66 lines
1.4 KiB
JavaScript
66 lines
1.4 KiB
JavaScript
import log from 'loglevel';
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import getFetchWithTimeout from '../../../shared/modules/fetch-with-timeout';
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const fetchWithTimeout = getFetchWithTimeout();
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const FIXTURE_SERVER_HOST = 'localhost';
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const FIXTURE_SERVER_PORT = 12345;
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const FIXTURE_SERVER_URL = `http://${FIXTURE_SERVER_HOST}:${FIXTURE_SERVER_PORT}/state.json`;
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/**
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* A read-only network-based storage wrapper
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*/
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export default class ReadOnlyNetworkStore {
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constructor() {
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this._initialized = false;
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this._initializing = this._init();
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this._state = undefined;
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}
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/**
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* Declares this store as compatible with the current browser
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*/
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isSupported = true;
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/**
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* Initializes by loading state from the network
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*/
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async _init() {
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try {
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const response = await fetchWithTimeout(FIXTURE_SERVER_URL);
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if (response.ok) {
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this._state = await response.json();
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}
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} catch (error) {
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log.debug(`Error loading network state: '${error.message}'`);
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} finally {
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this._initialized = true;
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}
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}
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/**
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* Returns state
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*
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* @returns {Promise<object>}
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*/
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async get() {
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if (!this._initialized) {
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await this._initializing;
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}
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return this._state;
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}
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/**
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* Set state
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*
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* @param {object} state - The state to set
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* @returns {Promise<void>}
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*/
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async set(state) {
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if (!this._initialized) {
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await this._initializing;
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}
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this._state = state;
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}
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}
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