Feature/emojo support

CHANGELOG

@@ -1,3 +1,7 @@
+v3.8.2 - xx/08/2023
+- Add support to customized emojis
+- Javascript refactoring to allow multiple requests
+
 v3.8.1 - 14/08/2023
 - Show preview card from link, photo or video URL
 - Add description for the ALT attribute in images

README.md

@@ -83,7 +83,10 @@ hide_replies: false,
 // Hide preview for links. Default: don't hide
 hide_preview_link: false,
 
-// Converts Markdown symbol ">" at the beginning of a paragraph into a blockquote HTML tag (default: don't apply)
+// Show custom emojis available on the server. Default: show them
+show_emojos: true,
+
+// Converts Markdown symbol ">" at the beginning of a paragraph into a blockquote HTML tag. Default: don't apply
 markdown_blockquote: false,
 
 // Limit the text content to a maximum number of lines. Default: 0 (unlimited)

src/mastodon-timeline.css

@@ -1,4 +1,4 @@
-/* Mastodon embed feed timeline v3.8.1 */
+/* Mastodon embed feed timeline v3.8.2 */
 /* More info at: */
 /* https://gitlab.com/idotj/mastodon-embed-feed-timeline */
 
@@ -97,14 +97,14 @@ html[data-theme="dark"] {
 .mt-avatar {
   position: absolute;
   top: 1rem;
-  left: 5px;
+  left: 0.25rem;
   width: 3rem;
   height: 3rem;
   background-repeat: no-repeat;
   background-position: 50% 50%;
   background-size: contain;
   background-color: var(--bg-color);
-  border-radius: 5px;
+  border-radius: 0.25rem;
 }
 .mt-avatar-boosted {
   width: 2.5rem;
@@ -145,11 +145,16 @@ html[data-theme="dark"] {
 .toot-text:not(.truncate) .ellipsis::after {
   content: "...";
 }
-
 .toot-text blockquote {
-  border-left: 4px solid var(--line-gray-color);
+  border-left: 0.25rem solid var(--line-gray-color);
   margin-left: 0;
-  padding-left: 8px;
+  padding-left: 0.5rem;
+}
+.toot-text .custom-emoji {
+  height: 1.5rem;
+  min-width: 1.5rem;
+  margin-bottom: -0.25rem;
+  width: auto;
 }
 
 .mt-error {
@@ -164,13 +169,15 @@ html[data-theme="dark"] {
   padding: 0.75rem;
   text-align: center;
 }
-
 .mt-error-icon {
   font-size: 2rem;
 }
 .mt-error-message {
   padding: 1rem 0;
 }
+.mt-error-message hr {
+  color: var(--line-gray-color);
+}
 
 /* Poll */
 .toot-poll {

src/mastodon-timeline.js

@@ -1,5 +1,5 @@
 /**
- * Mastodon embed feed timeline v3.8.1
+ * Mastodon embed feed timeline v3.8.2
  * More info at:
  * https://gitlab.com/idotj/mastodon-embed-feed-timeline
  */
@@ -9,7 +9,7 @@
  * Adjust these parameters to customize your timeline
  */
 window.addEventListener("load", () => {
-  let mapi = new MastodonApi({
+  const customParams = new MastodonApi({
     // Id of the <div> containing the timeline
     container_body_id: "mt-body",
 
@@ -46,7 +46,10 @@ window.addEventListener("load", () => {
     // Hide preview card if toot contains a link, photo or video from a URL. Default: don't hide
     hide_preview_link: false,
 
-    // Converts Markdown symbol ">" at the beginning of a paragraph into a blockquote HTML tag (default: don't apply)
+    // Show custom emojis available on the server. Default: show them
+    show_emojos: true,
+
+    // Converts Markdown symbol ">" at the beginning of a paragraph into a blockquote HTML tag. Ddefault: don't apply
     markdown_blockquote: false,
 
