fs functions wip, set_working_dir needs to work

src/components/react/shell/fs/fs.ts

@@ -0,0 +1,47 @@
+const enum EntryType {
+	Directory,
+	File
+}
+const enum Permissions {
+	r,
+	w,
+	rw
+}
+
+const user = [
+	Entry("about_me.txt", "about me inside", Permissions.rw),
+	Entry("services.txt", "services inside", Permissions.rw),
+]
+const home = [
+	Entry("user", user, Permissions.rw)
+]
+const root = [
+	Entry("home", home, Permissions.r),
+	Entry("bin", {}, Permissions.r),
+]
+const fs = [
+	Entry("/", root, Permissions.r)
+]
+
+type File = string
+interface Entry<T = File> {
+	readonly inner: T,
+	readonly name: string,
+	readonly type: EntryType,
+	readonly permissions: Permissions
+}
+function Entry<T = File>(name: string, inner: T, permissions: Permissions): Entry<T> {
+	return {
+		type: typeof inner == "object" ? EntryType.Directory : EntryType.File,
+		inner: inner,
+		name: name,
+		permissions: permissions
+	}
+}
+
+export {
+	fs,
+	EntryType,
+	Permissions,
+	Entry
+}