_u-componentConstructor.scss

/**
 * Component Constructor
 *
 * Used to provide a means for overriding default styles without redundant output
 * Allows for the component to be package managed with a tool like bower
 * without being tied to its predefined styles/settings for unit testing
 *
 * Sass v3.3.2 (Maptastic Maple)
 * Compass (v1.0.0.alpha.19)
 *
 * 1. Component Constructor takes arguments, $map, and $key(s)
 * 2. Loop over $map and find properties and values
 * 3. Output 'property: value;'
 * 4. Account for nested maps
 *
 */
@mixin componentConstructor($map, $keys...){    /* 1 */
  $i: 1;
  $length: length($keys);
  @while $length >= $i  {
    $map: map-get($map, nth($keys, $i));    /* 4 */
    $i: $i + 1;
  }
  @each $p, $v in $map {    /* 2 */
    @if type-of($v) != map {      /* 4 */
      #{$p}: $v;    /* 3 */
    }
  }
}