feiniao-youwei-uniapp/uni_modules/lime-style/mixins/useTheme.scss

$limeThemes: light, dark;
$theme: light;

@mixin use-theme($mode: null) {
	@if $mode != null {
		/* #ifndef APP-ANDROID || APP-IOS || APP-NVUE || APP-HARMONY */
		@media (prefers-color-scheme: $mode) {
			@content;
		}
		/* #endif */
		/* #ifdef APP-ANDROID || APP-IOS || APP-NVUE || APP-HARMONY */
		&.#{$mode} {
			@content;
		}
		/* #endif */
	} @else {
		@each $mode in $limeThemes {
			$theme: $mode !global;
			/* #ifndef APP-ANDROID || APP-IOS || APP-NVUE || APP-HARMONY */
			@media (prefers-color-scheme: $mode) {
				@content;
			}
			/* #endif */
			
			/* #ifdef APP-ANDROID || APP-IOS || APP-NVUE || APP-HARMONY */
			&.#{$mode} {
				@content;
			}
			/* #endif */
		}
	}
	
}

@mixin theme-dark {
	/* #ifndef APP-ANDROID || APP-IOS || APP-NVUE || APP-HARMONY */
	@media (prefers-color-scheme: dark) {
		page {
			@content;
		}
	}
	/* #endif */
	/* #ifdef APP-ANDROID || APP-IOS || APP-NVUE || APP-HARMONY */
	.dark {
		@content;
	}
	/* #endif */
	/* #ifdef WEB */
	:root[data-lime-theme='dark'] page {
		@content;
	}
	/* #endif */
}


@function get-var($themes, $key) {
	@return map-get($themes, $key)
}