////
/// (c) hidoo | MIT License
/// @group meta features
////

@use "sass:list";
@use "sass:map";
@use "sass:meta";

/// value is empty or not
/// @param {String|Number|List|Map} $value - test value
/// @return {Boolean} value is empty or not
///
/// @example scss - scss inputs
///   $result: function.meta-is-empty(""); // -> true
///
@function is-empty($value: null) {
  @if not $value {
    @return true;
  }

  $type: meta.type-of($value);

  @if $type == "string" and $value == "" {
    @return true;
  } @else if $type == "number" and $value == 0 {
    @return true;
  } @else if $type == "list" and list.length($value) == 0 {
    @return true;
  } @else if $type == "map" and $value == () {
    @return true;
  }

  @return false;
}