49 lines
1.7 KiB
JavaScript
49 lines
1.7 KiB
JavaScript
|
"use strict";
|
||
|
|
Object.defineProperty(exports, "__esModule", {
|
||
|
|
value: true
|
||
|
|
});
|
||
|
|
Object.defineProperty(exports, "useMutationObserver", {
|
||
|
|
enumerable: true,
|
||
|
|
get: function() {
|
||
|
|
return useMutationObserver;
|
||
|
|
}
|
||
|
|
});
|
||
|
|
const _interop_require_wildcard = require("@swc/helpers/_/_interop_require_wildcard");
|
||
|
|
const _react = /*#__PURE__*/ _interop_require_wildcard._(require("react"));
|
||
|
|
const _reactsharedcontexts = require("@fluentui/react-shared-contexts");
|
||
|
|
const { useRef, useEffect } = _react;
|
||
|
|
const useMutationObserver = (target, callback, options)=>{
|
||
|
|
'use no memo';
|
||
|
|
// TODO: exclude types from this lint rule: https://github.com/microsoft/fluentui/issues/31286
|
||
|
|
// eslint-disable-next-line no-restricted-globals
|
||
|
|
const observer = useRef();
|
||
|
|
const { targetDocument } = (0, _reactsharedcontexts.useFluent_unstable)();
|
||
|
|
const win = targetDocument === null || targetDocument === void 0 ? void 0 : targetDocument.defaultView;
|
||
|
|
useEffect(()=>{
|
||
|
|
if (!win) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
// Create an observer instance linked to the callback function
|
||
|
|
observer.current = new win.MutationObserver(callback);
|
||
|
|
}, [
|
||
|
|
callback,
|
||
|
|
win
|
||
|
|
]);
|
||
|
|
useEffect(()=>{
|
||
|
|
if (target) {
|
||
|
|
var _observer_current;
|
||
|
|
(_observer_current = observer.current) === null || _observer_current === void 0 ? void 0 : _observer_current.observe(target, options);
|
||
|
|
}
|
||
|
|
return ()=>{
|
||
|
|
var _observer_current;
|
||
|
|
(_observer_current = observer.current) === null || _observer_current === void 0 ? void 0 : _observer_current.disconnect();
|
||
|
|
};
|
||
|
|
}, [
|
||
|
|
target,
|
||
|
|
options
|
||
|
|
]);
|
||
|
|
return {
|
||
|
|
observer
|
||
|
|
};
|
||
|
|
};
|