     // Limit the text content to a maximum number of lines. Default: 0 (unlimited)
@@ -60,7 +63,6 @@ window.addEventListener("load", () => {
 /**
  * Set all variables with customized values or use default ones
  * @param {object} params_ User customized values
- * Trigger color theme function
  * Trigger main function to build the timeline
  */
 const MastodonApi = function (params_) {
@@ -83,93 +85,50 @@ const MastodonApi = function (params_) {
     typeof params_.hide_preview_link !== "undefined"
       ? params_.hide_preview_link
       : false;
+  this.SHOW_EMOJOS =
+    typeof params_.show_emojos !== "undefined" ? params_.show_emojos : true;
   this.MARKDOWN_BLOCKQUOTE =
     typeof params_.markdown_blockquote !== "undefined"
       ? params_.markdown_blockquote
       : false;
   this.TEXT_MAX_LINES = params_.text_max_lines || "0";
   this.LINK_SEE_MORE = params_.link_see_more;
+  this.FETCHED_DATA = {};
 
   this.mtBodyContainer = document.getElementById(params_.container_body_id);
 
-  this.setTheme();
-
   this.buildTimeline();
 };
 
 /**
- * Set the theme style choosen by user or browser/OS
+ * Trigger functions and construct timeline
  */
-MastodonApi.prototype.setTheme = function () {
-  /**
-   * Set the theme value in the <html> tag using the attribute "data-theme"
-   * @param {string} theme Type of theme to apply: dark or light
-   */
-  const setTheme = function (theme) {
-    document.documentElement.setAttribute("data-theme", theme);
-  };
+MastodonApi.prototype.buildTimeline = async function () {
+  // Apply color theme
+  this.setTheme();
 
-  if (this.DEFAULT_THEME === "auto") {
-    let systemTheme = window.matchMedia("(prefers-color-scheme: dark)");
-    systemTheme.matches ? setTheme("dark") : setTheme("light");
-    // Update the theme if user change browser/OS preference
-    systemTheme.addEventListener("change", (e) => {
-      e.matches ? setTheme("dark") : setTheme("light");
-    });
-  } else {
-    setTheme(this.DEFAULT_THEME);
-  }
-};
-
-/**
- * Listing toots function
- */
-MastodonApi.prototype.buildTimeline = function () {
-  let mapi = this;
-  let requestURL = "";
-
-  // Get request
-  if (this.TIMELINE_TYPE === "profile") {
-    requestURL = `${this.INSTANCE_URL}/api/v1/accounts/${this.USER_ID}/statuses?limit=${this.TOOTS_LIMIT}`;
-  } else if (this.TIMELINE_TYPE === "hashtag") {
-    requestURL = `${this.INSTANCE_URL}/api/v1/timelines/tag/${this.HASHTAG_NAME}?limit=${this.TOOTS_LIMIT}`;
-  } else if (this.TIMELINE_TYPE === "local") {
-    requestURL = `${this.INSTANCE_URL}/api/v1/timelines/public?local=true&limit=${this.TOOTS_LIMIT}`;
-  }
-
-  fetch(requestURL, {
-    method: "get",
-  })
-    .then((response) => {
-      if (response.ok) {
-        return response.json();
-      } else if (response.status === 404) {
-        throw new Error("404 Not found", { cause: response });
-      } else {
-        throw new Error(response.status);
-      }
-    })
-    .then((jsonData) => {
-      // console.log("jsonData: ", jsonData);
+  // Get server data
+  await this.getTimelineData();
 
   // Empty the <div> container
   this.mtBodyContainer.innerHTML = "";
 
