add empty str test

Author: elringus

src/js/package.json

@@ -6,11 +6,11 @@
         "build": "sh scripts/build.sh"
     },
     "devDependencies": {
-        "typescript": "^5.3.3",
-        "@types/node": "^20.11.5",
+        "typescript": "^5.4.2",
+        "@types/node": "^20.11.25",
         "@types/ws": "^8.5.10",
-        "vitest": "^1.2.1",
-        "@vitest/coverage-v8": "^1.2.1",
+        "vitest": "^1.3.1",
+        "@vitest/coverage-v8": "^1.3.1",
         "ws": "^8.16.0"
     }
 }

src/js/test/cs/Test.Types/Vehicle/Registry.cs

@@ -43,4 +43,7 @@ public static async Task<IReadOnlyDictionary<string, Registry>> MapRegistriesAsy
 
     [JSFunction]
     public static partial IReadOnlyDictionary<string, Registry> GetRegistryMap ();
+
+    [JSInvokable]
+    public static Vehicle GetWithEmptyId () => new() { Id = "" };
 }

src/js/test/spec/interop.spec.ts

@@ -169,4 +169,10 @@ describe("while bootsharp is booted", () => {
         expect(result1).toStrictEqual("foobar");
         expect(result2).toStrictEqual("baznya");
     });
+    it("empty string of a struct is transferred correctly", () => {
+        const id = Test.Types.Registry.getWithEmptyId().id;
+        expect(id).not.toBeNull();
+        expect(id).not.toBeUndefined();
+        expect(id).toStrictEqual("");
+    });
 });