@elastic/eui
Version:
Elastic UI Component Library
84 lines (83 loc) • 5.07 kB
JavaScript
var _excluded = ["children", "clearAfterMs", "isActive", "role", "aria-live"];
function _extends() { return _extends = Object.assign ? Object.assign.bind() : function (n) { for (var e = 1; e < arguments.length; e++) { var t = arguments[e]; for (var r in t) ({}).hasOwnProperty.call(t, r) && (n[r] = t[r]); } return n; }, _extends.apply(null, arguments); }
function _slicedToArray(r, e) { return _arrayWithHoles(r) || _iterableToArrayLimit(r, e) || _unsupportedIterableToArray(r, e) || _nonIterableRest(); }
function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
function _unsupportedIterableToArray(r, a) { if (r) { if ("string" == typeof r) return _arrayLikeToArray(r, a); var t = {}.toString.call(r).slice(8, -1); return "Object" === t && r.constructor && (t = r.constructor.name), "Map" === t || "Set" === t ? Array.from(r) : "Arguments" === t || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(t) ? _arrayLikeToArray(r, a) : void 0; } }
function _arrayLikeToArray(r, a) { (null == a || a > r.length) && (a = r.length); for (var e = 0, n = Array(a); e < a; e++) n[e] = r[e]; return n; }
function _iterableToArrayLimit(r, l) { var t = null == r ? null : "undefined" != typeof Symbol && r[Symbol.iterator] || r["@@iterator"]; if (null != t) { var e, n, i, u, a = [], f = !0, o = !1; try { if (i = (t = t.call(r)).next, 0 === l) { if (Object(t) !== t) return; f = !1; } else for (; !(f = (e = i.call(t)).done) && (a.push(e.value), a.length !== l); f = !0); } catch (r) { o = !0, n = r; } finally { try { if (!f && null != t.return && (u = t.return(), Object(u) !== u)) return; } finally { if (o) throw n; } } return a; } }
function _arrayWithHoles(r) { if (Array.isArray(r)) return r; }
function _objectWithoutProperties(e, t) { if (null == e) return {}; var o, r, i = _objectWithoutPropertiesLoose(e, t); if (Object.getOwnPropertySymbols) { var n = Object.getOwnPropertySymbols(e); for (r = 0; r < n.length; r++) o = n[r], t.indexOf(o) >= 0 || {}.propertyIsEnumerable.call(e, o) && (i[o] = e[o]); } return i; }
function _objectWithoutPropertiesLoose(r, e) { if (null == r) return {}; var t = {}; for (var n in r) if ({}.hasOwnProperty.call(r, n)) { if (e.indexOf(n) >= 0) continue; t[n] = r[n]; } return t; }
/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License
* 2.0 and the Server Side Public License, v 1; you may not use this file except
* in compliance with, at your election, the Elastic License 2.0 or the Server
* Side Public License, v 1.
*/
import React, { useEffect, useState, isValidElement } from 'react';
import PropTypes from "prop-types";
import { EuiScreenReaderOnly } from '../screen_reader_only';
import { jsx as ___EmotionJSX } from "@emotion/react";
export var EuiLiveAnnouncer = function EuiLiveAnnouncer(_ref) {
var children = _ref.children,
_ref$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));
};
EuiLiveAnnouncer.propTypes = {
/**
* Sets a delay in ms before the live region is cleared.
* The message will still be read by screen readers even if it's cleared in between.
*
* @default 2000
*/
clearAfterMs: PropTypes.oneOfType([PropTypes.number.isRequired, PropTypes.oneOf([false])])
};