respond to mixin

respond-to.scss

$small-screen: 480px;
$medium-screen: 768px;
$large-screen: 960px;
$huge-screen: 1232px;

$breakpoints: (
  'small': ( max-width: $small-screen ),
  'small-up': ( min-width: $small-screen ),
  'medium': ( max-width: $medium-screen ),
  'medium-up': ( min-width: $medium-screen ),
  'large': ( max-width: $large-screen ),
  'large-up': ( min-width: $large-screen ),
  'huge': ( max-width: $huge-screen )
);

@mixin respond-to($name) {
  // If the key exists in the map
  @if map-has-key($breakpoints, $name) {
    // Prints a media query based on the value
    @media #{inspect(map-get($breakpoints, $name))} {
      @content;
    }
  }

  // If the key doesn't exist in the map
  @else {
    @warn "Unfortunately, no value could be retrieved from `#{$breakpoint}`. "
        + "Please make sure it is defined in `$breakpoints` map.";
  }
}