From 6e9be5486cd9e2060f2b179fdeaa7d21bc52bc10 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?F=C3=A1bio=20Santos?= <fabiosantosart@gmail.com>
Date: Mon, 19 Mar 2018 16:43:10 +0000
Subject: [PATCH] pass module option to parse as well.

---
 lib/minify.js | 2 +-
 lib/parse.js  | 2 ++
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/minify.js b/lib/minify.js
index a4b74f1c..e360da01 100644
--- a/lib/minify.js
+++ b/lib/minify.js
@@ -77,7 +77,7 @@ function minify(files, options) {
         set_shorthand("ie8", options, [ "compress", "mangle", "output" ]);
         set_shorthand("keep_classnames", options, [ "compress", "mangle" ]);
         set_shorthand("keep_fnames", options, [ "compress", "mangle" ]);
-        set_shorthand("module", options, [ "compress", "mangle" ]);
+        set_shorthand("module", options, [ "parse", "compress", "mangle" ]);
         set_shorthand("safari10", options, [ "mangle", "output" ]);
         set_shorthand("toplevel", options, [ "compress", "mangle" ]);
         set_shorthand("warnings", options, [ "compress" ]);
diff --git a/lib/parse.js b/lib/parse.js
index d8cc9ac4..bd2434ad 100644
--- a/lib/parse.js
+++ b/lib/parse.js
@@ -859,6 +859,7 @@ function parse($TEXT, options) {
         expression     : false,
         filename       : null,
         html5_comments : true,
+        module         : false,
         shebang        : true,
         strict         : false,
         toplevel       : null,
@@ -2913,6 +2914,7 @@ function parse($TEXT, options) {
         var start = S.token;
         var body = [];
         S.input.push_directives_stack();
+        if (options.module) S.input.add_directive("use strict");
         while (!is("eof"))
             body.push(statement());
         S.input.pop_directives_stack();