-      for (let i in jsonData) {
+  for (let i in this.FETCHED_DATA.timeline) {
     // First filter (Public / Unlisted)
     if (
-          jsonData[i].visibility == "public" ||
-          (!this.HIDE_UNLISTED && jsonData[i].visibility == "unlisted")
+      this.FETCHED_DATA.timeline[i].visibility == "public" ||
+      (!this.HIDE_UNLISTED &&
+        this.FETCHED_DATA.timeline[i].visibility == "unlisted")
     ) {
       // Second filter (Reblog / Replies)
       if (
-            (mapi.HIDE_REBLOG && jsonData[i].reblog) ||
-            (mapi.HIDE_REPLIES && jsonData[i].in_reply_to_id)
+        (this.HIDE_REBLOG && this.FETCHED_DATA.timeline[i].reblog) ||
+        (this.HIDE_REPLIES && this.FETCHED_DATA.timeline[i].in_reply_to_id)
       ) {
         // Nothing here (Don't append toots)
       } else {
-            // Format and append toots
-            appendToot.call(mapi, jsonData[i], Number(i));
+        // Append toots
+        this.appendToot(this.FETCHED_DATA.timeline[i], Number(i));
       }
     }
   }
@@ -179,14 +138,14 @@ MastodonApi.prototype.buildTimeline = function () {
     this.mtBodyContainer.setAttribute("role", "none");
     this.mtBodyContainer.innerHTML =
       '<div class="mt-error"><span class="mt-error-icon">📭</span><br/><strong>Sorry, no toots to show</strong><br/><div class="mt-error-message">Got ' +
-          jsonData.length +
+      this.FETCHED_DATA.timeline.length +
       ' toots from the server but due to the "hide filters" applied, no toot is shown</div></div>';
   } else {
     // Insert link after last toot to visit Mastodon page
-        if (mapi.LINK_SEE_MORE) {
+    if (this.LINK_SEE_MORE) {
       let linkSeeMorePath = "";
       if (this.TIMELINE_TYPE === "profile") {
-            linkSeeMorePath = mapi.PROFILE_NAME;
+        linkSeeMorePath = this.PROFILE_NAME;
       } else if (this.TIMELINE_TYPE === "hashtag") {
         linkSeeMorePath = "tags/" + this.HASHTAG_NAME;
       } else if (this.TIMELINE_TYPE === "local") {
@@ -194,11 +153,11 @@ MastodonApi.prototype.buildTimeline = function () {
       }
       let linkSeeMore =
         '<div class="mt-footer"><a href="' +
-            mapi.INSTANCE_URL +
+        this.INSTANCE_URL +
         "/" +
         linkSeeMorePath +
         '" class="btn" target="_blank" rel="nofollow noopener noreferrer">' +
-            mapi.LINK_SEE_MORE +
+        this.LINK_SEE_MORE +
         "</a></div>";
       this.mtBodyContainer.parentNode.insertAdjacentHTML(
         "beforeend",
@@ -206,26 +165,6 @@ MastodonApi.prototype.buildTimeline = function () {
       );
     }
   }
-    })
-    .catch((err) => {
-      this.mtBodyContainer.innerHTML =
-        '<div class="mt-error"><span class="mt-error-icon">❌</span><br/><strong>Sorry, request failed:</strong><br/><div class="mt-error-message">' +
-        err +
-        "</div></div>";
-      this.mtBodyContainer.setAttribute("role", "none");
-    });
-
-  /**
-   * Inner function to add each toot in timeline container
-   * @param {object} c Toot content
-   * @param {number} i Index of toot
-   */
-  const appendToot = function (c, i) {
-    this.mtBodyContainer.insertAdjacentHTML(
-      "beforeend",
-      this.assambleToot(c, i)
-    );
-  };
 
   // Toot interactions
   this.mtBodyContainer.addEventListener("click", function (e) {
@@ -297,6 +236,108 @@ MastodonApi.prototype.buildTimeline = function () {
   };
 };
 
