const {simpleEvent} = 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) } const JoinedEvent = createMembershipEvent("join", (e) => {console.log(e); return "joined the room"}) const InvitedEvent = createMembershipEvent("invite", (e) => `invited ${e.content.displayname} the room`) const LeaveEvent = createMembershipEvent("leave", () => "left the room") module.exports = [JoinedEvent, InvitedEvent, LeaveEvent, UnknownMembership]