Add comment formatting

src/invidious.cr

@@ -1813,9 +1813,38 @@ get "/api/v1/comments/:id" do |env|
                   node_comment = node["commentRenderer"]
                 end
 
-                content_text = node_comment["contentText"]["simpleText"]?.try &.as_s.rchop('\ufeff')
-                content_text ||= node_comment["contentText"]["runs"].as_a.map { |comment| comment["text"] }
-                  .join("").rchop('\ufeff')
+                contentHtml = node_comment["contentText"]["simpleText"]?.try &.as_s.rchop('\ufeff')
+                contentHtml ||= node_comment["contentText"]["runs"].as_a.map do |run|
+                  text = run["text"].as_s
+
+                  if run["text"] == "\n"
+                    text = "<br>"
+                  end
+
+                  if run["bold"]?
+                    text = "<b>#{text}</b>"
+                  end
+
+                  if run["italics"]?
+                    text = "<i>#{text}</i>"
+                  end
+
+                  if run["navigationEndpoint"]?
+                    url = run["navigationEndpoint"]["urlEndpoint"]?.try &.["url"].as_s
+                    if url
+                      url = URI.parse(url)
+                      url = HTTP::Params.parse(url.query.not_nil!)["q"]
+                    else
+                      url = run["navigationEndpoint"]["commandMetadata"]?.try &.["webCommandMetadata"]["url"].as_s
+                    end
+
+                    text = %(<a href="#{url}">#{text}</a>)
+                  end
+
+                  text
+                end.join.rchop('\ufeff')
+
+                content, contentHtml = html_to_description(contentHtml)
 
                 author = node_comment["authorText"]?.try &.["simpleText"]
                 author ||= ""
@@ -1843,7 +1872,8 @@ get "/api/v1/comments/:id" do |env|
 
                 published = decode_date(node_comment["publishedTimeText"]["runs"][0]["text"].as_s.rchop(" (edited)"))
 
-                json.field "content", content_text
+                json.field "content", content
+                json.field "contentHtml", contentHtml
                 json.field "published", published.epoch
                 json.field "likeCount", node_comment["likeCount"]
                 json.field "commentId", node_comment["commentId"]

src/invidious/comments.cr

@@ -113,7 +113,7 @@ def template_youtube_comments(comments)
             - #{recode_date(Time.epoch(child["published"].as_i64))} ago
           </p>
           <div>
-          #{child["content"]}
+          <p style="white-space:pre-wrap">#{child["contentHtml"]}</p>
           #{replies_html}
           </div>
         </div>