Implement ls CLI with -a options

Author: AhmadHmedann

implement-shell-tools/ls/ls.mjs

@@ -0,0 +1,24 @@
+import { promises as fs } from "node:fs";
+import { program } from "commander";
+
+program
+  .name("ls ")
+  .description("ls implementation")
+  .argument("[path]", "The path to process") //zero or one path
+  .option("-1, --one-per-line", "one file per line")
+  .option("-a", "show hidden files");
+program.parse();
+
+const path = program.args[0] || ".";
+const options = program.opts();
+try {
+  const files = await fs.readdir(path);
+
+  for (const file of files) {
+    if (options.a || !file.startsWith(".")) {
+      console.log(file);
+    }
+  }
+} catch (error) {
+  console.error(error.message);
+}