Reorganize

io/cart.ts

@@ -0,0 +1,28 @@
+import { path } from "../deps.ts";
+import initialCart from "../data/initialCart.json" assert { type: "json" };
+import { Sheet } from "./sheet.ts";
+
+const extension = ".faux";
+
+let staticCart = initialCart as Array<Sheet>;
+let cart: Array<Sheet> = JSON.parse(JSON.stringify(staticCart));
+
+const virtualPathToRealPath = (virtualFname: string) => {
+	const vfname = virtualFname + extension;
+	const realPath = path.join(".", "carts", ...vfname.split("/"));
+	return realPath;
+}
+
+export const saveCart = async (fname: string) => {
+	await Deno.writeTextFile(virtualPathToRealPath(fname), JSON.stringify(getCart()));
+}
+
+export const loadCart = async (fname: string) => {
+	const json = await Deno.readTextFile(virtualPathToRealPath(fname));
+	staticCart = JSON.parse(json);
+	cart = JSON.parse(json);
+}
+
+export const getCart = () => {
+	return cart;
+}