index.js

'use strict';

module.exports = {
  name: require('./package').name,

  included(appOrAddon) {
    let app = appOrAddon.app || appOrAddon;
    if (app.__emberBasicDropdownIncludedInvoked) {
      this._super.included.apply(this, arguments);
      return;
    }
    app.__emberBasicDropdownIncludedInvoked = true;
    this._super.included.apply(this, arguments);

    let hasSass = !!app.registry.availablePlugins['ember-cli-sass'];
    let hasLess = !!app.registry.availablePlugins['ember-cli-less'];

    // Don't include the precompiled css file if the user uses a supported CSS preprocessor
    if (!hasSass && !hasLess) {
      if (!app.__skipEmberBasicDropdownStyles) {
        app.import('vendor/ember-basic-dropdown.css');
      }
    }
  },

  contentFor(type, config) {
    let basicDropdownConfig = config['ember-basic-dropdown'];
    if (!basicDropdownConfig || !basicDropdownConfig.destination) {
      if (config.environment !== 'test' && type === 'body-footer' && !config._emberBasicDropdownContentForInvoked) {
        config._emberBasicDropdownContentForInvoked = true;
        return '<div id="ember-basic-dropdown-wormhole"></div>';
      }
    }
  }
};