src/serviceWorker.js

@@ -16,8 +16,8 @@ const isLocalhost = Boolean(
     window.location.hostname === "[::1]" ||
     // 127.0.0.0/8 are considered localhost for IPv4.
     window.location.hostname.match(
-      /^127(?:\.(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}$/
-    )
+      /^127(?:\.(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}$/,
+    ),
 );
 
 export function register(config) {
@@ -43,7 +43,7 @@ export function register(config) {
         navigator.serviceWorker.ready.then(() => {
           console.log(
             "This web app is being served cache-first by a service " +
-              "worker. To learn more, visit https://bit.ly/CRA-PWA"
+              "worker. To learn more, visit https://bit.ly/CRA-PWA",
           );
         });
       } else {
@@ -71,7 +71,7 @@ function registerValidSW(swUrl, config) {
               // content until all client tabs are closed.
               console.log(
                 "New content is available and will be used when all " +
-                  "tabs for this page are closed. See https://bit.ly/CRA-PWA."
+                  "tabs for this page are closed. See https://bit.ly/CRA-PWA.",
               );
 
               // Execute callback
@@ -123,7 +123,7 @@ function checkValidServiceWorker(swUrl, config) {
     })
     .catch(() => {
       console.log(
-        "No internet connection found. App is running in offline mode."
+        "No internet connection found. App is running in offline mode.",
       );
     });
 }

src/stores.js

@@ -63,7 +63,7 @@ export const getGroupByCode = memoize(
   (groupMappings, groupCode) => {
     return groupMappings.find((gm) => gm.code === groupCode);
   },
-  (groupMappings, groupCode) => [groupMappings, groupCode]
+  (groupMappings, groupCode) => [groupMappings, groupCode],
 );
 
 export const getGroupsByCode = memoize((groupMappings, groupCodes) => {

src/utils.js

@@ -7,7 +7,8 @@ import WaitQueue from "wait-queue";
 
 import { markdownConverter } from "markdown";
 
-export const urlRegex = /^(?:(?:(?:https?|ftp):)?\/\/)(?:\S+(?::\S*)?@)?(?:(?!(?:10|127)(?:\.\d{1,3}){3})(?!(?:169\.254|192\.168)(?:\.\d{1,3}){2})(?!172\.(?:1[6-9]|2\d|3[0-1])(?:\.\d{1,3}){2})(?:[1-9]\d?|1\d\d|2[01]\d|22[0-3])(?:\.(?:1?\d{1,2}|2[0-4]\d|25[0-5])){2}(?:\.(?:[1-9]\d?|1\d\d|2[0-4]\d|25[0-4]))|(?:(?:[a-z0-9\u00a1-\uffff][a-z0-9\u00a1-\uffff_-]{0,62})?[a-z0-9\u00a1-\uffff]\.)+(?:[a-z\u00a1-\uffff]{2,}\.?))(?::\d{2,5})?(?:[/?#]\S*)?$/i;
+export const urlRegex =
+  /^(?:(?:(?:https?|ftp):)?\/\/)(?:\S+(?::\S*)?@)?(?:(?!(?:10|127)(?:\.\d{1,3}){3})(?!(?:169\.254|192\.168)(?:\.\d{1,3}){2})(?!172\.(?:1[6-9]|2\d|3[0-1])(?:\.\d{1,3}){2})(?:[1-9]\d?|1\d\d|2[01]\d|22[0-3])(?:\.(?:1?\d{1,2}|2[0-4]\d|25[0-5])){2}(?:\.(?:[1-9]\d?|1\d\d|2[0-4]\d|25[0-4]))|(?:(?:[a-z0-9\u00a1-\uffff][a-z0-9\u00a1-\uffff_-]{0,62})?[a-z0-9\u00a1-\uffff]\.)+(?:[a-z\u00a1-\uffff]{2,}\.?))(?::\d{2,5})?(?:[/?#]\S*)?$/i;
 export const seenPostsLSKey = "cf2021_seen_posts";
 export const seenAnnouncementsLSKey = "cf2021_seen_announcements";
 
@@ -38,7 +39,7 @@ export const filterPosts = (filters, allItems) => {
 
   if (!filters.showPendingProposals) {
     filteredItems = filteredItems.filter(
-      (item) => item.type === "post" || item.state !== "pending"
+      (item) => item.type === "post" || item.state !== "pending",
     );
   }
 
@@ -55,7 +56,7 @@ export const filterPosts = (filters, allItems) => {
  */
 export const updateWindowPosts = (state) => {
   state.window.items = filterPosts(state.filters, values(state.items)).map(
-    property("id")
+    property("id"),
   );
 };
 
@@ -168,7 +169,7 @@ export const parseRawAnnouncement = (rawAnnouncement) => {
     datetime: parse(
       rawAnnouncement.datetime,
       "yyyy-MM-dd HH:mm:ss",
-      new Date()
+      new Date(),
     ),
     type: announcementTypeMapping[rawAnnouncement.type],
     seen: isSeen(seenAnnouncementsLSKey, rawAnnouncement.id),
@@ -183,7 +184,7 @@ export const createSeenWriter = (localStorageKey) => {
   const seenWriterWorker = async () => {
     const id = await queue.shift();
     const seen = new Set(
-      (localStorage.getItem(localStorageKey) || "").split(",")
+      (localStorage.getItem(localStorageKey) || "").split(","),
     );
 
     seen.add(id);

src/ws/connection.js

@@ -103,7 +103,7 @@ export const connect = ({ url, onConnect }) => {
       });
       console.log(
         "[ws] Socket is closed. Reconnect will be attempted in 1 second.",
-        event.reason
+        event.reason,
       );
 
       clearInterval(keepAliveInterval);
@@ -114,7 +114,7 @@ export const connect = ({ url, onConnect }) => {
       console.error(
         "[ws] Socket encountered error: ",
         err.message,
-        "Closing socket"
+        "Closing socket",
       );
       ws.close();
       reject(err);

src/ws/handlers/announcements.js

@@ -10,7 +10,7 @@ export const handleAnnouncementChanged = (payload) => {
       if (has(payload, "content")) {
         state.items[payload.id].content = payload.content;
         state.items[payload.id].contentHtml = markdownConverter.makeHtml(
-          payload.content
+          payload.content,
         );
       }
       if (has(payload, "link")) {

src/ws/handlers/posts.js

 import has from "lodash/has";
+import throttle from "lodash/throttle";
 
 import { markdownConverter } from "markdown";
 import { PostStore } from "stores";
 import { parseRawPost, postsStateMapping, updateWindowPosts } from "utils";
 
+/**
+ * Re-apply sorting by rank but no more than once every 3 seconds.
+ */
+const sortOnRankThrottled = throttle(() => {
+  PostStore.update((state) => {
+    if (state.filters.sort === "byScore") {
+      updateWindowPosts(state);
+    }
+  });
+}, 5000);
+
 export const handlePostRanked = (payload) => {
   PostStore.update((state) => {
     if (state.items[payload.id]) {
@@ -12,12 +24,11 @@ export const handlePostRanked = (payload) => {
       state.items[payload.id].ranking.score =
         state.items[payload.id].ranking.likes -
         state.items[payload.id].ranking.dislikes;
-
-      if (state.filters.sort === "byScore") {
-        updateWindowPosts(state);
-      }
     }
   });
+
+  // Run sorting in a throttled manner.
+  sortOnRankThrottled();
 };
 
 export const handlePostChanged = (payload) => {
@@ -26,20 +37,20 @@ export const handlePostChanged = (payload) => {
       if (has(payload, "content")) {
         state.items[payload.id].content = payload.content;
         state.items[payload.id].contentHtml = markdownConverter.makeHtml(
-          payload.content
+          payload.content,
         );
         state.items[payload.id].modified = true;
       }
 
       if (has(payload, "state")) {
         state.items[payload.id].state = postsStateMapping[payload.state];
+        updateWindowPosts(state);
       }
 
       if (has(payload, "is_archived")) {
         state.items[payload.id].archived = payload.is_archived;
+        updateWindowPosts(state);
       }
-
-      updateWindowPosts(state);
     }
   });
 };

src/ws/handlers/program.js

 import has from "lodash/has";
 
+import { loadPosts } from "actions/posts";
 import { markdownConverter } from "markdown";
 import { ProgramStore } from "stores";
 
@@ -19,9 +20,18 @@ export const handleProgramEntryChanged = (payload) => {
       if (has(payload, "description")) {
         state.items[payload.id].description = payload.description;
         state.items[payload.id].htmlContent = markdownConverter.makeHtml(
-          payload.description
+          payload.description,
         );
       }
+
+      if (has(payload, "is_live") && payload.is_live) {
+        state.currentId = payload.id;
+      }
     }
   });
+
+  if (has(payload, "is_live") && payload.is_live) {
+    // Re-load posts - these are bound directly to the program schedule entry.
+    loadPosts.run({}, { respectCache: false });
+  }
 };