AuditRules.js

AuditRules.js.diff

/*
 * Copyright (C) 2010 Google Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
 * distribution.
 *     * Neither the name of Google Inc. nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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=== modified file 'AuditRules.js' r109054
--- AuditRules.js
+++ AuditRules.js
@@ -328,6 +328,7 @@
                     var stylesheetSize = 0;
                     var unusedStylesheetSize = 0;
                     var unusedRules = [];
+                    var usedCss = "";
                     for (var curRule = 0; curRule < styleSheet.rules.length; ++curRule) {
                         var rule = styleSheet.rules[curRule];
                         // Exact computation whenever source ranges are available.
@@ -335,8 +336,10 @@
                         if (!textLength && rule.style.cssText)
                             textLength = rule.style.cssText.length + rule.selectorText.length;
                         stylesheetSize += textLength;
-                        if (!testedSelectors[rule.selectorText] || foundSelectors[rule.selectorText])
+                        if (!testedSelectors[rule.selectorText] || foundSelectors[rule.selectorText]) {
+                            usedCss += "\n" + rule.selectorText + " {" + rule.style.cssText + "}\n";
                             continue;
+                        }
                         unusedStylesheetSize += textLength;
                         unusedRules.push(rule.selectorText);
                     }
@@ -365,7 +368,8 @@
 
                 var totalUnusedPercent = Math.round(100 * totalUnusedStylesheetSize / totalStylesheetSize);
                 summary.value = String.sprintf("%s (%d%%) of CSS is not used by the current page.", Number.bytesToString(totalUnusedStylesheetSize), totalUnusedPercent);
-
+                // Save only used css rules.
+                InspectorFrontendHost.saveAs("used.css", usedCss);
                 callback(result);
             }