_functions.scss

/**
 * Copyright 2015 Google Inc. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

@function strip-units($number) {
  @return $number / ($number * 0 + 1);
}

/**
 * If passed a color, behaves just like the built-in `rgba`.
 * Otherwise, generates an `rgba` literal.
 *
 * This is used for generating invalid CSS with placeholders for colors that can
 * then be customized into valid CSS without using Sass.
 */
@function rgba-tpl($color, $alpha) {
  @if type-of($color) == color {
    @return rgba($color, $alpha);
  } @else {
    @return unquote("rgba(#{$color}, #{$alpha})");
  }
}