fix(topology): set max listeners to infinity for db event relay

mbroadst · mbroadst · commit edb1335f9dd8 · 2019-11-06T07:45:27.000-05:00
We relay topology events on the `Db` class for legacy compat, so we need to remove limitations on max listeners in case users are operating across many instances. NODE-2123
diff --git a/lib/core/sdam/topology.js b/lib/core/sdam/topology.js
@@ -211,6 +211,9 @@ class Topology extends EventEmitter {
 
       this.on('topologyDescriptionChanged', this.s.detectTopologyDescriptionChange);
     }
+
+    // NOTE: remove this when NODE-1709 is resolved
+    this.setMaxListeners(Infinity);
   }
 
   /**

Original file line number	Diff line number	Diff line change
`@@ -211,6 +211,9 @@ class Topology extends EventEmitter {`
`211`	`211`
`212`	`212`	`this.on('topologyDescriptionChanged', this.s.detectTopologyDescriptionChange);`
`213`	`213`	`}`
	`214`	`+`
	`215`	`+ // NOTE: remove this when NODE-1709 is resolved`
	`216`	`+ this.setMaxListeners(Infinity);`
`214`	`217`	`}`
`215`	`218`
`216`	`219`	`/**`