Generated by SassMeister.com.

SassMeister-input.scss

// ----
// Sass (v3.4.14)
// Compass (v1.0.3)
// Include Media (v1.3.0)
// ----

@import "include-media";

// The breakpoint we want to emulate
$im-no-media-breakpoint: 'desktop';

// The media expressions allowed
$im-no-media-expressions: ('screen');

@function _im-no-media-show($conditions...) {
  $show: true;
  $no-media-breakpoint-value: map-get($breakpoints, $im-no-media-breakpoint);
  
  @each $condition in $conditions {
    @if $show {
      @if not map-has-key($media-expressions, $condition) {
        $operator: get-expression-operator($condition);
        $prefix: get-expression-prefix($operator);
        $value: get-expression-value($condition, $operator);
        
        @if ($prefix == 'max' and $value <= $no-media-breakpoint-value) or
            ($prefix == 'min' and $value > $no-media-breakpoint-value) {
          $show: false;
        }    
      } @else {
        @if not index($im-no-media-expressions, $condition) {
          $show: false;
        }
      }       
    }
  }
  
  @return $show;
}

@mixin media($conditions...) {
  @if _im-no-media-show($conditions...) {
    @content;
  }
}

// ----- Demo -----

// This one is greater than our breakpoint,
// so we'll ignore it.
@include media('>=desktop') {
  .foo {
    color: tomato;
  }
}

// This one spans our breakpoint, so we'll
// unwrap it and show its contents
@include media('>=phone', '<desktop') {
  .bar {
    color: blue;
  }
}

// This one won't be displayed because it
// contains a forbidden media expression
@include media('>=phone', 'retina2x') {
  .baz {
    color: pink;
  }
}

SassMeister-output.css

.foo {
  color: tomato;
}