44 lines
1.6 KiB
JavaScript
44 lines
1.6 KiB
JavaScript
import { resolveElements } from "../utils/resolve-elements";
|
|
import { isDragActive } from "./drag/state/is-active";
|
|
/**
|
|
* Filter out events that are not pointer events, or are triggering
|
|
* while a Motion gesture is active.
|
|
*/
|
|
function filterEvents(callback) {
|
|
return (event) => {
|
|
if (event.pointerType === "touch" || isDragActive())
|
|
return;
|
|
callback(event);
|
|
};
|
|
}
|
|
/**
|
|
* Create a hover gesture. hover() is different to .addEventListener("pointerenter")
|
|
* in that it has an easier syntax, filters out polyfilled touch events, interoperates
|
|
* with drag gestures, and automatically removes the "pointerennd" event listener when the hover ends.
|
|
*
|
|
* @public
|
|
*/
|
|
export function hover(elementOrSelector, onHoverStart, options = {}) {
|
|
const gestureAbortController = new AbortController();
|
|
const eventOptions = {
|
|
passive: true,
|
|
...options,
|
|
signal: gestureAbortController.signal,
|
|
};
|
|
const onPointerEnter = filterEvents((enterEvent) => {
|
|
const { target } = enterEvent;
|
|
const onHoverEnd = onHoverStart(enterEvent);
|
|
if (!onHoverEnd || !target)
|
|
return;
|
|
const onPointerLeave = filterEvents((leaveEvent) => {
|
|
onHoverEnd(leaveEvent);
|
|
target.removeEventListener("pointerleave", onPointerLeave);
|
|
});
|
|
target.addEventListener("pointerleave", onPointerLeave, eventOptions);
|
|
});
|
|
resolveElements(elementOrSelector).forEach((element) => {
|
|
element.addEventListener("pointerenter", onPointerEnter, eventOptions);
|
|
});
|
|
return () => gestureAbortController.abort();
|
|
}
|
|
//# sourceMappingURL=hover.js.map
|