\Language;
 class Token
 {
     // Each kind of token.
-    const SOF = '<SOF>';
-    const EOF = '<EOF>';
-    const BANG = '!';
-    const DOLLAR = '$';
-    const PAREN_L = '(';
-    const PAREN_R = ')';
-    const SPREAD = '...';
-    const COLON = ':';
-    const EQUALS = '=';
-    const AT = '@';
-    const BRACKET_L = '[';
-    const BRACKET_R = ']';
-    const BRACE_L = '{';
-    const PIPE = '|';
-    const BRACE_R = '}';
-    const NAME = 'Name';
-    const INT = 'Int';
-    const FLOAT = 'Float';
-    const STRING = 'String';
-    const COMMENT = 'Comment';
-
-    /**
-     * @param $kind
-     * @return mixed
-     */
-    public static function getKindDescription($kind)
-    {
-        trigger_error('Deprecated as of 16.10.2016 ($kind itself contains description string now)', E_USER_DEPRECATED);
-
-        $description = [];
-        $description[self::SOF] = '<SOF>';
-        $description[self::EOF] = '<EOF>';
-        $description[self::BANG] = '!';
-        $description[self::DOLLAR] = '$';
-        $description[self::PAREN_L] = '(';
-        $description[self::PAREN_R] = ')';
-        $description[self::SPREAD] = '...';
-        $description[self::COLON] = ':';
-        $description[self::EQUALS] = '=';
-        $description[self::AT] = '@';
-        $description[self::BRACKET_L] = '[';
-        $description[self::BRACKET_R] = ']';
-        $description[self::BRACE_L] = '{';
-        $description[self::PIPE] = '|';
-        $description[self::BRACE_R] = '}';
-        $description[self::NAME] = 'Name';
-        $description[self::INT] = 'Int';
-        $description[self::FLOAT] = 'Float';
-        $description[self::STRING] = 'String';
-        $description[self::COMMENT] = 'Comment';
-
-        return $description[$kind];
-    }
+    public const SOF          = '<SOF>';
+    public const EOF          = '<EOF>';
+    public const BANG         = '!';
+    public const DOLLAR       = '$';
+    public const AMP          = '&';
+    public const PAREN_L      = '(';
+    public const PAREN_R      = ')';
+    public const SPREAD       = '...';
+    public const COLON        = ':';
+    public const EQUALS       = '=';
+    public const AT           = '@';
+    public const BRACKET_L    = '[';
+    public const BRACKET_R    = ']';
+    public const BRACE_L      = '{';
+    public const PIPE         = '|';
+    public const BRACE_R      = '}';
+    public const NAME         = 'Name';
+    public const INT          = 'Int';
+    public const FLOAT        = 'Float';
+    public const STRING       = 'String';
+    public const BLOCK_STRING = 'BlockString';
+    public const COMMENT      = 'Comment';
 
     /**
      * The kind of Token (see one of constants above).
@@ -97,9 +69,7 @@ class Token
      */
     public $column;
 
-    /**
-     * @var string|null
-     */
+    /** @var string|null */
     public $value;
 
     /**
@@ -111,51 +81,39 @@ class Token
      */
     public $prev;
 
-    /**
-     * @var Token
-     */
+    /** @var Token|null */
     public $next;
 
     /**
-     * Token constructor.
-     * @param $kind
-     * @param $start
-     * @param $end
-     * @param $line
-     * @param $column
-     * @param Token $previous
-     * @param null $value
+     * @param mixed $value
      */
-    public function __construct($kind, $start, $end, $line, $column, Token $previous = null, $value = null)
+    public function __construct(string $kind, int $start, int $end, int $line, int $column, ?Token $previous = null, $value = null)
     {
-        $this->kind = $kind;
-        $this->start = (int) $start;
-        $this->end = (int) $end;
-        $this->line = (int) $line;
-        $this->column = (int) $column;
-        $this->prev = $previous;
-        $this->next = null;
-        $this->value = $value;
+        $this->kind   = $kind;
+        $this->start  = $start;
+        $this->end    = $end;
+        $this->line   = $line;
+        $this->column = $column;
+        $this->prev   = $previous;
+        $this->next   = null;
+        $this->value  = $value;
+    }
+
+    public function getDescription() : string
+    {
+        return $this->kind . ($this->value === null ? '' : ' "' . $this->value . '"');
     }
 
