Merged dynamic form module

src/app/shared/animations/shrink.ts

@@ -0,0 +1,13 @@
+import { animate, state, style, transition, trigger } from '@angular/animations';
+
+export const shrinkInOut = trigger('shrinkInOut', [
+  state('in', style({height: '100%', opacity: 1})),
+  transition('* => void', [
+    style({height: '!', opacity: 1}),
+    animate(200, style({height: 0, opacity: 0}))
+  ]),
+  transition('void => *', [
+    style({height: 0, opacity: 0}),
+    animate(200, style({height: '*', opacity: 1}))
+  ])
+]);