text: global.URL = {
    createObjectURL: () => {},
  }
  
  global.Worker = class Worker {
    constructor(url) {
      this.url = url
      this.onmessage = () => {}
    }
  
    postMessage(msg) {
      this.onmessage(msg)
    }
  }
  
  global.AudioContext = class AudioContext {
    constructor() {
      this.currentTime = null
      this.destination = null
      this.createOscillator = () => {}
      this.createGain = () => {}
    }
  }
  
  module.exports = global
  