esop/web/esop-web-app.js

//app part not related to ESOP JS implementation

function main() {
  var devCfg = { 
    audio: null,
    canvas: document.getElementById('C') //JS-specific implementation canvas DOM reference
  }, vm = UxnCore(), ext = ESOPExtensions()

  document.getElementById('apprun').addEventListener('click', function() {
    var fileObj = document.getElementById('appselect').files[0]
    if(fileObj.name.endsWith('.eso')) {
      var rdr = new FileReader()
      rdr.onload = function() {
        devCfg.audio = new (window.AudioContext || window.webkitAudioContext)
        vm.boot()
        ext.setup(vm, devCfg)
        vm.load(new Uint8Array(rdr.result))
        console.log('VM started')
        vm.start(0x100)
      }
      rdr.readAsArrayBuffer(fileObj)
    }
    else window.alert('Please select an .eso file to run on ESOP')
  })
}

addEventListener('DOMContentLoaded', main)