Generated by SassMeister.com.

SassMeister-input.scss

// ----
// Sass (v3.4.3)
// Compass (v1.0.1)
// ----

// Failed attempt to create a shortcut for writing AMCSS selectors.
//  Tried several approaches and all end up being more characters than just
//  typing out the selector. Also, unwarranted complexity.
//  
//  You win this time, Vanilla CSS.

@function am($module, $trait: false) {
  @if $trait == false  {
    @return '[am-' + $module + ']';
  } @else {
    @return '[am-' + $module + '~="' + $trait + '"]';
  }
}

#{am('module')} {
  color: red;
}

#{am('module', 'blue')} {
 color: blue;
}

#{am('module', 'large')} {
 font-size: 2em;
}

SassMeister-output.css

[am-module] {
  color: red;
}

[am-module~="blue"] {
  color: blue;
}

[am-module~="large"] {
  font-size: 2em;
}