determination/lib/store.js

Configuration resolver using confidence and shortstop.

/**
 *
 * MIT License
 *
 * Copyright (c) 2019 Expedia, Inc
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 * 
**/

'use strict';

const Props = require('dot-prop');
const Hoek = require('@hapi/hoek');

class Store {
    constructor(config) {
        this._data = config;
    }

    get data() {
        return Object.assign({}, this._data);
    }

    merge(config) {
        this._data = Hoek.applyToDefaults(this._data, config);
    }

    use(store) {
        this.merge(store.data);
    }

    get(key) {
        return Props.get(this._data, key);
    }

    set(key, value) {
        Props.set(this._data, key, value);
    }
}

module.exports = Store;