Parens are needed unless it's a logical expression

2015-10-27 18:09:48 -07:00 · 2015-10-27 18:09:48 -07:00 · 382c0d9c1a
commit 382c0d9c1a
parent f9c923b87f
1 changed files with 5 additions and 0 deletions
--- a/packages/babel/src/generation/node/parentheses.js
+++ b/packages/babel/src/generation/node/parentheses.js
@ -97,6 +97,11 @@ export function Binary(node, parent) {
    if (parentPos > nodePos) {
      return true;
    }
+
+    // Logical expressions with the same precedence don't need parens.
+    if (parentPos === nodePos && parent.right === node && !t.isLogicalExpression(parent)) {
+      return true;
+    }
  }
 }