message: Add trace util
diff: @@ -7,19 +7,11 @@ require('any-observable/register')('global.Observable');
  require('dotenv').config();
  -const util = ['trim-stats-file', 'stats-to-story-files'].find((u) => u === process.argv[2]);
  +const commands = {
  + main: () => require('./main').main(process.argv.slice(2)),
  + trace: () => require('./trace').main(process.argv.slice(3)),
  + 'trim-stats-file': () => require('./trim-stats-file').main(process.argv.slice(3)),
  + 'stats-to-story-files': () => require('./stats-to-story-files').main(process.argv.slice(3)),
  +};
  -switch (true) {
  - case util === 'trim-stats-file': {
  - require('./trim-stats-file').main(process.argv.slice(3));
  - break;
  - }
  - case util === 'stats-to-story-files': {
  - require('./stats-to-story-files').main(process.argv.slice(3));
  - break;
  - }
  - default: {
  - require('./main').main(process.argv.slice(2));
  - break;
  - }
  -}
  +(commands[process.argv[2]] || commands.main)();
  