post-get-service/lib/service.js

simple way to create node http in memory server

// @ts-check
const { get_model_file_path } = require('./commons/utils');
const server_routes_app_builder = require('./server_routes');

/**
 * @param {!{host: string; port: string|number; api: {path: string}[]}} json_model_or_path api model
 */
function run_service(json_model_or_path) {
  return new Promise((res, rej) => {
    const json_model = get_model_file_path(json_model_or_path);

    const PORT = json_model.port || 8081;
    const HOST = json_model.host || '0.0.0.0';

    const { app } = server_routes_app_builder(json_model);

    process.on('uncaughtException', err => {
      rej(err);
    });

    app.listen({ port: Number(PORT), host: HOST }, function (err) {
      if (err) {
        rej(err);
        return;
      }
      res({
        stop: async () => app.close(),
      });
    });
  });
}

module.exports = {
  run_service,
};