enhance reduce_vars & varify (#4714)

2021-03-02 07:27:55 +00:00
parent ee27d87a08
commit 74dee5c445
3 changed files with 56 additions and 3 deletions
--- a/test/compress/varify.js
+++ b/test/compress/varify.js
@@ -409,3 +409,31 @@ drop_forin_let: {
    expect_stdout: "PASS"
    node_version: ">=4"
 }
+
+default_init: {
+    options = {
+        join_vars: true,
+        reduce_vars: true,
+        unused: true,
+        varify: true,
+    }
+    input: {
+        A = "PASS";
+        (function() {
+            "use strict";
+            let a;
+            a = A;
+            console.log(a);
+        })();
+    }
+    expect: {
+        A = "PASS";
+        (function() {
+            "use strict";
+            var a = A;
+            console.log(a);
+        })();
+    }
+    expect_stdout: "PASS"
+    node_version: ">=4"
+}