     /**
-     * @return string
+     * @return (string|int|null)[]
      */
-    public function getDescription()
-    {
-        return $this->kind . ($this->value ? ' "' . $this->value  . '"' : '');
-    }
-
-    /**
-     * @return array
-     */
-    public function toArray()
+    public function toArray() : array
     {
         return [
-            'kind' => $this->kind,
-            'value' => $this->value,
-            'line' => $this->line,
-            'column' => $this->column
+            'kind'   => $this->kind,
+            'value'  => $this->value,
+            'line'   => $this->line,
+            'column' => $this->column,
         ];
     }
 }

system/3rd_party/graphql-php/Language/Visitor.php

@@ -1,19 +1,24 @@
 <?php
+
+declare(strict_types=1);
+
 namespace GraphQL\Language;
 
+use ArrayObject;
+use Exception;
 use GraphQL\Language\AST\Node;
 use GraphQL\Language\AST\NodeKind;
 use GraphQL\Language\AST\NodeList;
 use GraphQL\Utils\TypeInfo;
-
-class VisitorOperation
-{
-    public $doBreak;
-
-    public $doContinue;
-
-    public $removeNode;
-}
+use SplFixedArray;
+use stdClass;
+use function array_pop;
+use function array_splice;
+use function count;
+use function func_get_args;
+use function is_array;
+use function is_callable;
+use function json_encode;
 
 /**
  * Utility for efficient AST traversal and modification.
@@ -104,84 +109,105 @@ class VisitorOperation
  */
 class Visitor
 {
+    /** @var string[][] */
     public static $visitorKeys = [
-        NodeKind::NAME => [],
-        NodeKind::DOCUMENT => ['definitions'],
+        NodeKind::NAME                 => [],
+        NodeKind::DOCUMENT             => ['definitions'],
         NodeKind::OPERATION_DEFINITION => ['name', 'variableDefinitions', 'directives', 'selectionSet'],
-        NodeKind::VARIABLE_DEFINITION => ['variable', 'type', 'defaultValue'],
-        NodeKind::VARIABLE => ['name'],
-        NodeKind::SELECTION_SET => ['selections'],
-        NodeKind::FIELD => ['alias', 'name', 'arguments', 'directives', 'selectionSet'],
-        NodeKind::ARGUMENT => ['name', 'value'],
-        NodeKind::FRAGMENT_SPREAD => ['name', 'directives'],
-        NodeKind::INLINE_FRAGMENT => ['typeCondition', 'directives', 'selectionSet'],
-        NodeKind::FRAGMENT_DEFINITION => ['name', 'typeCondition', 'directives', 'selectionSet'],
+        NodeKind::VARIABLE_DEFINITION  => ['variable', 'type', 'defaultValue', 'directives'],
+        NodeKind::VARIABLE             => ['name'],
+        NodeKind::SELECTION_SET        => ['selections'],
+        NodeKind::FIELD                => ['alias', 'name', 'arguments', 'directives', 'selectionSet'],
+        NodeKind::ARGUMENT             => ['name', 'value'],
+        NodeKind::FRAGMENT_SPREAD      => ['name', 'directives'],
+        NodeKind::INLINE_FRAGMENT      => ['typeCondition', 'directives', 'selectionSet'],
+        NodeKind::FRAGMENT_DEFINITION  => [
+            'name',
+            // Note: fragment variable definitions are experimental and may be changed
+            // or removed in the future.
+            'variableDefinitions',
+            'typeCondition',
+            'directives',
+            'selectionSet',
+        ],
 
