1 files changed, 26 insertions, 0 deletions
diff --git a/_plugins/i18n.rb b/_plugins/i18n.rb
new file mode 100644
index 0000000..1bfb8ce
--- /dev/null
+++ b/_plugins/i18n.rb
@@ -0,0 +1,26 @@
+class I18N < Liquid::Tag
+	def initialize(tag_name, text, tokens)
+		super
+		@key = text.strip()
+	end
+
+	def render(context)
+		# see _data/i18n.yml
+		db = context.registers[:site].data['i18n']
+		lang = context.registers[:page]['lang']
+
+		entry = db[@key]
+		return @key if entry == nil
+
+		# first translation is the preferred translation
+		translation = entry.values[0]
+		# return key as-is if the entry is an empty map
+		return @key if translation == nil
+		# return the correct translation if it is in the entry
+		return entry[lang] if entry.key?(lang)
+		# else, return the first translation
+		return translation
+	end
+end
+
+Liquid::Template.register_tag('i18n', I18N)