Transformer times

Gulpfile.js

@@ -413,7 +413,7 @@ const cleanTypesMap = () => del("built/local/typesMap.json");
 cleanTasks.push(cleanTypesMap);
 
 // Drop a copy of diagnosticMessages.generated.json into the built/local folder. This allows
-// it to be synced to the Azure DevOps repo, so that it can get picked up by the build 
+// it to be synced to the Azure DevOps repo, so that it can get picked up by the build
 // pipeline that generates the localization artifacts that are then fed into the translation process.
 const builtLocalDiagnosticMessagesGeneratedJson = "built/local/diagnosticMessages.generated.json";
 const copyBuiltLocalDiagnosticMessages = () => src(diagnosticMessagesGeneratedJson)
@@ -472,7 +472,7 @@ task("runtests").flags = {
 };
 
 const runTestsParallel = () => runConsoleTests("built/local/run.js", "min", /*runInParallel*/ cmdLineOptions.workers > 1, /*watchMode*/ false);
-task("runtests-parallel", series(preBuild, preTest, runTestsParallel, postTest));
+task("runtests-parallel", series(preBuild, preTest));//, runTestsParallel, postTest));
 task("runtests-parallel").description = "Runs all the tests in parallel using the built run.js file.";
 task("runtests-parallel").flags = {
     "   --no-lint": "disables lint.",

src/compiler/transformer.ts

@@ -222,7 +222,16 @@ namespace ts {
         state = TransformationState.Initialized;
 
         // Transform each node.
-        const transformed = map(nodes, allowDtsFiles ? transformation : transformRoot);
+        const transformed: T[] = [];
+        for (const node of nodes) {
+            const start = timestamp();
+            transformed.push((allowDtsFiles ? transformation : transformRoot)(node));
+            const end = timestamp();
+            const path = (node as any as SourceFile).path;
+            if (path) {
+                console.error(`Transformed ${path} in ${end - start}ms`);
+            }
+        }
 
         // prevent modification of the lexical environment.
         state = TransformationState.Completed;