Update.

src/snek/static/message-list.js

@@ -7,38 +7,40 @@
 // MIT License: This is free software. Permission is granted to use, copy, modify, and/or distribute this software for any purpose with or without fee. The software is provided "as is" without any warranty.
 import { app } from "./app.js";
 
-const LONG_TIME = 1000 * 60 * 20
+const LONG_TIME = 1000 * 60 * 20;
 
 export class ReplyEvent extends Event {
   constructor(messageTextTarget) {
     super('reply', { bubbles: true, composed: true });
     this.messageTextTarget = messageTextTarget;
 
+    // Clone and sanitize message node to text-only reply
     const newMessage = messageTextTarget.cloneNode(true);
-      newMessage.style.maxHeight = "0"
+    newMessage.style.maxHeight = "0";
     messageTextTarget.parentElement.insertBefore(newMessage, messageTextTarget);
 
-      newMessage.querySelectorAll('.embed-url-link').forEach(link => {
+    // Remove all .embed-url-link
-        link.remove()
+    newMessage.querySelectorAll('.embed-url-link').forEach(link => link.remove());
-      })
 
+    // Replace <picture> with their <img>
     newMessage.querySelectorAll('picture').forEach(picture => {
       const img = picture.querySelector('img');
-        if (img) {
+      if (img) picture.replaceWith(img);
-          picture.replaceWith(img);
+    });
-        }
-      })
 
+    // Replace <img> with just their src
     newMessage.querySelectorAll('img').forEach(img => {
       const src = img.src || img.currentSrc;
       img.replaceWith(document.createTextNode(src));
-      })
+    });
 
+    // Replace <iframe> with their src
     newMessage.querySelectorAll('iframe').forEach(iframe => {
       const src = iframe.src || iframe.currentSrc;
       iframe.replaceWith(document.createTextNode(src));
-      })
+    });
 
+    // Replace <a> with href or markdown
     newMessage.querySelectorAll('a').forEach(a => {
       const href = a.getAttribute('href');
       const text = a.innerText || a.textContent;
@@ -47,22 +49,21 @@ export class ReplyEvent extends Event {
       } else {
         a.replaceWith(document.createTextNode(`[${text}](${href})`));
       }
-      })
+    });
 
     this.replyText = newMessage.innerText.replaceAll("\n\n", "\n").trim();
-      newMessage.remove()
+    newMessage.remove();
   }
 }
 
 class MessageElement extends HTMLElement {
-  // static observedAttributes = ['data-uid', 'data-color', 'data-channel_uid', 'data-user_nick', 'data-created_at', 'data-user_uid'];
-
   updateUI() {
     if (this._originalChildren === undefined) {
       const { color, user_nick, created_at, user_uid } = this.dataset;
       this.classList.add('message');
       this.style.maxWidth = '100%';
       this._originalChildren = Array.from(this.children);
+
       this.innerHTML = `
         <a class="avatar" style="background-color: ${color || ''}; color: black;" href="/user/${user_uid || ''}.html">
           <img class="avatar-img" width="40" height="40" src="/avatar/${user_uid || ''}.svg" alt="${user_nick || ''}" loading="lazy">
@@ -72,12 +73,12 @@ class MessageElement extends HTMLElement {
           <div class="text"></div>
           <div class="time no-select" data-created_at="${created_at || ''}">
             <span></span>
-            <a href="#reply">reply</a></div>
+            <a href="#reply">reply</a>
+          </div>
         </div>
       `;
 
       this.messageDiv = this.querySelector('.text');
-
       if (this._originalChildren && this._originalChildren.length > 0) {
         this._originalChildren.forEach(child => {
           this.messageDiv.appendChild(child);
@@ -90,9 +91,10 @@ class MessageElement extends HTMLElement {
       this.replyDiv.addEventListener('click', (e) => {
         e.preventDefault();
         this.dispatchEvent(new ReplyEvent(this.messageDiv));
-        })
+      });
     }
 
+    // Sibling logic for user switches and long time gaps
     if ((!this.siblingGenerated || this.siblingGenerated !== this.nextElementSibling) && this.nextElementSibling) {
       this.siblingGenerated = this.nextElementSibling;
       if (this.nextElementSibling?.dataset?.user_uid !== this.dataset.user_uid) {
@@ -115,7 +117,7 @@ class MessageElement extends HTMLElement {
 
   updateMessage(...messages) {
     if (this._originalChildren) {
-      this.messageDiv.replaceChildren(...messages)
+      this.messageDiv.replaceChildren(...messages);
       this._originalChildren = messages;
     }
   }
@@ -124,20 +126,50 @@ class MessageElement extends HTMLElement {
     this.updateUI();
   }
 
