chore: switch to lettable

Author: amcdnl

src/datatable.module.ts

@@ -1,6 +1,5 @@
 import { NgModule } from '@angular/core';
 import { CommonModule } from '@angular/common';
-import 'rxjs/add/observable/fromEvent';
 
 import {
   DatatableComponent,

src/directives/draggable.directive.ts

@@ -5,6 +5,7 @@ import { Observable } from 'rxjs/Observable';
 import { Subscription } from 'rxjs/Subscription';
 import { takeUntil } from 'rxjs/operators';
 import { MouseEvent } from '../events';
+import { fromEvent } from 'rxjs/observable/fromEvent';
 
 /**
  * Draggable Directive for Angular2
@@ -70,11 +71,11 @@ export class DraggableDirective implements OnDestroy, OnChanges {
 
       const mouseDownPos = { x: event.clientX, y: event.clientY };
 
-      const mouseup = Observable.fromEvent(document, 'mouseup');
+      const mouseup = fromEvent(document, 'mouseup');
       this.subscription = mouseup
         .subscribe((ev: MouseEvent) => this.onMouseup(ev));
 
-      const mouseMoveSub = Observable.fromEvent(document, 'mousemove')
+      const mouseMoveSub = fromEvent(document, 'mousemove')
         .pipe(takeUntil(mouseup))
         .subscribe((ev: MouseEvent) => this.move(ev, mouseDownPos));
 

src/directives/long-press.directive.ts

@@ -5,7 +5,7 @@ import {
 import { Observable } from 'rxjs/Observable';
 import { Subscription } from 'rxjs/Subscription';
 import { takeUntil } from 'rxjs/operators';
-
+import { fromEvent } from 'rxjs/observable/fromEvent';
 import { MouseEvent } from '../events';
 
 @Directive({ selector: '[long-press]' })
@@ -50,7 +50,7 @@ export class LongPressDirective implements OnDestroy {
     this.pressing = true;
     this.isLongPressing = false;
 
-    const mouseup = Observable.fromEvent(document, 'mouseup');
+    const mouseup = fromEvent(document, 'mouseup');
     this.subscription = mouseup.subscribe((ev: MouseEvent) => this.onMouseup());
 
     this.timeout = setTimeout(() => {
@@ -61,7 +61,7 @@ export class LongPressDirective implements OnDestroy {
       });
 
       this.subscription.add(
-        Observable.fromEvent(document, 'mousemove')
+        fromEvent(document, 'mousemove')
           .pipe(takeUntil(mouseup))
           .subscribe((mouseEvent: MouseEvent) => this.onMouseMove(mouseEvent))
       );