fix: deduplicate typed event target (#3170)

Re-use main-event implementation to reduce bundle sizes slightly.

Author: achingbrain

packages/integration-tests/package.json

@@ -70,6 +70,7 @@
     "it-map": "^3.1.3",
     "it-pipe": "^3.0.1",
     "libp2p": "^2.8.8",
+    "main-event": "^1.0.1",
     "multiformats": "^13.3.6",
     "p-defer": "^4.0.1",
     "p-event": "^6.0.1",

packages/integration-tests/test/bootstrap.spec.ts

@@ -2,14 +2,15 @@
 
 import { bootstrap } from '@libp2p/bootstrap'
 import { generateKeyPair } from '@libp2p/crypto/keys'
-import { TypedEventEmitter, peerDiscoverySymbol } from '@libp2p/interface'
+import { peerDiscoverySymbol } from '@libp2p/interface'
 import { mplex } from '@libp2p/mplex'
 import { peerIdFromPrivateKey } from '@libp2p/peer-id'
 import { plaintext } from '@libp2p/plaintext'
 import { webSockets } from '@libp2p/websockets'
 import { multiaddr } from '@multiformats/multiaddr'
 import { expect } from 'aegir/chai'
 import { createLibp2p } from 'libp2p'
+import { TypedEventEmitter } from 'main-event'
 import defer from 'p-defer'
 import sinon from 'sinon'
 import type { Libp2p, PeerDiscovery, PeerDiscoveryEvents, PeerId } from '@libp2p/interface'

packages/interface-compliance-tests/package.json

@@ -126,6 +126,7 @@
     "it-stream-types": "^2.0.2",
     "it-to-buffer": "^4.0.9",
     "libp2p": "^2.8.8",
+    "main-event": "^1.0.1",
     "p-defer": "^4.0.1",
     "p-event": "^6.0.1",
     "p-limit": "^6.2.0",

packages/interface-compliance-tests/src/mocks/connection-manager.ts

@@ -3,10 +3,11 @@ import { PeerMap } from '@libp2p/peer-collections'
 import { peerIdFromString } from '@libp2p/peer-id'
 import { isMultiaddr } from '@multiformats/multiaddr'
 import { connectionPair } from './connection.js'
-import type { PrivateKey, PeerId, ComponentLogger, Libp2pEvents, PendingDial, Connection, TypedEventTarget, PubSub, Startable } from '@libp2p/interface'
+import type { PrivateKey, PeerId, ComponentLogger, Libp2pEvents, PendingDial, Connection, PubSub, Startable } from '@libp2p/interface'
 import type { ConnectionManager, Registrar } from '@libp2p/interface-internal'
 import type { Multiaddr } from '@multiformats/multiaddr'
 import type { AbortOptions } from 'it-pushable'
+import type { TypedEventTarget } from 'main-event'
 
 export interface MockNetworkComponents {
   peerId: PeerId

packages/interface-compliance-tests/src/mocks/upgrader.ts

@@ -1,8 +1,9 @@
-import { setMaxListeners } from '@libp2p/interface'
 import { anySignal } from 'any-signal'
+import { setMaxListeners } from 'main-event'
 import { mockConnection } from './connection.js'
-import type { Libp2pEvents, Connection, MultiaddrConnection, TypedEventTarget, Upgrader, UpgraderOptions, ClearableSignal, ConnectionEncrypter, StreamMuxerFactory } from '@libp2p/interface'
+import type { Libp2pEvents, Connection, MultiaddrConnection, Upgrader, UpgraderOptions, ClearableSignal, ConnectionEncrypter, StreamMuxerFactory } from '@libp2p/interface'
 import type { Registrar } from '@libp2p/interface-internal'
+import type { TypedEventTarget } from 'main-event'
 
 export interface MockUpgraderInit {
   registrar?: Registrar

packages/interface-compliance-tests/src/pubsub/utils.ts

@@ -1,7 +1,7 @@
 import { generateKeyPair } from '@libp2p/crypto/keys'
-import { TypedEventEmitter } from '@libp2p/interface'
 import { defaultLogger } from '@libp2p/logger'
 import { peerIdFromPrivateKey } from '@libp2p/peer-id'
+import { TypedEventEmitter } from 'main-event'
 import { pEvent } from 'p-event'
 import pWaitFor from 'p-wait-for'
 import { mockConnectionManager, mockRegistrar, mockNetwork } from '../mocks/index.js'

packages/interface/package.json

@@ -44,18 +44,13 @@
     "@multiformats/multiaddr": "^12.4.0",
     "it-pushable": "^3.2.3",
     "it-stream-types": "^2.0.2",
+    "main-event": "^1.0.1",
     "multiformats": "^13.3.6",
     "progress-events": "^1.0.1",
     "uint8arraylist": "^2.4.8"
   },
   "devDependencies": {
     "aegir": "^47.0.14"
   },
-  "browser": {
-    "./dist/src/events.js": "./dist/src/events.browser.js"
-  },
-  "react-native": {
-    "./dist/src/events.js": "./dist/src/events.browser.js"
-  },
   "sideEffects": false
 }