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Contents
# frozen_string_literal: true
module RuboCop
module Cop
module Layout
# Checks for whitespace within string interpolations.
#
# @example EnforcedStyle: no_space (default)
# # bad
# var = "This is the #{ space } example"
#
# # good
# var = "This is the #{no_space} example"
#
# @example EnforcedStyle: space
# # bad
# var = "This is the #{no_space} example"
#
# # good
# var = "This is the #{ space } example"
class SpaceInsideStringInterpolation < Base
include Interpolation
include SurroundingSpace
include ConfigurableEnforcedStyle
include RangeHelp
extend AutoCorrector
NO_SPACE_MSG = 'Space inside string interpolation detected.'
SPACE_MSG = 'Missing space inside string interpolation detected.'
def on_interpolation(begin_node)
return if begin_node.multiline?
tokens = processed_source.tokens_within(begin_node)
left, right = delimiters(begin_node)
return if empty_brackets?(left, right, tokens: tokens)
if style == :no_space
no_space_offenses(begin_node, left, right, NO_SPACE_MSG)
else
space_offenses(begin_node, left, right, SPACE_MSG)
end
end
private
def autocorrect(corrector, begin_node)
delims = delimiters(begin_node)
if style == :no_space
SpaceCorrector.remove_space(processed_source, corrector, *delims)
else
SpaceCorrector.add_space(processed_source, corrector, *delims)
end
end
def delimiters(begin_node)
left = processed_source.first_token_of(begin_node)
right = processed_source.last_token_of(begin_node)
[left, right]
end
end
end
end
end
Version data entries
145 entries across 144 versions & 14 rubygems