Added the functionality of removing special characters

src/index.test.ts

@@ -55,4 +55,42 @@ describe('slugPress', () => {
 
     expect(actual).toBe(expected);
   });
-});
+
+  test('should remove special characters by default', () => {
+    const input = 'hello@world!';
+
+    const actual = slugPress(input);
+    const expected = 'hello-world';
+
+    expect(actual).toBe(expected);
+  });
+
+  test('should not remove special characters if removeSpecialChars is false', () => {
+    const input = 'hello@world!';
+    const options: SlugPressOptions = { removeSpecialChars: false };
+
+    const actual = slugPress(input, options);
+    const expected = 'hello@world!';
+
+    expect(actual).toBe(expected);
+  });
+
+  test('should handle input with only special characters', () => {
+    const input = '@#$%^&*()';
+
+    const actual = slugPress(input);
+    const expected = '';
+
+    expect(actual).toBe(expected);
+  });
+
+  test('should not remove special characters but replace spaces with custom separator', () => {
+    const input = 'hello @ world !';
+    const options: SlugPressOptions = { separator: '_', removeSpecialChars: false };
+
+    const actual = slugPress(input, options);
+    const expected = 'hello_@_world_!';
+
+    expect(actual).toBe(expected);
+  });
+});

src/index.ts

@@ -1,17 +1,22 @@
 export interface SlugPressOptions {
   separator?: string;
+  removeSpecialChars?: boolean;
 }
 
 export const slugPress = (input: string, options: SlugPressOptions = {}): string => {
-  const {
-    separator = '-'
-  } = options;
+  const { separator = '-', removeSpecialChars = true } = options;
 
   // Removing spaces at the edges of a line
   let result = input.trim();
 
+  // Deleting all characters except letters, numbers, and spaces
+  if (removeSpecialChars) {
+    result = result.replace(/[^\w\s]/g, ' ');
+    result = result.trim();
+  }
+
   // Replacing spaces with a separator
   result = result.replace(/\s+/g, separator);
 
   return result;
-};
+};