only align variable declarations if at least one declarator has an init

2015-01-08 00:44:53 +11:00
parent c5cd729c3d
commit a2ed0ea9c5
1 changed files with 16 additions and 1 deletions
--- a/lib/6to5/generation/generators/statements.js
+++ b/lib/6to5/generation/generators/statements.js
@@ -157,7 +157,22 @@ exports.DebuggerStatement = function () {
 exports.VariableDeclaration = function (node, print, parent) {
  this.push(node.kind + " ");

-  print.join(node.declarations, { separator: ",\n" + this.getIndent(2) });
+  var hasInits = false;
+  for (var i in node.declarations) {
+    if (node.declarations[i].init) {
+      hasInits = true;
+      break;
+    }
+  }
+
+  var sep = ",";
+  if (hasInits) {
+    sep += "\n" + this.getIndent(2);
+  } else {
+    sep += " ";
+  }
+
+  print.join(node.declarations, { separator: sep });

  if (!t.isFor(parent)) {
    this.semicolon();