Created
January 4, 2012 22:08
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This gist describes a new feature we're experimenting with for Sass 3.2: placeholder selectors. They do not get generated into your output, but they can be used like a class and extended like one.
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$gutter: 10px; | |
$grid-unit: 60px; | |
%clearfix { | |
*zoom: 1; | |
&:after { | |
content: "\0020"; | |
display: block; | |
height: 0; | |
clear: both; | |
overflow: hidden; | |
visibility: hidden; | |
} | |
} | |
%column { | |
@extend %clearfix; | |
float: left; | |
margin-right: $gutter; | |
&.last { | |
margin-right: 0; | |
} | |
} | |
@for $i from 1 through 9 { | |
.span-#{$i} { | |
@extend %column; | |
width: $grid-unit * $i + $gutter * ($i - 1); | |
} | |
} |
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.span-1, .span-2, .span-3, .span-4, .span-5, .span-6, .span-7, .span-8, .span-9 { *zoom: 1; } | |
.span-1:after, .span-2:after, .span-3:after, .span-4:after, .span-5:after, .span-6:after, .span-7:after, .span-8:after, .span-9:after { content: "\0020"; display: block; height: 0; clear: both; overflow: hidden; visibility: hidden; } | |
.span-1, .span-2, .span-3, .span-4, .span-5, .span-6, .span-7, .span-8, .span-9 { float: left; margin-right: 10px; } | |
.last.span-1, .last.span-2, .last.span-3, .last.span-4, .last.span-5, .last.span-6, .last.span-7, .last.span-8, .last.span-9 { margin-right: 0; } | |
.span-1 { width: 60px; } | |
.span-2 { width: 130px; } | |
.span-3 { width: 200px; } | |
.span-4 { width: 270px; } | |
.span-5 { width: 340px; } | |
.span-6 { width: 410px; } | |
.span-7 { width: 480px; } | |
.span-8 { width: 550px; } | |
.span-9 { width: 620px; } |
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@jlong, yes, that is what I mean. And it's one of the reasons we didn't end up merging that changeset. A named group of rules is a mixin. but at the point that it's in the document it needs to have a selector to be addressable by extend.