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Contents
module SCSSLint
# Checks spacing of ! declarations, like !important and !default
class Linter::BangFormat < Linter
include LinterRegistry
STOPPING_CHARACTERS = ['!', "'", '"', nil]
def visit_prop(node)
return unless source_from_range(node.source_range).include?('!')
return unless check_spacing(node)
before_qualifier = config['space_before_bang'] ? '' : 'not '
after_qualifier = config['space_after_bang'] ? '' : 'not '
add_lint(node, "! should #{before_qualifier}be preceeded by a space, " \
"and should #{after_qualifier}be followed by a space")
end
private
# Start from the back and move towards the front so that any !important or
# !default !'s will be found *before* quotation marks. Then we can
# stop at quotation marks to protect against linting !'s within strings
# (e.g. `content`)
def find_bang_offset(range)
offset = 0
offset -= 1 until STOPPING_CHARACTERS.include?(character_at(range.end_pos, offset))
offset
end
def is_before_wrong?(range, offset)
before_expected = config['space_before_bang'] ? / / : /[^ ]/
before_actual = character_at(range.end_pos, offset - 1)
(before_actual =~ before_expected).nil?
end
def is_after_wrong?(range, offset)
after_expected = config['space_after_bang'] ? / / : /[^ ]/
after_actual = character_at(range.end_pos, offset + 1)
(after_actual =~ after_expected).nil?
end
def check_spacing(node)
range = node.value_source_range
offset = find_bang_offset(range)
return if character_at(range.end_pos, offset) != '!'
is_before_wrong?(range, offset) || is_after_wrong?(range, offset)
end
end
end
Version data entries
13 entries across 13 versions & 3 rubygems