1 | "use strict";
|
2 |
|
3 | exports.__esModule = true;
|
4 | exports.default = void 0;
|
5 |
|
6 | var _useCustomEffect = _interopRequireDefault(require("./useCustomEffect"));
|
7 |
|
8 | var _dequal = require("dequal");
|
9 |
|
10 | var _useImmediateUpdateEffect = _interopRequireDefault(require("./useImmediateUpdateEffect"));
|
11 |
|
12 | var _useEventCallback = _interopRequireDefault(require("./useEventCallback"));
|
13 |
|
14 | var _react = require("react");
|
15 |
|
16 | function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
|
17 |
|
18 | function isDepsEqual(_ref, _ref2) {
|
19 | var nextElement = _ref[0],
|
20 | nextConfig = _ref[1];
|
21 | var prevElement = _ref2[0],
|
22 | prevConfig = _ref2[1];
|
23 | return nextElement === prevElement && (0, _dequal.dequal)(nextConfig, prevConfig);
|
24 | }
|
25 |
|
26 |
|
27 |
|
28 |
|
29 |
|
30 |
|
31 |
|
32 |
|
33 |
|
34 |
|
35 |
|
36 |
|
37 |
|
38 |
|
39 |
|
40 |
|
41 |
|
42 |
|
43 |
|
44 |
|
45 |
|
46 |
|
47 | function useMutationObserver(element, config, callback) {
|
48 | var _useState = (0, _react.useState)(null),
|
49 | records = _useState[0],
|
50 | setRecords = _useState[1];
|
51 |
|
52 | var handler = (0, _useEventCallback.default)(callback || setRecords);
|
53 | (0, _useCustomEffect.default)(function () {
|
54 | if (!element) return;
|
55 |
|
56 |
|
57 |
|
58 |
|
59 | var observer = new MutationObserver(handler);
|
60 | observer.observe(element, config);
|
61 | return function () {
|
62 | observer.disconnect();
|
63 | };
|
64 | }, [element, config], {
|
65 | isEqual: isDepsEqual,
|
66 |
|
67 |
|
68 | effectHook: _useImmediateUpdateEffect.default
|
69 | });
|
70 | return callback ? void 0 : records || [];
|
71 | }
|
72 |
|
73 | var _default = useMutationObserver;
|
74 | exports.default = _default; |
\ | No newline at end of file |