Solving The exercise for ls command.

Author: jamallaqdiem

implement-shell-tools/ls/ls.js

@@ -0,0 +1,28 @@
+import fs from "node:fs";
+import process from "node:process";
+
+// This will give an array without the path to node and to the file.
+const argv = process.argv.slice(2);
+
+// filter the flag to find the target folder.
+const filePaths = argv.filter((arg) => !arg.startsWith("-"));
+const showHiddenFiles = argv.includes("-a");
+
+// if no folder provide we use the current one
+const target = filePaths[0] || ".";
+// read the file.
+const files = fs.readdirSync(target);
+
+// save the result into the variable.
+let filteredFIles = files;
+if (!showHiddenFiles) {
+  filteredFIles = files.filter((file) => !file.startsWith("."));
+} else {
+  // we use spread operator to merge the paths.
+  filteredFIles = [".", "..", ...files];
+}
+
+// Print using -1 .
+filteredFIles.forEach((file) => {
+  console.log(file);
+});