webworker

const version = '1.3';

async function onAttach(debuggeeId) {
  /** Enable receiving 'Target.attachedToTarget' events */
  await chrome.debugger.sendCommand(debuggeeId, 'Target.setAutoAttach', {
    autoAttach: true,
    waitForDebuggerOnStart: true,
    flatten: true,
  }); //
  /** Enable Network events for the current tab */
  chrome.debugger.sendCommand(debuggeeId, 'Network.enable');
}

function allEventHandler(debuggeeId, message, params) {
  /** When workers are created, 'Target.attachedToTarget' events are fired */
  if (message === 'Target.attachedToTarget') {
    /** Attach debugger to workers */
    chrome.debugger.attach(
      { targetId: params.targetInfo.targetId },
      version,
      () => {
        /** Enable Network for workers to receive WebSocket events */
        chrome.debugger.sendCommand(
          { targetId: params.targetInfo.targetId },
          'Network.enable'
        );
      }
    );
  } else {
    console.log(message, params);
  }
}

chrome.debugger.onEvent.addListener(allEventHandler);

/** Click extension icon to attach debugger to the current tab */
chrome.action.onClicked.addListener(function (tab) {
  const tabId = tab.id;
  const debuggeeId = { tabId };
  chrome.debugger.attach(debuggeeId, version, onAttach.bind(null, debuggeeId));
});