Fix crash when using lualib_bundle in an environment without coroutines (#1547)

GlassBricks · web-flow · commit f610b5f6fd4d · 2024-03-21T18:59:33.000+01:00
* Don't crash if coroutine not supported

* Add test for environment without coroutine

* Fix prettier
diff --git a/src/lualib/Await.ts b/src/lualib/Await.ts
@@ -16,6 +16,7 @@
 
 import { __TS__Promise } from "./Promise";
 
+const coroutine = _G.coroutine ?? {};
 const cocreate = coroutine.create;
 const coresume = coroutine.resume;
 const costatus = coroutine.status;
diff --git a/test/unit/builtins/loading.spec.ts b/test/unit/builtins/loading.spec.ts
@@ -67,6 +67,17 @@ test("lualib should not include tstl header", () => {
     );
 });
 
+test("using lualib does not crash when coroutine is not defined", () => {
+    util.testModule`
+        declare const _G: any;
+        declare function require(this: void, name: string): any
+
+        _G.coroutine = undefined;
+        require("lualib_bundle");
+        export const result = 1
+    `.expectToEqual({ result: 1 });
+});
+
 describe("Unknown builtin property", () => {
     test("access", () => {
         util.testExpression`Math.unknownProperty`
