redux-act-classy/dist/lib/Middleware.js

Make Redux classier with Async Lifecycle Actions that take a modern approach to redux action creation.

"use strict";
var __assign = (this && this.__assign) || function () {
    __assign = Object.assign || function(t) {
        for (var s, i = 1, n = arguments.length; i < n; i++) {
            s = arguments[i];
            for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
                t[p] = s[p];
        }
        return t;
    };
    return __assign.apply(this, arguments);
};
Object.defineProperty(exports, "__esModule", { value: true });
var _ = require("lodash");
var defaultConfig = {
    dispatchLifecycleActions: true
};
exports.buildAClassyMiddleware = function (config) { return function (_a) {
    var dispatch = _a.dispatch, getState = _a.getState;
    return function (next) { return function (action) {
        var dispatchLifecycleActions = Object.assign(defaultConfig, config).dispatchLifecycleActions;
        var actionIsAClass = !_.isPlainObject(action);
        if (actionIsAClass) {
            var actionAsObject_1 = extractNonFunctionFields(action);
            var isAsynchronousAction = _.isFunction(action.perform);
            if (isAsynchronousAction) {
                if (dispatchLifecycleActions) {
                    dispatch({
                        actionData: actionAsObject_1,
                        type: action.constructor.OnStart
                    });
                }
                return action
                    .perform(dispatch, getState)
                    .then(function (successResult) {
                    return dispatchLifecycleActions &&
                        dispatch({
                            actionData: actionAsObject_1,
                            type: action.constructor.OnSuccess,
                            successResult: successResult
                        });
                })
                    .catch(function (errorResult) {
                    return dispatchLifecycleActions &&
                        dispatch({
                            actionData: actionAsObject_1,
                            type: action.constructor.OnError,
                            errorResult: errorResult
                        });
                })
                    .finally(function () {
                    return dispatchLifecycleActions &&
                        dispatch({
                            actionData: actionAsObject_1,
                            type: action.constructor.OnComplete
                        });
                });
            }
            else {
                return next(__assign({}, actionAsObject_1));
            }
        }
        else {
            return next(action);
        }
    }; };
}; };
var extractNonFunctionFields = function (obj) {
    var cleanedObj = {};
    Object.keys(obj)
        .filter(function (key) { return !_.isFunction(obj[key]); })
        .forEach(function (key) {
        cleanedObj[key] = obj[key];
    });
    return cleanedObj;
};
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