implement ls -1 path

Author: sheida-shab

implement-shell-tools/ls/ls.js

@@ -1,9 +1,13 @@
 import { promises as fs } from "node:fs";
 async function listDir() {
-   const fileListArray = await fs.readdir("./");
-   //console.log(fileListArray);
-   const flag = process.argv[2];
-   const fileNamePattern = process.argv[3];
+    const flag = process.argv[2];
+    const fileNamePattern = process.argv[3] || process.cwd();
+    console.log(fileNamePattern);
+    console.log(flag);
+   const fileListArray = await fs.readdir(fileNamePattern);
+   console.log(fileListArray);
+  
+   
    for(const item of fileListArray){
     console.log(item);
    }