feat: add room mentions and clickable room/relay refs

src/app/editor/RoomReferenceExtension.ts

@@ -0,0 +1,42 @@
+import {mergeAttributes, Node} from "@tiptap/core"
+import {RoomReferenceNodeView} from "@app/editor/RoomReferenceNodeView"
+
+export const RoomReferenceExtension = Node.create({
+  name: "roomref",
+
+  atom: true,
+
+  inline: true,
+
+  group: "inline",
+
+  selectable: true,
+
+  priority: 1000,
+
+  addAttributes() {
+    return {
+      url: {default: undefined},
+      h: {default: undefined},
+    }
+  },
+
+  parseHTML() {
+    return [{tag: `span[data-type="${this.name}"]`}]
+  },
+
+  renderHTML({HTMLAttributes}) {
+    return ["span", mergeAttributes(HTMLAttributes, {"data-type": this.name}), "~"]
+  },
+
+  renderText({node}) {
+    const url = typeof node.attrs.url === "string" ? node.attrs.url : ""
+    const h = typeof node.attrs.h === "string" ? node.attrs.h : ""
+
+    return `${url}'${h}`
+  },
+
+  addNodeView() {
+    return RoomReferenceNodeView
+  },
+})