Danke Carl Schwan für Adding comments to your static blog with Mastodon
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sb/layouts/partials/comments.html
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sb/layouts/partials/comments.html
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{{ with .Params.comments }}
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<section id="comments" class="article-content">
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<h2>Comments</h2>
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<p>Mit einem Mastodon- oder Fediverse-Account kannst du hier antworten <a href="https://{{ .host }}/@{{ .username }}/{{ .id }}">post</a>. Since Mastodon is decentralized, you can use your existing account hosted by another Mastodon server or compatible platform if you don't have an account on this one. Known non-private replies are displayed below.</p>
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<p>Learn how this is implemented <a class="link" href="/2020/12/29/adding-comments-to-your-static-blog-with-mastodon/">here.</a></p>
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<p id="mastodon-comments-list"><button id="load-comment">Load comments</button></p>
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<div id="comments-wrapper">
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<noscript><p>Loading comments relies on JavaScript. Try enabling JavaScript and reloading, or visit <a href="https://{{ .host }}/@{{ .username }}/{{ .id }}">the original post</a> on Mastodon.</p></noscript>
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</div>
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<noscript>You need JavaScript to view the comments.</noscript>
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<script src="/js/purify.min.js"></script>
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<script type="text/javascript">
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function escapeHtml(unsafe) {
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return unsafe
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.replace(/&/g, "&")
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.replace(/</g, "<")
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.replace(/>/g, ">")
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.replace(/"/g, """)
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.replace(/'/g, "'");
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}
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function emojify(input, emojis) {
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let output = input;
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emojis.forEach(emoji => {
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let picture = document.createElement("picture");
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let source = document.createElement("source");
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source.setAttribute("srcset", escapeHtml(emoji.url));
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source.setAttribute("media", "(prefers-reduced-motion: no-preference)");
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let img = document.createElement("img");
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img.className = "emoji";
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img.setAttribute("src", escapeHtml(emoji.static_url));
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img.setAttribute("alt", `:${ emoji.shortcode }:`);
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img.setAttribute("title", `:${ emoji.shortcode }:`);
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img.setAttribute("width", "20");
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img.setAttribute("height", "20");
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picture.appendChild(source);
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picture.appendChild(img);
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output = output.replace(`:${ emoji.shortcode }:`, picture.outerHTML);
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});
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return output;
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}
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function loadComments() {
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let commentsWrapper = document.getElementById("comments-wrapper");
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document.getElementById("load-comment").innerHTML = "Loading";
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fetch('https://{{ .host }}/api/v1/statuses/{{ .id }}/context')
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.then(function(response) {
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return response.json();
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})
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.then(function(data) {
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let descendants = data['descendants'];
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if(
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descendants &&
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Array.isArray(descendants) &&
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descendants.length > 0
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) {
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commentsWrapper.innerHTML = "";
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descendants.forEach(function(status) {
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console.log(descendants)
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if( status.account.display_name.length > 0 ) {
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status.account.display_name = escapeHtml(status.account.display_name);
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status.account.display_name = emojify(status.account.display_name, status.account.emojis);
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} else {
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status.account.display_name = status.account.username;
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};
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let instance = "";
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if( status.account.acct.includes("@") ) {
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instance = status.account.acct.split("@")[1];
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} else {
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instance = "{{ .host }}";
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}
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const isReply = status.in_reply_to_id !== "{{ .id }}";
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let op = false;
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if( status.account.acct == "{{ .username }}" ) {
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op = true;
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}
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status.content = emojify(status.content, status.emojis);
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let avatarSource = document.createElement("source");
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avatarSource.setAttribute("srcset", escapeHtml(status.account.avatar));
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avatarSource.setAttribute("media", "(prefers-reduced-motion: no-preference)");
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let avatarImg = document.createElement("img");
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avatarImg.className = "avatar";
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avatarImg.setAttribute("src", escapeHtml(status.account.avatar_static));
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avatarImg.setAttribute("alt", `@${ status.account.username }@${ instance } avatar`);
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let avatarPicture = document.createElement("picture");
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avatarPicture.appendChild(avatarSource);
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avatarPicture.appendChild(avatarImg);
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let avatar = document.createElement("a");
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avatar.className = "avatar-link";
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avatar.setAttribute("href", status.account.url);
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avatar.setAttribute("rel", "external nofollow");
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avatar.setAttribute("title", `View profile at @${ status.account.username }@${ instance }`);
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avatar.appendChild(avatarPicture);
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let instanceBadge = document.createElement("a");
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instanceBadge.className = "instance";
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instanceBadge.setAttribute("href", status.account.url);
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instanceBadge.setAttribute("title", `@${ status.account.username }@${ instance }`);
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instanceBadge.setAttribute("rel", "external nofollow");
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instanceBadge.textContent = instance;
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let display = document.createElement("span");
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display.className = "display";
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display.setAttribute("itemprop", "author");
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display.setAttribute("itemtype", "http://schema.org/Person");
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display.innerHTML = status.account.display_name;
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let header = document.createElement("header");
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header.className = "author";
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header.appendChild(display);
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header.appendChild(instanceBadge);
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let permalink = document.createElement("a");
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permalink.setAttribute("href", status.url);
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permalink.setAttribute("itemprop", "url");
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permalink.setAttribute("title", `View comment at ${ instance }`);
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permalink.setAttribute("rel", "external nofollow");
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permalink.textContent = new Date( status.created_at ).toLocaleString('en-US', {
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dateStyle: "long",
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timeStyle: "short",
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});
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let timestamp = document.createElement("time");
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timestamp.setAttribute("datetime", status.created_at);
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timestamp.appendChild(permalink);
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let main = document.createElement("main");
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main.setAttribute("itemprop", "text");
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main.innerHTML = status.content;
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let interactions = document.createElement("footer");
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if(status.favourites_count > 0) {
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let faves = document.createElement("a");
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faves.className = "faves";
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faves.setAttribute("href", `${ status.url }/favourites`);
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faves.setAttribute("title", `Favorites from ${ instance }`);
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faves.textContent = status.favourites_count;
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interactions.appendChild(faves);
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}
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let comment = document.createElement("article");
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comment.id = `comment-${ status.id }`;
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comment.className = isReply ? "comment comment-reply" : "comment";
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comment.setAttribute("itemprop", "comment");
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comment.setAttribute("itemtype", "http://schema.org/Comment");
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comment.appendChild(avatar);
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comment.appendChild(header);
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comment.appendChild(timestamp);
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comment.appendChild(main);
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comment.appendChild(interactions);
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if(op === true) {
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comment.classList.add("op");
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avatar.classList.add("op");
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avatar.setAttribute(
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"title",
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"Blog post author; " + avatar.getAttribute("title")
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);
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instanceBadge.classList.add("op");
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instanceBadge.setAttribute(
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"title",
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"Blog post author: " + instanceBadge.getAttribute("title")
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);
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}
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commentsWrapper.innerHTML += DOMPurify.sanitize(comment.outerHTML);
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});
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}
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});
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}
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document.getElementById("load-comment").addEventListener("click", loadComments);
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</script>
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</section>
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{{ end }}
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