ionic-coreo/dist/sync.js

Ionic2 module for integration with Coreo

"use strict";
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
    var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
    if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
    else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
    return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __metadata = (this && this.__metadata) || function (k, v) {
    if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
var core_1 = require('@angular/core');
var effects_1 = require('@ngrx/effects');
var store_1 = require('@ngrx/store');
var Observable_1 = require('rxjs/Observable');
var storage_1 = require('@ionic/storage');
var dottie = require('dottie');
var STORAGE_KEY = 'APP_STATE';
var storage = new storage_1.Storage();
function fetchState() {
    return storage
        .get(STORAGE_KEY)
        .then(function (s) { return JSON.parse(s); })
        .then(function (s) { return s || {}; })
        .catch(function (err) { });
}
function saveState(state, keys) {
    // Pull out the portion of the state to save.
    if (keys) {
        state = keys.reduce(function (acc, k) {
            var val = dottie.get(state, k);
            if (val) {
                dottie.set(acc, k, val);
            }
            return acc;
        }, {});
    }
    return storage.set(STORAGE_KEY, JSON.stringify(state));
}
;
exports.StorageSyncActions = {
    HYDRATED: '__APP_HYDRATED__'
};
var CoreoStorageSyncEffects = (function () {
    function CoreoStorageSyncEffects(actions$) {
        this.actions$ = actions$;
        this.hydrate$ = this.actions$
            .ofType(store_1.Dispatcher.INIT)
            .switchMap(function () {
            return Observable_1.Observable
                .fromPromise(fetchState())
                .map(function (state) { return ({
                type: exports.StorageSyncActions.HYDRATED,
                payload: state
            }); });
        });
    }
    CoreoStorageSyncEffects.decorators = [
        { type: core_1.Injectable },
    ];
    /** @nocollapse */
    CoreoStorageSyncEffects.ctorParameters = [
        { type: effects_1.Actions, },
    ];
    __decorate([
        effects_1.Effect(), 
        __metadata('design:type', Observable_1.Observable)
    ], CoreoStorageSyncEffects.prototype, "hydrate$", void 0);
    return CoreoStorageSyncEffects;
}());
exports.CoreoStorageSyncEffects = CoreoStorageSyncEffects;
;
var defaultOptions = {
    keys: [],
    ignoreActions: []
};
function coreoStorageSync(options) {
    var _a = Object.assign({}, defaultOptions, options || {}), keys = _a.keys, ignoreActions = _a.ignoreActions, hydratedStateKey = _a.hydratedStateKey;
    ignoreActions.push(store_1.Dispatcher.INIT);
    ignoreActions.push(exports.StorageSyncActions.HYDRATED);
    var hydratedState = {};
    return function coreoStorageSyncReducer(reducer) {
        return function (state, action) {
            var type = action.type, payload = action.payload;
            if (type === exports.StorageSyncActions.HYDRATED) {
                state = payload;
                if (hydratedStateKey) {
                    hydratedState[hydratedStateKey] = true;
                }
            }
            var nextState = Object.assign({}, reducer(state, action), hydratedState);
            if (ignoreActions.indexOf(type) === -1) {
                saveState(nextState, keys)
                    .catch(function (err) {
                    console.log('Error syncing state:', err);
                });
            }
            return nextState;
        };
    };
}
exports.coreoStorageSync = coreoStorageSync;
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