botframework-webchat-component
Version:
React component of botframework-webchat
20 lines (19 loc) • 3.52 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = tabbableElements;
function tabbableElements(element) {
// This is an incomplete list, due to the complexity of testing for every scenario.
// For full-list, please refer to https://allyjs.io/data-tables/focusable.html
var candidates = (element === null || element === void 0 ? void 0 : element.querySelectorAll('a[href], area[href], audio[controls], button:not(:disabled), iframe, input:not(:disabled), keygen, select:not(:disabled), summary, textarea:not(:disabled), video[controls], [contenteditable], [tabindex]')) || [];
return [].filter.call(candidates, function (element) {
var tabIndexAttribute = element.attributes.getNamedItem('tabindex');
if (tabIndexAttribute && tabIndexAttribute.specified) {
var value = parseInt(tabIndexAttribute.value, 10);
return value >= 0 || isNaN(value) && element.nodeName.toLowerCase() === 'input';
}
return true;
});
}
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