[hump.gamestate] textinput callback doesn't work properly about hump HOT 3 CLOSED

gamestate = require("gamestate")

local state = {}
local check1 = ""
local check2 = ""

function love.textinput(inp)
    check1 = inp
end

state.textinput = function(inp)
    check2 = (inp == state) and "true\n" or "false\n"
    check2 = check2 .. type(inp) .. "\n"
    for key, _ in pairs(inp) do
        check2 = check2 .. key .. "\n"
    end
end

state.draw = function()
    love.graphics.print(check1, 1, 1)
    love.graphics.print(check2, 50, 1)
end

function love.load()
  gamestate.registerEvents()
  gamestate.switch(state)
end