jj exit insert mode luakit

gistfile1.lua

add_binds("insert", {
    lousy.bind.key({}, "j", function (w) 
        local now = luakit.time()
        if now - (w.last_j_press or 0) < 1 then 
            -- Success! 
            w:set_mode()
            return true
        end
        w.last_j_press = now
        return false
    end),
    lousy.bind.any(function (w, o)
        if #o.mods == 0 and o.key ~= "j" then
            w.last_j_press = 0 
        end
        return false
    end),
})