adding text joiner

src/pages/string/join/service.ts

@@ -0,0 +1,29 @@
+export function mergeText(
+  text: string,
+  deleteBlankLines: boolean = true,
+  deleteTrailingSpaces: boolean = true,
+  joinCharacter: string = ''
+): string {
+  const lines = text.split('\n');
+
+  const processedLines = lines
+    .map((line) =>
+      deleteTrailingSpaces ? line.replace(/  |\r\n|\n|\r/gm, '') : line
+    )
+    .filter((line) => !deleteBlankLines || line.trim() !== '');
+
+  // Join lines and remove spaces right after each line
+  return processedLines.join(joinCharacter);
+}
+
+// Example usage
+const text: string = `This is a line with trailing spaces    
+Another line with trailing spaces   
+   
+Final line without trailing spaces`;
+
+export const mergedTextWithBlankLines: string = mergeText(text, false);
+console.log('With blank lines:\n', mergedTextWithBlankLines);
+
+export const mergedTextWithoutBlankLines: string = mergeText(text, true);
+console.log('Without blank lines:\n', mergedTextWithoutBlankLines);