ng-zorro-antd
Version:
An enterprise-class UI components based on Ant Design and Angular
32 lines • 4.2 kB
JavaScript
/**
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
*/
/**
* Silent an event by stopping and preventing it.
*/
export function silentEvent(e) {
e.stopPropagation();
e.preventDefault();
}
export function getElementOffset(elem) {
if (!elem.getClientRects().length) {
return { top: 0, left: 0 };
}
const rect = elem.getBoundingClientRect();
const win = elem.ownerDocument.defaultView;
return {
top: rect.top + win.pageYOffset,
left: rect.left + win.pageXOffset
};
}
/**
* Investigate if an event is a `TouchEvent`.
*/
export function isTouchEvent(event) {
return event.type.startsWith('touch');
}
export function getEventPosition(event) {
return isTouchEvent(event) ? event.touches[0] || event.changedTouches[0] : event;
}
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