-        NodeKind::INT => [],
-        NodeKind::FLOAT => [],
-        NodeKind::STRING => [],
-        NodeKind::BOOLEAN => [],
-        NodeKind::NULL => [],
-        NodeKind::ENUM => [],
-        NodeKind::LST => ['values'],
-        NodeKind::OBJECT => ['fields'],
-        NodeKind::OBJECT_FIELD => ['name', 'value'],
-        NodeKind::DIRECTIVE => ['name', 'arguments'],
-        NodeKind::NAMED_TYPE => ['name'],
-        NodeKind::LIST_TYPE => ['type'],
+        NodeKind::INT           => [],
+        NodeKind::FLOAT         => [],
+        NodeKind::STRING        => [],
+        NodeKind::BOOLEAN       => [],
+        NodeKind::NULL          => [],
+        NodeKind::ENUM          => [],
+        NodeKind::LST           => ['values'],
+        NodeKind::OBJECT        => ['fields'],
+        NodeKind::OBJECT_FIELD  => ['name', 'value'],
+        NodeKind::DIRECTIVE     => ['name', 'arguments'],
+        NodeKind::NAMED_TYPE    => ['name'],
+        NodeKind::LIST_TYPE     => ['type'],
         NodeKind::NON_NULL_TYPE => ['type'],
 
-        NodeKind::SCHEMA_DEFINITION => ['directives', 'operationTypes'],
-        NodeKind::OPERATION_TYPE_DEFINITION => ['type'],
-        NodeKind::SCALAR_TYPE_DEFINITION => ['name', 'directives'],
-        NodeKind::OBJECT_TYPE_DEFINITION => ['name', 'interfaces', 'directives', 'fields'],
-        NodeKind::FIELD_DEFINITION => ['name', 'arguments', 'type', 'directives'],
-        NodeKind::INPUT_VALUE_DEFINITION => ['name', 'type', 'defaultValue', 'directives'],
-        NodeKind::INTERFACE_TYPE_DEFINITION => [ 'name', 'directives', 'fields' ],
-        NodeKind::UNION_TYPE_DEFINITION => [ 'name', 'directives', 'types' ],
-        NodeKind::ENUM_TYPE_DEFINITION => [ 'name', 'directives', 'values' ],
-        NodeKind::ENUM_VALUE_DEFINITION => [ 'name', 'directives' ],
-        NodeKind::INPUT_OBJECT_TYPE_DEFINITION => [ 'name', 'directives', 'fields' ],
-        NodeKind::TYPE_EXTENSION_DEFINITION => [ 'definition' ],
-        NodeKind::DIRECTIVE_DEFINITION => [ 'name', 'arguments', 'locations' ]
+        NodeKind::SCHEMA_DEFINITION            => ['directives', 'operationTypes'],
+        NodeKind::OPERATION_TYPE_DEFINITION    => ['type'],
+        NodeKind::SCALAR_TYPE_DEFINITION       => ['description', 'name', 'directives'],
+        NodeKind::OBJECT_TYPE_DEFINITION       => ['description', 'name', 'interfaces', 'directives', 'fields'],
+        NodeKind::FIELD_DEFINITION             => ['description', 'name', 'arguments', 'type', 'directives'],
+        NodeKind::INPUT_VALUE_DEFINITION       => ['description', 'name', 'type', 'defaultValue', 'directives'],
+        NodeKind::INTERFACE_TYPE_DEFINITION    => ['description', 'name', 'interfaces', 'directives', 'fields'],
+        NodeKind::UNION_TYPE_DEFINITION        => ['description', 'name', 'directives', 'types'],
+        NodeKind::ENUM_TYPE_DEFINITION         => ['description', 'name', 'directives', 'values'],
+        NodeKind::ENUM_VALUE_DEFINITION        => ['description', 'name', 'directives'],
+        NodeKind::INPUT_OBJECT_TYPE_DEFINITION => ['description', 'name', 'directives', 'fields'],
+
+        NodeKind::SCALAR_TYPE_EXTENSION       => ['name', 'directives'],
+        NodeKind::OBJECT_TYPE_EXTENSION       => ['name', 'interfaces', 'directives', 'fields'],
+        NodeKind::INTERFACE_TYPE_EXTENSION    => ['name', 'interfaces', 'directives', 'fields'],
+        NodeKind::UNION_TYPE_EXTENSION        => ['name', 'directives', 'types'],
+        NodeKind::ENUM_TYPE_EXTENSION         => ['name', 'directives', 'values'],
+        NodeKind::INPUT_OBJECT_TYPE_EXTENSION => ['name', 'directives', 'fields'],
+
+        NodeKind::DIRECTIVE_DEFINITION => ['description', 'name', 'arguments', 'locations'],
+
+        NodeKind::SCHEMA_EXTENSION => ['directives', 'operationTypes'],
     ];
 
