mirror of https://github.com/TryGhost/Ghost.git
546 lines
17 KiB
SCSS
546 lines
17 KiB
SCSS
/*
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* Breakpoint Sass 1.3.0
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* Last updated: 2012-08-28
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* Copyright: Mason Wendell 2012 - MIT Licensed
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* Source: https://github.com/canarymason/breakpoint
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*/
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//////////////////////////////
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// Default Variables
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//////////////////////////////
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$breakpoint-default-feature: 'min-width' !default;
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$breakpoint-default-media: 'all' !default;
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$breakpoint-force-media-all: false !default;
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$breakpoint-default-pair: 'width' !default;
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$breakpoint-to-ems: false !default;
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$breakpoint-prefixes: 'webkit' 'moz' !default;
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$breakpoint-prefixed-queries: 'device-pixel-ratio' 'min-device-pixel-ratio' 'max-device-pixel-ratio' !default;
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$breakpoint-no-queries: false !default;
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$breakpoint-no-query-wrappers: false !default;
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$breakpoint-base-font-size: false;
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//////////////////////////////
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// Converts the input value to Base EMs
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//////////////////////////////
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@function breakpoint-to-base-em($value, $base-font-size: false) {
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$value-unit: unit($value);
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// Will convert relative EMs into root EMs.
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@if $base-font-size and type-of($base-font-size) == 'number' and $value-unit == 'em' {
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$base-unit: unit($base-font-size);
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@if $base-unit == 'px' or $base-unit == '%' or $base-unit == 'em' or $base-unit == 'pt' {
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@return base-conversion($value) / base-conversion($base-font-size) * 1em;
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}
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@else {
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@warn '#{$base-font-size} is not set in valid units for font size!';
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@return false;
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}
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}
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@else {
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@return base-conversion($value);
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}
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}
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@function base-conversion($value) {
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$unit: unit($value);
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@if $unit == 'px' {
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@return $value / 16px * 1em;
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}
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@else if $unit == '%' {
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@return $value / 100% * 1em;
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}
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@else if $unit == 'em' {
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@return $value;
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}
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@else if $unit == 'pt' {
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@return $value / 12pt * 1em;
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}
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@else {
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@return $value;
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// @warn 'Everything is terrible! What have you done?!';
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}
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}
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//////////////////////////////
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// Returns whether the feature can have a min/max pair
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//////////////////////////////
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@function breakpoint-min-max($feature) {
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@if $feature == 'color' or $feature == 'color-index' or $feature == 'aspect-ratio' or $feature == 'device-height' or $feature == 'device-width' or $feature == 'height' or $feature == 'monochrome' or $feature == 'resolution' or $feature == 'width' or $feature == 'device-pixel-ratio' {
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@return true;
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}
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@else {
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@return false;
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}
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}
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//////////////////////////////
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// Returns whether the feature can have a string value
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//////////////////////////////
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@function breakpoint-string-value($feature) {
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@if $feature == 'orientation' or $feature == 'scan' or $feature == 'color' or $feature == 'resolution' or $feature == 'min-resolution' or $feature == 'max-resolution' {
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@return true;
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}
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@else {
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@return false;
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}
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}
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//////////////////////////////
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// Experimental Media Queries
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//////////////////////////////
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@function breakpoint-experimental($property, $prefix) {
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@if $property == 'min-device-pixel-ratio' {
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@if $prefix == 'webkit' {
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@return '-#{$prefix}-#{$property}';
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}
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@else if $prefix == 'moz' {
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@return 'min--#{$prefix}-device-pixel-ratio';
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}
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@else {
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@warn '#{$property} is not fully supported in -#{prefix}';
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@return 'ERROR';
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}
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}
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@else if $property == 'max-device-pixel-ratio' {
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@if $prefix == 'webkit' {
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@return '-#{$prefix}-#{$property}';
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}
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@else if $prefix == 'moz' {
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@return 'max--#{$prefix}-device-pixel-ratio';
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}
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@else {
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@warn '#{$property} is not fully supported in -#{prefix}';
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@return 'ERROR';
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}
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}
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@else {
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@return '-#{$prefix}-#{$property}';
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}
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}
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//////////////////////////////
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// Private Breakpoint Variables
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//////////////////////////////
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$TXkgdmFyaWFibGUhIEdvIGF3YXkh: () !default;
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//////////////////////////////
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// Breakpoint Get Context
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// $feature: Input feature to get it's current MQ context. Returns false if no context
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//////////////////////////////
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@function breakpoint-get-context($feature) {
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@each $context in $TXkgdmFyaWFibGUhIEdvIGF3YXkh {
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@if $feature == nth($context, 1) {
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@return nth($context, 2);
