Detect breakpoint in bootstrap 3 :
import it
import { Bs3BreakPoint, Bs3Breakpoint } from "bs3-breakpoint/bs3-breakpoint";
include it
...
directives: [Bs3BreakpointsComponent]
...
function in class component
newBreakpoint(e: Bs3BreakPoint) {
// breakpoint detected
}
in html:
<bs3-breakpoints (changed)="newBreakpoint($event)" ></bs3-breakpoints>