codekingpro/portable-devtools

1// Breakpoint viewport sizes and media queries.2//3// Breakpoints are defined as a map of (name: minimum width), order from small to large:4//5//    (xs: 0, sm: 576px, md: 768px, lg: 992px, xl: 1200px)6//7// The map defined in the `$grid-breakpoints` global variable is used as the `$breakpoints` argument by default.8 9// Name of the next breakpoint, or null for the last breakpoint.10//11//    >> breakpoint-next(sm)12//    md13//    >> breakpoint-next(sm, (xs: 0, sm: 576px, md: 768px, lg: 992px, xl: 1200px))14//    md15//    >> breakpoint-next(sm, $breakpoint-names: (xs sm md lg xl))16//    md17@function breakpoint-next($name, $breakpoints: $grid-breakpoints, $breakpoint-names: map-keys($breakpoints)) {18  $n: index($breakpoint-names, $name);19  @return if($n != null and $n < length($breakpoint-names), nth($breakpoint-names, $n + 1), null);20}21 22// Minimum breakpoint width. Null for the smallest (first) breakpoint.23//24//    >> breakpoint-min(sm, (xs: 0, sm: 576px, md: 768px, lg: 992px, xl: 1200px))25//    576px26@function breakpoint-min($name, $breakpoints: $grid-breakpoints) {27  $min: map-get($breakpoints, $name);28  @return if($min != 0, $min, null);29}30 31// Maximum breakpoint width. Null for the largest (last) breakpoint.32// The maximum value is calculated as the minimum of the next one less 0.02px33// to work around the limitations of `min-` and `max-` prefixes and viewports with fractional widths.34// See https://www.w3.org/TR/mediaqueries-4/#mq-min-max35// Uses 0.02px rather than 0.01px to work around a current rounding bug in Safari.36// See https://bugs.webkit.org/show_bug.cgi?id=17826137//38//    >> breakpoint-max(sm, (xs: 0, sm: 576px, md: 768px, lg: 992px, xl: 1200px))39//    767.98px40@function breakpoint-max($name, $breakpoints: $grid-breakpoints) {41  $next: breakpoint-next($name, $breakpoints);42  @return if($next, breakpoint-min($next, $breakpoints) - .02, null);43}44 45// Returns a blank string if smallest breakpoint, otherwise returns the name with a dash in front.46// Useful for making responsive utilities.47//48//    >> breakpoint-infix(xs, (xs: 0, sm: 576px, md: 768px, lg: 992px, xl: 1200px))49//    ""  (Returns a blank string)50//    >> breakpoint-infix(sm, (xs: 0, sm: 576px, md: 768px, lg: 992px, xl: 1200px))51//    "-sm"52@function breakpoint-infix($name, $breakpoints: $grid-breakpoints) {53  @return if(breakpoint-min($name, $breakpoints) == null, "", "-#{$name}");54}55 56// Media of at least the minimum breakpoint width. No query for the smallest breakpoint.57// Makes the @content apply to the given breakpoint and wider.58@mixin media-breakpoint-up($name, $breakpoints: $grid-breakpoints) {59  $min: breakpoint-min($name, $breakpoints);60  @if $min {61    @media (min-width: $min) {62      @content;63    }64  } @else {65    @content;66  }67}68 69// Media of at most the maximum breakpoint width. No query for the largest breakpoint.70// Makes the @content apply to the given breakpoint and narrower.71@mixin media-breakpoint-down($name, $breakpoints: $grid-breakpoints) {72  $max: breakpoint-max($name, $breakpoints);73  @if $max {74    @media (max-width: $max) {75      @content;76    }77  } @else {78    @content;79  }80}81 82// Media that spans multiple breakpoint widths.83// Makes the @content apply between the min and max breakpoints84@mixin media-breakpoint-between($lower, $upper, $breakpoints: $grid-breakpoints) {85  $min: breakpoint-min($lower, $breakpoints);86  $max: breakpoint-max($upper, $breakpoints);87 88  @if $min != null and $max != null {89    @media (min-width: $min) and (max-width: $max) {90      @content;91    }92  } @else if $max == null {93    @include media-breakpoint-up($lower, $breakpoints) {94      @content;95    }96  } @else if $min == null {97    @include media-breakpoint-down($upper, $breakpoints) {98      @content;99    }100  }101}102 103// Media between the breakpoint's minimum and maximum widths.104// No minimum for the smallest breakpoint, and no maximum for the largest one.105// Makes the @content apply only to the given breakpoint, not viewports any wider or narrower.106@mixin media-breakpoint-only($name, $breakpoints: $grid-breakpoints) {107  $min: breakpoint-min($name, $breakpoints);108  $max: breakpoint-max($name, $breakpoints);109 110  @if $min != null and $max != null {111    @media (min-width: $min) and (max-width: $max) {112      @content;113    }114  } @else if $max == null {115    @include media-breakpoint-up($name, $breakpoints) {116      @content;117    }118  } @else if $min == null {119    @include media-breakpoint-down($name, $breakpoints) {120      @content;121    }122  }123}124