Use socket instead of connection (#915)

* Use socket instead of connection

The request.connection and response.connection properties are now runtime deprecated.

* Update request-as-event-emitter.ts

* Switch to socket

* Add NodeJS 13

.travis.yml

@@ -1,5 +1,6 @@
 language: node_js
 node_js:
+  - '13'
   - '12'
   - '10'
 after_success:

source/request-as-event-emitter.ts

@@ -127,7 +127,8 @@ export default (options: NormalizedOptions, input?: TransformStream) => {
 				delete typedResponse.fromCache;
 
 				if (!typedResponse.isFromCache) {
-					typedResponse.ip = response.connection.remoteAddress;
+					// @ts-ignore Node typings haven't been updated yet
+					typedResponse.ip = response.socket.remoteAddress;
 				}
 
 				const rawCookies = typedResponse.headers['set-cookie'];

source/utils/types.ts

@@ -71,7 +71,7 @@ export interface Response extends http.IncomingMessage {
 // TODO: The `ResponseLike` type should be properly fixed instead:
 // https://github.com/sindresorhus/got/pull/827/files#r323633794
 export interface ResponseObject extends ResponseLike {
-	connection: {
+	socket: {
 		remoteAddress: string;
 	};
 }