promise-handling.mjs

   1 import Benchmark from 'benny'
   2
   3 /**
   4  *
   5  */
   6 async function asyncFunction () {
   7   await new Promise(resolve => {
   8     resolve()
   9   })
  10 }
  11
  12 Benchmark.suite(
  13   'Promise handling',
  14   Benchmark.add('await promise', async () => {
  15     try {
  16       return await asyncFunction()
  17     } catch (e) {
  18       console.error(e)
  19     }
  20   }),
  21   Benchmark.add('promise with then().catch()', () => {
  22     asyncFunction()
  23       .then(r => {
  24         return r
  25       })
  26       .catch(console.error)
  27   }),
  28   Benchmark.add('voided promise', () => {
  29     // eslint-disable-next-line no-void
  30     void asyncFunction()
  31   }),
  32   Benchmark.add('mishandled promise', () => {
  33     asyncFunction()
  34   }),
  35   Benchmark.cycle(),
  36   Benchmark.complete(),
  37   Benchmark.save({
  38     file: 'promise-handling',
  39     format: 'json',
  40     details: true
  41   }),
  42   Benchmark.save({
  43     file: 'promise-handling',
  44     format: 'chart.html',
  45     details: true
  46   }),
  47   Benchmark.save({
  48     file: 'promise-handling',
  49     format: 'table.html',
  50     details: true
  51   })
  52 ).catch(console.error)