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}
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}
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@return false;
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}
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//////////////////////////////
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// Private function to set context
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//////////////////////////////
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@function U2V0IHlvdXIgb3duIGRhbW4gY29udGV4dHMh($feature, $value) {
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@if $value == 'monochrome' {
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$feature: 'monochrome';
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}
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$append: $feature;
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$append: join($append, $value, space);
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$TXkgdmFyaWFibGUhIEdvIGF3YXkh: append($TXkgdmFyaWFibGUhIEdvIGF3YXkh, $append, comma);
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@return true;
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}
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//////////////////////////////
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// Private function to reset context
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//////////////////////////////
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@mixin TXkgcmVzZXQhIEdvIGF3YXkh {
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$TXkgdmFyaWFibGUhIEdvIGF3YXkh: ();
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}
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//////////////////////////////
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// Breakpoint Mixin
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//////////////////////////////
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@mixin breakpoint($breakpoint, $media: $breakpoint-default-media, $no-query: false, $base-font-size: $breakpoint-base-font-size) {
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// Query and Media String Defaults
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$query: false !default;
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$query-holder: false !default;
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$media-string: false !default;
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$do-prefix: false !default;
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$webkit: false !default;
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$webkit-first: true !default;
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$moz: false !default;
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$moz-first: true !default;
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$o: false !default;
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$o-first: true !default;
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$ms: false !default;
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$ms-first: true !default;
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// Holder for Count
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$first: true !default;
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// Reset Context
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@include TXkgcmVzZXQhIEdvIGF3YXkh;
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// Set Media Context
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$context: U2V0IHlvdXIgb3duIGRhbW4gY29udGV4dHMh('media', $media);
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// Initialize Query String
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@if $media != 'all' or $breakpoint-force-media-all {
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$media-string: "#{$media} ";
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}
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@else {
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$media-string: "";
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}
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// If we have a single query, let's just work with that.
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@if is_breakpoint_list($breakpoint) == false {
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@each $prefix-query in $breakpoint-prefixed-queries {
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@if $do-prefix == false {
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$do-prefix: featureExists($prefix-query, $breakpoint);
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}
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}
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@if $do-prefix {
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@each $prfx in $breakpoint-prefixes {
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@if $prfx == 'webkit' {
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$webkit: breakpoint-switch($breakpoint, $media-string, true, $prfx, $base-font-size: $base-font-size);
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}
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@if $prfx == 'moz' {
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$moz: breakpoint-switch($breakpoint, $media-string, true, $prfx, $base-font-size: $base-font-size);
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}
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@if $prfx == 'o' {
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$o: breakpoint-switch($breakpoint, $media-string, true, $prfx, $base-font-size: $base-font-size);
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}
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@if $prfx == 'ms' {
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$ms: breakpoint-switch($breakpoint, $media-string, true, $prfx, $base-font-size: $base-font-size);
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}
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}
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}
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@else {
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$query: breakpoint-switch($breakpoint, $media-string, true, $base-font-size: $base-font-size);
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}
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}
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@else {
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// See if Prefix Query exists
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@each $prefix-query in $breakpoint-prefixed-queries {
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@if $do-prefix == false {
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$do-prefix: featureExists($prefix-query, $breakpoint);
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}
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}
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@if $do-prefix {
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@each $prfx in $breakpoint-prefixes {
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@each $bkpt in $breakpoint {
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@if $prfx == 'webkit' {
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@if $webkit-first {
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$webkit: breakpoint-switch($bkpt, $media-string, true, $prfx, $base-font-size: $base-font-size);
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$webkit-first: false;
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}
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@else {
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$webkit: join($webkit, breakpoint-switch($bkpt, $media-string, $prefix: $prfx, $base-font-size: $base-font-size));
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}
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}
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@if $prfx == 'moz' {
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@if $moz-first {
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$moz: breakpoint-switch($bkpt, $media-string, true, $prfx, $base-font-size: $base-font-size);
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$moz-first: false;
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}
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@else {
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$moz: join($moz, breakpoint-switch($bkpt, $media-string, $prefix: $prfx, $base-font-size: $base-font-size));
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}
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}
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@if $prfx == 'o' {
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@if $o-first {
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$o: breakpoint-switch($bkpt, $media-string, true, $prfx, $base-font-size: $base-font-size);
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$o-first: false;
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}
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@else {
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$o: join($o, breakpoint-switch($bkpt, $media-string, $prefix: $prfx, $base-font-size: $base-font-size));
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}
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}
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@if $prfx == 'ms' {
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@if $ms-first {
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$ms: breakpoint-switch($bkpt, $media-string, true, $prfx, $base-font-size: $base-font-size);
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$ms-first: false;
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}
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@else {
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$ms: join($ms, breakpoint-switch($bkpt, $media-string, $prefix: $prfx, $base-font-size: $base-font-size));
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}
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}
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}
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}
