An Asciidoctor treeprocessor that wraps text content in Angular's localize filter.

angular-localizer-treeprocessor.rb

#!/usr/bin/env ruby

require 'asciidoctor/extensions'

class AngularLocalizerTreeprocessor < Asciidoctor::Extensions::Treeprocessor
    def process document
        document.blocks? ? (localize_blocks document) : nil
    end

    def localize_blocks node
        node.find_by do |b|
            case b.context
            when :paragraph
                b.lines.replace [localize_text(b.lines * ' ')]
            when :list_item
                b.instance_variable_set :@text, (localize_text b.instance_variable_get :@text)
            end
            true
        end
        nil
    end

    def localize_text text
      %({{#{text} | localize}}) 
    end
end

Asciidoctor::Extensions.register do 
    treeprocessor AngularLocalizerTreeprocessor
end