     /**
      * Visit the AST (see class description for details)
      *
-     * @api
-     * @param Node $root
-     * @param array $visitor
-     * @param array $keyMap
+     * @param Node|ArrayObject|stdClass $root
+     * @param callable[]                $visitor
+     * @param mixed[]|null              $keyMap
+     *
      * @return Node|mixed
-     * @throws \Exception
+     *
+     * @throws Exception
+     *
+     * @api
      */
     public static function visit($root, $visitor, $keyMap = null)
     {
-        $visitorKeys = $keyMap ?: self::$visitorKeys;
+        $visitorKeys = $keyMap ?? self::$visitorKeys;
 
-        $stack = null;
-        $inArray = $root instanceof NodeList || is_array($root);
-        $keys = [$root];
-        $index = -1;
-        $edits = [];
-        $parent = null;
-        $path = [];
+        $stack     = null;
+        $inArray   = $root instanceof NodeList || is_array($root);
+        $keys      = [$root];
+        $index     = -1;
+        $edits     = [];
+        $parent    = null;
+        $path      = [];
         $ancestors = [];
-        $newRoot = $root;
+        $newRoot   = $root;
 
         $UNDEFINED = null;
 
         do {
             $index++;
             $isLeaving = $index === count($keys);
-            $key = null;
-            $node = null;
-            $isEdited = $isLeaving && count($edits) !== 0;
+            $key       = null;
+            $node      = null;
+            $isEdited  = $isLeaving && count($edits) > 0;
 
             if ($isLeaving) {
-                $key = count($ancestors) === 0 ? $UNDEFINED : array_pop($path);
-                $node = $parent;
+                $key    = ! $ancestors ? $UNDEFINED : $path[count($path) - 1];
+                $node   = $parent;
                 $parent = array_pop($ancestors);
 
                 if ($isEdited) {
@@ -195,18 +221,14 @@ class Visitor
                     }
                     $editOffset = 0;
                     for ($ii = 0; $ii < count($edits); $ii++) {
-                        $editKey = $edits[$ii][0];
+                        $editKey   = $edits[$ii][0];
                         $editValue = $edits[$ii][1];
 
                         if ($inArray) {
                             $editKey -= $editOffset;
                         }
                         if ($inArray && $editValue === null) {
-                            if ($node instanceof NodeList) {
-                                $node->splice($editKey, 1);
-                            } else {
-                                array_splice($node, $editKey, 1);
-                            }
+                            $node->splice($editKey, 1);
                             $editOffset++;
                         } else {
                             if ($node instanceof NodeList || is_array($node)) {
@@ -217,39 +239,50 @@ class Visitor
                         }
                     }
                 }
-                $index = $stack['index'];
-                $keys = $stack['keys'];
-                $edits = $stack['edits'];
+                $index   = $stack['index'];
+                $keys    = $stack['keys'];
+                $edits   = $stack['edits'];
                 $inArray = $stack['inArray'];
-                $stack = $stack['prev'];
+                $stack   = $stack['prev'];
             } else {
-                $key = $parent ? ($inArray ? $index : $keys[$index]) : $UNDEFINED;
-                $node = $parent ? (($parent instanceof NodeList || is_array($parent)) ? $parent[$key] : $parent->{$key}) : $newRoot;
+                $key  = $parent !== null
+                    ? ($inArray
+                        ? $index
+                        : $keys[$index]
+                    )
+                    : $UNDEFINED;
+                $node = $parent !== null
+                    ? ($parent instanceof NodeList || is_array($parent)
+                        ? $parent[$key]
+                        : $parent->{$key}
+                    )
+                    : $newRoot;
                 if ($node === null || $node === $UNDEFINED) {
                     continue;
                 }
-                if ($parent) {
+                if ($parent !== null) {
                     $path[] = $key;
                 }
             }
 
