/
mixins.scss
241 lines (206 loc) · 5.83 KB
/
mixins.scss
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// --------------------------------------------------
// Mixins used throughout the theme
// --------------------------------------------------
// Media queries
// --------------------------------------------------
$breakpoints: (
mobile-small: 320px,
mobile-medium: 350px,
mobile-large: 450px,
mobile-extra-large: 550px,
tablet: 768px,
medium: 850px,
large: 1000px,
extra-large: 1140px,
);
@mixin breakpoint($bp, $rule: max-width, $type: screen, $sidebar: false) {
@media #{$type} and (#{$rule}: map-get($breakpoints, $bp)) {
@content;
}
// if you want to consider the sidebar in your breakpoint
// you can pass in $sidebar: true
// note that your breakpoint will need to be at the root level
@if $sidebar {
// when the sidebar is shown, we want to increase the breakpoints by the width of the sidebar
@media #{$type} and (#{$rule}: calc(#{map-get($breakpoints, $bp)} + #{$d-sidebar-width})) {
.has-sidebar-page {
@content;
}
}
}
}
// CSS3 properties
// --------------------------------------------------
// Clearfix
@mixin clearfix() {
&:before,
&:after {
content: "";
display: table;
}
&:after {
clear: both;
}
}
//noinspection CssOptimizeSimilarProperties
@mixin linear-gradient($start-color, $end-color) {
background-color: $start-color;
background-image: linear-gradient(to bottom, $start-color, $end-color);
}
// Visibility
// --------------------------------------------------
// Only shows hover on non-touch devices
@mixin hover {
.discourse-no-touch & {
&:hover,
&.btn-hover {
@content;
}
}
}
@mixin ellipsis {
overflow: hidden;
white-space: nowrap;
text-overflow: ellipsis;
}
@mixin line-clamp($lines) {
display: -webkit-box;
overflow: hidden;
text-overflow: ellipsis;
word-wrap: break-word;
-webkit-line-clamp: $lines;
-webkit-box-orient: vertical;
}
//
// --------------------------------------------------
$vpad: 0.5em;
$hpad: 0.65em;
// for consistent sizing across inputs, buttons and dropdowns
@mixin form-item-sizing {
border: 1px solid transparent;
font-size: var(--font-0);
line-height: normal;
box-sizing: border-box;
padding: $vpad $hpad;
.ios-device & {
font-size: var(--font-size-ios-input);
padding-top: $vpad * 0.8;
padding-bottom: $vpad * 0.8;
}
}
@mixin sticky {
position: -webkit-sticky;
position: sticky;
}
// Unselectable (avoids unwanted selections with iPad, touch laptops, etc)
@mixin user-select($mode) {
-webkit-user-select: $mode;
-moz-user-select: $mode;
-ms-user-select: $mode;
user-select: $mode;
}
@mixin unselectable {
@include user-select(none);
}
// Stuff we repeat
@mixin post-aside {
border-left: 5px solid var(--primary-low);
background-color: var(--blend-primary-secondary-5);
}
// We still need -webkit for latest iPhone and Safari
@mixin transform($transforms) {
-webkit-transform: $transforms;
transform: $transforms;
}
@mixin appearance-none() {
// resets default browser styles
-webkit-appearance: none;
-moz-appearance: none;
appearance: none;
}
@mixin default-focus() {
border-color: var(--tertiary);
outline: 1px solid var(--tertiary);
outline-offset: 0;
}
@mixin fa-rotate($degrees, $rotation) {
-ms-filter: "progid:DXImageTransform.Microsoft.BasicImage(rotation=#{$rotation})";
-webkit-transform: rotate($degrees);
-ms-transform: rotate($degrees);
transform: rotate($degrees);
}
/// Helper function to easily use an SVG inline in CSS
/// without encoding it to base64, saving bytes.
/// It also helps with browser support, especially for IE11.
///
/// @author Jakob Eriksen
/// @link http://codepen.io/jakob-e/pen/doMoML
/// @param {String} $svg - SVG image to encode
/// @return {String} - Encoded SVG data uri
@function svg-uri($svg) {
$encoded: "";
$slice: 2000;
$index: 0;
$loops: ceil(str-length($svg) / $slice);
@for $i from 1 through $loops {
$chunk: str-slice($svg, $index, $index + $slice - 1);
$chunk: str-replace($chunk, '"', "'");
$chunk: str-replace($chunk, "<", "%3C");
$chunk: str-replace($chunk, ">", "%3E");
$chunk: str-replace($chunk, "&", "%26");
$chunk: str-replace($chunk, "#", "%23");
$encoded: #{$encoded}#{$chunk};
$index: $index + $slice;
}
@return url("data:image/svg+xml;charset=utf8,#{$encoded}");
}
/// Replace `$search` with `$replace` in `$string`
/// @author Hugo Giraudel
/// @link http://sassmeister.com/gist/1b4f2da5527830088e4d
/// @param {String} $string - Initial string
/// @param {String} $search - Substring to replace
/// @param {String} $replace ('') - New value
/// @return {String} - Updated string
@function str-replace($string, $search, $replace: "") {
$index: str-index($string, $search);
@if $index {
@return str-slice($string, 1, $index - 1) + $replace +
str-replace(
str-slice($string, $index + str-length($search)),
$search,
$replace
);
}
@return $string;
}
// SCSS accepts HEX or RGB colors for rgba($color, 0.5)
// CSS custom properties only accept RGB
// Example usage:
// --primary-rgb: #{hexToRGB($primary)};
// ...
// rgba(var(--primary-low-rgb), 0.5)
@function hexToRGB($hex) {
@return red($hex), green($hex), blue($hex);
}
@function schemeType() {
@if is-light-color-scheme() {
@return "light";
} @else {
@return "dark";
}
}
@function absolute-image-url($path) {
// public_image_path is added by the stylesheet importer
// it returns a CDN or subfolder path (if applicable).
// SCSS will compile (and return the relative path) if public_image_path is missing.
@if variable-exists(public_image_path) {
@if (str-index("#{$path}", "/plugins") == 1) {
$plugin_asset_path: str-replace($public_image_path, "/images", "");
@return url("#{$plugin_asset_path}#{$path}");
} @else {
@return url("#{$public_image_path}#{$path}");
}
} @else {
@return url("#{$path}");
}
}