Ghost/ghost/admin/app/components/power-select-vertical-collection-options.js
Kevin Ansfield d65666f90b 🚀 supercharge tags performance
closes https://github.com/TryGhost/Ghost/issues/8540
- use `{{vertical-collection}}` in the tags dropdown filter list, opening the dropdown is now virtually instant as it's not attempting to immediately render components for every tag in the list
- remove pagination/infinite scroll from tags screen
- load all tags when accessing the tags screen
  - will pause to show spinner if no tags have previously been loaded
  - if tags exist in the ember data store, show the list immediately and load/update list in the background
- use `{{vertical-collection}}` to render enough tags to fill the scrollable area with a small buffer and use occlusion and element re-use to swap tags in whilst scrolling (suuuuper fast no matter number of tags loaded)
- scroll tags into view when they are selected (keyboard nav now makes a lot more sense)
- tested with 875 tags and 2x/5x CPU throttling with no major slowdowns 🎉
2017-07-07 17:53:08 +01:00

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JavaScript

import OptionsComponent from 'ember-power-select/components/power-select/options';
import layout from '../templates/components/power-select-vertical-collection-options';
export default OptionsComponent.extend({
layout
});