feat: Add support for comments from Mastodon posts (API)

Can be replied to from the Fediverse/ any ActivityPub-compatible instance.

assets/main.css

@@ -1,7 +1,6 @@
 /* Adapted from Simple CSS (MIT License): https://simplecss.org/ */
 /* Set the global variables for everything. Change these to use your own fonts/colours. */
 :root {
-
 	/* Set sans-serif & mono fonts */
 	--sans-font: -apple-system, BlinkMacSystemFont, "Avenir Next", Avenir, "Nimbus Sans L", Roboto, Noto, "Segoe UI", Arial, Helvetica, "Helvetica Neue", sans-serif;
 	--mono-font: Consolas, Menlo, Monaco, "Andale Mono", "Ubuntu Mono", monospace;
@@ -24,13 +23,14 @@
 	--accent: #bd93f9;
 	--accent-light: #bd93f9;
 	--code: #ff79c6;
-	--preformatted: #CCC;
+	--preformatted: #ccc;
 	--marked: #f1fa8c;
 }
 
 /* Dark theme */
-  img, video {
+img,
-	  opacity: .6;
+video {
+	opacity: 0.6;
 }
 
 * {
@@ -55,7 +55,7 @@
 main {
 	margin: 1rem auto 0;
 	max-width: 45rem;
-	padding: 0 .5rem;
+	padding: 0 0.5rem;
 }
 
 /* Make the header bg full width, but the content inline with body */
@@ -102,9 +102,9 @@
 	border-radius: 5px;
 	color: var(--text) !important;
 	display: inline-block;
-	padding: .1rem 1rem;
+	padding: 0.1rem 1rem;
 	text-decoration: none;
-	transition: .4s;
+	transition: 0.4s;
 }
 
 nav a:hover {
@@ -120,7 +120,7 @@
 	margin-top: 4rem;
 	padding: 2rem 1rem 1.5rem 1rem;
 	color: var(--text-light);
-	font-size: .9rem;
+	font-size: 0.9rem;
 	text-align: center;
 	border-top: 1px solid var(--border);
 }
@@ -176,9 +176,9 @@
 	background: var(--accent);
 	font-size: 1rem;
 	color: var(--bg);
-	padding: .7rem .9rem;
+	padding: 0.7rem 0.9rem;
-	margin: .5rem 0;
+	margin: 0.5rem 0;
-	transition: .4s;
+	transition: 0.4s;
 }
 
 a button[disabled],
@@ -187,7 +187,7 @@
 input[type="reset"][disabled],
 input[type="button"][disabled] {
 	cursor: default;
-	  opacity: .5;
+	opacity: 0.5;
 	cursor: not-allowed;
 }
 
@@ -204,12 +204,12 @@
 input[type="reset"]:enabled:hover,
 input[type="button"]:focus,
 input[type="button"]:enabled:hover {
-	  opacity: .8;
+	opacity: 0.8;
 }
 
 /* Format the expanding box */
 details {
-	  padding: .6rem 1rem;
+	padding: 0.6rem 1rem;
 	background: var(--accent-bg);
 	border: 1px solid var(--border);
 	border-radius: 5px;
@@ -222,11 +222,11 @@
 }
 
 details[open] {
-	  padding-bottom: .75rem;
+	padding-bottom: 0.75rem;
 }
 
 details[open] summary {
-	  margin-bottom: .5rem;
+	margin-bottom: 0.5rem;
 }
 
 details[open] > *:last-child {
@@ -236,14 +236,14 @@
 /* Format tables */
 table {
 	border-collapse: collapse;
-	  width: 100%
+	width: 100%;
 }
 
 td,
 th {
 	border: 1px solid var(--border);
 	text-align: left;
-	  padding: .5rem;
+	padding: 0.5rem;
 }
 
 th {
@@ -258,7 +258,7 @@
 
 table caption {
 	font-weight: bold;
-	  margin-bottom: .5rem;
+	margin-bottom: 0.5rem;
 }
 
 /* Lists */
@@ -273,8 +273,8 @@
 input {
 	font-size: inherit;
 	font-family: inherit;
-	  padding: .5rem;
+	padding: 0.5rem;
-	  margin-bottom: .5rem;
+	margin-bottom: 0.5rem;
 	color: var(--text);
 	background: var(--bg);
 	border: 1px solid var(--border);
@@ -286,7 +286,7 @@
 
 /* Make the textarea wider than other inputs */
 textarea {
-	width: 80%
+	width: 80%;
 }
 
 /* Makes input fields wider on smaller screens */
@@ -299,7 +299,8 @@
 }
 
 /* Ensures the checkbox and radio inputs do not have a set width like other input fields */
-  input[type="checkbox"], input[type="radio"]{
+input[type="checkbox"],
+input[type="radio"] {
 	width: auto;
 }
 
@@ -329,7 +330,8 @@
 	background: var(--marked);
 }
 
-  main img, main video {
+main img,
+main video {
 	max-width: 100%;
 	border-radius: 5px;
 }
@@ -339,7 +341,7 @@
 }
 
 figcaption {
-	font-size: .9rem;
+	font-size: 0.9rem;
 	color: var(--text-light);
 	text-align: center;
 	margin-bottom: 1rem;
@@ -347,9 +349,9 @@
 
 blockquote {
 	margin: 2rem 0 2rem 2rem;
-	padding: .4rem .8rem;
+	padding: 0.4rem 0.8rem;
-	  border-left: .35rem solid var(--accent);
+	border-left: 0.35rem solid var(--accent);
-	  opacity: .8;
+	opacity: 0.8;
 	font-style: italic;
 }
 
