From 30395e40da02948219b503a575aa3926d0f29056 Mon Sep 17 00:00:00 2001
From: kzc <zaxxon2011@gmail.com>
Date: Sat, 13 Jan 2018 14:56:40 -0500
Subject: [PATCH] add `block_scope` to `--output ast`

---
 bin/uglifyjs | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/bin/uglifyjs b/bin/uglifyjs
index 311e7138..d8d7ce74 100755
--- a/bin/uglifyjs
+++ b/bin/uglifyjs
@@ -268,6 +268,13 @@ function run() {
                 var result = {
                     _class: "AST_" + value.TYPE
                 };
+                if (value.block_scope) {
+                    result.block_scope = {
+                        variables: value.block_scope.variables,
+                        functions: value.block_scope.functions,
+                        enclosed: value.block_scope.enclosed,
+                    };
+                }
                 value.CTOR.PROPS.forEach(function(prop) {
                     result[prop] = value[prop];
                 });