react-scroll-to-bottom-updated/lib/hooks/internal/useStateRef.js

React container that will auto scroll to bottom

"use strict";

var _Object$defineProperty = require("@babel/runtime-corejs3/core-js-stable/object/define-property");

var _interopRequireDefault = require("@babel/runtime-corejs3/helpers/interopRequireDefault");

_Object$defineProperty(exports, "__esModule", {
  value: true
});

exports["default"] = useStateRef;

var _slicedToArray2 = _interopRequireDefault(require("@babel/runtime-corejs3/helpers/slicedToArray"));

var _react = require("react");

function useStateRef(initialState) {
  var _useState = (0, _react.useState)(initialState),
      _useState2 = (0, _slicedToArray2["default"])(_useState, 2),
      state = _useState2[0],
      setState = _useState2[1];

  var ref = (0, _react.useRef)();
  var setValue = (0, _react.useCallback)(function (nextValue) {
    if (typeof nextValue === 'function') {
      setValue(function (state) {
        nextValue = nextValue(state);
        ref.current = nextValue;
        return nextValue;
      });
    } else {
      ref.current = nextValue;
      setValue(nextValue);
    }
  }, [ref]);
  ref.current = state;
  return [state, setState, ref];
}
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