react-native-mapsforge-vtm/lib/commonjs/compose/useRefState.js

React Native components to build vector maps using Mapsforges fork of vtm. Offline rendering of OpenStreetMap data. Android only

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;
var _react = require("react");
/**
 * External dependencies
 */

/**
 * Like useState, returns a stateful value, and a function to update it.
 * But uses a ref instead of a state.
 * Like this react manages to "update the state" of many sibling components concurrently. Well, it's not updating the state actually, it's updating the ref.
 */
const useRefState = initial => {
  const stateRef = (0, _react.useRef)(initial);
  return [stateRef?.current, newVal => {
    stateRef.current = newVal;
  }];
};
var _default = exports.default = useRefState;
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