@graphql-mesh/fusion-runtime/esm/filterHiddenPartsInSchema.js

Runtime for GraphQL Mesh Fusion Supergraph

import { isNamedType } from 'graphql';
import { getDirectiveExtensions, MapperKind, mapSchema, } from '@graphql-tools/utils';
function isHidden(directableObj) {
    const directiveExtensions = getDirectiveExtensions(directableObj);
    const hiddenDirectives = directiveExtensions?.hidden;
    return hiddenDirectives?.length;
}
export function filterHiddenPartsInSchema(schema) {
    return mapSchema(schema, {
        [MapperKind.TYPE](type) {
            if (isNamedType(type) && isHidden(type)) {
                return null;
            }
        },
        [MapperKind.ROOT_OBJECT](type) {
            const fields = Object.values(type.getFields());
            const availableFields = fields.filter(field => !isHidden(field));
            if (!availableFields.length) {
                return null;
            }
        },
        [MapperKind.ROOT_FIELD](fieldConfig) {
            if (isHidden(fieldConfig)) {
                return null;
            }
        },
        [MapperKind.FIELD](fieldConfig) {
            if (isHidden(fieldConfig)) {
                return null;
            }
        },
        [MapperKind.ARGUMENT](argConfig) {
            if (isHidden(argConfig)) {
                return null;
            }
        },
    });
}