_tools.scss 1.5 KB

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  1. //
  2. // Copyright 2021 Google Inc.
  3. //
  4. // Permission is hereby granted, free of charge, to any person obtaining a copy
  5. // of this software and associated documentation files (the "Software"), to deal
  6. // in the Software without restriction, including without limitation the rights
  7. // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  8. // copies of the Software, and to permit persons to whom the Software is
  9. // furnished to do so, subject to the following conditions:
  10. //
  11. // The above copyright notice and this permission notice shall be included in
  12. // all copies or substantial portions of the Software.
  13. //
  14. // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15. // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16. // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  17. // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  18. // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  19. // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  20. // THE SOFTWARE.
  21. //
  22. /// Returns either the first provided value if it is not null, or the second
  23. /// value if the first is null.
  24. ///
  25. /// @example scss
  26. /// $value: either(map.get($theme, key), 1rem);
  27. ///
  28. /// @param {*} $first - The first value to use, if it is not null.
  29. /// @param {*} $second - The second value to use if the first value is null.
  30. /// @return Either the first or the second value.
  31. @function either($first, $second) {
  32. @return if($first != null, $first, $second);
  33. }