             $result = null;
-            if (!$node instanceof NodeList && !is_array($node)) {
-                if (!($node instanceof Node)) {
-                    throw new \Exception('Invalid AST Node: ' . json_encode($node));
+            if (! $node instanceof NodeList && ! is_array($node)) {
+                if (! ($node instanceof Node)) {
+                    throw new Exception('Invalid AST Node: ' . json_encode($node));
                 }
 
                 $visitFn = self::getVisitFn($visitor, $node->kind, $isLeaving);
 
-                if ($visitFn) {
-                    $result = call_user_func($visitFn, $node, $key, $parent, $path, $ancestors);
+                if ($visitFn !== null) {
+                    $result    = $visitFn($node, $key, $parent, $path, $ancestors);
+                    $editValue = null;
 
                     if ($result !== null) {
                         if ($result instanceof VisitorOperation) {
                             if ($result->doBreak) {
                                 break;
                             }
-                            if (!$isLeaving && $result->doContinue) {
+                            if (! $isLeaving && $result->doContinue) {
                                 array_pop($path);
                                 continue;
                             }
@@ -261,13 +294,13 @@ class Visitor
                         }
 
                         $edits[] = [$key, $editValue];
-                        if (!$isLeaving) {
-                            if ($editValue instanceof Node) {
-                                $node = $editValue;
-                            } else {
+                        if (! $isLeaving) {
+                            if (! ($editValue instanceof Node)) {
                                 array_pop($path);
                                 continue;
                             }
+
+                            $node = $editValue;
                         }
                     }
                 }
@@ -277,28 +310,29 @@ class Visitor
                 $edits[] = [$key, $node];
             }
 
-            if (!$isLeaving) {
-                $stack = [
+            if ($isLeaving) {
+                array_pop($path);
+            } else {
+                $stack   = [
                     'inArray' => $inArray,
-                    'index' => $index,
-                    'keys' => $keys,
-                    'edits' => $edits,
-                    'prev' => $stack
+                    'index'   => $index,
+                    'keys'    => $keys,
+                    'edits'   => $edits,
+                    'prev'    => $stack,
                 ];
                 $inArray = $node instanceof NodeList || is_array($node);
 
-                $keys = ($inArray ? $node : $visitorKeys[$node->kind]) ?: [];
+                $keys  = ($inArray ? $node : $visitorKeys[$node->kind]) ?? [];
                 $index = -1;
                 $edits = [];
-                if ($parent) {
+                if ($parent !== null) {
                     $ancestors[] = $parent;
                 }
                 $parent = $node;
             }
-
         } while ($stack);
 
-        if (count($edits) !== 0) {
+        if (count($edits) > 0) {
             $newRoot = $edits[0][1];
         }
 
@@ -308,97 +342,116 @@ class Visitor
     /**
      * Returns marker for visitor break
      *
-     * @api
      * @return VisitorOperation
+     *
+     * @api
      */
     public static function stop()
     {
-        $r = new VisitorOperation();
+        $r          = new VisitorOperation();
         $r->doBreak = true;
+
         return $r;
     }
 
     /**
      * Returns marker for skipping current node
      *
-     * @api
      * @return VisitorOperation
+     *
+     * @api
      */
     public static function skipNode()
     {
-        $r = new VisitorOperation();
+        $r             = new VisitorOperation();
         $r->doContinue = true;
+
         return $r;
     }
 
