use-middleware-reducer/lib/index.js

An efficient react hook to benefit from the huge middleware ecosystem of redux

'use strict';

Object.defineProperty(exports, '__esModule', { value: true });

var React = require('react');

var useMiddlewareReducer = function (reducer, initialState, middlewares) {
    if (middlewares === void 0) { middlewares = []; }
    var _a = React.useState(initialState), state = _a[0], setState = _a[1];
    var stateRef = React.useRef(state);
    var dispatch = React.useMemo(function () {
        var dispatch = function () {
            throw new Error("Dispatching while constructing your middleware is not allowed. " +
                "Other middleware would not be applied to this dispatch.");
        };
        var middlewareAPI = {
            getState: function () { return stateRef.current; },
            dispatch: function (action) { return dispatch(action); }
        };
        var localDispatch = function (action) {
            stateRef.current = reducer(stateRef.current, action);
            setState(stateRef.current);
        };
        dispatch = middlewares
            .map(function (middleware) { return middleware(middlewareAPI); })
            .reduceRight(function (acc, middleware) { return middleware(acc); }, localDispatch);
        return dispatch;
        // eslint-disable-next-line react-hooks/exhaustive-deps
    }, []);
    return [state, dispatch];
};

exports.useMiddlewareReducer = useMiddlewareReducer;
exports['default'] = useMiddlewareReducer;