@elastic/eui
Version:
Elastic UI Component Library
68 lines (67 loc) • 2.65 kB
JavaScript
import _extends from "@babel/runtime/helpers/extends";
import _slicedToArray from "@babel/runtime/helpers/slicedToArray";
import _objectWithoutProperties from "@babel/runtime/helpers/objectWithoutProperties";
var _excluded = ["children", "clearAfterMs", "isActive", "role", "aria-live"];
/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License
* 2.0 and the Server Side Public License, v 1; you may not use this file except
* in compliance with, at your election, the Elastic License 2.0 or the Server
* Side Public License, v 1.
*/
import React, { useEffect, useState, isValidElement } from 'react';
import { EuiScreenReaderOnly } from '../screen_reader_only';
import { jsx as ___EmotionJSX } from "@emotion/react";
export var EuiLiveAnnouncer = function EuiLiveAnnouncer(_ref) {
var children = _ref.children,
_ref$clearAfterMs = _ref.clearAfterMs,
clearAfterMs = _ref$clearAfterMs === void 0 ? 2000 : _ref$clearAfterMs,
_ref$isActive = _ref.isActive,
isActive = _ref$isActive === void 0 ? true : _ref$isActive,
_ref$role = _ref.role,
role = _ref$role === void 0 ? 'status' : _ref$role,
_ref$ariaLive = _ref['aria-live'],
ariaLive = _ref$ariaLive === void 0 ? 'polite' : _ref$ariaLive,
rest = _objectWithoutProperties(_ref, _excluded);
var _useState = useState(''),
_useState2 = _slicedToArray(_useState, 2),
content = _useState2[0],
setContent = _useState2[1];
var _useState3 = useState(false),
_useState4 = _slicedToArray(_useState3, 2),
isMounted = _useState4[0],
setMounted = _useState4[1];
useEffect(function () {
if (!isMounted) {
setTimeout(function () {
// set isMounted with a small delay to trigger an render update after first render
setMounted(true);
}, 50);
}
return function () {
setMounted(false);
};
// eslint-disable-next-line react-hooks/exhaustive-deps
}, []);
useEffect(function () {
var timeout;
if (children) {
setContent( /*#__PURE__*/isValidElement(children) ? children : ___EmotionJSX(React.Fragment, null, children));
}
if (clearAfterMs) {
timeout = setTimeout(function () {
setContent('');
}, clearAfterMs);
}
return function () {
if (timeout) {
clearTimeout(timeout);
}
};
}, [children, clearAfterMs]);
return ___EmotionJSX(EuiScreenReaderOnly, null, ___EmotionJSX("div", _extends({
role: role,
"aria-live": isActive ? ariaLive : 'off',
"aria-atomic": "true"
}, rest), isMounted && content));
};