module Jekyll
module Maps
class GoogleMapApi
HEAD_END_TAG = %r!!
class << self
def prepend_api_code(doc)
@config = doc.site.config
if doc.output =~ HEAD_END_TAG
# Insert API code before header's end if this document has one.
doc.output.gsub!(HEAD_END_TAG, %(#{api_code}#{Regexp.last_match}))
else
doc.output.prepend(api_code)
end
end
private
def api_code
api_key = @config.fetch("maps", {}).fetch("google", {}).fetch("api_key", "")
<
#{js_lib_contents}
HTML
end
private
def js_lib_contents
@js_lib_contents ||= begin
File.read(js_lib_path)
end
end
private
def js_lib_path
@js_lib_path ||= begin
File.expand_path("./google_map_api.js", File.dirname(__FILE__))
end
end
end
end
end
end
Jekyll::Hooks.register [:pages, :documents], :post_render do |doc|
if doc.output =~ %r!#{Jekyll::Maps::GoogleMapTag::JS_LIB_NAME}!
Jekyll::Maps::GoogleMapApi.prepend_api_code(doc)
end
end