Angular 4 & Material 2 & Flex-layout & Animations = Collapse / Accordion !
DEPENDENCIES : need node version 6.x+ AND @angular/cli
git clone git@github.com:rubens001/collapse.git
cd collapse
npm install
ng serve
http://localhost:4200
$ npm install -g @angular/cli
OR
$ sudo npm install -g @angular/cli
Angular Material 2 install
npm install --save @angular/material
Angular Animations 4 install
npm install --save @angular/animations@latest
npm install @angular/flex-layout --save
ng g c feature/collapsible
ng g c feature/chevron
$ npm install
$ ng serve
http://localhost:4200
https://material.angular.io/components
https://github.com/angular/material2/blob/master/guides/getting-started.md