es-node-runner/lib/index.js

Node runner that transpiles typescript or es modules using blazing fast ⚡ esbuild and restarts the process automatically on change. Suitable for node development server.

#!/usr/bin/env node
import DEBUG from 'debug';
import {performance} from 'perf_hooks';
import {dispose} from './transpiler.js';
import {formatElapsedTime, logger} from './utils/index.js';
import watch from './watcher.js';
const debug = DEBUG('es-node-runner:main');
global.PROCESS_START_TIME = performance.now();
function main() {
  try {
    watch();
  } catch (error) {
    logger.info(
      '\ntry cli option --debug with optional comma(,) separated namespace for enabling debugging.\n'
    );
    throw error;
  }
}
process.on('exit', (code) => {
  debug(`process ${process.pid} exited with code ${code}`);
  const logLevel = code > 0 ? 'error' : 'log';
  logger[logLevel](
    `\n[es-node-runner] -->  Exited with code ${code}\n` +
      `Total runtime    -->  ${formatElapsedTime(
        performance.now() - global.PROCESS_START_TIME
      )}`
  );
});
process.on('SIGTERM', () => {
  dispose();
  debug('received termination signal');
  process.exit(0);
});
process.on('SIGINT', () => {
  debug('received interrupt signal');
  process.emit('SIGTERM');
});
main();