1 files changed, 12 insertions, 0 deletions
diff --git a/runtime.ts b/runtime.ts
index 1b1e309b5..9ca3b4944 100644
--- a/runtime.ts
+++ b/runtime.ts
@@ -11,6 +11,7 @@ import * as util from "./util";
 import { log } from "./util";
 import * as os from "./os";
 import "./url";
+import * as sourceMaps from "./v8_source_maps";
 
 const EOL = "\n";
 
@@ -18,6 +19,17 @@ const EOL = "\n";
 type AmdFactory = (...args: any[]) => undefined | object;
 type AmdDefine = (deps: string[], factory: AmdFactory) => void;
 
+sourceMaps.install({
+  installPrepareStackTrace: true,
+  getGeneratedContents: (filename: string): string => {
+    util.log("getGeneratedContents", filename);
+    if (filename === "dist/main.js") {
+      return null;
+    }
+    return FileModule.load(filename).outputCode;
+  }
+});
+
 // This class represents a module. We call it FileModule to make it explicit
 // that each module represents a single file.
 // Access to FileModule instances should only be done thru the static method