bencripps / react-redux-grid

import { debounce } from './../../util/throttle';

export class LocalStorageManager {

    setStateItem({ stateKey, property, value }) {

        const json = JSON.stringify(value);

        if (!window.localStorage) {

            return value;

        }

        window.localStorage.setItem(

            this.getKey({ stateKey, property }), json

    }

    debouncedSetStateItem() {

        return debounce(this.setStateItem.bind(this), 500, false);

    }

    getStateItem({ stateKey, property, value, shouldSave = true }) {

        if (!window.localStorage) {

            return value;

        }

        const item = window.localStorage.getItem(

            this.getKey({ stateKey, property })

        );

        if (item) {

            return JSON.parse(item);

        }

        if (value && shouldSave) {

            this.setStateItem({ stateKey, property, value });

        }

        return value;

    }

    getKey({ stateKey, property }) {

        if (!stateKey || !property) {

            throw new Error('stateKey and property are required params');

        }

        return `react-grid-${stateKey}-${property}`;

    }

}

export default new LocalStorageManager();