reverse tool, testCases then updated index file

src/pages/string/index.ts

@@ -1,3 +1,4 @@
+import { tool as stringReverse } from './reverse/meta';
 import { tool as stringRandomizeCase } from './randomize-case/meta';
 import { tool as stringUppercase } from './uppercase/meta';
 import { tool as stringExtractSubstring } from './extract-substring/meta';

src/pages/string/reverse/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 Reverse() {
+  return <Box>Lorem ipsum</Box>;
+}

src/pages/string/reverse/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: 'Reverse',
+  path: 'reverse',
+  // image,
+  description: '',
+  shortDescription: '',
+  keywords: ['reverse'],
+  component: lazy(() => import('./index'))
+});

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

@@ -0,0 +1,52 @@
+import { expect, describe, it } from 'vitest';
+import { stringReverser } from './service';
+
+describe('stringReverser', () => {
+    it('should reverse a single-line string', () => {
+        const input = 'hello world';
+        const result = stringReverser(input, false, false, false);
+        expect(result).toBe('dlrow olleh');
+    });
+
+    it('should reverse each line in a multi-line string', () => {
+        const input = 'hello\nworld';
+        const result = stringReverser(input, true, false, false);
+        expect(result).toBe('olleh\ndlrow');
+    });
+
+    it('should remove empty items if emptyItems is true', () => {
+        const input = 'hello\n\nworld';
+        const result = stringReverser(input, true, true, false);
+        expect(result).toBe('olleh\ndlrow');
+    });
+
+    it('should trim each line if trim is true', () => {
+        const input = '  hello  \n  world  ';
+        const result = stringReverser(input, true, false, true);
+        expect(result).toBe('olleh\ndlrow');
+    });
+
+    it('should handle empty input', () => {
+        const input = '';
+        const result = stringReverser(input, false, false, false);
+        expect(result).toBe('');
+    });
+
+    it('should handle a single line with emptyItems and trim', () => {
+        const input = '  hello world  ';
+        const result = stringReverser(input, false, true, true);
+        expect(result).toBe('dlrow olleh');
+    });
+
+    it('should handle a single line with emptyItems and non trim', () => {
+        const input = '  hello world  ';
+        const result = stringReverser(input, false, true, false);
+        expect(result).toBe('  dlrow olleh  ');
+    });
+
+    it('should handle a multi line with emptyItems and non trim', () => {
+        const input = '  hello\n\n\n\nworld  ';
+        const result = stringReverser(input, true, true, false);
+        expect(result).toBe('olleh  \n  dlrow');
+    });
+});

src/pages/string/reverse/service.ts

@@ -0,0 +1,31 @@
+import { reverseString } from 'utils/string';
+
+export function stringReverser(
+    input: string,
+    multiLine: boolean,
+    emptyItems: boolean,
+    trim: boolean
+) {
+    let array: string[] = [];
+    let result: string[] = [];
+
+    // split the input in multiLine mode
+    if (multiLine) {
+        array = input.split('\n');
+    }
+    else {
+        array.push(input);
+    }
+
+    // handle empty items
+    if (emptyItems){
+        array = array.filter(Boolean);
+    }
+    // Handle trim
+    if (trim) {
+        array = array.map(line => line.trim());
+    }
+
+    result = array.map(element => reverseString(element));
+    return result.join('\n');
+}