merge-graphql-schemas/index.esm.js

A utility library to facilitate merging of modularized GraphQL schemas and resolver objects.

import { loadFiles } from '@graphql-toolkit/file-loading';
import { mergeTypeDefs } from '@graphql-toolkit/schema-merging';
export { mergeResolvers } from '@graphql-toolkit/schema-merging';

const DEFAULT_EXTENSIONS = ['ts', 'js', 'gql', 'graphql', 'graphqls'];
const DEFAULT_IGNORED_EXTENSIONS = ['spec', 'test', 'd', 'map'];
const fileLoader = (path, { recursive = false, extensions = DEFAULT_EXTENSIONS, ignoreIndex = true, ignoredExtensions = DEFAULT_IGNORED_EXTENSIONS, ...options } = {}) => {
    return loadFiles(path, {
        extensions: extensions.map(e => e.startsWith('.') ? e.substr(1, e.length - 1) : e).filter(e => DEFAULT_EXTENSIONS.includes(e)),
        recursive,
        ignoreIndex,
        ignoredExtensions,
        ...options,
    });
};

const mergeTypes = (types, options) => {
    const schemaDefinition = options && typeof options.schemaDefinition === 'boolean'
        ? options.schemaDefinition
        : true;
    return mergeTypeDefs(types, {
        useSchemaDefinition: schemaDefinition,
        forceSchemaDefinition: schemaDefinition,
        throwOnConflict: true,
        commentDescriptions: true,
        reverseDirectives: true,
        ...options,
    });
};

export { fileLoader, mergeTypes };