@wix/design-system
Version:
@wix/design-system
23 lines (22 loc) • 816 B
JavaScript
;
var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
exports.__esModule = true;
exports.usePrevious = usePrevious;
var _slicedToArray2 = _interopRequireDefault(require("@babel/runtime/helpers/slicedToArray"));
var _react = require("react");
function usePrevious(value, defaultValue) {
var _useState = (0, _react.useState)(value),
_useState2 = (0, _slicedToArray2.default)(_useState, 2),
current = _useState2[0],
setCurrent = _useState2[1];
var _useState3 = (0, _react.useState)(defaultValue),
_useState4 = (0, _slicedToArray2.default)(_useState3, 2),
previous = _useState4[0],
setPrevious = _useState4[1];
if (value !== current) {
setPrevious(current);
setCurrent(value);
}
return previous;
}
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