@charset "UTF-8"; // _ _ _ _ _ // (_) | | | | | (_) // _ _ __ ___| |_ _ __| | ___ _ __ ___ ___ __| |_ __ _ // | | '_ \ / __| | | | |/ _` |/ _ \ | '_ ` _ \ / _ \/ _` | |/ _` | // | | | | | (__| | |_| | (_| | __/ | | | | | | __/ (_| | | (_| | // |_|_| |_|\___|_|\__,_|\__,_|\___| |_| |_| |_|\___|\__,_|_|\__,_| // // Simple, elegant and maintainable media queries in Sass // v1.4.9 // // http://include-media.com // // Authors: Eduardo Boucas (@eduardoboucas) // Hugo Giraudel (@hugogiraudel) // // This project is licensed under the terms of the MIT license //// /// include-media library public configuration /// @author Eduardo Boucas /// @access public //// /// /// Creates a list of global breakpoints /// /// @example scss - Creates a single breakpoint with the label `phone` /// $breakpoints: ('phone': 320px); /// $breakpoints: ( 'phone': 320px, 'tablet': 768px, 'desktop': 1024px ) !default; /// /// Creates a list of static expressions or media types /// /// @example scss - Creates a single media type (screen) /// $media-expressions: ('screen': 'screen'); /// /// @example scss - Creates a static expression with logical disjunction (OR operator) /// $media-expressions: ( /// 'retina2x': '(-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi)' /// ); /// $media-expressions: ( 'screen': 'screen', 'print': 'print', 'handheld': 'handheld', 'landscape': '(orientation: landscape)', 'portrait': '(orientation: portrait)', 'retina2x': '(-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi), (min-resolution: 2dppx)', 'retina3x': '(-webkit-min-device-pixel-ratio: 3), (min-resolution: 350dpi), (min-resolution: 3dppx)' ) !default; /// /// Defines a number to be added or subtracted from each unit when declaring breakpoints with exclusive intervals /// /// @example scss - Interval for pixels is defined as `1` by default /// @include media('>128px') {} /// /// /* Generates: */ /// @media (min-width: 129px) {} /// /// @example scss - Interval for ems is defined as `0.01` by default /// @include media('>20em') {} /// /// /* Generates: */ /// @media (min-width: 20.01em) {} /// /// @example scss - Interval for rems is defined as `0.1` by default, to be used with `font-size: 62.5%;` /// @include media('>2.0rem') {} /// /// /* Generates: */ /// @media (min-width: 2.1rem) {} /// $unit-intervals: ( 'px': 1, 'em': 0.01, 'rem': 0.1, '': 0 ) !default; /// /// Defines whether support for media queries is available, useful for creating separate stylesheets /// for browsers that don't support media queries. /// /// @example scss - Disables support for media queries /// $im-media-support: false; /// @include media('>=tablet') { /// .foo { /// color: tomato; /// } /// } /// /// /* Generates: */ /// .foo { /// color: tomato; /// } /// $im-media-support: true !default; /// /// Selects which breakpoint to emulate when support for media queries is disabled. Media queries that start at or /// intercept the breakpoint will be displayed, any others will be ignored. /// /// @example scss - This media query will show because it intercepts the static breakpoint /// $im-media-support: false; /// $im-no-media-breakpoint: 'desktop'; /// @include media('>=tablet') { /// .foo { /// color: tomato; /// } /// } /// /// /* Generates: */ /// .foo { /// color: tomato; /// } /// /// @example scss - This media query will NOT show because it does not intercept the desktop breakpoint /// $im-media-support: false; /// $im-no-media-breakpoint: 'tablet'; /// @include media('>=desktop') { /// .foo { /// color: tomato; /// } /// } /// /// /* No output */ /// $im-no-media-breakpoint: 'desktop' !default; /// /// Selects which media expressions are allowed in an expression for it to be used when media queries /// are not supported. /// /// @example scss - This media query will show because it intercepts the static breakpoint and contains only accepted media expressions /// $im-media-support: false; /// $im-no-media-breakpoint: 'desktop'; /// $im-no-media-expressions: ('screen'); /// @include media('>=tablet', 'screen') { /// .foo { /// color: tomato; /// } /// } /// /// /* Generates: */ /// .foo { /// color: tomato; /// } /// /// @example scss - This media query will NOT show because it intercepts the static breakpoint but contains a media expression that is not accepted /// $im-media-support: false; /// $im-no-media-breakpoint: 'desktop'; /// $im-no-media-expressions: ('screen'); /// @include media('>=tablet', 'retina2x') { /// .foo { /// color: tomato; /// } /// } /// /// /* No output */ /// $im-no-media-expressions: ('screen', 'portrait', 'landscape') !default; //// /// Cross-engine logging engine /// @author Hugo Giraudel /// @access private //// /// /// Log a message either with `@error` if supported /// else with `@warn`, using `feature-exists('at-error')` /// to detect support. /// /// @param {String} $message - Message to log /// @function im-log($message) { @if feature-exists('at-error') { @error $message; } @else { @warn $message; $_: noop(); } @return $message; } /// /// Wrapper mixin for the log function so it can be used with a more friendly /// API than `@if im-log('..') {}` or `$_: im-log('..')