Function registerMenuCommand

popup-window/popup-window.user.js:689–693

(label, action)

    }
    let registeredMenuCommands = {}
    function registerMenuCommand(label, action) {
        const menuCommandId = GM_registerMenuCommand(label, action)
        registeredMenuCommands[label] = menuCommandId
        return menuCommandId
    }
    function saveWindowConfig(width, height, left, top, HostName = window.location.hostname) {
        config.windowWidth = width
        config.windowHeight = height