Merge branch 'bugfix/unary-arrow-function-preserve-parentheses' into …

…newest
GerHobbelt · Aug 5, 2018 · 48abc16 · 48abc16
2 parents 995d825 + f6b9395
commit 48abc16
Showing 1 changed file with 6 additions and 3 deletions.
diff --git a/lib/printer.js b/lib/printer.js
@@ -367,9 +367,12 @@ function genericPrintNoParens(path, options, print) {
         }
 
         const unaryWrappedInParens = n.params.length === 1 &&
-            n.loc &&
-            n.params[0].loc &&
-            n.loc.start.column !== n.params[0].loc.start.column;
+            (n.start && n.start !== n.params[0].start) ||
+            (
+                n.loc &&
+                n.params[0].loc &&
+                n.loc.start.column !== n.params[0].loc.start.column
+            );
         if (! unaryWrappedInParens &&
             ! options.arrowParensAlways &&
             n.params.length === 1 &&