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Contents
# frozen_string_literal: true
module Synvert::Core
# RemoveAction to remove current node.
class Rewriter::RemoveAction < Rewriter::Action
# Initialize a RemoveAction.
#
# @param instance [Synvert::Core::Rewriter::RemoveAction]
def initialize(instance)
super(instance, nil)
end
# The rewritten code, always empty string.
def rewritten_code
''
end
private
# Calculate the begin the end positions.
def calculate_position
if take_whole_line?
@begin_pos = start_index
@end_pos = end_index
squeeze_lines
else
@begin_pos = @node.loc.expression.begin_pos
@end_pos = @node.loc.expression.end_pos
squeeze_spaces
remove_comma
end
end
# Check if the source code of current node takes the whole line.
#
# @return [Boolean]
def take_whole_line?
@node.to_source == file_source[start_index...end_index].strip
end
# Get the start position of the line
def start_index
index = file_source[0..@node.loc.expression.begin_pos].rindex("\n")
index ? index + "\n".length : @node.loc.expression.begin_pos
end
# Get the end position of the line
def end_index
index = file_source[@node.loc.expression.end_pos..-1].index("\n")
index ? @node.loc.expression.end_pos + index + "\n".length : @node.loc.expression.end_pos
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems