Remove the simple event shorthand

src/js/events/event.js

@@ -14,7 +14,6 @@ class MatrixEvent extends ElemJS {
 	// predicates
 
 	canGroup() {
-		//return this.data.type === "m.room.message"
 		return false
 	}
 
@@ -52,17 +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/message.js

@@ -8,7 +8,7 @@ const {MatrixEvent} = require("./event")
 const purifier = DOMPurify()
 
 purifier.addHook("uponSanitizeAttribute", (node, hookevent, config) => {
-	//If purifier already rejected an attribute there is no point in checking it
+	// If purifier already rejected an attribute there is no point in checking it
 	if (hookevent.keepAttr === false) return;
 
 	const allowedElementAttributes = {
@@ -24,8 +24,8 @@ purifier.addHook("uponSanitizeAttribute", (node, hookevent, config) => {
 	hookevent.keepAttr = allowed_attributes.indexOf(hookevent.attrName) > -1;
 })
 
-//Remove bad classes from our code element
 purifier.addHook("uponSanitizeElement", (node, hookevent, config) => {
+	// Remove bad classes from our code element
 	if (node.tagName == "CODE") {
 		node.classList.forEach(c => {
 			if (!c.startsWith("language-")) {
@@ -53,7 +53,7 @@ function cleanHTML(html) {
 	return purifier.sanitize(html)
 }
 
-//Here we put all the processing of the messages that isn't as likely to potentially lead to security issues
+// Here we put all the processing of the messages that isn't as likely to potentially lead to security issues
 function postProcessElements(rootNode) {
 	const element = rootNode.element
 	element.querySelectorAll("code").forEach((n) => rootNode.child(new HighlightedCode(n)))

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]
+