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