Ensure that TS can run in a browser by checking for a process obj bef…

…ore using it in the perf logger (microsoft#33141)
timsuchanek · Sep 11, 2019 · ec4ff16 · ec4ff16
1 parent 13074dc
commit ec4ff16
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/compiler/perfLogger.ts b/src/compiler/perfLogger.ts
@@ -38,6 +38,6 @@ namespace ts {
 
     /** Performance logger that will generate ETW events if possible - check for `logEvent` member, as `etwModule` will be `{}` when browserified */
     export const perfLogger: PerfLogger = etwModule && etwModule.logEvent ? etwModule : nullLogger;
-
-    perfLogger.logInfoEvent(`Starting TypeScript v${versionMajorMinor} with command line: ${JSON.stringify(process.argv)}`);
+    const args = typeof process === "undefined" ? [] : process.argv;
+    perfLogger.logInfoEvent(`Starting TypeScript v${versionMajorMinor} with command line: ${JSON.stringify(args)}`);
 }