Fix snapshot source code wrapping.

deno2/js/mock_runtime.js

@@ -1,55 +1,57 @@
 // A simple runtime that doesn't involve typescript or protobufs to test
 // libdeno. Invoked by mock_runtime_test.cc
 
+const global = this;
+
 function assert(cond) {
   if (!cond) throw Error("mock_runtime.js assert failed");
 }
 
-function typedArrayToArrayBuffer(ta) {
+global.typedArrayToArrayBuffer = (ta) => {
   return ta.buffer.slice(ta.byteOffset, ta.byteOffset + ta.byteLength);
-}
+};
 
-function CanCallFunction() {
+global.CanCallFunction = () => {
   deno.print("Hello world from foo");
   return "foo";
-}
+};
 
 // This object is created to test snapshotting.
 // See DeserializeInternalFieldsCallback and SerializeInternalFieldsCallback.
 const snapshotted = new Uint8Array([1, 3, 3, 7]);
 
-function TypedArraySnapshots() {
+global.TypedArraySnapshots = () => {
   assert(snapshotted[0] === 1);
   assert(snapshotted[1] === 3);
   assert(snapshotted[2] === 3);
   assert(snapshotted[3] === 7);
-}
+};
 
-function PubSuccess() {
+global.PubSuccess = () => {
   deno.sub((channel, msg) => {
     assert(channel === "PubSuccess");
     deno.print("PubSuccess: ok");
   });
-}
+};
 
-function PubByteLength() {
+global.PubByteLength = () => {
   deno.sub((channel, msg) => {
     assert(channel === "PubByteLength");
     assert(msg instanceof ArrayBuffer);
     assert(msg.byteLength === 3);
   });
-}
+};
 
-function SubReturnEmpty() {
+global.SubReturnEmpty = () => {
   const ui8 = new Uint8Array("abc".split("").map(c => c.charCodeAt(0)));
   const ab = typedArrayToArrayBuffer(ui8);
   let r = deno.pub("SubReturnEmpty", ab);
   assert(r == null);
   r = deno.pub("SubReturnEmpty", ab);
   assert(r == null);
-}
+};
 
-function SubReturnBar() {
+global.SubReturnBar = () => {
   const ui8 = new Uint8Array("abc".split("").map(c => c.charCodeAt(0)));
   const ab = typedArrayToArrayBuffer(ui8);
   const r = deno.pub("SubReturnBar", ab);
@@ -58,18 +60,18 @@ function SubReturnBar() {
   const rui8 = new Uint8Array(r);
   const rstr = String.fromCharCode(...rui8);
   assert(rstr === "bar");
-}
+};
 
-function DoubleSubFails() {
+global.DoubleSubFails = () => {
   // deno.sub is an internal function and should only be called once from the
   // runtime.
   deno.sub((channel, msg) => assert(false));
   deno.sub((channel, msg) => assert(false));
-}
+};
 
 // The following join has caused SnapshotBug to segfault when using kKeep.
 [].join("");
 
-function SnapshotBug() {
+global.SnapshotBug = () => {
   assert("1,2,3" === String([1, 2, 3]));
-}
+};