WIP

src/persistance/link.ts

@@ -1,6 +1,13 @@
-import { compressPGN } from "../game/PGNHelpers";
+import { compressPGN, decompressPGN } from "../game/PGNHelpers";
 
 type LinkData = {
+  pgn: string;
+  fen: string;
+  side: "b" | "w";
+  ply: number;
+};
+
+type LinkConfig = {
   pgn?: string;
   fen?: string;
   side?: "b" | "w";
@@ -17,7 +24,7 @@ const defaultLinkData = {
 let linkData: LinkData = { ...defaultLinkData } as LinkData;
 
 const link = {
-  set(data: LinkData) {
+  set(data: LinkConfig) {
     if (data.fen) {
       linkData = { ...defaultLinkData } as LinkData;
       linkData.fen = data.fen;
@@ -46,6 +53,28 @@ const link = {
     return location.href;
   },
 
+  read() {
+    const [type, ...rest] = location.hash.split("/");
+
+    if (/fen/.test(type)) {
+      linkData = { ...defaultLinkData } as LinkData;
+      linkData.fen = decodeURI(rest.join("/"));
+    } else if (/pgn/.test(type)) {
+      const [side, ply, ...pgn] = rest;
+      linkData.side = side as "w" | "b";
+      linkData.ply = Number(ply);
+      linkData.pgn = pgn.join("/");
+      linkData.fen = "";
+    }
+
+    return {
+      pgn: linkData.pgn ? decompressPGN(linkData.pgn) : "",
+      fen: linkData.fen,
+      side: linkData.side,
+      ply: linkData.ply,
+    };
+  },
+
   entries() {
     return { ...linkData } as LinkData;
   },