Don't attempt to clear non-TTY output in simple results reporter

Redirecting output currently causes exceptions because `process.stdout.clearLine()` only works for TTYs. This patch inserts a newline instead.
bterlson · Nov 11, 2016 · de61d1a · de61d1a
1 parent 6c34b1b
commit de61d1a
Showing 1 changed file with 6 additions and 2 deletions.
diff --git a/lib/reporters/simple.js b/lib/reporters/simple.js
@@ -32,8 +32,12 @@ function simpleReporter(results) {
 
   function clearPassed() {
     if (lastPassed) {
-      process.stdout.clearLine();
-      process.stdout.cursorTo(0);
+      if (process.stdout.isTTY) {
+        process.stdout.clearLine();
+        process.stdout.cursorTo(0);
+      } else {
+        process.stdout.write('\n');
+      }
     }
   }
 }