Class: ThemeCheck::UnknownFilter

Inherits:
LiquidCheck show all
Defined in:
lib/theme_check/checks/unknown_filter.rb

Overview

Unwanted:

x | some_unknown_filter }

Wanted:

x | upcase }

Constant Summary

Constants inherited from Check

Check::CATEGORIES, Check::SEVERITIES, Check::SEVERITY_VALUES

Instance Attribute Summary

Attributes inherited from Check

#ignored_patterns, #offenses, #options, #theme

Instance Method Summary collapse

Methods included from ChecksTracking

#inherited

Methods included from ParsingHelpers

#outside_of_strings

Methods inherited from Check

#==, #add_offense, all, can_disable, #can_disable?, categories, #categories, category, #code_name, doc, #doc, docs_url, #ignore!, #ignored?, #severity, severity, #severity=, #severity_value, severity_value, single_file, #single_file?, #to_s, #whole_theme?

Methods included from JsonHelpers

#format_json_parse_error

Instance Method Details

#on_variable(node) ⇒ Object



17
18
19
20
21
22
23
24
# File 'lib/theme_check/checks/unknown_filter.rb', line 17

def on_variable(node)
  used_filters = node.value.filters.map { |name, *_rest| name }
  undefined_filters = used_filters - ShopifyLiquid::Filter.labels

  undefined_filters.each do |undefined_filter|
    add_offense("Undefined filter `#{undefined_filter}`", node: node)
  end
end