@function __unescape-html-char($char) {
  @return __const("html-unescapes" $char);
}

@function __unescape($string) {
  $string: __base-to-string($string);
  $escapes: ();

  @each $escaped, $unescaped in __const("html-unescapes") {
    $escaped-index: str-index($string, $escaped);

    @if $escaped-index {
      $escapes: append(
        $escapes,
        (
          "escaped": $escaped,
          "unescaped": $unescaped,
          "index": $escaped-index
        )
      );
    }
  }

  $escapes: __sort-by($escapes, __property("index"));

  @each $escaped-map in $escapes {
    $escaped: __get($escaped-map, "escaped");
    $unescaped: __get($escaped-map, "unescaped");
    $string: __string-replace($string, $escaped, $unescaped);
  }

  @return $string;
}

/// The inverse of `_escape`; this method converts the HTML entities
/// `&`, `<`, `>`, `"`, `'`, and ``` in `string` to their
/// corresponding characters.
/// **Note:** No other HTML entities are unescaped.
///
/// @access public
/// @group String
/// @param {string} $string [''] - The string to unescape.
/// @returns {string} Returns the unescaped string.
/// @example scss
/// $foo: _unescape('fred, barney, & pebbles');
/// // => 'fred, barney, & pebbles'

@function _unescape($args...) {
  @return call(get-function("__unescape"), $args...);
}