Minor fixes

Author: danquirk

src/harness/harness.ts

@@ -96,7 +96,7 @@ module Utils {
             path = "tests/" + path;
         }
 
-        let content = '';
+        let content: string = undefined;
         try {
             content = ts.sys.readFile(Harness.userSpecifiedRoot + path);
         }
@@ -812,12 +812,12 @@ module Harness {
                 sourceText: string,
                 languageVersion: ts.ScriptTarget) {
             // We'll only assert inletiants outside of light mode. 
-            const shouldassertInvariants = !Harness.lightMode;
+            const shouldAssertInvariants = !Harness.lightMode;
 
             // Only set the parent nodes if we're asserting inletiants.  We don't need them otherwise.
-            let result = ts.createSourceFile(fileName, sourceText, languageVersion, /*setParentNodes:*/ shouldassertInvariants);
+            let result = ts.createSourceFile(fileName, sourceText, languageVersion, /*setParentNodes:*/ shouldAssertInvariants);
 
-            if (shouldassertInvariants) {
+            if (shouldAssertInvariants) {
                 Utils.assertInvariants(result, /*parent:*/ undefined);
             }
 

src/harness/sourceMapRecorder.ts

@@ -329,8 +329,6 @@ module Harness.SourceMapRecoder {
         }
 
         function writeRecordedSpans() {
-            let markerIds: string[] = [];
-
             function getMarkerId(markerIndex: number) {
                 let markerId = "";
                 if (spanMarkerContinues) {
@@ -418,6 +416,7 @@ module Harness.SourceMapRecoder {
                 writeJsFileLines(currentJsLine);
 
                 // Emit markers
+                var markerIds: string[] = [];
                 iterateSpans(writeSourceMapMarker);
 
                 let jsFileText = getTextOfLine(currentJsLine, jsLineMap, jsFile.code);