@restorecommerce/chassis-srv/lib/cache/index.js

Restore Commerce microservice chassis

"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
      desc = { enumerable: true, get: function() { return m[k]; } };
    }
    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
    __setModuleDefault(result, mod);
    return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.get = exports.register = void 0;
const _ = __importStar(require("lodash"));
const cache_manager_1 = require("cache-manager");
const keyv_1 = require("keyv");
const lru_cache_1 = require("lru-cache");
/**
 * A key, value map containing cache providers.
 * Cache providers are registered with the register function.
 */
const providers = {};
/**
 * Register a cache provider.
 * Providers need to be compatible to the node-cache-manager module.
 * https://github.com/BryanDonovan/node-cache-manager
 * @param  {string} name     cache provider identifier
 * @param  {constructor} provider cache store constructor
 */
const register = (name, provider) => {
    providers[name] = provider;
};
exports.register = register;
// register defaults
// add memory provider by default, since it is included with the cache-manager.
(0, exports.register)('memory', (config, logger) => {
    const options = {
        max: config?.max || 500,
        dispose: config?.dispose,
        allowStale: config?.allowStale,
        ttl: config?.ttl || 5000,
    };
    const lruCache = new lru_cache_1.LRUCache(options);
    const keyv = new keyv_1.Keyv({ store: lruCache });
    const cache = (0, cache_manager_1.createCache)({ stores: [keyv] });
    return cache;
});
/**
 * Get a new cache instance.
 * @param {Object} config Cache configuration
 * @param [Logger] logger
 * @return Cache instance
 */
const get = (config, logger) => {
    if (_.isNil(config)) {
        throw new Error('missing argument config');
    }
    const providerName = config[0].provider;
    const provider = providers[providerName];
    const cache = provider(config, logger);
    return cache;
};
exports.get = get;
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