Mailspring/app/internal_packages/link-tracking/lib/main.es6

import {
  ComponentRegistry,
  ExtensionRegistry,
} from 'nylas-exports';
import {HasTutorialTip} from 'nylas-component-kit';

import LinkTrackingButton from './link-tracking-button';
import LinkTrackingComposerExtension from './link-tracking-composer-extension';
import LinkTrackingMessageExtension from './link-tracking-message-extension';

const LinkTrackingButtonWithTutorialTip = HasTutorialTip(LinkTrackingButton, {
  title: "Track links in this email",
  instructions: "When link tracking is turned on, Mailspring will notify you when recipients click links in this email.",
});

export function activate() {
  ComponentRegistry.register(LinkTrackingButtonWithTutorialTip, {
    role: 'Composer:ActionButton',
  });

  ExtensionRegistry.Composer.register(LinkTrackingComposerExtension);

  ExtensionRegistry.MessageView.register(LinkTrackingMessageExtension);
}

export function serialize() {}

export function deactivate() {
  ComponentRegistry.unregister(LinkTrackingButtonWithTutorialTip);
  ExtensionRegistry.Composer.unregister(LinkTrackingComposerExtension);
  ExtensionRegistry.MessageView.unregister(LinkTrackingMessageExtension);
}