botframework-webchat-component
Version:
React component of botframework-webchat
20 lines (19 loc) • 2.25 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = useMemoWithPrevious;
var _react = require("react");
function useMemoWithPrevious(factory, deps) {
var prevValueRef = (0, _react.useRef)();
// We are building a `useMemo`-like hook, `deps` is passed as-is and `factory` is not one fo the dependencies.
// eslint-disable-next-line react-hooks/exhaustive-deps
var value = (0, _react.useMemo)(function () {
return factory(prevValueRef.current);
}, deps);
(0, _react.useEffect)(function () {
prevValueRef.current = value;
});
return value;
}
//# sourceMappingURL=data:application/json;charset=utf-8;base64,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