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jekyll-task-i18n - Preprocessor for Jekyll to support i18n

jekyll-task-i18n is a preprocessor for Jekyll to support i18n.

There are some i18n softwares for Jekyll that are implemented as Jekyll plugin such as jekyll-localization and jekyll-i18n. jekyll-task-i18n uses preprocessor approach instead of Jekyll plugin. This approach has the following advantages:

• You can use i18n feature on GitHub pages.
• You don't mark translate target texts up in your source.

You can't use Jekyll plugins on GitHub Pages. So you can't use Jekyll plugin based approaches too.

jekyll-localization uses {{ 'translate target content' | t: 'translated content' }} markup. jekyll-i18n uses {%t Your translated content %} markup.

jekyll-task-i18n extracts translate target content from source as preprocessor. So you don't need to mark your source up.

How to work

TODO

Installation

Create the following Gemfile:

source "https://rubygems.org/"

gem "jekyll-task-i18n"

Create the following Rakefile:

require "bundler/setup"
require "jekyll/task/i18n"

Jekyll::Task::I18n.define do |task|
  # Set translate target locales.
  task.locales = ["ja", "fr"]
  # Set all *.md texts as translate target contents.
  task.files = Rake::FileList["**/*.md"]
  # Remove internal files from target contents.
  task.files -= Rake::FileList["_*/**/*.md"]
  # Remove translated files from target contents.
  task.locales.each do |locale|
    task.files -= Rake::FileList["#{locale}/**/*.md"]
  end
end

Add the following line to _config.yml:

exclude: ["Gemfile", "Gemfile.lock", "Rakefile"]

Install dependency softwares:

% bundle

Work-flow

Here is a work-flow to translate one documentation in English:

1. Run rake.
2. Translate _po/${YOUR_LOCALE}/${PATH_TO_TARGET_FILE}.edit.po.
3. Run rake.
4. Run jekyll server.
5. Confirm _site/${YOUR_LOCALE}/${PATH_TO_TARGET_FILE}.html.
6. Commit _po/${YOUR_LOCALE}/${PATH_TO_TARGET_FILE}.po (not .edit.po) and ${YOUR_LOCALE}/${PATH_TO_TARGET_FILE}.md.

Example

Here is an example to translate overview/index.md into Japanese.

Run rake:

% rake

Translate _po/ja/overview/index.edit.po:

% gedit _po/ja/overview/index.edit.po

Note: You can use PO editor instead of text editor. For example, Emacs's po-mode, Vim, Gtranslator, Lokalize and so on.

Run rake:

% rake

Run jekyll server:

% jekyll server &

Confirm _site/ja/overview/index.html:

% firefox http://localhost:4000/ja/overview/index.html

Commit _po/ja/overview/index.po and ja/overview/index.md:

% git add _po/ja/overview/index.po
% git add ja/overview/index.md
% git commit
% git push

License

LGPLv2 only. See LICENSE.txt for detail.