@newmo/graphql-fake-server/dist/esm/createMock.js

GraphQL fake server for testing

import vm from "node:vm";
import { generateCode, getTypeInfos, normalizeConfig } from "@newmo/graphql-fake-core";
import { createLogger } from "./logger.js";
const cloneAsJSON = (obj) => {
    return JSON.parse(JSON.stringify(obj));
};
/**
 * Create mock object from schema
 * It supports @example directive
 * @param options
 */
export const createMock = async (options) => {
    const logger = createLogger(options.logLevel);
    try {
        const normalizedConfig = normalizeConfig({
            maxFieldRecursionDepth: options.maxFieldRecursionDepth ?? 3,
        });
        const typeInfos = getTypeInfos(normalizedConfig, options.schema);
        const code = generateCode({
            ...normalizedConfig,
            outputType: "commonjs",
        }, typeInfos);
        logger.debug("Generated code:");
        logger.debug(code);
        // execute code in vm and get all exports
        const exports = {};
        vm.runInNewContext(code, { exports });
        // Apollo Server does not support Function type in mock object
        const plainObject = cloneAsJSON(exports);
        logger.debug("Exports:");
        logger.debug(JSON.stringify(plainObject, null, 2));
        return plainObject;
    }
    catch (error) {
        logger.error(error);
        process.exit(1);
    }
};
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