feat: working filesystem

src/program/Ls.ts

@@ -8,15 +8,24 @@ export class Ls extends Program {
     }
 
     async Exec(_: SimpleStream<string>, stdout: SimpleStream<string>, workdir: Item, args: string[]): Promise<number> {
-        if (!(new Item(args[1]).IsDirectory())) {
-            stdout.emit("ls: error: the provided path is not a directory")
+        let item: Item = args[1] ? await Item.openDir(args[1]) : workdir
+        if (args[1] && !item.IsDirectory()) {
+            stdout.emit("ls: error: the provided path is not a directory\n")
             return 1
         }
 
-        stdout.emit(`item: '${workdir.GetPath()}'\n`)
-        stdout.emit(`index    attr    name\n`)
-        workdir.List().forEach((entry, i) => {
-            stdout.emit(`${i.toString().padEnd(8, ' ')} ${''.padEnd(4, '-').padEnd(8, ' ')} '${entry.GetName()}'\n`)
+        if (!(await item.Exists())) {
+            stdout.emit(`ls: error: path ${item.GetPath()} doesn't exist\n`)
+            return 2
+        }
+
+        console.log(item)
+
+        stdout.emit(`-> Listing contents of item: '${item.GetPath()}'\n`)
+        stdout.emit(`   [ attr     name     ]\n`)
+        const items = await item.List()
+        items.forEach((entry, i) => {
+            stdout.emit(`   | ${''.padEnd(4, '-').padEnd(8, ' ')} ${entry.GetName()}\n`)
         })
 
         return 0