feat(): add a new config option to determine whether retry or not

Author: kamilmysliwiec

lib/interfaces/typeorm-options.interface.ts

@@ -13,6 +13,14 @@ export type TypeOrmModuleOptions = {
    * Default: 3000
    */
   retryDelay?: number;
+  /**
+   * Function that determines whether the module should
+   * attempt to connect upon failure.
+   *
+   * @param err error that was thrown
+   * @returns whether to retry connection or not
+   */
+  toRetry?: (err: any) => boolean;
   /**
    * If `true`, entities will be loaded automatically.
    */