"use strict"; var _interopRequireWildcard = require("@babel/runtime/helpers/interopRequireWildcard"); var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault"); Object.defineProperty(exports, "__esModule", { value: true }); exports.default = useControlledState; var _slicedToArray2 = _interopRequireDefault(require("@babel/runtime/helpers/slicedToArray")); var React = _interopRequireWildcard(require("react")); function useControlledState(defaultStateValue, option) { var _ref = option || {}, defaultValue = _ref.defaultValue, value = _ref.value, onChange = _ref.onChange, postState = _ref.postState; var _React$useState = React.useState(function () { if (value !== undefined) { return value; } if (defaultValue !== undefined) { return typeof defaultValue === 'function' ? defaultValue() : defaultValue; } return typeof defaultStateValue === 'function' ? defaultStateValue() : defaultStateValue; }), _React$useState2 = (0, _slicedToArray2.default)(_React$useState, 2), innerValue = _React$useState2[0], setInnerValue = _React$useState2[1]; var mergedValue = value !== undefined ? value : innerValue; if (postState) { mergedValue = postState(mergedValue); } // setState var onChangeRef = React.useRef(onChange); onChangeRef.current = onChange; var triggerChange = React.useCallback(function (newValue) { setInnerValue(newValue); if (mergedValue !== newValue && onChangeRef.current) { onChangeRef.current(newValue, mergedValue); } }, [mergedValue, onChangeRef]); // Effect of reset value to `undefined` var firstRenderRef = React.useRef(true); React.useEffect(function () { if (firstRenderRef.current) { firstRenderRef.current = false; return; } if (value === undefined) { setInnerValue(value); } }, [value]); return [mergedValue, triggerChange]; }