grafana/scripts/cli/tasks/core.start.ts

import concurrently from 'concurrently';
import { Task, TaskRunner } from './task';

interface StartTaskOptions {
  watchThemes: boolean;
  hot: boolean;
}

const startTaskRunner: TaskRunner<StartTaskOptions> = async ({ watchThemes, hot }) => {
  const jobs = [
    watchThemes && {
      command: 'nodemon -e ts -w ./packages/grafana-ui/src/themes -x yarn run themes:generate',
      name: 'SASS variables generator',
    },
    hot
      ? {
          command: 'webpack-dev-server --progress --colors --mode development --config scripts/webpack/webpack.hot.js',
          name: 'Dev server',
        }
      : {
          command: 'webpack --progress --colors --watch --mode development --config scripts/webpack/webpack.dev.js',
          name: 'Webpack',
        },
  ];

  try {
    await concurrently(jobs.filter(job => !!job), {
      killOthers: ['failure', 'failure'],
    });
  } catch (e) {
    console.error(e);
    process.exit(1);
  }
};

export const startTask = new Task<StartTaskOptions>();
startTask.setName('Core startTask');
startTask.setRunner(startTaskRunner);