     /**
      * Returns marker for removing a node
      *
-     * @api
      * @return VisitorOperation
+     *
+     * @api
      */
     public static function removeNode()
     {
-        $r = new VisitorOperation();
+        $r             = new VisitorOperation();
         $r->removeNode = true;
+
         return $r;
     }
 
     /**
-     * @param $visitors
-     * @return array
+     * @param callable[][] $visitors
+     *
+     * @return array<string, callable>
      */
-    static function visitInParallel($visitors)
+    public static function visitInParallel($visitors)
     {
         $visitorsCount = count($visitors);
-        $skipping = new \SplFixedArray($visitorsCount);
+        $skipping      = new SplFixedArray($visitorsCount);
 
         return [
-            'enter' => function ($node) use ($visitors, $skipping, $visitorsCount) {
+            'enter' => static function (Node $node) use ($visitors, $skipping, $visitorsCount) {
                 for ($i = 0; $i < $visitorsCount; $i++) {
-                    if (empty($skipping[$i])) {
-                        $fn = self::getVisitFn($visitors[$i], $node->kind, /* isLeaving */ false);
+                    if ($skipping[$i] !== null) {
+                        continue;
+                    }
 
-                        if ($fn) {
-                            $result = call_user_func_array($fn, func_get_args());
+                    $fn = self::getVisitFn(
+                        $visitors[$i],
+                        $node->kind, /* isLeaving */
+                        false
+                    );
 
-                            if ($result instanceof VisitorOperation) {
-                                if ($result->doContinue) {
-                                    $skipping[$i] = $node;
-                                } else if ($result->doBreak) {
-                                    $skipping[$i] = $result;
-                                } else if ($result->removeNode) {
-                                    return $result;
-                                }
-                            } else if ($result !== null) {
-                                return $result;
-                            }
+                    if (! $fn) {
+                        continue;
+                    }
+
+                    $result = $fn(...func_get_args());
+
+                    if ($result instanceof VisitorOperation) {
+                        if ($result->doContinue) {
+                            $skipping[$i] = $node;
+                        } elseif ($result->doBreak) {
+                            $skipping[$i] = $result;
+                        } elseif ($result->removeNode) {
+                            return $result;
                         }
+                    } elseif ($result !== null) {
+                        return $result;
                     }
                 }
             },
-            'leave' => function ($node) use ($visitors, $skipping, $visitorsCount) {
+            'leave' => static function (Node $node) use ($visitors, $skipping, $visitorsCount) {
                 for ($i = 0; $i < $visitorsCount; $i++) {
-                    if (empty($skipping[$i])) {
-                        $fn = self::getVisitFn($visitors[$i], $node->kind, /* isLeaving */ true);
+                    if ($skipping[$i] === null) {
+                        $fn = self::getVisitFn(
+                            $visitors[$i],
+                            $node->kind, /* isLeaving */
+                            true
+                        );
 
-                        if ($fn) {
-                            $result = call_user_func_array($fn, func_get_args());
+                        if (isset($fn)) {
+                            $result = $fn(...func_get_args());
                             if ($result instanceof VisitorOperation) {
                                 if ($result->doBreak) {
                                     $skipping[$i] = $result;
-                                } else if ($result->removeNode) {
+                                } elseif ($result->removeNode) {
                                     return $result;
                                 }
-                            } else if ($result !== null) {
+                            } elseif ($result !== null) {
                                 return $result;
                             }
                         }
-                    } else if ($skipping[$i] === $node) {
+                    } elseif ($skipping[$i] === $node) {
                         $skipping[$i] = null;
                     }
                 }
-            }
+            },
         ];
     }
 
@@ -406,81 +459,80 @@ class Visitor
      * Creates a new visitor instance which maintains a provided TypeInfo instance
      * along with visiting visitor.
      */
-    static function visitWithTypeInfo(TypeInfo $typeInfo, $visitor)
+    public static function visitWithTypeInfo(TypeInfo $typeInfo, $visitor)
     {
         return [
-            'enter' => function ($node) use ($typeInfo, $visitor) {
+            'enter' => static function (Node $node) use ($typeInfo, $visitor) {
                 $typeInfo->enter($node);
                 $fn = self::getVisitFn($visitor, $node->kind, false);
 
