A small example of how to use a multilevel accordion inside an angular2 component.
Best AngularJs Accordion Directives Plugins
Simple Angular 2 accordion component with smooth transitions/animations.
Awesome dynamic, recursive, customizable and multilevel Accordion Menu for AngurlarJS, that builds up from a JSON object and an optional configuration object.
Add a spinner to an element when binding is truthy.
nzAccordiScroll is a superlative, scrolling accordion directive for AngularJS.