fix sourceMapTraceback

GlassBricks · GlassBricks · commit 58d0aee97370 · 2021-08-14T20:38:15.000-07:00
diff --git a/src/lualib/SourceMapTraceBack.ts b/src/lualib/SourceMapTraceBack.ts
@@ -1,5 +1,6 @@
 // TODO: In the future, change this to __TS__RegisterFileInfo and provide tstl interface to
 // get some metadata about transpilation.
+
 function __TS__SourceMapTraceBack(this: void, fileName: string, sourceMap: { [line: number]: number }): void {
     globalThis.__TS__sourcemap = globalThis.__TS__sourcemap || {};
     globalThis.__TS__sourcemap[fileName] = sourceMap;
@@ -9,9 +10,13 @@ function __TS__SourceMapTraceBack(this: void, fileName: string, sourceMap: { [li
         debug.traceback = ((thread, message, level) => {
             let trace: string;
             if (thread === undefined && message === undefined && level === undefined) {
-                trace = globalThis.__TS__originalTraceback();
+                trace = (globalThis.__TS__originalTraceback as (this: void, ...args: any) => string)();
             } else {
-                trace = globalThis.__TS__originalTraceback(thread, message, level);
+                trace = (globalThis.__TS__originalTraceback as (this: void, ...args: any) => string)(
+                    thread,
+                    message,
+                    level
+                );
             }
 
             if (typeof trace !== "string") {
diff --git a/test/unit/printer/sourcemaps.spec.ts b/test/unit/printer/sourcemaps.spec.ts
@@ -272,6 +272,15 @@ test("sourceMapTraceback saves sourcemap in _G", () => {
     }
 });
 
+test("sourceMapTraceback gives traceback", () => {
+    const builder = util.testFunction`
+        return (debug.traceback as (this: void)=>string)();
+    `.setOptions({ sourceMapTraceback: true, luaLibImport: tstl.LuaLibImportKind.Inline });
+
+    const traceback = builder.getLuaExecutionResult();
+    expect(traceback).toEqual(expect.any(String));
+});
+
 test("Inline sourcemaps", () => {
     const code = `
         function abc() {
