28 lines
1017 B
JavaScript
28 lines
1017 B
JavaScript
import canUseDom from "rc-util/es/Dom/canUseDom";
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import * as React from 'react';
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var defaultOptions = {
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subtree: true,
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childList: true,
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attributeFilter: ['style', 'class']
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};
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export default function useMutateObserver(nodeOrList, callback) {
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var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : defaultOptions;
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React.useEffect(function () {
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if (!canUseDom() || !nodeOrList) {
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return;
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}
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var instance;
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var nodeList = Array.isArray(nodeOrList) ? nodeOrList : [nodeOrList];
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if ('MutationObserver' in window) {
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instance = new MutationObserver(callback);
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nodeList.forEach(function (element) {
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instance.observe(element, options);
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});
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}
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return function () {
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var _instance, _instance2;
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(_instance = instance) === null || _instance === void 0 ? void 0 : _instance.takeRecords();
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(_instance2 = instance) === null || _instance2 === void 0 ? void 0 : _instance2.disconnect();
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};
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}, [options, nodeOrList]);
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} |