let contextMenu = require('context-menu');
contextMenu.Item({
label: 'Search Stack Overflow',
image: require('self').data.url('favicon.ico'),
context: contextMenu.SelectionContext(),
contentScript: 'self.on("click", self.postMessage);',
onMessage: function () {
let selection = require('selection').text;
let url = 'http://stackoverflow.com/search?q=' + selection;
require('tabs').open(url);
}
});