DOM Storage methods: set, get, add, remove, clean
// ==UserScript==
// @name DOM Storage plugin for IML
// @description DOM Storage methods: set, get, add, remove, clean
// @namespace https://greasyfork.org/users/136230
// @include *
// @version 1.0.1
// @grant none
// ==/UserScript==
(function(){
var wSessions = window.sessionStorage, wLocals = window.localStorage;
function toStr( obj ){
if( typeof obj === 'object' )
return JSON.stringify( obj );
switch( typeof obj )
{
case 'string':
return obj;
case 'number':
case 'boolean' :
return '' + obj;
default:
return '';
}
}
function add_value( obj, key, val )
{
var tmp = obj.getItem(key);
if( tmp )
tmp += toStr( val );
else
tmp = toStr(val);
set_value( obj, key, tmp);
}
function set_value( obj, key, val )
{
val = toStr( val );
if( !val )
return;
obj.setItem(key, val);
}
function remove_value()
{
var i, size = arguments.length;
for( i = 0; i < size; ++i )
this.removeItem( arguments[i] );
}
IML.extend({
localStorage: {
add: function(key, val){add_value( wLocals, key, val );},
set: function(key, val){set_value( wLocals, key, val );},
get: function(key){ return wLocals.getItem(key); },
remove: function(){ remove_value.apply( wLocals, arguments ); },
clear: function(){ wLocals.clear(); },
clean: function(){ wLocals.clear(); },
},
sessionStorage: {
add: function(key, val){add_value( wSessions, key, val );},
set: function(key, val){set_value( wSessions, key, val );},
get: function(key){ return wSessions.getItem(key); },
remove: function(){ remove_value.apply( wSessions, arguments ); },
clear: function(){ wSessions.clear(); },
clean: function(){ wSessions.clear(); },
},
});
})();