fix: less restrictive map file name extraction regex (#87)

* test: added failing test case for empty output.map.file

* fix: extract map file name without \ or /

* improvement: map file regex negative lookahead position update

src/convert.ts

@@ -63,7 +63,7 @@ const gameVersion = (version: number): string => {
   return `1.${version}`;
 };
 
-const mapFilenameRegex = /(\([1-9]+\))?[a-zA-Z_0-9\w]+\.(w3x|w3m)/;
+const mapFilenameRegex = /[^\\/]+(\([1-9]+\))?\.(w3x|w3m)/;
 const mapFilename = (mapPath: string): string => {
   const match = mapFilenameRegex.exec(mapPath);
   if (match) {

test/replays/131/replays.test.ts

@@ -80,3 +80,12 @@ it("parses a standard 1.30.4 1on1 tome of retraining", async () => {
     ],
   });
 });
+
+test("#86 extracts correct map name", async () => {
+  const test = await Parser.parse(
+    path.resolve(__dirname, "roc-losttemple-mapname.w3g")
+  );
+  expect(test.version).toBe("1.31");
+  expect(test.buildNumber).toBe(6072);
+  expect(test.map.file).toBe("(4)LostTemple [Unforged 0.5 RoC].w3x");
+});