// use getContrast() at scss-palette
// @link https://github.com/archco/scss-palette/wiki/functions#getcontrastcolor-dark-000-light-fff
@function get-contrast($color, $dark: $text-color-dark, $light: $text-color-light) {
  @return get-contrast-color($color, $dark, $light);
}

@function percentage-round($number, $digits: 0) {
  @return decimal-round(percentage($number), $digits);
}

// get infix from breakpoints key.
//
// @param  String  $breakpoint key of grid-breakpoints.
// @return String
@function breakpoint-infix($breakpoint) {
  @return if($breakpoint == 'base', '', ('-' + $breakpoint));
}

// Internal Bootstrap function to turn maps into its negative variant.
// It prefixes the keys with `n` and makes the value negative.
// @link https://github.com/twbs/bootstrap/blob/08ba61e276a6393e8e2b97d56d2feb70a24fe22c/scss/_functions.scss#L35
@function negativify-map($map) {
  $result: ();
  @each $key, $value in $map {
    @if $key != 0 {
      $result: map-merge($result, ('n' + $key: (-$value)));
    }
  }
  @return $result;
}

// Replace `$search` with `$replace` in `$string`
// Used on our SVG icon backgrounds for custom forms.
//
// @author Hugo Giraudel
// @param {String} $string - Initial string
// @param {String} $search - Substring to replace
// @param {String} $replace ('') - New value
// @return {String} - Updated string
@function str-replace($string, $search, $replace: '') {
  $index: str-index($string, $search);

  @if $index {
    @return str-slice($string, 1, $index - 1) + $replace + str-replace(str-slice($string, $index + str-length($search)), $search, $replace);
  }

  @return $string;
}

// See https://codepen.io/kevinweber/pen/dXWoRw
@function escape-svg($string) {
  $escaped-characters: (
    ('<', '%3c'),
    ('>', '%3e'),
    ('#', '%23'),
  ) !default;

  @if str-index($string, 'data:image/svg+xml') {
    @each $char, $encoded in $escaped-characters {
      $string: str-replace($string, $char, $encoded);
    }
  }

  @return $string;
}