From 9c7253058970d7cb0e64250438d3ae4032818c48 Mon Sep 17 00:00:00 2001
From: James Long <longster@gmail.com>
Date: Thu, 5 Jan 2017 15:11:40 -0500
Subject: [PATCH] Reduce duplicate code for printing intersection & union types

---
 src/printer.js | 16 ++++++----------
 1 file changed, 6 insertions(+), 10 deletions(-)

diff --git a/src/printer.js b/src/printer.js
index 9afdb6c9..efbc0246 100644
--- a/src/printer.js
+++ b/src/printer.js
@@ -1403,20 +1403,16 @@ else
       path.call(print, "id"),
       path.call(print, "typeParameters")
     ]);
-  case "IntersectionTypeAnnotation": {
-    const types = path.map(print, "types")
-    return group(concat([
-      types[0],
-      indent(options.tabWidth,
-             concat(types.slice(1).map(t => concat([" &", line, t]))))
-    ]));
-  }
+  case "IntersectionTypeAnnotation":
   case "UnionTypeAnnotation": {
     const types = path.map(print, "types")
+    const op = n.type === "IntersectionTypeAnnotation" ? "&" : "|";
     return group(concat([
       types[0],
-      indent(options.tabWidth,
-             concat(types.slice(1).map(t => concat([" |", line, t]))))
+      indent(
+        options.tabWidth,
+        concat(types.slice(1).map(t => concat([" ", op, line, t])))
+      )
     ]));
   }
   case "NullableTypeAnnotation":