-  disconnectedCallback() {
+  disconnectedCallback() {}
-  }
+  connectedMoveCallback() {}
-
-  connectedMoveCallback() {
-  }
 
   attributeChangedCallback(name, oldValue, newValue) {
-    this.updateUI()
+    this.updateUI();
   }
 }
 
 class MessageList extends HTMLElement {
   constructor() {
     super();
+    this.messageMap = new Map();
+    this.visibleSet = new Set();
+
+    this._observer = new IntersectionObserver((entries) => {
+      entries.forEach((entry) => {
+        if (entry.isIntersecting) {
+          this.visibleSet.add(entry.target);
+          if (entry.target instanceof MessageElement) {
+            entry.target.updateUI();
+          }
+        } else {
+          this.visibleSet.delete(entry.target);
+        }
+      });
+    }, {
+      root: this,
+      threshold: 0,
+    });
+
+    // End-of-messages marker
+    this.endOfMessages = document.createElement('div');
+    this.endOfMessages.classList.add('message-list-bottom');
+    this.prepend(this.endOfMessages);
+
+    // Observe existing children and index by uid
+    for (const c of this.children) {
+      this._observer.observe(c);
+      if (c instanceof MessageElement) {
+        this.messageMap.set(c.dataset.uid, c);
+      }
+    }
+
+    // Wire up socket events
     app.ws.addEventListener("update_message_text", (data) => {
       if (this.messageMap.has(data.uid)) {
         this.upsertMessage(data);
@@ -147,45 +179,17 @@ class MessageList extends HTMLElement {
       this.triggerGlow(data.user_uid, data.color);
     });
 
-    this.messageMap = new Map();
-    this.visibleSet = new Set();
-    this._observer = new IntersectionObserver((entries) => {
-      entries.forEach((entry) => {
-        if (entry.isIntersecting) {
-          this.visibleSet.add(entry.target);
-          const messageElement = entry.target;
-          if (messageElement instanceof MessageElement) {
-              messageElement.updateUI();
-          }
-        } else {
-          this.visibleSet.delete(entry.target);
-        }
-      });
-    }, {
-      root: this,
-      threshold: 0,
-    })
-
-    this.endOfMessages = document.createElement('div');
-    this.endOfMessages.classList.add('message-list-bottom');
-    this.prepend(this.endOfMessages);
-
-    for(const c of this.children) {
-      this._observer.observe(c);
-      if (c instanceof MessageElement) {
-          this.messageMap.set(c.dataset.uid, c);
-      }
-    }
-
     this.scrollToBottom(true);
   }
 
   connectedCallback() {
     this.addEventListener('click', (e) => {
-      if (e.target.tagName !== 'IMG' || e.target.classList.contains('avatar-img')) return;
+      if (
+        e.target.tagName !== 'IMG' ||
+        e.target.classList.contains('avatar-img')
+      ) return;
 
       const img = e.target;
-
       const overlay = document.createElement('div');
       overlay.style.cssText = 'position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.9);display:flex;justify-content:center;align-items:center;z-index:9999;cursor:pointer;';
 
@@ -206,12 +210,11 @@ class MessageList extends HTMLElement {
 
       overlay.appendChild(fullImg);
       document.body.appendChild(overlay);
+
       overlay.addEventListener('click', () => {
-        if (overlay.parentNode) {
+        if (overlay.parentNode) overlay.parentNode.removeChild(overlay);
-          overlay.parentNode.removeChild(overlay);
-        }
       });
-      // Optional: ESC key closes overlay
+      // ESC to close
       const escListener = (evt) => {
         if (evt.key === 'Escape') {
           if (overlay.parentNode) overlay.parentNode.removeChild(overlay);
@@ -219,8 +222,9 @@ class MessageList extends HTMLElement {
         }
       };
       document.addEventListener('keydown', escListener);
-    })
+    });
   }
+
   isElementVisible(element) {
     if (!element) return false;
     const rect = element.getBoundingClientRect();
@@ -231,9 +235,11 @@ class MessageList extends HTMLElement {
       rect.right <= (window.innerWidth || document.documentElement.clientWidth)
     );
   }
+
   isScrolledToBottom() {
-    return this.visibleSet.has(this.endOfMessages)
+    return this.visibleSet.has(this.endOfMessages);
   }
+
   scrollToBottom(force = false, behavior = 'instant') {
     if (force || !this.isScrolledToBottom()) {
       this.endOfMessages.scrollIntoView({ behavior, block: 'end' });
@@ -261,13 +267,12 @@ class MessageList extends HTMLElement {
     }
   }
 
-
   updateTimes() {
     this.visibleSet.forEach((messageElement) => {
       if (messageElement instanceof MessageElement) {
         messageElement.updateUI();
       }
-    })
+    });
   }
 
   upsertMessage(data) {
@@ -275,16 +280,16 @@ class MessageList extends HTMLElement {
     if (message) {
       message.parentElement?.removeChild(message);
     }
-
+    if (!data.message) return;
-    if (!data.message) return
 
     const wrapper = document.createElement("div");
-
     wrapper.innerHTML = data.html;
 
     if (message) {
+      // If the old element is already custom, only update its message children
       message.updateMessage(...(wrapper.firstElementChild._originalChildren || wrapper.firstElementChild.children));
     } else {
+      // If not, insert the new one and observe
       message = wrapper.firstElementChild;
       this.messageMap.set(data.uid, message);
       this._observer.observe(message);
@@ -298,3 +303,4 @@ class MessageList extends HTMLElement {
 
 customElements.define("chat-message", MessageElement);
 customElements.define("message-list", MessageList);
+

src/snek/webdav.py

@@ -188,6 +188,7 @@ class WebdavApplication(aiohttp.web.Application):
         headers = {
             "DAV": "1, 2",
             "Allow": "OPTIONS, GET, PUT, DELETE, MKCOL, MOVE, COPY, PROPFIND, PROPPATCH, PROPGET, PROPSET, PROPDEL",
+            "MS-Author-Via": "DAV",
         }
         return aiohttp.web.Response(status=200, headers=headers)