Firefox Add-Ons - Search on Twitter

    {
        "manifest_version": 2,
        "name":"Search on Twitter",
        "description": "Selected text Search on Twitter",
        "version": "1.0",
        "author": "Semih Çelikol",
        "homepage_url": "http://semihcelikol.com",
        "icons": {
            "48": "icons/icon48.png",
            "64": "icons/icon64.png",
            "96": "icons/icon96.png"
        },
        "permissions": ["contextMenus"],
        "background": {
            "scripts": [
                "background.js"
            ]
        }
    }

    browser.contextMenus.create({
        id: "tts",
        title: "Search on Twitter",
        contexts: ["selection"]
    });

    browser.contextMenus.onClicked.addListener(contextMenuAction);

    function contextMenuAction(info, tab){
        const url = "https://twitter.com/search?q="+ info.selectionText+ "&src=typed_query";

        browser.tabs.create({url:url});
    }