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Created November 8, 2011 21:06
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AuditRules.js
/*
* 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
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
=== 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);
}
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