Function onSavedPreferences

packages/react-devtools-inline/src/backend.js:19–59

(data: $FlowFixMe)

function startActivation(contentWindow: any, bridge: BackendBridge) {
  const onSavedPreferences = (data: $FlowFixMe) => {
    // This is the only message we're listening for,
    // so it's safe to cleanup after we've received it.
    bridge.removeListener('savedPreferences', onSavedPreferences);

    const {
      appendComponentStack,
      breakOnConsoleErrors,
      componentFilters,
      showInlineWarningsAndErrors,
      hideConsoleLogsInStrictMode,
    } = data;

    contentWindow.__REACT_DEVTOOLS_APPEND_COMPONENT_STACK__ =
      appendComponentStack;
    contentWindow.__REACT_DEVTOOLS_BREAK_ON_CONSOLE_ERRORS__ =
      breakOnConsoleErrors;
    contentWindow.__REACT_DEVTOOLS_COMPONENT_FILTERS__ = componentFilters;
    contentWindow.__REACT_DEVTOOLS_SHOW_INLINE_WARNINGS_AND_ERRORS__ =
      showInlineWarningsAndErrors;
    contentWindow.__REACT_DEVTOOLS_HIDE_CONSOLE_LOGS_IN_STRICT_MODE__ =
      hideConsoleLogsInStrictMode;

    // TRICKY
    // The backend entry point may be required in the context of an iframe or the parent window.
    // If it's required within the parent window, store the saved values on it as well,
    // since the injected renderer interface will read from window.
    // Technically we don't need to store them on the contentWindow in this case,
    // but it doesn't really hurt anything to store them there too.
    if (contentWindow !== window) {
      window.__REACT_DEVTOOLS_APPEND_COMPONENT_STACK__ = appendComponentStack;
      window.__REACT_DEVTOOLS_BREAK_ON_CONSOLE_ERRORS__ = breakOnConsoleErrors;
      window.__REACT_DEVTOOLS_COMPONENT_FILTERS__ = componentFilters;
      window.__REACT_DEVTOOLS_SHOW_INLINE_WARNINGS_AND_ERRORS__ =
        showInlineWarningsAndErrors;
      window.__REACT_DEVTOOLS_HIDE_CONSOLE_LOGS_IN_STRICT_MODE__ =
        hideConsoleLogsInStrictMode;
    }

    finishActivation(contentWindow, bridge);
  };

  bridge.addListener('savedPreferences', onSavedPreferences);