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Contents
# frozen_string_literal: true
# Released under the MIT License.
# Copyright, 2012-2022, by Samuel Williams.
require_relative 'namespace'
require 'variant'
module Utopia
class Content
# Tags which provide intrinsic behaviour within the content middleware.
module Tags
extend Namespace
# Invokes a node and renders a single node to the output stream.
# @param path [String] The path of the node to invoke.
tag('node') do |document, state|
path = Path[state[:path]]
node = document.lookup_node(path)
document.render_node(node)
end
# Invokes a deferred tag from the current state. Works together with {Document::State#defer}.
# @param id [String] The id of the deferred to invoke.
tag('deferred') do |document, state|
id = state[:id].to_i
deferred = document.parent.deferred[id]
deferred.call(document, state)
end
# Renders the content of the parent node into the output of the document.
tag('content') do |document, state|
# We are invoking this node within a parent who has content, and we want to generate output equal to that.
document.write(document.parent.content)
end
# Render the contents only if in the correct environment.
# @param only [String] A comma separated list of environments to check.
tag('environment') do |document, state|
variant = document.attributes.fetch(:variant) do
Variant.for(:utopia)
end.to_s
if state[:only].split(',').include?(variant)
document.parse_markup(state.content)
end
end
end
end
end
Version data entries
9 entries across 9 versions & 1 rubygems