fix: onMessage assignment should be undefined not null (#4131)

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Author: achingbrain

packages/ipfs-core/src/components/libp2p.js

@@ -129,7 +129,10 @@ function getLibp2pOptions ({ options, config, datastore, keychainConfig, peerId,
       })
     ],
     streamMuxers: [
-      new Mplex()
+      new Mplex({
+        // temporary fix until we can limit streams on a per-protocol basis
+        maxStreamsPerConnection: Infinity
+      })
     ],
     connectionEncryption: [
       NOISE

packages/ipfs-core/src/components/pubsub.js

@@ -98,7 +98,7 @@ export function createPubsub ({ network, config }) {
     // no more pubsub handlers, remove message listener
     if (Object.keys(handlers).length === 0) {
       libp2p.pubsub.removeEventListener('message', onMessage)
-      onMessage = null
+      onMessage = undefined
     }
   }