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jarv.is/assets/sass/abstracts/_functions.scss

63 lines
1.9 KiB
SCSS

@charset "UTF-8";
// Gradient hack to get our custom underline to wrap:
// https://www.dannyguo.com/blog/animated-multiline-link-underlines-with-css/
@function underline-hack($color) {
// [deprecated] Calculate lighter underline color compared to text
// color by mix()'ing with background (#fff) to give the impression
// of opacity but with MUCH better compatibility.
// $color-opaque-hex: mix($color, $link-opacity-color, $link-underline-opacity);
// Less compatible but better for light/dark mode switching.
$color-opaque-alpha: rgba($color, $link-underline-opacity / 100%);
// Return non-gradient linear-gradient():
@return linear-gradient($color-opaque-alpha, $color-opaque-alpha);
}
// Web fonts (see components/_fonts.scss)
@mixin font-face($family, $src, $weight: normal, $style: normal, $display: swap) {
@font-face {
font-family: $family;
font-style: $style;
font-weight: $weight;
font-display: $display;
src: url($base-url + $src + ".woff2") format("woff2"), url($base-url + $src + ".woff") format("woff");
// Allow additional rules to be passed in:
@content;
}
}
// Simple dark/light theme switching via <body> class and $themes map in abstracts/_themes.scss
// https://medium.com/@katiemctigue/how-to-create-a-dark-mode-in-sass-609f131a3995
@mixin themed() {
@each $theme, $map in $themes {
body.#{$theme} & {
$theme-map: () !global;
@each $key, $submap in $map {
$value: map-get(map-get($themes, $theme), "#{$key}");
$theme-map: map-merge(
$theme-map,
(
$key: $value,
)
) !global;
}
@content;
$theme-map: null !global;
}
}
}
// Just @include themed() and call t() when a rule depends on which theme is active, eg:
// a {
// text-decoration: none;
// @include themed() {
// color: t(links);
// }
// }
@function t($key) {
@return map-get($theme-map, $key);
}