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}
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@else {
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@each $bkpt in $breakpoint {
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@if $first == true {
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$query: breakpoint-switch($bkpt, $media-string, true, $base-font-size: $base-font-size);
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$first: false;
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}
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@else {
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$query: join($query, breakpoint-switch($bkpt, $media-string, $base-font-size: $base-font-size));
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}
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}
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}
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}
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@if $breakpoint-no-queries {
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@if $no-query {
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$context: U2V0IHlvdXIgb3duIGRhbW4gY29udGV4dHMh('no queries', true);
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@if $breakpoint-no-query-wrappers and type-of($no-query) == string {
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#{$no-query} & {
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@content;
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$context: U2V0IHlvdXIgb3duIGRhbW4gY29udGV4dHMh('no query wrapper', $no-query);
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}
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}
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@else {
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@content;
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}
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}
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}
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@else {
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@if $breakpoint-no-query-wrappers and type-of($no-query) == string {
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#{$no-query} & {
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@content;
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$context: U2V0IHlvdXIgb3duIGRhbW4gY29udGV4dHMh('no query wrapper', $no-query);
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}
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}
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@if $query {
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@media #{$query} {
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@content;
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}
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}
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@else {
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$pf-queries: $webkit, $moz, $o, $ms;
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$pf-query: ();
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@each $pfq in $pf-queries {
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@if $pfq {
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$pf-query: append($pf-query, $pfq, comma);
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}
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}
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@media #{$pf-query} {
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@content;
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}
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}
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}
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@include TXkgcmVzZXQhIEdvIGF3YXkh;
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}
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@function breakpoint-switch($breakpoint, $media-string, $first: false, $prefix: false, $base-font-size: $breakpoint-base-font-size) {
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// Feature/Value/Length/Query Placehoders:
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$feature: false !default;
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$min-feature: "min-#{$breakpoint-default-pair}" !default;
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$max-feature: "max-#{$breakpoint-default-pair}" !default;
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$value: false !default;
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$min-value: false !default;
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$max-value: false !default;
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$length: false !default;
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$query: false !default;
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$length: length($breakpoint);
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// Check to see if there is only one item.
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@if $length == 1 {
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$value: $breakpoint;
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@if type-of($breakpoint) == 'number' {
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$feature: $breakpoint-default-feature;
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}
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// If EM Breakpoints are active, do it!
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@if $breakpoint-to-ems and type-of($value) == 'number' {
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$value: breakpoint-to-base-em($value, $base-font-size);
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}
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// Build the Query
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$query: breakpoint-generate($media-string, $feature, $value, $first);
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// Set Context
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$context: U2V0IHlvdXIgb3duIGRhbW4gY29udGV4dHMh($feature, $value);
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}
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@else if $length == 2 {
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// If both are numbers, we've got a double!
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@if type-of(nth($breakpoint, 1)) == 'number' and type-of(nth($breakpoint, 2)) == 'number' {
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// See which is larger.
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@if nth($breakpoint, 1) > nth($breakpoint, 2) {
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$min-value: nth($breakpoint, 2);
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$max-value: nth($breakpoint, 1);
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}
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@else {
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$min-value: nth($breakpoint, 1);
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$max-value: nth($breakpoint, 2);
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}
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// If EM Breakpoints are active, do it!
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@if $breakpoint-to-ems and type-of($min-value) == 'number' {
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$min-value: breakpoint-to-base-em($min-value, $base-font-size);
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}
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@if $breakpoint-to-ems and type-of($max-value) == 'number' {
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$max-value: breakpoint-to-base-em($max-value, $base-font-size);
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}
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// Min/Max for given
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$query: breakpoint-generate($media-string, $min-feature, $min-value, $first);
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$query: join($query, breakpoint-generate($media-string, $max-feature, $max-value));
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// Set Context
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$context: U2V0IHlvdXIgb3duIGRhbW4gY29udGV4dHMh($min-feature, $min-value);
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$context: U2V0IHlvdXIgb3duIGRhbW4gY29udGV4dHMh($max-feature, $max-value);
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}
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@else if type-of(nth($breakpoint, 1)) == 'string' and type-of(nth($breakpoint, 2)) == 'string' {
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@if breakpoint-string-value(nth($breakpoint, 1)) == true {
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$feature: nth($breakpoint, 1);
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$value: nth($breakpoint, 2);
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}
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@else {
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$feature: nth($breakpoint, 2);
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$value: nth($breakpoint, 1);
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}
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// If EM Breakpoints are active, do it!
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@if $breakpoint-to-ems and type-of($value) == 'number' {
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$value: breakpoint-to-base-em($value, $base-font-size);
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}
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// Build the Query
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$query: breakpoint-generate($media-string, $feature, $value, $first);
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// Set Context
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$context: U2V0IHlvdXIgb3duIGRhbW4gY29udGV4dHMh($feature, $value);
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}
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@else {
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// Because we can have either the first or second option be the feature, we switch on it.
