From c996a944fe4c795470b603a750ef6f645f80dd88 Mon Sep 17 00:00:00 2001
From: Daniel Nalborczyk <dnalborczyk@gmail.com>
Date: Mon, 8 Jul 2019 08:55:06 -0400
Subject: [PATCH] Use constant for base url placeholder

---
 src/ApiGatewayWebSocket.js | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/ApiGatewayWebSocket.js b/src/ApiGatewayWebSocket.js
index a53c8dbda..58490abaf 100644
--- a/src/ApiGatewayWebSocket.js
+++ b/src/ApiGatewayWebSocket.js
@@ -13,6 +13,11 @@ const { createUniqueId, parseQueryStringParameters } = require('./utils');
 const authFunctionNameExtractor = require('./authFunctionNameExtractor');
 const wsHelpers = require('./websocketHelpers');
 
+// dummy placeholder url for the WHATWG URL constructor
+// https://github.com/nodejs/node/issues/12682
+// TODO move to common constants file
+const BASE_URL_PLACEHOLDER = 'http://example';
+
 module.exports = class ApiGatewayWebSocket {
   constructor(serverless, options) {
     this.serverless = serverless;
@@ -171,7 +176,7 @@ module.exports = class ApiGatewayWebSocket {
             only: true,
             initially: false,
             connect: ({ ws, req }) => {
-              const { searchParams } = new URL(req.url, `ws://${req.headers.host}`);
+              const { searchParams } = new URL(req.url, BASE_URL_PLACEHOLDER);
               const queryStringParameters = parseQueryStringParameters(
                 searchParams,
               );