/
exceptions.rb
147 lines (123 loc) · 4.29 KB
/
exceptions.rb
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# frozen_string_literal: true
require 'cgi'
module I18n
class ExceptionHandler
def call(exception, _locale, _key, _options)
if exception.is_a?(MissingTranslation)
exception.message
else
raise exception
end
end
end
class ArgumentError < ::ArgumentError; end
class Disabled < ArgumentError
def initialize(method)
super(<<~MESSAGE)
I18n.#{method} is currently disabled, likely because your application is still in its loading phase.
This method is meant to display text in the user locale, so calling it before the user locale has
been set is likely to display text from the wrong locale to some users.
If you have a legitimate reason to access i18n data outside of the user flow, you can do so by passing
the desired locale explictly with the `locale` argument, e.g. `I18n.#{method}(..., locale: :en)`
MESSAGE
end
end
class InvalidLocale < ArgumentError
attr_reader :locale
def initialize(locale)
@locale = locale
super "#{locale.inspect} is not a valid locale"
end
end
class InvalidLocaleData < ArgumentError
attr_reader :filename
def initialize(filename, exception_message)
@filename, @exception_message = filename, exception_message
super "can not load translations from #{filename}: #{exception_message}"
end
end
class MissingTranslation < ArgumentError
module Base
PERMITTED_KEYS = [:scope].freeze
attr_reader :locale, :key, :options
def initialize(locale, key, options = EMPTY_HASH)
@key, @locale, @options = key, locale, options.slice(*PERMITTED_KEYS)
options.each { |k, v| self.options[k] = v.inspect if v.is_a?(Proc) }
end
def keys
@keys ||= I18n.normalize_keys(locale, key, options[:scope]).tap do |keys|
keys << 'no key' if keys.size < 2
end
end
def message
"translation missing: #{keys.join('.')}"
end
alias :to_s :message
def to_exception
MissingTranslationData.new(locale, key, options)
end
end
include Base
end
class MissingTranslationData < ArgumentError
include MissingTranslation::Base
end
class InvalidPluralizationData < ArgumentError
attr_reader :entry, :count, :key
def initialize(entry, count, key)
@entry, @count, @key = entry, count, key
super "translation data #{entry.inspect} can not be used with :count => #{count}. key '#{key}' is missing."
end
end
class MissingInterpolationArgument < ArgumentError
attr_reader :key, :values, :string
def initialize(key, values, string)
@key, @values, @string = key, values, string
super "missing interpolation argument #{key.inspect} in #{string.inspect} (#{values.inspect} given)"
end
end
class ReservedInterpolationKey < ArgumentError
attr_reader :key, :string
def initialize(key, string)
@key, @string = key, string
super "reserved key #{key.inspect} used in #{string.inspect}"
end
end
class UnknownFileType < ArgumentError
attr_reader :type, :filename
def initialize(type, filename)
@type, @filename = type, filename
super "can not load translations from #{filename}, the file type #{type} is not known"
end
end
class UnsupportedMethod < ArgumentError
attr_reader :method, :backend_klass, :msg
def initialize(method, backend_klass, msg)
@method = method
@backend_klass = backend_klass
@msg = msg
super "#{backend_klass} does not support the ##{method} method. #{msg}"
end
end
class InvalidFilenames < ArgumentError
NUMBER_OF_ERRORS_SHOWN = 20
def initialize(file_errors)
super <<~MSG
Found #{file_errors.count} error(s).
The first #{[file_errors.count, NUMBER_OF_ERRORS_SHOWN].min} error(s):
#{file_errors.map(&:message).first(NUMBER_OF_ERRORS_SHOWN).join("\n")}
To use the LazyLoadable backend:
1. Filenames must start with the locale.
2. An underscore must separate the locale with any optional text that follows.
3. The file must only contain translation data for the single locale.
Example:
"/config/locales/fr.yml" which contains:
```yml
fr:
dog:
chien
```
MSG
end
end
end