@elastic/eui
Version:
Elastic UI Component Library
75 lines (74 loc) • 4.06 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.EuiInnerText = void 0;
exports.useInnerText = useInnerText;
var _propTypes = _interopRequireDefault(require("prop-types"));
var _react = require("react");
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
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; } /*
* 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.
*/
function useInnerText(innerTextFallback) {
var _useState = (0, _react.useState)(null),
_useState2 = _slicedToArray(_useState, 2),
ref = _useState2[0],
setRef = _useState2[1];
var _useState3 = (0, _react.useState)(innerTextFallback),
_useState4 = _slicedToArray(_useState3, 2),
innerText = _useState4[0],
setInnerText = _useState4[1];
var updateInnerText = (0, _react.useCallback)(function (node) {
if (!node) return;
setInnerText(
// Check for `innerText` implementation rather than a simple OR check
// because in real cases the result of `innerText` could correctly be `null`
// while the result of `textContent` could correctly be non-`null` due to
// differing reliance on browser layout calculations.
// We prefer the result of `innerText`, if available.
'innerText' in node ? node.innerText : node.textContent || innerTextFallback);
}, [innerTextFallback]);
(0, _react.useEffect)(function () {
var observer = new MutationObserver(function (mutationsList) {
if (mutationsList.length) updateInnerText(ref);
});
if (ref) {
updateInnerText(ref);
observer.observe(ref, {
characterData: true,
subtree: true,
childList: true
});
}
return function () {
observer.disconnect();
};
}, [ref, updateInnerText]);
return [setRef, innerText];
}
var EuiInnerText = exports.EuiInnerText = function EuiInnerText(_ref) {
var children = _ref.children,
fallback = _ref.fallback;
var _useInnerText = useInnerText(fallback),
_useInnerText2 = _slicedToArray(_useInnerText, 2),
ref = _useInnerText2[0],
innerText = _useInnerText2[1];
return children(ref, innerText);
};
EuiInnerText.propTypes = {
/**
* ReactNode to render as this component's content
*/
children: _propTypes.default.func.isRequired,
fallback: _propTypes.default.string
};