Class: ExtractI18n::Adapters::JsAdapter

Inherits:
Adapter
  • Object
show all
Defined in:
lib/extract_i18n/adapters/js_adapter.rb

Constant Summary collapse

IGNORE_AFTER = 
/(key: *|import .*|require\(.*)/

Instance Attribute Summary

Attributes inherited from Adapter

#file_key, #file_path, #on_ask, #options

Instance Method Summary collapse

Methods inherited from Adapter

for, #initialize, supports_relative_keys?

Constructor Details

This class inherits a constructor from ExtractI18n::Adapters::Adapter

Instance Method Details

#replace_string(item) ⇒ Object 



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# File 'lib/extract_i18n/adapters/js_adapter.rb', line 38

def replace_string(item)
  content = item[:value]
  start = [item.dig(:loc, :start, :line) - 1, item.dig(:loc, :start, :column)]
  finish = [item.dig(:loc, :end, :line) - 1, item.dig(:loc, :end, :column)]

  source_line = @original_context.lines[start[0]]
  change = ExtractI18n::SourceChange.new(
    i18n_key: "#{@file_key}.#{ExtractI18n.key(content)}",
    i18n_string: content,
    source_line: source_line,
    remove: item[:raw],
    t_template: @t_template,
    interpolation_type: :vue,
    interpolate_arguments: {},
  )

  if ExtractI18n.ignore?(change.i18n_string)
    return
  end
  token = Regexp.escape(item[:raw])
  regexp = Regexp.new(IGNORE_AFTER.to_s + token)
  return if source_line.match?(regexp)
  return if change.i18n_string[file_key]

  byte_from = @original_context.lines[0...start[0]].join.length + start[1]
  byte_to = @original_context.lines[0...finish[0]].join.length + finish[1]

  if @on_ask.call(change)
    byte_from += @byte_offset
    byte_to += @byte_offset

    @current_buffer = @current_buffer[0...byte_from] + change.i18n_t + @current_buffer[byte_to..]

    @byte_offset += change.i18n_t.length - item[:raw].length
  end
end

#run(original_context) ⇒ Object 



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# File 'lib/extract_i18n/adapters/js_adapter.rb', line 8

def run(original_context)
  path = '../../../js/find_string_tokens.js'
  abs_path = File.expand_path(path, __dir__)
  stdout, stderr, status = Open3.capture3('node', abs_path, stdin_data: original_context)
  unless status.success?
    warn stderr
    warn "Failed to run js/find_string_tokens.js: #{status}"
    return original_context
  end
  @current_buffer = original_context.dup
  @original_context = original_context.dup.freeze

  @t_template = %[t('%s'%s)]
  if vue2?(original_context)
    @t_template = %[this.$t('%s'%s)]
  end

  @byte_offset = 0

  results = ::JSON.parse(stdout, symbolize_names: true)
  results.each do |item|
    if item[:type] == 'literal'
      replace_string(item)
    else
      warn "Template String literals not implemented yet: #{JSON.pretty_generate(item)}"
    end
  end
  @current_buffer
end

#vue2?(content) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/extract_i18n/adapters/js_adapter.rb', line 75

def vue2?(content)
  content['data()'] || content['computed:'] || content['this.$i18n'] || content['this.$t'] || content['this.$store']
end