Enquote undefineds.

mihailik · mihailik · commit b60f936b141a · 2017-06-20T22:54:50.000+01:00
diff --git a/src/compiler/commandLineParser.ts b/src/compiler/commandLineParser.ts
@@ -1053,7 +1053,7 @@ namespace ts {
                     errors.push(createDiagnosticForNodeInSourceFile(sourceFile, element.name, extraKeyDiagnosticMessage, keyText));
                 }
                 const value = convertPropertyValueToJson(element.initializer, option);
-                if (typeof keyText !== undefined && typeof value !== undefined) {
+                if (typeof keyText !== "undefined" && typeof value !== "undefined") {
                     result[keyText] = value;
                     // Notify key value set, if user asked for it
                     if (jsonConversionNotifier &&

Original file line number	Diff line number	Diff line change
`@@ -1053,7 +1053,7 @@ namespace ts {`
`1053`	`1053`	`errors.push(createDiagnosticForNodeInSourceFile(sourceFile, element.name, extraKeyDiagnosticMessage, keyText));`
`1054`	`1054`	`}`
`1055`	`1055`	`const value = convertPropertyValueToJson(element.initializer, option);`
`1056`		`- if (typeof keyText !== undefined && typeof value !== undefined) {`
	`1056`	`+ if (typeof keyText !== "undefined" && typeof value !== "undefined") {`
`1057`	`1057`	`result[keyText] = value;`
`1058`	`1058`	`// Notify key value set, if user asked for it`
`1059`	`1059`	`if (jsonConversionNotifier &&`