Badminton Score Tutorial - Part 2

Annyang.js

import annyang from 'annyang'

class Annyang {
  // 1
  isSupported() {
    return annyang !== null
  }

  // 2
  start() {
    if (annyang) {
      annyang.start()
    }
  }

  // 3
  abort() {
    if (annyang) {
      annyang.abort()
    }
  }

  // 4
  resume() {
    if (annyang) {
      annyang.resume()
    }
  }

  // 5
  addCommands(reset, change, undo) {
    if (annyang) {
      annyang.addCommands({
        'reset': () => reset(),
        'change': () => change(),
        'undo': () => undo()
      })
    }
  }

  // 6
  addCallback(engineCallback, resultCallback) {
    if (annyang) {
      annyang.addCallback('start', event => engineCallback('on'))
      annyang.addCallback('soundstart', event => engineCallback('listening'))
      annyang.addCallback('end', event => engineCallback('off'))
      annyang.addCallback('error', event => engineCallback(event.error))
      annyang.addCallback('errorNetwork', event => engineCallback('network error'))
      annyang.addCallback('errorPermissionBlocked', event => engineCallback('permission blocked'))
      annyang.addCallback('errorPermissionDenied', event => engineCallback('permission denied'))
      annyang.addCallback('result', event => resultCallback(event))
    }
  }
}

// 7
export default new Annyang()