redux-promise-middleware-actions/lib/reducers.js

Redux action creator for making async actions with redux-promise-middleware

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.asyncReducer = exports.createReducer = exports.createHandlerMap = exports.getType = void 0;
var tslib_1 = require("tslib");
function getType(actionCreator) {
    return actionCreator.toString();
}
exports.getType = getType;
function createHandlerMap(actionCreators, handler) {
    return (Array.isArray(actionCreators) ? actionCreators : [actionCreators])
        .map(getType)
        .reduce(function (acc, type) {
        acc[type] = handler;
        return acc;
    }, {});
}
exports.createHandlerMap = createHandlerMap;
function createReducer(defaultState, handlerMapsCreator) {
    var handlerMap = Object.assign.apply(Object, tslib_1.__spreadArrays([{}], handlerMapsCreator(createHandlerMap)));
    return function (state, action) {
        if (state === void 0) { state = defaultState; }
        var handler = handlerMap[action.type];
        return handler ? handler(state, action) : state;
    };
}
exports.createReducer = createReducer;
var asyncReducer = function (fn) {
    var defaultState = {};
    return createReducer(defaultState, function (handleAction) { return [
        handleAction(fn.pending, function (state) { return (tslib_1.__assign(tslib_1.__assign({}, state), { pending: true })); }),
        handleAction(fn.fulfilled, function (state, _a) {
            var payload = _a.payload;
            return (tslib_1.__assign(tslib_1.__assign({}, state), { pending: false, error: undefined, data: payload, date: Date.now() }));
        }),
        handleAction(fn.rejected, function (state, _a) {
            var payload = _a.payload;
            return (tslib_1.__assign(tslib_1.__assign({}, state), { pending: false, error: payload }));
        }),
    ]; });
};
exports.asyncReducer = asyncReducer;
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