Web Workers Example

workers.js

const marked = require('marked')

self.onmessage = function (event) {
  switch (event.data) {
    case 'next':
      next(event.data)
      break
    case 'license':
      license(event.data)
      break
    default:
      initial(event.data)
      break
  }
}

const getCommits = async (name, commits) => {
  const res = await fetch(commits)
  const data = await res.json()
  self.postMessage([name, data])
}

const initial = name => getCommits(name, 'http://localhost:3001/commits')

const next = (name, page) => getCommits(name, `http://localhost:3001/commits?page=${page}`)

const license = async name => {
  const res = await fetch(`http://localhost:8080/license.md`)
  const data = await res.text()
  self.postMessage([name, marked(data)])
}