Use rimraf to remove the temp dir

Fixes #56

lib/ng-openapi-gen.ts

@@ -12,6 +12,7 @@ import { Operation } from './operation';
 import { Options } from './options';
 import { Service } from './service';
 import { Templates } from './templates';
+import rimraf from 'rimraf';
 
 /**
  * Main generator class
@@ -96,7 +97,7 @@ export class NgOpenApiGen {
     syncDirs(this.tempDir, this.outDir, this.options.removeStaleFiles !== false);
 
     // Finally, remove the temp directory
-    fs.rmdirSync(this.tempDir, { recursive: true });
+    rimraf.sync(this.tempDir);
 
     console.info(`Generation from ${this.options.input} finished with ${models.length} models and ${services.length} services.`);
   }

package.json

@@ -32,6 +32,7 @@
     "@types/lodash": "^4.14.149",
     "@types/mkdirp": "^0.5.2",
     "@types/node": "^12.12.21",
+    "@types/rimraf": "^2.0.3",
     "argparse": "^1.0.10",
     "esm": "^3.2.25",
     "fs-extra": "^8.1.0",
@@ -41,6 +42,7 @@
     "json-schema-ref-parser": "^7.1.2",
     "lodash": "^4.17.15",
     "mkdirp": "^0.5.1",
+    "rimraf": "^2.7.1",
     "ts-node": "^8.5.4",
     "typescript": "^3.7.3"
   },
@@ -56,7 +58,6 @@
     "mem": "^5.1.1",
     "ncp": "^2.0.0",
     "replace-in-file": "^4.3.1",
-    "rimraf": "^2.7.1",
     "tslint": "^5.20.1",
     "typescript-parser": "^2.6.1"
   }