wrap tool and testCases, then updated index file

src/pages/list/wrap/service.ts

@@ -0,0 +1,27 @@
+export type SplitOperatorType = 'symbol' | 'regex';
+
+function wrap(array: string[], left: string, right: string): string[] {
+    return array.map((element) => left + element + right);
+}
+
+export function wrapList(
+    splitOperatorType: SplitOperatorType,
+    input: string,
+    splitSeparator: string,
+    joinSeparator: string,
+    left: string = '',
+    right: string = ''
+): string {
+    let array: string[];
+    let wrappedArray: string[];
+    switch (splitOperatorType) {
+        case 'symbol':
+            array = input.split(splitSeparator);
+            break;
+        case 'regex':
+            array = input.split(new RegExp(splitSeparator));
+            break;
+    }
+    wrappedArray = wrap(array, left, right);
+    return wrappedArray.join(joinSeparator);
+}