Remove the simple event shorthand

src/js/events/event.js

@@ -51,17 +51,4 @@ class MatrixEvent extends ElemJS {
 	}
 }
 
-function simpleEvent(filter, render) {
-	return class extends MatrixEvent {
-		render() {
-			super.render()
-			return this.text(render(this.data))
-		}
-
-		static canRender(event) {
-			return filter(event)
-		}
-	}
-}
-
-module.exports = {MatrixEvent, simpleEvent}
+module.exports = {MatrixEvent}

src/js/events/membership.js

@@ -1,13 +1,47 @@
-const {simpleEvent} = require("./event")
+const {MatrixEvent} = require("./event")
 
-const UnknownMembership = simpleEvent((e) => e.type == "m.room.member", (e) => "unknown membership event")
-
-function createMembershipEvent(membership, message) {
-	return simpleEvent((e) => e.type == "m.room.member" && e.content.membership === membership, message)
+class MembershipEvent extends MatrixEvent {
+	static canRender(event) {
+		return event.type == "m.room.member"
+	}
 }
 
-const JoinedEvent = createMembershipEvent("join", (e) => "joined the room")
-const InvitedEvent = createMembershipEvent("invite", (e) => `invited ${e.content.displayname} the room`)
-const LeaveEvent = createMembershipEvent("leave", () => "left the room")
+
+class JoinedEvent extends MembershipEvent {
+	static canRender(event) {
+		return super.canRender(event) && event.content.membership === "join"
+	}
+	render() {
+		super.render()
+		return this.text("joined the room")
+	}
+}
+
+class InvitedEvent extends MembershipEvent {
+	static canRender(event) {
+		return super.canRender(event) && event.content.membership === "invite"
+	}
+	render() {
+		super.render()
+		return this.text(`invited ${this.data.content.displayname}`)
+	}
+}
+
+class LeaveEvent extends MembershipEvent {
+	static canRender(event) {
+		return super.canRender(event) && event.content.membership === "leave"
+	}
+	render() {
+		super.render()
+		return this.text(`left the room`)
+	}
+}
+
+class UnknownMembership extends MembershipEvent {
+	render() {
+		super.render()
+		return this.text("unknown membership event")
+	}
+}
 
 module.exports = [JoinedEvent, InvitedEvent, LeaveEvent, UnknownMembership]

src/js/events/unknown.js

@@ -1,3 +1,13 @@
-const {simpleEvent} = require("./event")
-const UnknownEvent = simpleEvent(() => true, () => "Cannot render event")
+const {MatrixEvent} = require("./event")
+
+class UnknownEvent extends MatrixEvent {
+	static canRender() {
+		return true
+	}
+	render() {
+		super.render()
+		return this.text(`cannot render event`)
+	}
+}
 module.exports = [UnknownEvent]
+