typeorm/browser/cache/QueryResultCacheFactory.js

Data-Mapper ORM for TypeScript and ES2021+. Supports MySQL/MariaDB, PostgreSQL, MS SQL Server, Oracle, SAP HANA, SQLite, MongoDB databases.

import { RedisQueryResultCache } from "./RedisQueryResultCache";
import { DbQueryResultCache } from "./DbQueryResultCache";
import { TypeORMError } from "../error/TypeORMError";
/**
 * Caches query result into Redis database.
 */
export class QueryResultCacheFactory {
    // -------------------------------------------------------------------------
    // Constructor
    // -------------------------------------------------------------------------
    constructor(connection) {
        this.connection = connection;
    }
    // -------------------------------------------------------------------------
    // Public Methods
    // -------------------------------------------------------------------------
    /**
     * Creates a new query result cache based on connection options.
     */
    create() {
        if (!this.connection.options.cache)
            throw new TypeORMError(`To use cache you need to enable it in connection options by setting cache: true or providing some caching options. Example: { host: ..., username: ..., cache: true }`);
        const cache = this.connection.options.cache;
        if (cache.provider && typeof cache.provider === "function") {
            return cache.provider(this.connection);
        }
        if (cache.type === "redis" ||
            cache.type === "ioredis" ||
            cache.type === "ioredis/cluster") {
            return new RedisQueryResultCache(this.connection, cache.type);
        }
        else {
            return new DbQueryResultCache(this.connection);
        }
    }
}

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