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Contents
module Sass
module Script
# An object tracking whether a warning has been emitted for a given script
# tree.
#
# This is shared among all objects in a script tree. Whenever any of those
# objects encounters a situation in which it wouldn't produce semantically
# identical CSS to its input, it calls \{#warn!\}. The first time \{#warn!}
# is called for a given warning object, it prints a deprecation warning.
class CssVariableWarning
def initialize
@warned = false
@value = nil
end
# Sets the root of the script tree that this warning refers to.
#
# @param value [Sass::Script::Tree::Node]
def value=(value)
warn_called = @warned && !@value
@value = value
print_warning if warn_called
end
# The first time this is called, it prints a deprecation warning.
#
# This may be called before \{#value=}. If it is, the warning is emitted
# once the script tree is set.
def warn!
return if @warned
@warned = true
return unless @value
print_warning
end
private
# Prints this node's warning.
def print_warning
of_filename = " of #{@value.filename}" if @value.filename
Sass::Util.sass_warn(
"DEPRECATION WARNING on line #{@value.line}#{of_filename}:\n" +
"Sass 3.6 will change the way CSS variables are parsed. Instead of being parsed as\n" +
"normal properties, they will not allow any Sass-specific behavior other than \#{}.\n" +
"For forwards-compatibility, use \#{}:\n" +
"\n" +
" --variable: \#{#{@value.to_sass}};")
end
end
end
end
Version data entries
32 entries across 31 versions & 4 rubygems