@graphql-tools/graphql/esm/language/predicates.js

Fork of GraphQL.js

import { Kind } from './kinds.js';
export function isDefinitionNode(node) {
    return isExecutableDefinitionNode(node) || isTypeSystemDefinitionNode(node) || isTypeSystemExtensionNode(node);
}
export function isExecutableDefinitionNode(node) {
    return node.kind === Kind.OPERATION_DEFINITION || node.kind === Kind.FRAGMENT_DEFINITION;
}
export function isSelectionNode(node) {
    return node.kind === Kind.FIELD || node.kind === Kind.FRAGMENT_SPREAD || node.kind === Kind.INLINE_FRAGMENT;
}
export function isNullabilityAssertionNode(node) {
    return (node.kind === Kind.LIST_NULLABILITY_OPERATOR ||
        node.kind === Kind.NON_NULL_ASSERTION ||
        node.kind === Kind.ERROR_BOUNDARY);
}
export function isValueNode(node) {
    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) {
    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) {
    return node.kind === Kind.NAMED_TYPE || node.kind === Kind.LIST_TYPE || node.kind === Kind.NON_NULL_TYPE;
}
export function isTypeSystemDefinitionNode(node) {
    return node.kind === Kind.SCHEMA_DEFINITION || isTypeDefinitionNode(node) || node.kind === Kind.DIRECTIVE_DEFINITION;
}
export function isTypeDefinitionNode(node) {
    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) {
    return node.kind === Kind.SCHEMA_EXTENSION || isTypeExtensionNode(node);
}
export function isTypeExtensionNode(node) {
    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);
}