react-principal/lib/persist.js

A state management with react context for apps which using hooks.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.persistReducer = exports.persisterCreator = void 0;
const utils_1 = require("./utils");
const INITIALIZE_STATE_FROM_STORAGE = Symbol();
exports.persisterCreator = function persisterCreator(Storage, key, mapStateToPersist) {
    return {
        persist(state, action) {
            if (action.type !== INITIALIZE_STATE_FROM_STORAGE) {
                Storage.setItem(key, JSON.stringify(mapStateToPersist ? mapStateToPersist(state) : state));
            }
        },
        async setToState(storeRef) {
            try {
                const storedState = await Storage.getItem(key);
                if (!storedState) {
                    return;
                }
                const stateObject = JSON.parse(storedState);
                const { dispatch } = storeRef.current;
                const mappedState = mapStateToPersist
                    ? mapStateToPersist(stateObject)
                    : stateObject;
                dispatch({
                    type: INITIALIZE_STATE_FROM_STORAGE,
                    payload: mappedState,
                });
            }
            catch (error) {
                if (utils_1.__DEV__) {
                    console.error(error);
                }
            }
        },
    };
};
exports.persistReducer = (reducer) => (state, action) => {
    if (action.type === INITIALIZE_STATE_FROM_STORAGE) {
        return { ...state, ...action.payload };
    }
    return reducer(state, action);
};
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