乱了, 懒得说是什么

client/ui/InnerTextContainerElement.ts

@@ -0,0 +1,24 @@
+export default class InnerTextContainerElement extends HTMLElement {
+    static observedAttributes = ['text']
+    declare textContainer: HTMLDivElement
+    declare slotContainer: HTMLSlotElement
+    declare text?: string
+    constructor() {
+        super()
+        this.attachShadow({ mode: 'open' })
+    }
+    connectedCallback() {
+        this.shadowRoot!.appendChild(document.createElement('slot'))
+    }
+    attributeChangedCallback(name: string, oldValue: string | null, newValue: string | null) {
+        if (this.textContainer == null) {
+            this.textContainer = document.createElement('div')
+            // 注意这里不能加到 shadow
+            this.appendChild(this.textContainer)
+            this.textContainer.style.display = 'none'
+        }
+        this.textContainer.innerText = newValue || ''
+    }
+}
+
+customElements.define('inner-text-container', InnerTextContainerElement)