fix: wrong returned type

packages/falso/src/lib/sequence.ts

@@ -31,8 +31,8 @@ type RandomSequenceOptions2 = {
 // Helper type to determine the return type based on `charType`
 type ReturnTypeFromCharType<CharType extends CharTypes | undefined> =
   CharType extends 'numeric' | 'alpha' | 'alphaNumeric' | 'special'
-    ? string
-    : string[];
+    ? CharType
+    : string;
 
 /**
  * Generate a random sequence.

packages/falso/src/tests/password.spec.ts

@@ -0,0 +1,21 @@
+import { randPassword } from '../lib/password';
+
+describe('randPassword', () => {
+  it('should generate a string of default length 15 with default chars', () => {
+    const result = randPassword();
+    expect(result).toHaveLength(15); // Default length should be 15
+    expect(typeof result).toBe('string'); // Result should be a string
+  });
+
+  it('should generate a string of length 10 with default chars', () => {
+    const result = randPassword({ size: 10 });
+    expect(result).toHaveLength(10);
+    expect(typeof result).toBe('string'); // Result should be a string
+  });
+
+  it('should generate am array string of length 10 with default chars', () => {
+    const result = randPassword({ length: 10 });
+    expect(result).toHaveLength(10);
+    expect(result.length).toBe(10);
+  });
+});