Class: RuboCop::Cop::Style::RedundantBegin
- Includes:
- OnMethodDef
- Defined in:
- lib/rubocop/cop/style/redundant_begin.rb
Overview
This cop checks for redundant begin
blocks.
Currently it checks for code like this:
Constant Summary collapse
- MSG =
'Redundant `begin` block detected.'
Constants included from Util
Util::ASGN_NODES, Util::EQUALS_ASGN_NODES, Util::OPERATOR_METHODS, Util::PROC_NEW_NODE, Util::SHORTHAND_ASGN_NODES
Instance Attribute Summary
Attributes inherited from Cop
#config, #corrections, #offenses, #processed_source
Instance Method Summary collapse
Methods included from OnMethodDef
Methods inherited from Cop
#add_offense, all, #config_to_allow_offenses, #config_to_allow_offenses=, #cop_config, #cop_name, cop_name, cop_type, #correct, #debug?, #display_cop_names?, #display_style_guide?, inherited, #initialize, #join_force?, lint?, match?, #message, non_rails, qualified_cop_name, rails?, #relevant_file?, #style_guide_url
Methods included from AutocorrectLogic
#autocorrect?, #autocorrect_enabled?, #autocorrect_requested?, #support_autocorrect?
Methods included from IgnoredNode
#ignore_node, #ignored_node?, #part_of_ignored_node?
Methods included from Util
begins_its_line?, block_length, command?, comment_line?, const_name, directions, first_part_of_call_chain, lambda?, lambda_or_proc?, line_range, move_pos, numeric_range_size, on_node, operator?, parentheses?, proc?, range_with_surrounding_comma, range_with_surrounding_space, source_range, strip_quotes, within_node?
Methods included from PathUtil
hidden?, issue_deprecation_warning, match_path?, relative_path
Constructor Details
This class inherits a constructor from RuboCop::Cop::Cop
Instance Method Details
#autocorrect(node) ⇒ Object
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# File 'lib/rubocop/cop/style/redundant_begin.rb', line 38 def autocorrect(node) lambda do |corrector| child = node.children.first begin_indent = node.loc.column child_indent = child.loc.column indent_diff = child_indent - begin_indent corrector.replace( range_with_surrounding_space(node.loc.expression), range_with_surrounding_space( child.loc.expression ).source.gsub(/^[ \t]{#{indent_diff}}/, '') ) end end |
#on_method_def(_node, _method_name, _args, body) ⇒ Object
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# File 'lib/rubocop/cop/style/redundant_begin.rb', line 32 def on_method_def(_node, _method_name, _args, body) return unless body && body.type == :kwbegin add_offense(body, :begin) end |