`. Basically, use the function /// within functions because it is not possible to include a mixin in a function /// and use the mixin everywhere else because it's much more elegant. /// /// @param {String} $message - Message to log /// @mixin log($message) { @if im-log($message) {} } /// /// Function with no `@return` called next to `@warn` in Sass 3.3 /// to trigger a compiling error and stop the process. /// @function noop() {} /// /// Determines whether a list of conditions is intercepted by the static breakpoint. /// /// @param {Arglist} $conditions - Media query conditions /// /// @return {Boolean} - Returns true if the conditions are intercepted by the static breakpoint /// @function im-intercepts-static-breakpoint($conditions...) { $no-media-breakpoint-value: map-get($breakpoints, $im-no-media-breakpoint); @if not $no-media-breakpoint-value { @if im-log('`#{$im-no-media-breakpoint}` is not a valid breakpoint.') {} } @each $condition in $conditions { @if not map-has-key($media-expressions, $condition) { $operator: get-expression-operator($condition); $prefix: get-expression-prefix($operator); $value: get-expression-value($condition, $operator); @if ($prefix == 'max' and $value <= $no-media-breakpoint-value) or ($prefix == 'min' and $value > $no-media-breakpoint-value) { @return false; } } @else if not index($im-no-media-expressions, $condition) { @return false; } } @return true; } //// /// Parsing engine /// @author Hugo Giraudel /// @access private //// /// /// Get operator of an expression /// /// @param {String} $expression - Expression to extract operator from /// /// @return {String} - Any of `>=`, `>`, `<=`, `<`, `≥`, `≤` /// @function get-expression-operator($expression) { @each $operator in ('>=', '>', '<=', '<', '≥', '≤') { @if str-index($expression, $operator) { @return $operator; } } // It is not possible to include a mixin inside a function, so we have to // rely on the `im-log(..)` function rather than the `log(..)` mixin. Because // functions cannot be called anywhere in Sass, we need to hack the call in // a dummy variable, such as `$_`. If anybody ever raise a scoping issue with // Sass 3.3, change this line in `@if im-log(..) {}` instead. $_: im-log('No operator found in `#{$expression}`.'); } /// /// Get dimension of an expression, based on a found operator /// /// @param {String} $expression - Expression to extract dimension from /// @param {String} $operator - Operator from `$expression` /// /// @return {String} - `width` or `height` (or potentially anything else) /// @function get-expression-dimension($expression, $operator) { $operator-index: str-index($expression, $operator); $parsed-dimension: str-slice($expression, 0, $operator-index - 1); $dimension: 'width'; @if str-length($parsed-dimension) > 0 { $dimension: $parsed-dimension; } @return $dimension; } /// /// Get dimension prefix based on an operator /// /// @param {String} $operator - Operator /// /// @return {String} - `min` or `max` /// @function get-expression-prefix($operator) { @return if(index(('<', '<=', '≤'), $operator), 'max', 'min'); } /// /// Get value of an expression, based on a found operator /// /// @param {String} $expression - Expression to extract value from /// @param {String} $operator - Operator from `$expression` /// /// @return {Number} - A numeric value /// @function get-expression-value($expression, $operator) { $operator-index: str-index($expression, $operator); $value: str-slice($expression, $operator-index + str-length($operator)); @if map-has-key($breakpoints, $value) { $value: map-get($breakpoints, $value); } @else { $value: to-number($value); } $interval: map-get($unit-intervals, unit($value)); @if not $interval { // It is not possible to include a mixin inside a function, so we have to // rely on the `im-log(..)` function rather than the `log(..)` mixin. Because // functions cannot be called anywhere in Sass, we need to hack the call in // a dummy variable, such as `$_`. If anybody ever raise a scoping issue with // Sass 3.3, change this line in `@if im-log(..) {}` instead. $_: im-log('Unknown unit `#{unit($value)}`.'); } @if $operator == '>' { $value: $value + $interval; } @else if $operator == '<' { $value: $value - $interval; } @return $value; } /// /// Parse an expression to return a valid media-query expression /// /// @param {String} $expression - Expression to parse /// /// @return {String} - Valid media query /// @function parse-expression($expression) { // If it is part of $media-expressions, it has no operator // then there is no need to go any further, just return the value @if map-has-key($media-expressions, $expression) { @return map-get($media-expressions, $expression); } $operator: get-expression-operator($expression); $dimension: get-expression-dimension($expression, $operator); $prefix: get-expression-prefix($operator); $value: get-expression-value($expression, $operator); @return '(#{$prefix}-#{$dimension}: #{$value})'; } /// /// Slice `$list` between `$start` and `$end` indexes /// /// @access private /// /// @param {List} $list - List to slice /// @param {Number} $start [1] - Start index /// @param {Number} $end [length($list)] - End index /// /// @return {List} Sliced list /// @function slice($list, $start: 1, $end: length($list)) { @if length($list) < 1 or $start > $end { @return (); } $result: (); @for $i from $start through $end { $result: append($result, nth($list, $i)); } @return $result; } //// /// String to number converter /// @author Hugo Giraudel /// @access private //// /// /// Casts a string into a number /// /// @param {String | Number} $value - Value to be parsed /// /// @return {Number} /// @function to-number($value) { @if type-of($value) == 'number' { @return $value; } @else if type-of($value) != 'string' { $_: im-log('Value for `to-number` should be a number or a string.'); } $first-character: str-slice($value, 1, 1); $result: 0; $digits: 0; $minus: ($first-character == '-'); $numbers: ('0': 0, '1': 1, '2': 2, '3': 3, '4': 4, '5': 5, '6': 6, '7': 7, '8': 8, '9': 9); // Remove +/- sign if present at first character @if ($first-character == '+' or $first-character == '-') { $value: str-slice($value, 2); } @for $i from 1 through str-length($value) { $character: str-slice($value, $i, $i); @if not (index(map-keys($numbers), $character) or $character == '.') { @return to-length(if($minus, -$result, $result), str-slice($value, $i)) } @if $character == '.' { $digits: 1; } @else if $digits == 0 { $result: $result * 10 + map-get($numbers, $character); } @else { $digits: $digits * 10; $result: $result + map-get($numbers, $character) / $digits; } } @return if($minus, -$result, $result); } /// /// Add `$unit` to `$value` /// /// @param {Number} $value - Value to add unit to /// @param {String} $unit - String representation of the unit /// /// @return {Number} - `$value` expressed in `$unit` /// @function to-length($value, $unit) { $units: ('px': 1px, 'cm': 1cm, 'mm': 1mm, '%': 1%, 'ch': 1ch, 'pc': 1pc, 'in': 1in, 'em': 1em, 'rem': 1rem, 'pt': 1pt, 'ex': 1ex, 'vw': 1vw, 'vh': 1vh, 'vmin': 1vmin, 'vmax': 1vmax); @if not index(map-keys($units), $unit) { $_: im-log('Invalid unit `#{$unit}`.'); } @return $value * map-get($units, $unit); } /// /// This mixin aims at redefining the configuration just for the scope of /// the call. It is helpful when having a component needing an extended /// configuration such as custom breakpoints (referred to as tweakpoints) /// for instance. /// /// @author Hugo Giraudel /// /// @param {Map} $tweakpoints [()] - Map of tweakpoints to be merged with `$breakpoints` /// @param {Map} $tweak-media-expressions [()] - Map of tweaked media expressions to be merged with `$media-expression` /// /// @example scss - Extend the global breakpoints with a tweakpoint /// @include media-context(('custom': 678px)) { /// .foo { /// @include media('>phone', '<=custom') { /// // ... /// } /// } /// } /// /// @example scss - Extend the global media expressions with a custom one /// @include media-context($tweak-media-expressions: ('all': 'all')) { /// .foo { /// @include media('all', '>phone') { /// // ... /// } /// } /// } /// /// @example scss - Extend both configuration maps /// @include media-context(('custom': 678px), ('all': 'all')) { /// .foo { /// @include media('all', '>phone', '<=custom') { /// // ... /// } /// } /// } /// @mixin media-context($tweakpoints: (), $tweak-media-expressions: ()) { // Save global configuration $global-breakpoints: $breakpoints; $global-media-expressions: $media-expressions; // Update global configuration $breakpoints: map-merge($breakpoints, $tweakpoints) !global; $media-expressions: map-merge($media-expressions, $tweak-media-expressions) !global; @content; // Restore global configuration $breakpoints: $global-breakpoints !global; $media-expressions: $global-media-expressions !global; } //// /// include-media public exposed API /// @author Eduardo Boucas /// @access public //// /// /// Generates a media query based on a list of conditions /// /// @param {Arglist} $conditions - Media query conditions /// /// @example scss - With a single set breakpoint /// @include media('>phone') { } /// /// @example scss - With two set breakpoints /// @include media('>phone', '<=tablet') { } /// /// @example scss - With custom values /// @include media('>=358px', '<850px') { } /// /// @example scss - With set breakpoints with custom values /// @include media('>desktop', '<=1350px') { } /// /// @example scss - With a static expression /// @include media('retina2x') { } /// /// @example scss - Mixing everything /// @include media('>=350px', '<tablet', 'retina3x') { } /// @mixin media($conditions...) { @if ($im-media-support and length($conditions) == 0) or (not $im-media-support and im-intercepts-static-breakpoint($conditions...)) { @content; } @else if ($im-media-support and length($conditions) > 0) { @media #{unquote(parse-expression(nth($conditions, 1)))} { // Recursive call @include media(slice($conditions, 2)...) { @content; } } } }