Adding support for AppRTC closure compiling.

build_apprtc_closure.py

+#!/usr/bin/python
+# Copyright 2015 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.
+
+"""Invokes the AppRTC closure compiler.
+
+The AppRTC javascript code must be closure-compiled. This script uses
+the node toolchain we downloaded earlier.
+"""
+
+import os
+import shutil
+import subprocess
+import sys
+
+import utils
+
+
+def main():
+  node_path = os.path.abspath('node')
+  if not os.path.exists(node_path):
+    return 'Expected node at %s.' % node_path
+  samples_path = os.path.join('src', 'out', 'webrtc-samples')
+  if not os.path.exists(samples_path):
+    return 'Expected webrtc-samples at %s.' % os.path.abspath(samples_path)
+
+  os.chdir(samples_path)
+  
+  if utils.GetPlatform() is 'win':
+    npm_bin = os.path.join(node_path, 'npm.cmd')
+    node_bin = os.path.join(node_path, 'node.exe')
+  else:
+    npm_bin = os.path.join(node_path, 'bin', 'npm')
+    node_bin = os.path.join(node_path, 'bin', 'node')
+
+  subprocess.check_call([npm_bin, 'install'])
+  local_grunt_bin = os.path.join('node_modules', 'grunt-cli', 'bin', 'grunt')
+
+  if not os.path.exists(local_grunt_bin):
+    return ('Missing grunt-cli in the webrtc-samples checkout; did '
+            'npm install fail?')
+
+  subprocess.check_call([node_bin, local_grunt_bin, 'closurecompiler:debug'])
+
+
+if __name__ == '__main__':
+  sys.exit(main())