60 lines
2.0 KiB
JavaScript
60 lines
2.0 KiB
JavaScript
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import * as React from 'react';
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import { useFluent_unstable as useFluent } from '@fluentui/react-shared-contexts';
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import { useTabster } from './useTabster';
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/**
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* Returns a set of helper functions that will traverse focusable elements in the context of a root DOM element
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*/ export const useFocusFinders = ()=>{
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const tabster = useTabster();
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const { targetDocument } = useFluent();
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// Narrow props for now and let need dictate additional props in the future
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const findAllFocusable = React.useCallback((container, acceptCondition)=>(tabster === null || tabster === void 0 ? void 0 : tabster.focusable.findAll({
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container,
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acceptCondition
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})) || [], [
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tabster
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]);
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const findFirstFocusable = React.useCallback((container)=>tabster === null || tabster === void 0 ? void 0 : tabster.focusable.findFirst({
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container
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}), [
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tabster
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]);
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const findLastFocusable = React.useCallback((container)=>tabster === null || tabster === void 0 ? void 0 : tabster.focusable.findLast({
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container
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}), [
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tabster
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]);
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const findNextFocusable = React.useCallback((currentElement, options = {})=>{
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if (!tabster || !targetDocument) {
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return null;
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}
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const { container = targetDocument.body } = options;
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return tabster.focusable.findNext({
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currentElement,
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container
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});
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}, [
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tabster,
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targetDocument
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]);
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const findPrevFocusable = React.useCallback((currentElement, options = {})=>{
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if (!tabster || !targetDocument) {
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return null;
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}
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const { container = targetDocument.body } = options;
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return tabster.focusable.findPrev({
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currentElement,
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container
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});
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}, [
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tabster,
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targetDocument
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]);
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return {
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findAllFocusable,
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findFirstFocusable,
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findLastFocusable,
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findNextFocusable,
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findPrevFocusable
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};
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};
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