@terminus/ngx-tools
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25 lines • 3.07 kB
JavaScript
/**
* Creates a browser TouchEvent with the specified pointer coordinates.
*
* @param type - The touch event type
* @param pageX - The location on the X axis
* @param pageY - The location on the Y axis
*
* @example
* createTouchEvent('touchstart');
* createTouchEvent('touchstart', 212, 433);
*/
export function createTouchEvent(type, pageX = 0, pageY = 0) {
// NOTE: In favor of creating events that work for most of the browsers, the event is created
// as a basic UI Event. The necessary details for the event will be set manually.
const event = document.createEvent('UIEvent');
const touchDetails = {
pageX,
pageY,
};
event.initEvent(type, true, true);
// NOTE: Most of the browsers don't have a "initTouchEvent" method that can be used to define the touch details.
Object.defineProperties(event, { touches: { value: [touchDetails] } });
return event;
}
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