create-js-app-scripts/build/environment.js

Configuration and scripts for Create JS App

'use strict';

const path = require('path');
const loadConfiguration = require('./utils/loadConfiguration');

class Environment {

  constructor(cwd, configFileName = '.app.js', logger) {
    this.cwd = cwd;
    this.configFileName = configFileName;
    this.logger = logger;
  }

  configFilePath() {
    return path.resolve(this.cwd, this.configFileName);
  }

  getConfiguration() {
    return loadConfiguration(this);
  }

  getName() {
    return this.getConfiguration().env.NODE_ENV;
  }

  async build() {
    const config = loadConfiguration(this);

    // run build phase on plugins (do not instantiate them)
    const pluginControllers = await Promise.all(config.plugins.map(plugin => plugin(this, true, this.logger)));

    await Promise.all(pluginControllers.map(pluginController => pluginController.build()));
  }

  async start() {
    const config = loadConfiguration(this);

    // instantiate plugins
    this.plugins = await Promise.all(config.plugins.map(plugin => plugin(this, false, this.logger)));

    await Promise.all(this.plugins.map(p => p.start()));
  }

  async restart() {
    // terminate all plugins
    await Promise.all(this.plugins.map(pluginController => pluginController.terminate()));

    // start all plugins
    await this.start();
  }

  async stop() {
    await Promise.all(this.plugins.map(pluginController => pluginController.terminate()));
  }
}

module.exports = Environment;