red-redux-class/dist/ReduxClass.decorator.js

Use objects and composition for creating complex reducers which can be easily maintained.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var ReduxClass_class_1 = require("./ReduxClass.class");
function searchObjectForNew(state, parentKey, statePaths) {
    if (parentKey === void 0) { parentKey = ''; }
    if (statePaths === void 0) { statePaths = []; }
    state.forEachInstance(function (attr, key) {
        var path = parentKey + '.' + key;
        searchObjectForNew(attr, path, statePaths);
        statePaths.push(path.slice(1));
    });
    return statePaths;
}
function traverseStateForNew(state, paths) {
    if (!paths) {
        paths = searchObjectForNew(state);
    }
    state.$setNotNew();
    paths.forEach(function (path) {
        var target = state.getPath(path);
        target.$setNotNew();
    });
    return paths;
}
function ReduxClassWrapper(reducer) {
    var decorated = createReducer;
    function stateReducerHandler(newState) {
        if (!ReduxClass_class_1.ReduxClass.isReduxClass(newState)) {
            throw new Error('Reducer should be of ReduxClass type');
        }
        traverseStateForNew(newState);
        return newState;
    }
    function decoratedStateReducer(state, action) {
        var newState = reducer(state, action);
        return stateReducerHandler(newState);
    }
    function createReducer(state, action) {
        var newState = reducer(state, action);
        if (ReduxClass_class_1.ReduxClass.isReduxClass(state) || ReduxClass_class_1.ReduxClass.isReduxClass(newState)) {
            stateReducerHandler(newState);
            decorated = decoratedStateReducer;
        }
        else {
            decorated = reducer;
        }
        return newState;
    }
    function main(state, action) {
        return decorated(state, action);
    }
    return main;
}
exports.ReduxClassWrapper = ReduxClassWrapper;
exports.privateMethods = {
    searchObjectForNew: searchObjectForNew,
    traverseStateForNew: traverseStateForNew,
};
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