@appbuckets/react-ui-core/useAutoControlledValue/index.js

Core utilities built for AppBuckets React UI Framework

'use strict';

var tslib = require('tslib');
var React = require('react');

function _interopNamespace(e) {
  if (e && e.__esModule) return e;
  var n = Object.create(null);
  if (e) {
    Object.keys(e).forEach(function (k) {
      if (k !== 'default') {
        var d = Object.getOwnPropertyDescriptor(e, k);
        Object.defineProperty(
          n,
          k,
          d.get
            ? d
            : {
                enumerable: true,
                get: function () {
                  return e[k];
                },
              }
        );
      }
    });
  }
  n['default'] = e;
  return Object.freeze(n);
}

var React__namespace = /*#__PURE__*/ _interopNamespace(React);

function useAutoControlledValue(initialState, config) {
  var _a = config !== null && config !== void 0 ? config : {},
    prop = _a.prop,
    defaultProp = _a.defaultProp;
  var _b = tslib.__read(
      React__namespace.useState(
        prop === undefined
          ? defaultProp === undefined
            ? initialState
            : defaultProp
          : prop
      ),
      2
    ),
    state = _b[0],
    setState = _b[1];
  // Counterpart to the `static getDerivedStateFromProps` method, but for one key only.
  // When `prop` has changed since last render, update `state` with the `prop`'s value.
  // https://reactjs.org/docs/hooks-faq.html#how-do-i-implement-getderivedstatefromprops
  var getDerivedStateFromProps = React__namespace.useCallback(
    function () {
      if (prop === undefined || prop === state) {
        return;
      }
      setState(prop);
    },
    [state, prop, setState]
  );
  // Attempt to modify the `state` value internally.
  // When `prop` has already been provided, defer to it and don't update `state`.
  var trySetState = React__namespace.useCallback(
    function (newState) {
      if (prop !== undefined) {
        return;
      }
      setState(newState);
    },
    [prop, setState]
  );
  return [
    prop === undefined ? state : prop,
    trySetState,
    setState,
    getDerivedStateFromProps,
  ];
}

module.exports = useAutoControlledValue;