Support cache busting for meta tags

README.md

@@ -303,6 +303,9 @@ Remote URLs for CSS, JavaScript, and images are ignored by cacheBust. This assum
 
 ### Change Log
 
+**v0.6.1**
+* Support cache busting for meta tags
+
 **v0.6.0**
 * Support cache busting for video tag
 * Fix CSS processing for media queries with comments

config/metas.js

@@ -0,0 +1,10 @@
+module.exports = {
+    options: {
+        baseDir: 'tmp/metas'
+    },
+    files: [{
+        expand: true,
+        cwd: 'tmp/metas/',
+        src: ['*.html']
+    }]
+};

package.json

@@ -1,7 +1,7 @@
 {
   "name": "grunt-cache-bust",
   "description": "Bust static assets from the cache using content hashing",
-  "version": "0.6.0",
+  "version": "0.6.1",
   "author": "Ben Holland <[email protected]>",
   "repository": {
     "type": "git",

tasks/lib/defaultFilters.js

@@ -5,6 +5,9 @@ module.exports = {
     'link[rel="stylesheet"]': function() {
         return this.attribs['href'];
     },
+    'meta[property]': function() {
+        return this.attribs.content;
+    },
     'img': [
         function() {
             return this.attribs.src;

tasks/lib/utils.js

@@ -68,6 +68,10 @@ module.exports = {
             filePath = element.attribs.href;
         }
 
+        if (element.attribs.content) {
+            filePath = element.attribs.content;
+        }
+
         return filePath ? this.checkIfValidFile(url.parse(filePath), cdnPath) : false;
     },
 

tests/metas/metas.html

@@ -0,0 +1,3 @@
+<meta property="og:image" content="assets/image1.jpg">
+<meta property="og:image" content="assets/image1.png">
+<meta property="og:image" content="assets/image1.gif">

tests/metas/metas_test.js

@@ -0,0 +1,19 @@
+'use strict';
+
+var grunt = require('grunt');
+
+module.exports = {
+
+    metas: function(test) {
+        test.expect(3);
+
+        var markup = grunt.file.read('tmp/metas/metas.html');
+
+        test.ok(markup.match(/image1\.[a-z0-9]{16}\.jpg/), 'testing meta .jpg');
+        test.ok(markup.match(/image1\.[a-z0-9]{16}\.png/), 'testing meta .png');
+        test.ok(markup.match(/image1\.[a-z0-9]{16}\.gif/), 'testing meta .gif');
+
+        test.done();
+    }
+
+};