feat(MongoMemoryServer): remove usage of "tmp" package

Author: hasezoey

docs/api/interfaces/mongo-memory-instance-opts.md

@@ -67,7 +67,7 @@ This options will get automatically set with a free port that is found.
 Typings: `dbPath?: string`
 
 When set, adds the `--dbpath` argument with the input.  
-This option will automatically be set with a directory generated by [`tmp`](https://www.npmjs.com/package/tmp).
+This option will automatically be set with a directory generated by [`mkdtemp`](https://nodejs.org/api/fs.html#fspromisesmkdtempprefix-options).
 
 ### storageEngine
 

docs/guides/faq.md

@@ -13,7 +13,7 @@ It is currently recommended to directly look at the TSDoc for these properties t
 
 ### Do testing database paths get cleaned up?
 
-If the Database-path is a temporary directory (generated with `tmp`), then it will automatically get cleaned-up when calling `.stop()`, this can be disabled with `.stop(false)`.  
+If the Database-path is a temporary directory (generated with `mkdtemp`), then it will automatically get cleaned-up when calling `.stop()`, this can be disabled with `.stop(false)`.  
 If the Database-path is manually set with `dbPath`, then it needs to be manually cleaned-up with `.cleanup(true)`.
 
 :::tip

packages/mongodb-memory-server-core/src/MongoMemoryServer.ts

@@ -1,5 +1,4 @@
 import { SpawnOptions } from 'child_process';
-import * as tmp from 'tmp';
 import getPort from 'get-port';
 import {
   assertion,
@@ -10,6 +9,8 @@ import {
   statPath,
   ManagerAdvanced,
   Cleanup,
+  createTmpDir,
+  removeDir,
 } from './util/utils';
 import { MongoInstance, MongodOpts, MongoMemoryInstanceOpts } from './util/MongoInstance';
 import { MongoBinaryOpts } from './util/MongoBinary';
@@ -23,8 +24,6 @@ import * as os from 'os';
 
 const log = debug('MongoMS:MongoMemoryServer');
 
-tmp.setGracefulCleanup();
-
 /**
  * MongoMemoryServer Stored Options
  */
@@ -83,7 +82,7 @@ export interface StartupInstanceData {
   ip: NonNullable<MongoMemoryInstanceOpts['ip']>;
   storageEngine: NonNullable<MongoMemoryInstanceOpts['storageEngine']>;
   replSet?: NonNullable<MongoMemoryInstanceOpts['replSet']>;
-  tmpDir?: tmp.DirResult;
+  tmpDir?: string;
   keyfileLocation?: NonNullable<MongoMemoryInstanceOpts['keyfileLocation']>;
   launchTimeout?: NonNullable<MongoMemoryInstanceOpts['launchTimeout']>;
 }
@@ -382,12 +381,8 @@ export class MongoMemoryServer extends EventEmitter implements ManagerAdvanced {
     if (isNullOrUndefined(this._instanceInfo)) {
       // create an tmpDir instance if no "dbPath" is given
       if (!data.dbPath) {
-        data.tmpDir = tmp.dirSync({
-          mode: 0o755,
-          prefix: 'mongo-mem-',
-          unsafeCleanup: true,
-        });
-        data.dbPath = data.tmpDir.name;
+        data.tmpDir = await createTmpDir('mongo-mem-');
+        data.dbPath = data.tmpDir;
 
         isNew = true; // just to ensure "isNew" is "true" because an new temporary directory got created
       } else {
@@ -603,8 +598,8 @@ export class MongoMemoryServer extends EventEmitter implements ManagerAdvanced {
     const tmpDir = this._instanceInfo.tmpDir;
 
     if (!isNullOrUndefined(tmpDir)) {
-      this.debug(`cleanup: removing tmpDir at ${tmpDir.name}`);
-      tmpDir.removeCallback();
+      this.debug(`cleanup: removing tmpDir at ${tmpDir}`);
+      await removeDir(tmpDir);
     }
 
     if (cleanup.force) {