Class: SlimLint::Linter::DynamicOutputSpacing

Inherits:
SlimLint::Linter show all
Includes:
SlimLint::LinterRegistry
Defined in:
lib/slim_lint/linter/dynamic_output_spacing.rb

Overview

Checks for missing or superfluous spacing before and after dynamic tag output indicators.

Constant Summary collapse

PATTERN = 
"==?['<>]*"

Instance Attribute Summary

Attributes inherited from SlimLint::Linter

#lints

Attributes included from SexpVisitor::DSL

#captures, #patterns

Instance Method Summary collapse

Methods included from SlimLint::LinterRegistry

extract_linters_from, included

Methods inherited from SlimLint::Linter

#initialize, #name, #run

Methods included from SexpVisitor::DSL

#anything, #capture, #on, #on_start

Methods included from SexpVisitor

#captures, #on_start, #patterns, #traverse, #traverse_children, #trigger_pattern_callbacks

Constructor Details

This class inherits a constructor from SlimLint::Linter

Instance Method Details

#after_config ⇒ Object 



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# File 'lib/slim_lint/linter/dynamic_output_spacing.rb', line 64

def after_config
  @after_config ||= case config["space_after"]
  when "never", false, nil
    [/^ *#{PATTERN}[^ ]/, "remove spaces after"]
  when "always", "single", true
    [/^ *#{PATTERN} [^ ]/, "use one space after"]
  when "ignore", "any"
    [//, ""]
  else
    raise ArgumentError, "Unknown value for `space_after`; please use 'never', 'always', or 'ignore'"
  end
end

#before_config ⇒ Object 



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# File 'lib/slim_lint/linter/dynamic_output_spacing.rb', line 51

def before_config
  @before_config ||= case config["space_before"]
  when "never", false, nil
    [/^#{PATTERN}/, "remove spaces before"]
  when "always", "single", true
    [/^ #{PATTERN}/, "use one space before"]
  when "ignore", "any"
    [//, ""]
  else
    raise ArgumentError, "Unknown value for `space_before`; please use 'never', 'always', or 'ignore'"
  end
end

#report(expr, *results) ⇒ Object 



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# File 'lib/slim_lint/linter/dynamic_output_spacing.rb', line 33

def report(expr, *results)
  _, before_action = before_config
  _, after_action = after_config

  case results
  when [false, true]
    report_lint(expr, "Please #{before_action} the equals sign")
  when [true, false]
    report_lint(expr, "Please #{after_action} the equals sign")
  when [false, false]
    if before_action[0] == after_action[0]
      report_lint(expr, "Please #{before_action} and after the equals sign")
    else
      report_lint(expr, "Please #{before_action} and #{after_action} the equals sign")
    end
  end
end