TODO: 推翻整个项目重新建立根基

client/ui/chat-elements/chat-mention.ts

@@ -0,0 +1,60 @@
+import { $ } from 'mdui'
+import showSnackbar from "../../utils/showSnackbar.ts";
+customElements.define('chat-mention', class extends HTMLElement {
+    declare link: HTMLAnchorElement
+    static observedAttributes = ['user-id']
+    constructor() {
+        super()
+
+        this.attachShadow({ mode: 'open' })
+    }
+    connectedCallback() {
+        const shadow = this.shadowRoot as ShadowRoot
+
+        this.link = document.createElement('a')
+        this.link.style.fontSynthesis = 'style weight'
+        this.link.style.color = 'rgb(var(--mdui-color-primary))'
+        this.link.href = 'javascript:void(0)'
+        shadow.appendChild(this.link)
+
+        this.update()
+    }
+    attributeChangedCallback(_name: string, _oldValue: unknown, _newValue: unknown) {
+        this.update()
+    }
+    async update() {
+        if (this.link == null) return
+
+        const userId = $(this).attr('user-id')
+        const chatId = $(this).attr('chat-id')
+        const text = $(this).attr('text')
+        this.link.style.fontStyle = ''
+        if (chatId) {
+            
+            this.link.onclick = (e) => {
+                e.stopPropagation()
+                // deno-lint-ignore no-window
+                
+            }
+        } else if (userId) {
+           
+            this.link.onclick = (e) => {
+                e.stopPropagation()
+                // deno-lint-ignore no-window
+                
+            }
+        }
+        
+        text && (this.link.textContent = text)
+        if (!(userId || chatId)) {
+            this.link.textContent = "无效的提及"
+            this.link.style.fontStyle = 'italic'
+            this.link.onclick = (e) => {
+                e.stopPropagation()
+                showSnackbar({
+                    message: "该提及没有指定用户或者对话！",
+                })
+            }
+        }
+    }
+})