test

Author: HerrCai0907

src/utils/errorTraceHandler.ts

@@ -123,7 +123,9 @@ export async function handleWebAssemblyError(
   Error.prepareStackTrace = originalPrepareStackTrace;
 
   const wasmBuffer = await readFile(wasmPath);
-  const sourceMapPath = parseSourceMapPath(wasmBuffer.buffer as ArrayBuffer);
+  const sourceMapPath = parseSourceMapPath(
+    wasmBuffer.buffer.slice(wasmBuffer.byteOffset, wasmBuffer.byteLength) as ArrayBuffer
+  );
   const sourceMapConsumer: SourceMapHandler | null = await getSourceMapConsumer(sourceMapPath);
   const stacks = stackTrace
     .map((callSite) => createWebAssemblyCallSite(callSite, { wasmPath, sourceMapConsumer }))

tests/ts/fixture/withSourceMapURL.wasm

@@ -1,4 +1,4 @@
-import { parseImportFunctionInfo } from "../../../../src/utils/wasmparser.js";
+import { parseImportFunctionInfo, parseSourceMapPath } from "../../../../src/utils/wasmparser.js";
 import { readFileSync } from "node:fs";
 import { join } from "node:path";
 import { fileURLToPath, URL } from "node:url";
@@ -51,3 +51,12 @@ test("parseImportFunctionInfo", () => {
 
   expect(parseImportFunctionInfo(arrayBuffer)).toEqual(expectedInfo); // Pass ArrayBuffer
 });
+
+test("parseSourceMapURL", () => {
+  const fp = join(__dirname, "..", "..", "fixture", "withSourceMapURL.wasm");
+  const buf = readFileSync(fp);
+  const arrayBuffer = buf.buffer.slice(buf.byteOffset, buf.byteOffset + buf.byteLength); // Convert Buffer to ArrayBuffer
+  console.log(arrayBuffer);
+
+  expect(parseSourceMapPath(arrayBuffer)).toBe("./release.wasm.map");
+});