Add support for Opera's scriptStorage with $.delete, $.get and $.set. Close #503

4chan_x.user.js

@@ -527,6 +527,24 @@
       localStorage.setItem(name, value);
       return GM_setValue(name, value);
     }
+  } : window.opera ? {
+    "delete": function(name) {
+      return delete opera.scriptStorage[$.NAMESPACE + name];
+    },
+    get: function(name, defaultValue) {
+      var value;
+      if (value = opera.scriptStorage[$.NAMESPACE + name]) {
+        return JSON.parse(value);
+      } else {
+        return defaultValue;
+      }
+    },
+    set: function(name, value) {
+      name = $.NAMESPACE + name;
+      value = JSON.stringify(value);
+      localStorage.setItem(name, value);
+      return opera.scriptStorage[name] = value;
+    }
   } : {
     "delete": function(name) {
       return localStorage.removeItem($.NAMESPACE + name);

script.coffee

@@ -411,6 +411,20 @@ $.extend $,
       # for `storage` events
       localStorage.setItem name, value
       GM_setValue name, value
+  else if window.opera
+    delete: (name)->
+      delete opera.scriptStorage[$.NAMESPACE + name]
+    get: (name, defaultValue) ->
+      if value = opera.scriptStorage[$.NAMESPACE + name]
+        JSON.parse value
+      else
+        defaultValue
+    set: (name, value) ->
+      name  = $.NAMESPACE + name
+      value = JSON.stringify value
+      # for `storage` events
+      localStorage.setItem name, value
+      opera.scriptStorage[name] = value
   else
     delete: (name) ->
       localStorage.removeItem $.NAMESPACE + name