early/ts/index.ts

import * as beautycolor from 'beautycolor';
import * as smartpromise from '@pushrocks/smartpromise';
import { HrtMeasurement } from './early.hrtMeasurement';

export { HrtMeasurement };

let doText: boolean = false;
let moduleName: string = 'undefined module name';
let startHrt: HrtMeasurement;

if (process.argv.indexOf('-v') === -1) {
  doText = true;
}

/**
 * start the loading
 */
export let start = function(moduleNameArg: string = '', loaderLengthArg: string = '10') {
  moduleName = moduleNameArg;
  startHrt = new HrtMeasurement();
  startHrt.start();
  if (doText) {
    console.log(`**** starting ${beautycolor.coloredString(moduleNameArg, 'green')} ****`);
  }
};

export let stop = (): Promise<number> => {
  let done = smartpromise.defer<number>();
  let earlyExecutionTime = startHrt.stop().milliSeconds;
  let earlyExecutionTimeString: string = (earlyExecutionTime / 1000).toString();
  console.log(
    `OK! -> finished loading within ${beautycolor.coloredString(earlyExecutionTimeString, 'blue')}`
  );
  done.resolve(earlyExecutionTime);
  return done.promise;
};