@@ -374,7 +376,7 @@
 	border: 1px solid var(--preformatted);
 	border-bottom: 3px solid var(--preformatted);
 	border-radius: 5px;
-	  padding: .1rem;
+	padding: 0.1rem;
 }
 
 pre {
@@ -450,3 +452,37 @@
 .wr-source {
 	color: rgb(192, 191, 191);
 }
+
+.mastodon-comment {
+	background-color: var(--body-background);
+	border-radius: var(--card-border-radius);
+	padding: var(--card-padding);
+	margin-bottom: 1rem;
+	display: flex;
+}
+
+.mastodon-comment .content {
+	flex-grow: 2;
+}
+
+.mastodon-comment .avatar img {
+	margin-right: 1rem;
+	min-width: 60px;
+}
+
+.mastodon-comment .author {
+	padding-top: 0;
+	display: flex;
+}
+
+.mastodon-comment .author .date {
+	margin-left: auto;
+}
+
+.mastodon-comment .disabled {
+	color: var(--accent-color);
+}
+
+.mastodon-comment-content p:first-child {
+	margin-top: 0;
+}

layouts/blog/single.html

@@ -28,13 +28,12 @@
 	{{ end }}
 </p>
 
-
+{{ partial "fedi-comments" . }}
-<a href="#"><button class="top">Back to top</button></a>
-<!--<a href="sc"><button class="top">Load comments (Mastodon)</button></a>-->
-
 
 {{ if $.Site.Params.openring }}
 {{ partial "openring-out" . -}}
 {{ end }}
 
+<a href="#"><button class="top">Back to top</button></a>
+
 {{ end }}

layouts/partials/fedi-comments.html

@@ -0,0 +1,74 @@
+{{ with .Params.comments }}
+<h3>Comments</h3>
+
+<p>
+	You may <a class="link" href="https://{{ .host }}/@{{ .user }}/{{ .id }}" target="_blank">view</a>
+	or <a class="link" href="https://{{ .host }}/interact/{{ .id }}?type=reply" target="_blank">reply</a>
+	if you have an account anywhere in the Fediverse.
+</p>
+
+<p id="mastodon-comments-list"><button id="load-comment">Load comments</button></p>
+<noscript>
+	<p>
+		You would need JavaScript to view comments here on this page.
+		However, you can still <a class="link" href="https://{{ .host }}/@{{ .user }}/{{ .id }}" target="_blank">view</a>
+		or <a class="link" href="https://{{ .host }}/interact/{{ .id }}?type=reply" target="_blank">reply</a>
+		if you have an account anywhere in the Fediverse.
+	</p>
+</noscript>
+
+<script src="https://cdnjs.cloudflare.com/ajax/libs/dompurify/2.2.6/purify.min.js "></script>
+<script type="text/javascript">
+function escapeHtml(unsafe) {
+	return unsafe
+	.replace(/&/g, "&amp;")
+	.replace(/</g, "&lt;")
+	.replace(/>/g, "&gt;")
+	.replace(/"/g, "&quot;")
+	.replace(/'/g, "&#039;");
+	}
+
+document.getElementById("load-comment").addEventListener("click", function() {
+	document.getElementById("load-comment").innerHTML = "Loading... 🚀";
+		fetch('https://{{ .host }}/api/v1/statuses/{{ .id }}/context')
+		.then(function(response) {
+			return response.json();
+		})
+		.then(function(data) {
+			if(data['descendants'] &&
+			Array.isArray(data['descendants']) &&
+			data['descendants'].length > 0) {
+				document.getElementById('mastodon-comments-list').innerHTML = "";
+				data['descendants'].forEach(function(reply) {
+					reply.account.display_name = escapeHtml(reply.account.display_name);
+					reply.account.emojis.forEach(emoji => {
+						reply.account.display_name = reply.account.display_name.replace(`:${emoji.shortcode}:`,
+						`<img src="${escapeHtml(emoji.static_url)}" alt="Emoji ${emoji.shortcode}" height="20" width="20" />`);
+					});
+					mastodonComment =
+					`<div class="mastodon-comment">
+						<div class="avatar">
+							<img src="${escapeHtml(reply.account.avatar_static)}" height=60 width=60 alt="">
+							</div>
+							<div class="content">
+								<div class="author">
+									<a href="${reply.account.url}" rel="nofollow">
+										<span>${reply.account.display_name}</span>
+										<span class="disabled">${escapeHtml(reply.account.acct)}</span>
+										</a>
+										<a class="date" href="${reply.uri}" rel="nofollow">
+											${reply.created_at.substr(0, 10)}
+											</a>
+											</div>
+											<div class="mastodon-comment-content">${reply.content}</div>
+											</div>
+											</div>`;
+											document.getElementById('mastodon-comments-list').appendChild(DOMPurify.sanitize(mastodonComment, {'RETURN_DOM_FRAGMENT': true}));
+										});
+									} else {
+										document.getElementById('mastodon-comments-list').innerHTML = "<p>No comments, add yours?</p>";
+									}
+								});
+								});
+</script>
+{{ end }}