Support async/await by including ES2017

This required adjusting the module loading system.

1 files changed, 6 insertions, 2 deletions

diff --git a/os.go b/os.go
index 5a96516ea..d1923837e 100644
--- a/os.go
+++ b/os.go
@@ -76,14 +76,18 @@ func HandleCodeFetch(moduleSpecifier string, containingFile string) (out []byte)
 		return
 	}
 
-	//println("HandleCodeFetch", "moduleSpecifier", moduleSpecifier,
-	//		"containingFile", containingFile, "filename", filename)
+	logDebug("HandleCodeFetch moduleSpecifier %s containingFile %s filename %s",
+		moduleSpecifier, containingFile, filename)
 
 	if isRemote(moduleName) {
 		sourceCodeBuf, err = FetchRemoteSource(moduleName, filename)
 	} else if strings.HasPrefix(moduleName, assetPrefix) {
 		f := strings.TrimPrefix(moduleName, assetPrefix)
 		sourceCodeBuf, err = Asset("dist/" + f)
+		if err != nil {
+			logDebug("%s Asset doesn't exist. Return without error", moduleName)
+			err = nil
+		}
 	} else {
 		assert(moduleName == filename,
 			"if a module isn't remote, it should have the same filename")