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681 BJavaScriptView Raw
1import * as React from 'react';
2/**
3 * Cache callback function that always return same ref instead.
4 * This is used for context optimization.
5 */
6
7export default function useMemoCallback(func) {
8 var funRef = React.useRef(func);
9 funRef.current = func;
10 var callback = React.useCallback(function () {
11 var _funRef$current;
12
13 for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
14 args[_key] = arguments[_key];
15 }
16
17 return (_funRef$current = funRef.current) === null || _funRef$current === void 0 ? void 0 : _funRef$current.call.apply(_funRef$current, [funRef].concat(args));
18 }, []);
19 return func ? callback : undefined;
20}
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