.text-fit class to fit text into div

.text-fit class

function text_fit() {
  $(".text-fit").each(function() {
    var square = $(this).width()*$(this).height()
    var chars = $(this).text().trim().length
    var letter_square = square/chars;
    var letter_height = Math.sqrt(letter_square)*4/3
    $(this).css({"line-height": letter_height+"px", "font-size": letter_height+"px"})

  })

}

$(document).on("turbolinks:load",text_fit)