+/**
+ * Set the theme style chosen by the user or by the browser/OS
+ */
+MastodonApi.prototype.setTheme = function () {
+  /**
+   * Set the theme value in the <html> tag using the attribute "data-theme"
+   * @param {string} theme Type of theme to apply: dark or light
+   */
+  const setTheme = function (theme) {
+    document.documentElement.setAttribute("data-theme", theme);
+  };
+
+  if (this.DEFAULT_THEME === "auto") {
+    let systemTheme = window.matchMedia("(prefers-color-scheme: dark)");
+    systemTheme.matches ? setTheme("dark") : setTheme("light");
+    // Update the theme if user change browser/OS preference
+    systemTheme.addEventListener("change", (e) => {
+      e.matches ? setTheme("dark") : setTheme("light");
+    });
+  } else {
+    setTheme(this.DEFAULT_THEME);
+  }
+};
+
+/**
+ * Requests to the server to get all the data
+ */
+MastodonApi.prototype.getTimelineData = async function () {
+  return new Promise((resolve, reject) => {
+    /**
+     * Fetch data from server
+     * @param {string} url address to fetch
+     * @returns {object} List of objects
+     */
+    async function fetchData(url) {
+      const response = await fetch(url);
+
+      if (!response.ok) {
+        throw new Error(
+          "Failed to fetch the following URL: " +
+            url +
+            "<hr>" +
+            "Error status: " +
+            response.status +
+            "<hr>" +
+            "Error message: " +
+            response.statusText
+        );
+      }
+
+      const data = await response.json();
+      return data;
+    }
+
+    // URLs to fetch
+    let urls = {};
+    if (this.TIMELINE_TYPE === "profile") {
+      urls.timeline = `${this.INSTANCE_URL}/api/v1/accounts/${this.USER_ID}/statuses?limit=${this.TOOTS_LIMIT}`;
+    } else if (this.TIMELINE_TYPE === "hashtag") {
+      urls.timeline = `${this.INSTANCE_URL}/api/v1/timelines/tag/${this.HASHTAG_NAME}?limit=${this.TOOTS_LIMIT}`;
+    } else if (this.TIMELINE_TYPE === "local") {
+      urls.timeline = `${this.INSTANCE_URL}/api/v1/timelines/public?local=true&limit=${this.TOOTS_LIMIT}`;
+    }
+    if (this.SHOW_EMOJOS) {
+      urls.emojos = this.INSTANCE_URL + "/api/v1/custom_emojis";
+    }
+
+    const urlsPromises = Object.entries(urls).map(([key, url]) => {
+      return fetchData(url)
+        .then((data) => ({ [key]: data }))
+        .catch((error) => {
+          reject(new Error("Something went wrong fetching data"));
+          this.mtBodyContainer.innerHTML =
+            '<div class="mt-error"><span class="mt-error-icon">❌</span><br/><strong>Sorry, request failed:</strong><br/><div class="mt-error-message">' +
+            error.message +
+            "</div></div>";
+          this.mtBodyContainer.setAttribute("role", "none");
+          return { [key]: [] };
+        });
+    });
+
+    // Fetch all urls simultaneously
+    Promise.all(urlsPromises).then((dataObjects) => {
+      this.FETCHED_DATA = dataObjects.reduce((result, dataItem) => {
+        return { ...result, ...dataItem };
+      }, {});
+
+      // console.log("Timeline data: ", this.FETCHED_DATA);
+      resolve();
+    });
+  });
+};
+
+/**
+ * Inner function to add each toot in timeline container
+ * @param {object} c Toot content
+ * @param {number} i Index of toot
+ */
+MastodonApi.prototype.appendToot = function (c, i) {
+  this.mtBodyContainer.insertAdjacentHTML("beforeend", this.assambleToot(c, i));
+};
+
 /**
  * Build toot structure
  * @param {object} c Toot content
@@ -503,6 +544,11 @@ MastodonApi.prototype.formatTootText = function (c) {
   // Format hashtags and mentions
   content = this.addTarget2hashtagMention(content);
 
+  // Convert emojos shortcode into images
+  if (this.SHOW_EMOJOS) {
+    content = this.showEmojos(content, this.FETCHED_DATA.emojos);
+  }
+
   // Convert markdown styles into HTML
   if (this.MARKDOWN_BLOCKQUOTE) {
     content = this.replaceHTMLtag(
@@ -532,6 +578,28 @@ MastodonApi.prototype.addTarget2hashtagMention = function (c) {
   return content;
 };
 
+/**
+ * Find all custom emojis shortcode and replace by image
+ * @param {string} c Text content
+ * @param {array} e List with all custom emojis
+ * @returns {string} Text content modified
+ */
+MastodonApi.prototype.showEmojos = function (c, e) {
+  if (c.includes(":")) {
+    for (const emojo of e) {
+      const regex = new RegExp(`\\:${emojo.shortcode}\\:`, "g");
+      c = c.replace(
+        regex,
+        `<img src="${emojo.url}" class="custom-emoji" alt="Emoji ${emojo.shortcode}" />`
+      );
+    }
+
+    return c;
+  } else {
+    return c;
+  }
+};
+
 /**
  * Find all start/end <tags> and replace them by another start/end <tags>
  * @param {string} c Text content