Mailspring/app/internal_packages/onboarding/lib/main.es6

import { SystemStartService, WorkspaceStore, ComponentRegistry } from 'mailspring-exports';
import OnboardingRoot from './onboarding-root';

export function activate() {
  WorkspaceStore.defineSheet('Main', { root: true }, { list: ['Center'] });

  AppEnv.themes.forceBaseTheme();

  ComponentRegistry.register(OnboardingRoot, {
    location: WorkspaceStore.Location.Center,
  });

  const accounts = AppEnv.config.get('accounts') || [];

  if (accounts.length === 0) {
    const startService = new SystemStartService();
    startService.checkAvailability().then(available => {
      if (!available) {
        return;
      }
      startService.doesLaunchOnSystemStart().then(launchesOnStart => {
        if (!launchesOnStart) {
          startService.configureToLaunchOnSystemStart();
        }
      });
    });
  }
}

export function deactivate() {}

export function serialize() {}