Class: ERBLint::Linters::ClosingErbTagIndent
- Inherits:
-
ERBLint::Linter
- Object
- ERBLint::Linter
- ERBLint::Linters::ClosingErbTagIndent
- Includes:
- ERBLint::LinterRegistry
- Defined in:
- lib/erb_lint/linters/closing_erb_tag_indent.rb
Overview
When ‘<%` isn’t followed by a newline, ensure ‘%>` isn’t preceeded by a newline. When ‘%>` is preceeded by a newline, indent it at the same level as the corresponding `<%`.
Constant Summary collapse
- START_SPACES =
/\A([[:space:]]*)/m
- END_SPACES =
/([[:space:]]*)\z/m
Constants included from ERBLint::LinterRegistry
ERBLint::LinterRegistry::CUSTOM_LINTERS_DIR
Instance Attribute Summary
Attributes inherited from ERBLint::Linter
Instance Method Summary collapse
Methods included from ERBLint::LinterRegistry
find_by_name, included, load_custom_linters
Methods inherited from ERBLint::Linter
#add_offense, #clear_offenses, #enabled?, #excludes_file?, inherited, #initialize, support_autocorrect?
Constructor Details
This class inherits a constructor from ERBLint::Linter
Instance Method Details
#autocorrect(_processed_source, offense) ⇒ Object
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# File 'lib/erb_lint/linters/closing_erb_tag_indent.rb', line 49 def autocorrect(_processed_source, offense) lambda do |corrector| corrector.replace(offense.source_range, offense.context) end end |
#run(processed_source) ⇒ Object
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# File 'lib/erb_lint/linters/closing_erb_tag_indent.rb', line 13 def run(processed_source) processed_source.ast.descendants(:erb).each do |erb_node| _, _, code_node, = *erb_node code = code_node.children.first start_spaces = code.match(START_SPACES)&.captures&.first || "" end_spaces = code.match(END_SPACES)&.captures&.first || "" start_with_newline = start_spaces.include?("\n") end_with_newline = end_spaces.include?("\n") if !start_with_newline && end_with_newline add_offense( code_node.loc.end.adjust(begin_pos: -end_spaces.size), "Remove newline before `%>` to match start of tag.", ' ' ) elsif start_with_newline && !end_with_newline add_offense( code_node.loc.end.adjust(begin_pos: -end_spaces.size), "Insert newline before `%>` to match start of tag.", "\n" ) elsif start_with_newline && end_with_newline current_indent = end_spaces.split("\n", -1).last if erb_node.loc.column != current_indent.size add_offense( code_node.loc.end.adjust(begin_pos: -current_indent.size), "Indent `%>` on column #{erb_node.loc.column} to match start of tag.", ' ' * erb_node.loc.column ) end end end end |