new structure and library structure

src/rt/rfwfs/main.ts

@@ -0,0 +1,47 @@
+import { type EntryCollection } from "./collection"
+
+const enum EntryType {
+	Directory,
+	File
+}
+const enum Permissions {
+	r,
+	w,
+	rw,
+	none
+}
+
+interface Entry<T> {
+	readonly name: string,
+	readonly type: EntryType,
+	readonly inner: T,
+	readonly timestamp: number,
+	readonly collection?: EntryCollection<T>,
+	readonly permissions: Permissions,
+}
+interface Rfwfs {
+	new_entry: <T extends Entry<T>>(name: string, permissions: Permissions, timestamp: number, inner: T) => Entry<T>,
+	entry_trait: <T extends Entry<T>>(inner: T) => EntryCollection<T>
+	new_entry_tree: <T>(files: T) => T,
+}
+
+const rfwfs = {} as Rfwfs
+
+rfwfs.new_entry = function(name, permissions, timestamp, inner) {
+	const file_type = typeof inner == "object" ? EntryType.Directory : EntryType.File
+	return {
+		name: name,
+		type: file_type,
+		inner: inner,
+		timestamp: timestamp ? timestamp : Math.floor(Date.now()/1000),
+		collection: file_type === EntryType.Directory ? this.entry_trait(inner) : undefined,
+		permissions: permissions,
+	}
+}
+
+export {
+	EntryType,
+	Permissions,
+	type EntryCollection,
+	type Entry,
+}