teamcapybara/capybara · error · ArgumentError

Unknown selector type (:#{sel_type})

Error message

Unknown selector type (:#{sel_type})

What it means

Error "Unknown selector type (:#{sel_type})" thrown in teamcapybara/capybara.

Source

Thrown at lib/capybara/selector/selector.rb:11

# frozen_string_literal: true

module Capybara
  class Selector < SimpleDelegator
    class << self
      def all
        @definitions ||= {} # rubocop:disable Naming/MemoizedInstanceVariableName
      end

      def [](name)
        all.fetch(name.to_sym) { |sel_type| raise ArgumentError, "Unknown selector type (:#{sel_type})" }
      end

      def add(name, **options, &block)
        all[name.to_sym] = Definition.new(name.to_sym, **options, &block)
      end

      def update(name, &block)
        self[name].instance_eval(&block)
      end

      def remove(name)
        all.delete(name.to_sym)
      end

      def for(locator)
        all.values.find { |sel| sel.match?(locator) }
      end
    end

View on GitHub (pinned to 15b5fdb76e)

When it happens

Trigger: Thrown at lib/capybara/selector/selector.rb:11 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of teamcapybara/capybara@15b5fdb76e (2026-08-21). Data as JSON: /api/errors/a360c5754278da12. Report an issue: GitHub.