NewEduCoderBuild/js/jupyter.js

(function(open) {
    XMLHttpRequest.prototype.open = function(method, url, async, user, password) {
      this.addEventListener("load", function() {
        if(method === "PUT"){
          window.top.postMessage('jupytermessage','*');
        }
      });
      open.call(this, method, url, async, user, password);
    };
  })(XMLHttpRequest.prototype.open);
  
  (function(fetch) {
    window.fetch = function() {
      return fetch.apply(this, arguments).then(function(response) {
        if(method === "PUT"){
          window.top.postMessage('jupytermessage','*');
        }
        return response;
      });
    };
  })(window.fetch);
  
  function saveCode(){
    var saveEvent = new KeyboardEvent('keydown', {
      key: 's',
      ctrlKey: true
    });

    document.dispatchEvent(saveEvent);
  }

  function onReceiveMessage(e) {
    try {
      if (mes.type === 'saveCode') {
        saveCode()
      }
    } catch (error) {
      console.log('error:', error, e);
    }
  }

  (function() {
    setInterval(() => {
      saveCode()
    },5000)
  })();
  window.addEventListener('message', onReceiveMessage);