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Contents
module Compass::SassExtensions::Functions::Selectors
COMMA_SEPARATOR = /\s*,\s*/
# Permute multiple selectors each of which may be comma delimited, the end result is
# a new selector that is the equivalent of nesting each under the previous selector.
# To illustrate, the following mixins are equivalent:
# =mixin-a(!selector1, !selector2, !selector3)
# #{!selector1}
# #{selector2}
# #{selector3}
# width: 2px
# =mixin-b(!selector1, !selector2)
# #{nest(!selector, !selector2, !selector3)}
# width: 2px
def nest(*arguments)
nested = arguments.map{|a| a.value}.inject do |memo,arg|
ancestors = memo.split(COMMA_SEPARATOR)
descendants = arg.split(COMMA_SEPARATOR)
ancestors.map{|a| descendants.map{|d| "#{a} #{d}"}.join(", ")}.join(", ")
end
Sass::Script::String.new(nested)
end
# Permute two selectors, the first may be comma delimited.
# The end result is a new selector that is the equivalent of nesting the second
# selector under the first one in a sass file and preceding it with an &.
# To illustrate, the following mixins are equivalent:
# =mixin-a(!selector, !to_append)
# #{!selector}
# &#{!to_append}
# width: 2px
# =mixin-b(!selector, !to_append)
# #{append_selector(!selector, !to_append)}
# width: 2px
def append_selector(selector, to_append)
ancestors = selector.value.split(COMMA_SEPARATOR)
descendants = to_append.value.split(COMMA_SEPARATOR)
nested = ancestors.map{|a| descendants.map{|d| "#{a}#{d}"}.join(", ")}.join(", ")
Sass::Script::String.new(nested)
end
end
Version data entries
24 entries across 23 versions & 3 rubygems