webpack-worker-wrapper v0.0.1

webpack-worker-wrapper

You need worker-loader.

Motivation

This wrapper can you help, when you need use your worker methods async / await style.

How to use

Install: npm - npm install webpack-worker-wrapper --save yarn - yarn add webpack-worker-wrapper

Example:

// my.worker.js

function pow(num, exp) {
  return Math.pow(num, exp)
}

function sum(num1, num2) {
  return num1 + num2
}

self.addEventListener('message',  (event)  =>  {
  // message = { id: string, data: any, type: string }
  const message = event.data
  switch(message.type) {
    // type for identify function
    case 'pow':
      self.postMessage({
        id: message.id,
        success: true, // for resolve or reject for your async/await
        data: pow(...message.data), // if you send array, you can do such
      })
      break
    case 'sum':
      self.postMessage({
        id: message.id,
        success: true, // for resolve or reject for your async/await
        data: sum(...message.data), // if you send array, you can do such
      })
      break
  }
})

// example.js
import wrapper from 'webpack-worker-wrapper'
import MyWorker from './my.worker'

const worker = wrapper(MyWorker)

const example = async () => {
  console.log('start')
  console.log(
    await worker.postMessage({
      type: 'pow', // type for case
      data: [3, 7], // 3^7
    })
  )
  console.log(
      await worker.postMessage({
      type: 'sum', // type for case
      data: [3435, 6834], // 3435 + 6834
    })
  )
  console.log('end')
}

example()

Options