Index: third_party/closure_compiler/js_minify.py |
diff --git a/third_party/closure_compiler/js_minify.py b/third_party/closure_compiler/js_minify.py |
new file mode 100755 |
index 0000000000000000000000000000000000000000..d0f1f8854c47f1de39a5c749328d4e95632a7024 |
--- /dev/null |
+++ b/third_party/closure_compiler/js_minify.py |
@@ -0,0 +1,47 @@ |
+#!/usr/bin/python |
+# Copyright 2016 The Chromium Authors. All rights reserved. |
+# Use of this source code is governed by a BSD-style license that can be |
+# found in the LICENSE file. |
+ |
+import sys |
+import tempfile |
+from compile2 import Checker |
+ |
+ |
+closure_args = [ |
Dan Beam
2016/07/25 17:29:16
can we just compose these rather than duplicate th
aberent
2016/07/27 09:46:35
Now using closure_args.gni.
|
+ "compilation_level=WHITESPACE_ONLY", |
+ |
+ "extra_annotation_name=attribute", |
+ "extra_annotation_name=demo", |
+ "extra_annotation_name=element", |
+ "extra_annotation_name=group", |
+ "extra_annotation_name=hero", |
+ "extra_annotation_name=homepage", |
+ "extra_annotation_name=status", |
+ "extra_annotation_name=submodule", |
+ "language_in=ECMASCRIPT6_STRICT", |
+ "language_out=ECMASCRIPT5_STRICT", |
+ |
+ "polymer_pass", |
+ |
+ "source_map_format=V3", |
+] |
+ |
+ |
+def Minify(source): |
+ with tempfile.NamedTemporaryFile(suffix='.js') as t1, tempfile.NamedTemporaryFile(suffix='.js', delete=False) as t2: |
Dan Beam
2016/07/25 17:29:16
80 col wrap
Dan Beam
2016/07/25 17:29:16
nit: use double quotes (") instead of single quote
Dirk Pranke
2016/07/25 21:12:36
I would actually change everything else to be sing
aberent
2016/07/27 09:46:35
Done. All single quotes.
aberent
2016/07/27 09:46:36
Done.
|
+ t1.write(source) |
+ t1.seek(0) |
+ checker = Checker() |
+ checker.check([t1.name], out_file=t2.name, closure_args=closure_args) |
+ t2.seek(0) |
+ result = t2.read() |
+ return result |
+ |
Dan Beam
2016/07/25 17:29:16
this should be 2 blank lines between top-level glo
aberent
2016/07/27 09:46:36
Done.
|
+if __name__ == "__main__": |
+ orig_stdout = sys.stdout |
Dan Beam
2016/07/25 17:29:16
you probably want to wrap this in a try/finally, i
aberent
2016/07/27 09:46:35
Done.
|
+ sys.stdout = sys.stderr |
Dan Beam
2016/07/25 17:29:16
why is this stderr/stdout redirection required?
aberent
2016/07/27 09:46:35
In traditional Unix pipeline style (and as I defin
|
+ result = Minify(sys.stdin.read()) |
+ sys.stdout = orig_stdout |
+ print result |
+ |