-                if ($fn) {
-                    $result = call_user_func_array($fn, func_get_args());
-                    if ($result) {
+                if (isset($fn)) {
+                    $result = $fn(...func_get_args());
+                    if ($result !== null) {
                         $typeInfo->leave($node);
                         if ($result instanceof Node) {
                             $typeInfo->enter($result);
                         }
                     }
+
                     return $result;
                 }
+
                 return null;
             },
-            'leave' => function ($node) use ($typeInfo, $visitor) {
-                $fn = self::getVisitFn($visitor, $node->kind, true);
-                $result = $fn ? call_user_func_array($fn, func_get_args()) : null;
+            'leave' => static function (Node $node) use ($typeInfo, $visitor) {
+                $fn     = self::getVisitFn($visitor, $node->kind, true);
+                $result = $fn !== null
+                    ? $fn(...func_get_args())
+                    : null;
+
                 $typeInfo->leave($node);
+
                 return $result;
-            }
+            },
         ];
     }
 
     /**
-     * @param $visitor
-     * @param $kind
-     * @param $isLeaving
-     * @return null
+     * @param callable[]|null $visitor
+     * @param string          $kind
+     * @param bool            $isLeaving
      */
-    public static function getVisitFn($visitor, $kind, $isLeaving)
+    public static function getVisitFn($visitor, $kind, $isLeaving) : ?callable
     {
-        if (!$visitor) {
+        if ($visitor === null) {
             return null;
         }
-        $kindVisitor = isset($visitor[$kind]) ? $visitor[$kind] : null;
 
-        if (!$isLeaving && is_callable($kindVisitor)) {
-            // { Kind() {} }
-            return $kindVisitor;
-        }
+        $kindVisitor = $visitor[$kind] ?? null;
 
         if (is_array($kindVisitor)) {
             if ($isLeaving) {
-                $kindSpecificVisitor = isset($kindVisitor['leave']) ? $kindVisitor['leave'] : null;
+                $kindSpecificVisitor = $kindVisitor['leave'] ?? null;
             } else {
-                $kindSpecificVisitor = isset($kindVisitor['enter']) ? $kindVisitor['enter'] : null;
+                $kindSpecificVisitor = $kindVisitor['enter'] ?? null;
             }
 
-            if ($kindSpecificVisitor && is_callable($kindSpecificVisitor)) {
-                // { Kind: { enter() {}, leave() {} } }
-                return $kindSpecificVisitor;
-            }
-            return null;
+            return $kindSpecificVisitor;
+        }
+
+        if ($kindVisitor !== null && ! $isLeaving) {
+            return $kindVisitor;
         }
 
         $visitor += ['leave' => null, 'enter' => null];
+
         $specificVisitor = $isLeaving ? $visitor['leave'] : $visitor['enter'];
 
-        if ($specificVisitor) {
-            if (is_callable($specificVisitor)) {
+        if (isset($specificVisitor)) {
+            if (! is_array($specificVisitor)) {
                 // { enter() {}, leave() {} }
                 return $specificVisitor;
             }
-            $specificKindVisitor = isset($specificVisitor[$kind]) ? $specificVisitor[$kind] : null;
 
-            if (is_callable($specificKindVisitor)) {
-                // { enter: { Kind() {} }, leave: { Kind() {} } }
-                return $specificKindVisitor;
-            }
+            return $specificVisitor[$kind] ?? null;
         }
+
         return null;
     }
 }

system/3rd_party/graphql-php/Language/VisitorOperation.php

@@ -0,0 +1,17 @@
+<?php
+
+declare(strict_types=1);
+
+namespace GraphQL\Language;
+
+class VisitorOperation
+{
+    /** @var bool */
+    public $doBreak;
+
+    /** @var bool */
+    public $doContinue;
+
+    /** @var bool */
+    public $removeNode;
+}