Contents

// Math Validation
// ===============

// Valid Columns
// -------------
// Check that a column setting is valid.
@function valid-columns(
  $columns
) {
  $type: type-of($columns);
  $return: null;

  @if $type == number and unitless($columns) {
    $return: $columns;
  } @else if $type == list {
    $fail: false;
    @each $col in $columns {
      $number: if(type-of($col == number), true, null);
      $fail: $fail or if($number and unitless($col), null, true);
    }
    $return: if($fail, $return, $columns);
  }

  @if $return != $columns {
    $warn: '$columns must be a unitless number or list of unitless numbers.';
    @warn $warn + ' Current value [#{$type}]: #{$columns}';
  } @else {
    @return $return;
  }
}

// Valid Gutters
// -------------
// Check that a gutter setting is valid.
@function valid-gutters(
  $gutters
) {
  $type: type-of($gutters);

  @if $type == number and unitless($gutters) {
    @return $gutters;
  } @else {
    $warn: '$gutters must be a unitless number.';
    @warn $warn + ' Current value [#{$type}]: #{$gutters}';
  }
}

// Valid Column-Width
// ------------------
// Check that a column-width setting is valid.
@function valid-column-width(
  $column-width
) {
  $type: type-of($column-width);

  @if ($type == number and unit($column-width)) or not $column-width {
    @return $column-width;
  } @else {
    $warn: '$column-width must be a length (number with units), or false.';
    @warn $warn + ' Current value [#{$type}]: #{$column-width}';
  }
}

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
susy-2.0.0.beta.1	sass/susy/math/_validation.scss