refactor: move isMongoMemoryReplSetOptions to helpers.ts

Author: batovpasha

src/environment.ts

@@ -5,19 +5,10 @@ import {TestEnvironment} from 'jest-environment-node';
 import {MongoMemoryReplSet, MongoMemoryServer} from 'mongodb-memory-server';
 import type {EnvironmentContext} from '@jest/environment';
 import type {JestEnvironmentConfig} from '@jest/environment';
-import {getMongodbMemoryOptions} from './helpers';
+import {getMongodbMemoryOptions, isMongoMemoryReplSetOptions} from './helpers';
 
 const debug = require('debug')('jest-mongodb:environment');
 
-type MongoMemoryReplSetOpts = NonNullable<ConstructorParameters<typeof MongoMemoryReplSet>[0]>;
-type MongoMemoryServerOpts = NonNullable<ConstructorParameters<typeof MongoMemoryServer>[0]>;
-
-export function isMongoMemoryReplSetOptions(
-  options?: MongoMemoryReplSetOpts | MongoMemoryServerOpts
-): options is MongoMemoryReplSetOpts {
-  return Boolean((options as MongoMemoryReplSetOpts).replSet);
-}
-
 module.exports = class MongoEnvironment extends TestEnvironment {
   globalConfigPath: string;
   mongo: MongoMemoryReplSet | MongoMemoryServer;

src/helpers.ts

@@ -7,6 +7,12 @@ const configFile = process.env.MONGO_MEMORY_SERVER_FILE || 'jest-mongodb-config.
 type MongoMemoryReplSetOpts = NonNullable<ConstructorParameters<typeof MongoMemoryReplSet>[0]>;
 type MongoMemoryServerOpts = NonNullable<ConstructorParameters<typeof MongoMemoryServer>[0]>;
 
+export function isMongoMemoryReplSetOptions(
+  options?: MongoMemoryReplSetOpts | MongoMemoryServerOpts
+): options is MongoMemoryReplSetOpts {
+  return Boolean((options as MongoMemoryReplSetOpts).replSet);
+}
+
 export function getMongodbMemoryOptions(
   cwd: string
 ): MongoMemoryReplSetOpts | MongoMemoryServerOpts | undefined {

src/setup.ts

@@ -9,7 +9,7 @@ import {
   getMongodbMemoryOptions,
   shouldUseSharedDBForAllJestWorkers,
 } from './helpers';
-import {isMongoMemoryReplSetOptions} from './environment';
+import {isMongoMemoryReplSetOptions} from './helpers';
 
 const debug = require('debug')('jest-mongodb:setup');