dist/glide.esm.js
function get() {
      var value = Peek.value;
      var perView = Glide.settings.perView;

      if (isObject(value)) {
        return value.before / perView + value.after / perView;
      }

      return value * 2 / perView;
    }
function get() {
      var value = Peek.value;
      var perView = Glide.settings.perView;

      if (isObject(value)) {
        return value.before / perView + value.after / perView;
      }

      return value * 2 / perView;
    }
function get ( ) { var value = Peek . value ; var perView = Glide . settings . perView ; if ( isObject ( value ) ) { return value . before / perView + value . after / perView ; } return value * 2 / perView ; }
Gets reduction value caused by peek.

@returns {Number}
Gets reduction value caused by peek .