import type {
ASTNode,
ConstValueNode,
DefinitionNode,
ExecutableDefinitionNode,
NullabilityAssertionNode,
SelectionNode,
TypeDefinitionNode,
TypeExtensionNode,
TypeNode,
TypeSystemDefinitionNode,
TypeSystemExtensionNode,
ValueNode,
} from './ast.js';
import { Kind } from './kinds.js';
export function isDefinitionNode(node: ASTNode): node is DefinitionNode {
return (
isExecutableDefinitionNode(node) ||
isTypeSystemDefinitionNode(node) ||
isTypeSystemExtensionNode(node)
);
}
export function isExecutableDefinitionNode(
node: ASTNode,
): node is ExecutableDefinitionNode {
return (
node.kind === Kind.OPERATION_DEFINITION ||
node.kind === Kind.FRAGMENT_DEFINITION
);
}
export function isSelectionNode(node: ASTNode): node is SelectionNode {
return (
node.kind === Kind.FIELD ||
node.kind === Kind.FRAGMENT_SPREAD ||
node.kind === Kind.INLINE_FRAGMENT
);
}
export function isNullabilityAssertionNode(
node: ASTNode,
): node is NullabilityAssertionNode {
return (
node.kind === Kind.LIST_NULLABILITY_OPERATOR ||
node.kind === Kind.NON_NULL_ASSERTION ||
node.kind === Kind.ERROR_BOUNDARY
);
}
export function isValueNode(node: ASTNode): node is ValueNode {
return (
node.kind === Kind.VARIABLE ||
node.kind === Kind.INT ||
node.kind === Kind.FLOAT ||
node.kind === Kind.STRING ||
node.kind === Kind.BOOLEAN ||
node.kind === Kind.NULL ||
node.kind === Kind.ENUM ||
node.kind === Kind.LIST ||
node.kind === Kind.OBJECT
);
}
export function isConstValueNode(node: ASTNode): node is ConstValueNode {
return (
isValueNode(node) &&
(node.kind === Kind.LIST
? node.values.some(isConstValueNode)
: node.kind === Kind.OBJECT
? node.fields.some((field) => isConstValueNode(field.value))
: node.kind !== Kind.VARIABLE)
);
}
export function isTypeNode(node: ASTNode): node is TypeNode {
return (
node.kind === Kind.NAMED_TYPE ||
node.kind === Kind.LIST_TYPE ||
node.kind === Kind.NON_NULL_TYPE
);
}
export function isTypeSystemDefinitionNode(
node: ASTNode,
): node is TypeSystemDefinitionNode {
return (
node.kind === Kind.SCHEMA_DEFINITION ||
isTypeDefinitionNode(node) ||
node.kind === Kind.DIRECTIVE_DEFINITION
);
}
export function isTypeDefinitionNode(
node: ASTNode,
): node is TypeDefinitionNode {
return (
node.kind === Kind.SCALAR_TYPE_DEFINITION ||
node.kind === Kind.OBJECT_TYPE_DEFINITION ||
node.kind === Kind.INTERFACE_TYPE_DEFINITION ||
node.kind === Kind.UNION_TYPE_DEFINITION ||
node.kind === Kind.ENUM_TYPE_DEFINITION ||
node.kind === Kind.INPUT_OBJECT_TYPE_DEFINITION
);
}
export function isTypeSystemExtensionNode(
node: ASTNode,
): node is TypeSystemExtensionNode {
return node.kind === Kind.SCHEMA_EXTENSION || isTypeExtensionNode(node);
}
export function isTypeExtensionNode(node: ASTNode): node is TypeExtensionNode {
return (
node.kind === Kind.SCALAR_TYPE_EXTENSION ||
node.kind === Kind.OBJECT_TYPE_EXTENSION ||
node.kind === Kind.INTERFACE_TYPE_EXTENSION ||
node.kind === Kind.UNION_TYPE_EXTENSION ||
node.kind === Kind.ENUM_TYPE_EXTENSION ||
node.kind === Kind.INPUT_OBJECT_TYPE_EXTENSION
);
}