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@mixin _assert-ascending($map, $map-name) { |
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$prev-key: null; |
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$prev-num: null; |
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@each $key, $num in $map { |
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@if $prev-num == null or unit($num) == "%" or unit($prev-num) == "%" { |
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} @else if not comparable($prev-num, $num) { |
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@warn "Potentially invalid value for #{$map-name}: This map must be in ascending order, but key '#{$key}' has value #{$num} whose unit makes it incomparable to #{$prev-num}, the value of the previous key '#{$prev-key}' !"; |
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} @else if $prev-num >= $num { |
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@warn "Invalid value for #{$map-name}: This map must be in ascending order, but key '#{$key}' has value #{$num} which isn't greater than #{$prev-num}, the value of the previous key '#{$prev-key}' !"; |
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} |
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$prev-key: $key; |
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$prev-num: $num; |
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} |
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} |
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@mixin _assert-starts-at-zero($map, $map-name: "$grid-breakpoints") { |
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$values: map-values($map); |
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$first-value: nth($values, 1); |
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@if $first-value != 0 { |
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@warn "First breakpoint in #{$map-name} must start at 0, but starts at #{$first-value}."; |
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} |
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} |
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@function str-replace($string, $search, $replace: "") { |
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$index: str-index($string, $search); |
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@if $index { |
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@return str-slice($string, 1, $index - 1) + $replace + str-replace(str-slice($string, $index + str-length($search)), $search, $replace); |
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} |
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@return $string; |
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} |
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@function escape-svg($string) { |
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@if str-index($string, "data:image/svg+xml") { |
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@each $char, $encoded in $escaped-characters { |
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$string: str-replace($string, $char, $encoded); |
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} |
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} |
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@return $string; |
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} |
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@function color-yiq($color, $dark: $yiq-text-dark, $light: $yiq-text-light) { |
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$r: red($color); |
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$g: green($color); |
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$b: blue($color); |
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$yiq: (($r * 299) + ($g * 587) + ($b * 114)) / 1000; |
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@if ($yiq >= $yiq-contrasted-threshold) { |
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@return $dark; |
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} @else { |
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@return $light; |
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} |
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} |
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@function color($key: "blue") { |
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@return map-get($colors, $key); |
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} |
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@function theme-color($key: "primary") { |
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@return map-get($theme-colors, $key); |
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} |
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@function gray($key: "100") { |
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@return map-get($grays, $key); |
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} |
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@function theme-color-level($color-name: "primary", $level: 0) { |
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$color: theme-color($color-name); |
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$color-base: if($level > 0, $black, $white); |
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$level: abs($level); |
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@return mix($color-base, $color, $level * $theme-color-interval); |
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} |
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@function add($value1, $value2, $return-calc: true) { |
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@if $value1 == null { |
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@return $value2; |
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} |
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@if $value2 == null { |
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@return $value1; |
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} |
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@if type-of($value1) == number and type-of($value2) == number and comparable($value1, $value2) { |
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@return $value1 + $value2; |
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} |
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@return if($return-calc == true, calc(#{$value1} + #{$value2}), $value1 + unquote(" + ") + $value2); |
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} |
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@function subtract($value1, $value2, $return-calc: true) { |
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@if $value1 == null and $value2 == null { |
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@return null; |
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} |
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@if $value1 == null { |
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@return -$value2; |
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} |
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@if $value2 == null { |
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@return $value1; |
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} |
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@if type-of($value1) == number and type-of($value2) == number and comparable($value1, $value2) { |
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@return $value1 - $value2; |
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} |
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@return if($return-calc == true, calc(#{$value1} - #{$value2}), $value1 + unquote(" - ") + $value2); |
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} |
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