discourse/plugins/spoiler-alert/plugin.rb

# frozen_string_literal: true

# name: spoiler-alert
# about: Uses the Spoiler Alert plugin to blur text when spoiling it.
# meta_topic_id: 12650
# version: 1.1.0
# authors: Discourse Team
# url: https://github.com/discourse/discourse/tree/main/plugins/spoiler-alert

enabled_site_setting :spoiler_enabled

register_asset "stylesheets/discourse_spoiler_alert.scss"

after_initialize do
  on(:reduce_cooked) do |fragment, post|
    fragment
      .css(".spoiler")
      .each do |el|
        link = fragment.document.create_element("a")
        link["href"] = post.url
        link.content = I18n.t("spoiler_alert.excerpt_spoiler")
        el.inner_html = link.to_html
      end
  end

  # Remove spoilers from topic excerpts
  on(:reduce_excerpt) { |doc, post| doc.css(".spoiler").remove }
end