40 lines
938 B
Ruby
40 lines
938 B
Ruby
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require 'yaml'
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module Liquid
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class I18n
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DEFAULT_LOCALE = File.join(File.expand_path(__dir__), "locales", "en.yml")
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TranslationError = Class.new(StandardError)
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attr_reader :path
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def initialize(path = DEFAULT_LOCALE)
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@path = path
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end
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def translate(name, vars = {})
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interpolate(deep_fetch_translation(name), vars)
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end
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alias_method :t, :translate
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def locale
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@locale ||= YAML.load_file(@path)
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end
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private
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def interpolate(name, vars)
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name.gsub(/%\{(\w+)\}/) do
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# raise TranslationError, "Undefined key #{$1} for interpolation in translation #{name}" unless vars[$1.to_sym]
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(vars[$1.to_sym]).to_s
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end
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end
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def deep_fetch_translation(name)
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name.split('.'.freeze).reduce(locale) do |level, cur|
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level[cur] or raise TranslationError, "Translation for #{name} does not exist in locale #{path}"
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end
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end
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end
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end
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