45 lines
1.4 KiB
JavaScript
45 lines
1.4 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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Object.defineProperty(exports, "useKeyboardNavAttribute", {
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enumerable: true,
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get: function() {
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return useKeyboardNavAttribute;
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}
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});
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const _keyborg = require("keyborg");
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const _react = require("react");
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const _constants = require("../focus/constants");
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const _reactsharedcontexts = require("@fluentui/react-shared-contexts");
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function useKeyboardNavAttribute() {
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const { targetDocument } = (0, _reactsharedcontexts.useFluent_unstable)();
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const keyborg = (0, _react.useMemo)(()=>targetDocument && (0, _keyborg.createKeyborg)(targetDocument.defaultView), [
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targetDocument
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]);
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const ref = (0, _react.useRef)(null);
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(0, _react.useEffect)(()=>{
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if (keyborg) {
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setBooleanAttribute(ref, _constants.KEYBOARD_NAV_ATTRIBUTE, keyborg.isNavigatingWithKeyboard());
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const cb = (next)=>{
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setBooleanAttribute(ref, _constants.KEYBOARD_NAV_ATTRIBUTE, next);
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};
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keyborg.subscribe(cb);
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return ()=>keyborg.unsubscribe(cb);
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}
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}, [
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keyborg
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]);
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return ref;
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}
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function setBooleanAttribute(elementRef, attribute, value) {
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if (!elementRef.current) {
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return;
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}
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if (value) {
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elementRef.current.setAttribute(attribute, '');
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} else {
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elementRef.current.removeAttribute(attribute);
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}
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}
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