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// @flow
import type { ModifierArguments, Modifier } from '../types';
import getWindow from '../dom-utils/getWindow';
// eslint-disable-next-line import/no-unused-modules
export type Options = {
scroll: boolean,
resize: boolean,
};
const passive = { passive: true };
function effect({ state, instance, options }: ModifierArguments<Options>) {
const { scroll = true, resize = true } = options;
const window = getWindow(state.elements.popper);
const scrollParents = [
...state.scrollParents.reference,
...state.scrollParents.popper,
];
if (scroll) {
scrollParents.forEach(scrollParent => {
scrollParent.addEventListener('scroll', instance.update, passive);
});
}
if (resize) {
window.addEventListener('resize', instance.update, passive);
}
return () => {
if (scroll) {
scrollParents.forEach(scrollParent => {
scrollParent.removeEventListener('scroll', instance.update, passive);
});
}
if (resize) {
window.removeEventListener('resize', instance.update, passive);
}
};
}
// eslint-disable-next-line import/no-unused-modules
export type EventListenersModifier = Modifier<'eventListeners', Options>;
export default ({
name: 'eventListeners',
enabled: true,
phase: 'write',
fn: () => {},
effect,
data: {},
}: EventListenersModifier);
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