convert *EventMap types to interfaces

this allows me to link to the documentation of each of their properties

I don’t really understand why `extends EventMap` fixes the compiler
error I get without this, nor whether it’s the best solution.

src/Cursors.ts

@@ -8,6 +8,7 @@ import EventEmitter, {
   inspect,
   type EventKey,
   type EventListener,
+  type EventMap,
 } from './utilities/EventEmitter.js';
 import CursorHistory from './CursorHistory.js';
 import { CURSOR_UPDATE } from './CursorConstants.js';
@@ -16,9 +17,9 @@ import type { CursorsOptions, CursorUpdate } from './types.js';
 import type { RealtimeMessage } from './utilities/types.js';
 import { ERR_NOT_ENTERED_SPACE } from './Errors.js';
 
-export type CursorsEventMap = {
+export interface CursorsEventMap extends EventMap {
   update: CursorUpdate;
-};
+}
 
 const CURSORS_CHANNEL_TAG = '::$cursors';
 

src/Locations.ts

@@ -5,6 +5,7 @@ import EventEmitter, {
   inspect,
   type EventKey,
   type EventListener,
+  type EventMap,
 } from './utilities/EventEmitter.js';
 
 import type { SpaceMember } from './types.js';
@@ -20,9 +21,9 @@ export namespace LocationsEvents {
   }
 }
 
-export type LocationsEventMap = {
+export interface LocationsEventMap extends EventMap {
   update: LocationsEvents.UpdateEvent;
-};
+}
 
 /**
  * <!-- BEGIN WEBSITE DOCUMENTATION (https://github.com/ably/docs/blob/14acea6dee7bf3872a3d32d43732f934cbe93a7d/content/spaces/locations.textile?plain=1#L9-L11) -->

src/Locks.ts

@@ -9,6 +9,7 @@ import EventEmitter, {
   inspect,
   type EventKey,
   type EventListener,
+  type EventMap,
 } from './utilities/EventEmitter.js';
 
 /**
@@ -30,9 +31,9 @@ export interface LockOptions {
   attributes: LockAttributes;
 }
 
-export type LocksEventMap = {
+export interface LocksEventMap extends EventMap {
   update: Lock;
-};
+}
 
 /**
  * <!-- BEGIN WEBSITE DOCUMENTATION (https://github.com/ably/docs/blob/14acea6dee7bf3872a3d32d43732f934cbe93a7d/content/spaces/locking.textile?plain=1#L9-L37) -->

src/Members.ts

@@ -3,20 +3,21 @@ import EventEmitter, {
   inspect,
   type EventKey,
   type EventListener,
+  type EventMap,
 } from './utilities/EventEmitter.js';
 import Leavers from './Leavers.js';
 
 import type { SpaceMember } from './types.js';
 import type { PresenceMember } from './utilities/types.js';
 import type Space from './Space.js';
 
-export type MembersEventMap = {
+export interface MembersEventMap extends EventMap {
   leave: SpaceMember;
   enter: SpaceMember;
   update: SpaceMember;
   updateProfile: SpaceMember;
   remove: SpaceMember;
-};
+}
 
 /**
  * <!-- BEGIN WEBSITE DOCUMENTATION (https://github.com/ably/docs/blob/14acea6dee7bf3872a3d32d43732f934cbe93a7d/content/spaces/avatar.textile?plain=1#L9-L24) -->

src/Space.ts

@@ -6,6 +6,7 @@ import EventEmitter, {
   inspect,
   type EventKey,
   type EventListener,
+  type EventMap,
 } from './utilities/EventEmitter.js';
 import Locations from './Locations.js';
 import Cursors from './Cursors.js';
@@ -36,9 +37,9 @@ export namespace SpaceEvents {
   }
 }
 
-export type SpaceEventMap = {
+export interface SpaceEventMap extends EventMap {
   update: SpaceEvents.UpdateEvent;
-};
+}
 
 /**
  * <!-- BEGIN WEBSITE DOCUMENTATION (https://github.com/ably/docs/blob/14acea6dee7bf3872a3d32d43732f934cbe93a7d/content/spaces/space.textile?plain=1#L9-L22) -->