toUppercase tool, testCases and updated index file

src/pages/string/index.ts

@@ -1,3 +1,4 @@
+import { tool as stringUppercase } from './uppercase/meta';
 import { tool as stringExtractSubstring } from './extract-substring/meta';
 import { tool as stringCreatePalindrome } from './create-palindrome/meta';
 import { tool as stringPalindrome } from './palindrome/meta';

src/pages/string/uppercase/index.tsx

@@ -0,0 +1,11 @@
+import { Box } from '@mui/material';
+import React from 'react';
+import * as Yup from 'yup';
+
+const initialValues = {};
+const validationSchema = Yup.object({
+  // splitSeparator: Yup.string().required('The separator is required')
+});
+export default function Uppercase() {
+  return <Box>Lorem ipsum</Box>;
+}

src/pages/string/uppercase/meta.ts

@@ -0,0 +1,13 @@
+import { defineTool } from '@tools/defineTool';
+import { lazy } from 'react';
+// import image from '@assets/text.png';
+
+export const tool = defineTool('string', {
+  name: 'Uppercase',
+  path: 'uppercase',
+  // image,
+  description: '',
+  shortDescription: '',
+  keywords: ['uppercase'],
+  component: lazy(() => import('./index'))
+});

src/pages/string/uppercase/service.ts

@@ -0,0 +1,3 @@
+export function toUppercase(input: string): string {
+    return input.toUpperCase();
+}

src/pages/string/uppercase/uppercase.service.test.ts

@@ -0,0 +1,34 @@
+import { expect, describe, it } from 'vitest';
+import { toUppercase } from './service';
+
+describe('toUppercase', () => {
+    test('should convert a lowercase string to uppercase', () => {
+        const input = 'hello';
+        const result = toUppercase(input);
+        expect(result).toBe('HELLO');
+    });
+
+    test('should convert a mixed case string to uppercase', () => {
+        const input = 'HeLLo WoRLd';
+        const result = toUppercase(input);
+        expect(result).toBe('HELLO WORLD');
+    });
+
+    test('should convert an already uppercase string to uppercase', () => {
+        const input = 'HELLO';
+        const result = toUppercase(input);
+        expect(result).toBe('HELLO');
+    });
+
+    test('should handle an empty string', () => {
+        const input = '';
+        const result = toUppercase(input);
+        expect(result).toBe('');
+    });
+
+    test('should handle a string with numbers and symbols', () => {
+        const input = '123 hello! @world';
+        const result = toUppercase(input);
+        expect(result).toBe('123 HELLO! @WORLD');
+    });
+});