prompt will have to be self made, or extending more basic levels of enquirer

AppTest.js

@@ -20,18 +20,20 @@ const {
 } = require ('./dist/lib/index.js');
 
 (async () => {
-  const str = await new StringOption ({ name: 'str' })
-    .parse ();
-  const bool = await new BooleanOption ({ name: 'bool' })
-    .parse ();
-  const num = await new NumberOption ({ name: 'num' })
-    .parse ();
-  const arr = await new ArrayOption ({ name: 'arr' })
-    .parse ();
+  /*
+   * const str = await new StringOption ({ name: 'str' })
+   *.parse ();
+   *const bool = await new BooleanOption ({ name: 'bool' })
+   *.parse ();
+   *const num = await new NumberOption ({ name: 'num' })
+   *.parse ();
+   *const arr = await new ArrayOption ({ name: 'arr' })
+   *.parse ();
+   */
   const fld = await new FolderOption ({ name: 'fld' })
     .parse ();
 
-  const data = { str, bool, num, arr, fld };
+  const data = { /* str, bool, num, arr,*/ fld };
 
   console.log (data);
 }) ();

Jenkinsfile

@@ -5,7 +5,7 @@ pipeline {
       VERSION = VersionNumber([
           versionNumberString:
               '${BUILDS_ALL_TIME}',
-          versionPrefix: '2.0.',
+          versionPrefix: '2.1.',
           worstResultForIncrement: 'SUCCESS'
       ])
   }

lib/Sources/Interactive/PathCustomPrompt.ts

@@ -0,0 +1,34 @@
+/* eslint-disable no-sync */
+import { dirname, join, sep, basename } from 'path';
+import fs from 'fs-extra';
+
+function read_dir (dir:string, exclude_files:boolean):string[] {
+  const contents = fs.readdirSync (dir);
+  contents.unshift ('..');
+  if (exclude_files) {
+    return contents.filter ((c) => {
+      const full_path = join (dir, c);
+      try {
+        return fs.statSync (full_path)
+          .isDirectory ();
+      }
+      catch {
+        return false;
+      }
+    });
+  }
+  return contents;
+}
+
+interface PathPromptOptions {
+  starting_dir?: string;
+  folders_only?: boolean;
+}
+
+export class PathPrompt {
+  private _options: PathPromptOptions;
+
+  public constructor (options:PathPromptOptions) {
+    this._options = options;
+  }
+}

lib/Sources/Interactive/PathSubSource.ts

@@ -0,0 +1,24 @@
+import { InteractiveSubSource } from './InteractiveSubSource';
+import { PathPrompt } from './PathCustomPrompt';
+
+export class PathSubSource extends InteractiveSubSource {
+  protected condition ():boolean {
+    return [
+      'path',
+      'file',
+      'folder'
+    ].includes (this.val.type_validation.option_type);
+  }
+
+  protected async run (): Promise<void> {
+    await this.val.assign_arg (
+      this.opt,
+      await new PathPrompt ({
+        message:     this.get_message (),
+        default:     this.opt.default,
+        folder_only: this.val.type_validation.option_type === 'folder'
+      })
+        .run ()
+    );
+  }
+}

lib/Sources/Interactive/index.ts

@@ -2,10 +2,12 @@ import { ArraySubSource } from './ArraySubSource';
 import { BooleanSubSource } from './BooleanSubSource';
 import { PresetSubSource } from './PresetSubSource';
 import { StringSubSource } from './StringSubSource';
+import { PathSubSource } from './PathSubSource';
 
 export const sources = [
   ArraySubSource,
   BooleanSubSource,
   PresetSubSource,
+  PathSubSource,
   StringSubSource
 ];

tsconfig.json

@@ -1,6 +1,6 @@
 {
   "compilerOptions": {
-    "target": "es5",
+    "target": "es6",
     "module": "commonjs",
     "outDir": "./dist",
     "rootDir": "./",