Merge pull request #28 from azakus/debug-only

Refactor platform loader to be debug by default

Author: dfreedm

platform.debug.js

@@ -1,19 +1,71 @@
-/* 
+/*
  * Copyright 2013 The Polymer Authors. All rights reserved.
  * Use of this source code is governed by a BSD-style
  * license that can be found in the LICENSE file.
  */
 
 (function() {
-  
+
 var thisFile = 'platform.js';
 var scopeName = 'Platform';
 
 function processFlags(flags) {
-  this.modules = [flags.debug ? 'platform.debug.js' : 'platform.min.js'];
+  if (flags.build) {
+    // use the minified build
+    this.modules = ['platform.min.js'];
+  } else {
+    // truthy value for any of these flags or failure to detect native
+    // shadowDOM results in polyfill
+    flags.shadow = (flags.shadowdom || flags.shadow || flags.polyfill ||
+                    !HTMLElement.prototype.webkitCreateShadowRoot) && 'polyfill';
+
+    var ShadowDOMNative = [
+      'src/patches-shadowdom-native.js'
+    ];
+
+    var ShadowDOMPolyfill = [
+      '../ShadowDOM/shadowdom.js',
+      'src/patches-shadowdom-polyfill.js',
+      'src/ShadowCSS.js'
+    ];
+
+    var Lib = [
+      'src/lang.js',
+      'src/dom.js',
+      'src/template.js',
+      'src/inspector.js',
+    ];
+
+    var MDV = [
+      '../mdv/mdv.js',
+      'src/patches-mdv.js'
+    ];
+
+    var Pointer = [
+      '../PointerGestures/pointergestures.js'
+    ];
+
+    var WebElements = [
+      '../HTMLImports/html-imports.js',
+      '../CustomElements/custom-elements.js',
+      'src/patches-custom-elements.js'
+    ];
+
+    // select ShadowDOM impl
+    var ShadowDOM = flags.shadow ? ShadowDOMPolyfill : ShadowDOMNative;
+
+    // construct active dependency list
+    this.modules = [].concat(
+      ShadowDOM,
+      Lib,
+      WebElements,
+      Pointer,
+      MDV
+    );
+  }
 }
 
-// export 
+// export
 
 window[scopeName] = {
   entryPointName: thisFile,
@@ -29,7 +81,7 @@ var basePath = src.slice(0, src.indexOf(thisFile));
 if (!window.Loader) {
   var path = basePath + 'tools/loader/loader.js';
   document.write('<script src="' + path + '"></script>');
-} 
+}
 document.write('<script>Loader.load("' + scopeName + '")</script>');
-  
+
 })();