Replace instanceof checks with other logic

This commit is contained in:
ahocevar
2018-10-05 16:16:51 +02:00
parent 96e99e481e
commit 9163558511
40 changed files with 232 additions and 268 deletions
+5 -5
View File
@@ -2,7 +2,6 @@
* @module ol/events/condition
*/
import MapBrowserEventType from '../MapBrowserEventType.js';
import MapBrowserPointerEvent from '../MapBrowserPointerEvent.js';
import {assert} from '../asserts.js';
import {TRUE, FALSE} from '../functions.js';
import {WEBKIT, MAC} from '../has.js';
@@ -225,9 +224,10 @@ export const targetNotEditable = function(mapBrowserEvent) {
* @api
*/
export const mouseOnly = function(mapBrowserEvent) {
assert(mapBrowserEvent instanceof MapBrowserPointerEvent, 56); // mapBrowserEvent must originate from a pointer event
const pointerEvent = /** @type {import("../MapBrowserPointerEvent").default} */ (mapBrowserEvent).pointerEvent;
assert(pointerEvent !== undefined, 56); // mapBrowserEvent must originate from a pointer event
// see http://www.w3.org/TR/pointerevents/#widl-PointerEvent-pointerType
return /** @type {MapBrowserPointerEvent} */ (mapBrowserEvent).pointerEvent.pointerType == 'mouse';
return pointerEvent.pointerType == 'mouse';
};
@@ -241,7 +241,7 @@ export const mouseOnly = function(mapBrowserEvent) {
* @api
*/
export const primaryAction = function(mapBrowserEvent) {
assert(mapBrowserEvent instanceof MapBrowserPointerEvent, 56); // mapBrowserEvent must originate from a pointer event
const pointerEvent = /** @type {MapBrowserPointerEvent} */ (mapBrowserEvent).pointerEvent;
const pointerEvent = /** @type {import("../MapBrowserPointerEvent").default} */ (mapBrowserEvent).pointerEvent;
assert(pointerEvent !== undefined, 56); // mapBrowserEvent must originate from a pointer event
return pointerEvent.isPrimary && pointerEvent.button === 0;
};