62 lines
1.5 KiB
JavaScript
62 lines
1.5 KiB
JavaScript
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// Copyright 2015-2017 Parity Technologies (UK) Ltd.
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// This file is part of Parity.
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// Parity is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Parity is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Parity. If not, see <http://www.gnu.org/licenses/>.
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import { action, observable } from 'mobx';
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import localStore from 'store';
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const LS_KEY = '_parity::history';
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const MAX_ENTRIES = 5;
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const instances = {};
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export default class Store {
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@observable history = [];
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constructor (type) {
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this.historyKey = `${LS_KEY}::${type}`;
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this.load();
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}
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@action add = (entry) => {
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this.history = [{
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timestamp: Date.now(),
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entry
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}].concat(this.history.filter((h) => h.entry !== entry)).slice(0, MAX_ENTRIES);
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this.save();
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}
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@action clear = () => {
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this.history = [];
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this.save();
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}
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@action load = () => {
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this.history = localStore.get(this.historyKey) || [];
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}
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save = () => {
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return localStore.set(this.historyKey, this.history);
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}
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static get (type) {
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if (!instances[type]) {
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instances[type] = new Store(type);
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}
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return instances[type];
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}
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}
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