init Crackle

crackle.js

@@ -0,0 +1,76 @@
+/**
+ * Crackle
+ * jQuery comparator, equality, and JavaScript utility functions
+ * git@github.com:wayoutmind/crackle.git
+ */
+
+// ==ClosureCompiler==
+// @compilation_level SIMPLE_OPTIMIZATIONS
+// @output_file_name crackle.min.js
+// ==/ClosureCompiler==
+
+(function($) {
+  var Crackle = {
+    /**
+     * Return elements of `self` not in `that`
+     * @param self {Array}
+     * @param that {Array}
+     */
+    difference: function(self) {
+      return {
+        from: function(that) {
+          return self.filter(function(e) {
+            return (that.indexOf(e) < 0);
+          });
+        }
+      };
+    },
+    /**
+     * Return jQuery objects from HTML string(s)
+     * @param self {String Array} or {String}
+     */
+    parse: function(self) {
+      if (Array.isArray(self)) {
+        return self.map(function(html) {
+          return $(html);
+        });
+      } else {
+        return $(self);
+      }
+    },
+    /**
+     * Return HTML strings from jQuery object(s)
+     * @param self {jQuery Object Array} or {jQuery Object}
+     */
+    stringify: function(self) {
+      if (typeof self === 'string') {
+        return self;
+      } else if (Array.isArray(self)) {
+        return self.map(function(object) {
+          return object.outerHTML;
+        });
+      } else {
+        return self.outerHTML;
+      }
+    },
+    /**
+     * Fuzzy similarity comparator
+     */
+    compare: function(self) {
+      return {
+        to: function(that) {
+          if (Crackle.stringify(self) === Crackle.stringify(that)) {
+            return true;
+          } else if ($(self).attr('id') === $(that).attr('id')) {
+            return true;
+          } else {
+            return false;
+          }
+        }
+      };
+    }
+  };
+
+  window.Crackle = Crackle;
+
+})(jQuery);