Class: Jekyll::TaxonomyRedirects::Generator

Inherits:
Generator
  • Object
show all
Defined in:
lib/jekyll/taxonomy_redirects.rb

Instance Method Summary collapse

Instance Method Details

#generate(site) ⇒ Object 



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# File 'lib/jekyll/taxonomy_redirects.rb', line 41

def generate(site)
  cfg   = site.config["taxonomy_redirects"] || {}
  roots = Array(cfg["roots"])
  maps  = Array(cfg["maps"])
  emit_canonical = cfg.key?("emit_canonical") ? !!cfg["emit_canonical"] : true

  # Root redirects like /category/ -> /venues/
  roots.each do |r|
    from = trim_slashes(r["from"].to_s)
    to   = ensure_trailing_slash(r["to"].to_s)
    next if from.empty? || to.empty?
    site.static_files << RedirectStaticFile.new(site, from, "index.html", to, emit_canonical: emit_canonical)
  end

  # Per-slug redirects from taxonomies
  maps.each do |m|
    type = m["type"].to_s # "category" or "tag"
    from = trim_slashes(m["from"].to_s)
    to   = trim_slashes(m["to"].to_s)
    next if type.empty? || from.empty? || to.empty?

    slugs = case type
            when "category" then site.categories.keys
            when "tag"      then site.tags.keys
            else []
            end

    slugs.each do |slug|
      from_dir = File.join(from, slug)               # e.g. "category/union-chapel"
      dest_url = "/" + File.join(to, slug, "")       # e.g. "/venues/union-chapel/"
      site.static_files << RedirectStaticFile.new(site, from_dir, "index.html", dest_url, emit_canonical: emit_canonical)
    end
  end
end