debugger.html 文件中的一段js

debugger.html.js

// file location
// node_module/react-native/local-cli/server/util/debugger.html

function connectToDebuggerProxy() {
  var ws = new DebuggerWebSocket('ws://' + window.location.host + '/debugger-proxy');

  ws.onopen = function() {
    if (sessionID) {
      setStatus('Debugger session #' + sessionID + ' active.');
      ws.send(JSON.stringify({replyID: parseInt(sessionID, 10)}));
    } else {
      setStatus('Waiting, press <span class="shortcut">⌘R</span> in simulator to reload and connect.');
    }
  };
  
  // ........
}