Class Agent

packages/react-devtools-shared/src/backend/agent.js:144–988

};

export default class Agent extends EventEmitter<{
  hideNativeHighlight: [],
  showNativeHighlight: [HostInstance],
  startInspectingNative: [],
  stopInspectingNative: [],
  shutdown: [],
  traceUpdates: [Set<HostInstance>],
  drawTraceUpdates: [Array<HostInstance>],
  drawGroupedTraceUpdatesWithNames: [Array<Array<GroupItem>>],
  disableTraceUpdates: [],
  getIfHasUnsupportedRendererVersion: [],
  updateHookSettings: [$ReadOnly<DevToolsHookSettings>],
  getHookSettings: [],
}> {
  _bridge: BackendBridge;
  _isProfiling: boolean = false;
  _rendererInterfaces: {[key: RendererID]: RendererInterface, ...} = {};
  _persistedSelection: PersistedSelection | null = null;
  _persistedSelectionMatch: PathMatch | null = null;
  _traceUpdatesEnabled: boolean = false;
  _onReloadAndProfile:
    | ((recordChangeDescriptions: boolean, recordTimeline: boolean) => void)
    | void;

  constructor(
    bridge: BackendBridge,
    isProfiling: boolean = false,
    onReloadAndProfile?: (
      recordChangeDescriptions: boolean,
      recordTimeline: boolean,
    ) => void,
  ) {
    super();

    this._isProfiling = isProfiling;
    this._onReloadAndProfile = onReloadAndProfile;

    const persistedSelectionString = sessionStorageGetItem(
      SESSION_STORAGE_LAST_SELECTION_KEY,
    );
    if (persistedSelectionString != null) {
      this._persistedSelection = JSON.parse(persistedSelectionString);
    }

    this._bridge = bridge;

    bridge.addListener('clearErrorsAndWarnings', this.clearErrorsAndWarnings);
    bridge.addListener('clearErrorsForElementID', this.clearErrorsForElementID);
    bridge.addListener(
      'clearWarningsForElementID',
      this.clearWarningsForElementID,
    );
    bridge.addListener('copyElementPath', this.copyElementPath);
    bridge.addListener('deletePath', this.deletePath);
    bridge.addListener('getBackendVersion', this.getBackendVersion);
    bridge.addListener('getBridgeProtocol', this.getBridgeProtocol);
    bridge.addListener('getProfilingData', this.getProfilingData);
    bridge.addListener('getProfilingStatus', this.getProfilingStatus);