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@if type-of(nth($breakpoint, 1)) == string {
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$feature: nth($breakpoint, 1);
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$value: nth($breakpoint, 2);
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}
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@else if type-of(nth($breakpoint, 2)) == string {
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$feature: nth($breakpoint, 2);
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$value: nth($breakpoint, 1);
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}
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@if $feature == 'device-pixel-ratio' or $feature == 'min-device-pixel-ratio' or $feature == 'max-device-pixel-ratio' {
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$feature: breakpoint-experimental($feature, $prefix);
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//$value: 96 * $value * 1dpi;
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// @if $feature == 'device-pixel-ratio' {
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// $feature: 'resolution';
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// }
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// @else if $feature == 'min-device-pixel-ratio' {
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// $feature: 'min-resolution';
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// }
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// @else if $feature == 'max-device-pixel-ratio' {
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// $feature: 'max-resolution';
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// }
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}
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// If EM Breakpoints are active, do it!
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@if $breakpoint-to-ems and type-of($value) == 'number' {
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$value: breakpoint-to-base-em($value, $base-font-size);
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}
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// Build the Query
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$query: breakpoint-generate($media-string, $feature, $value, $first);
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// Set Context
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$context: U2V0IHlvdXIgb3duIGRhbW4gY29udGV4dHMh($feature, $value);
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}
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}
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@else if $length == 3 {
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@if type-of(nth($breakpoint, 1)) == 'string' {
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$feature: nth($breakpoint, 1);
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// See which is larger.
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@if nth($breakpoint, 2) > nth($breakpoint, 3) {
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$min-value: nth($breakpoint, 3);
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$max-value: nth($breakpoint, 2);
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}
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@else {
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$min-value: nth($breakpoint, 2);
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$max-value: nth($breakpoint, 3);
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}
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}
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@else {
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$feature: nth($breakpoint, 3);
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// See which is larger.
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@if nth($breakpoint, 1) > nth($breakpoint, 2) {
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$min-value: nth($breakpoint, 2);
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$max-value: nth($breakpoint, 1);
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}
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@else {
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$min-value: nth($breakpoint, 1);
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$max-value: nth($breakpoint, 2);
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}
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}
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// If EM Breakpoints are active, do it!
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@if $breakpoint-to-ems and type-of($min-value) == 'number' {
|
|
$min-value: breakpoint-to-base-em($min-value, $base-font-size);
|
|
}
|
|
@if $breakpoint-to-ems and type-of($max-value) == 'number' {
|
|
$max-value: breakpoint-to-base-em($max-value, $base-font-size);
|
|
}
|
|
|
|
@if breakpoint-min-max($feature) == true {
|
|
@if $feature == 'device-pixel-ratio' {
|
|
$min-feature: breakpoint-experimental('min-#{$feature}', $prefix);
|
|
$max-feature: breakpoint-experimental('max-#{$feature}', $prefix);
|
|
}
|
|
@else {
|
|
$min-feature: 'min-#{$feature}';
|
|
$max-feature: 'max-#{$feature}';
|
|
}
|
|
|
|
// Min/Max for given
|
|
$query: breakpoint-generate($media-string, $min-feature, $min-value, $first);
|
|
$query: join($query, breakpoint-generate($media-string, $max-feature, $max-value));
|
|
// Set Context
|
|
$context: U2V0IHlvdXIgb3duIGRhbW4gY29udGV4dHMh($min-feature, $min-value);
|
|
$context: U2V0IHlvdXIgb3duIGRhbW4gY29udGV4dHMh($max-feature, $max-value);
|
|
}
|
|
@else {
|
|
@warn '#{$feature} cannot have a min/max value!';
|
|
}
|
|
}
|
|
|
|
@return $query;
|
|
}
|
|
|
|
@function breakpoint-generate($media, $feature, $value, $first: false) {
|
|
// Media Query string to be returned
|
|
$new-string: "";
|
|
|
|
// If it's the first item, it gets special treatment
|
|
@if $first == true {
|
|
// And Statement
|
|
$and: 'and ';
|
|
// If $media is blank (i.e. all), remove and statement
|
|
@if $media == '' {
|
|
$and: '';
|
|
}
|
|
|
|
@if $feature != false {
|
|
$new-string: #{$media}unquote("#{$and}(#{$feature}: #{$value})");
|
|
}
|
|
@else {
|
|
$new-string: #{$media}unquote("#{$and}(#{$value})");
|
|
}
|
|
}
|
|
|
|
@else {
|
|
@if $feature != false {
|
|
$new-string: unquote("and (#{$feature}: #{$value})");
|
|
}
|
|
@else {
|
|
$new-string: unquote("and (#{$value})");
|
|
}
|
|
}
|
|
|
|
@return $new-string;
|
|
} |