strapi/packages/generators/plugin/files/admin/src/index.js

import { prefixPluginTranslations } from '@strapi/helper-plugin';
import pluginPkg from '../../package.json';
import pluginId from './pluginId';
import App from './containers/App';
import Initializer from './containers/Initializer';

const pluginDescription = pluginPkg.strapi.description || pluginPkg.description;
const icon = pluginPkg.strapi.icon;
const name = pluginPkg.strapi.name;

export default {
  register(app) {
    app.addMenuLink({
      to: `/plugins/${pluginId}`,
      icon,
      intlLabel: {
        id: `${pluginId}.plugin.name`,
        defaultMessage: name,
      },
      Component: App,
      permissions: [
        // Uncomment to set the permissions of the plugin here
        // {
        //   action: '', // the action name should be plugins::plugin-name.actionType
        //   subject: null,
        // },
      ],
    });
    app.registerPlugin({
      description: pluginDescription,
      icon,
      id: pluginId,
      initializer: Initializer,
      isReady: false,
      isRequired: pluginPkg.strapi.required || false,
      name,
    });
  },
  boot(app) {},
  async registerTrads({ locales }) {
    const importedTrads = await Promise.all(
      locales.map(locale => {
        return import(`./translations/${locale}.json`)
          .then(({ default: data }) => {
            return {
              data: prefixPluginTranslations(data, pluginId),
              locale,
            };
          })
          .catch(() => {
            return {
              data: {},
              locale,
            };
          });
      })
    );

    return Promise.resolve(importedTrads);
  },
};