check to make sure we are using valid http2 lib

AndrewBarba · Aug 31, 2017 · 6fc9081 · 6fc9081
1 parent 223a12e
commit 6fc9081
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/lib/http2-client.js b/lib/http2-client.js
@@ -1,6 +1,9 @@
 const { URL } = require('url')
-const http2 = require('http2')
 const Promise = require('bluebird')
+const http2 = require('http2')
+
+// Check to make sure this is the native http2
+if (!http2.constants || !http2.constants.NGHTTP2_SESSION_CLIENT) throw new Error('Invalid http2 library')
 
 const {
   HTTP2_HEADER_METHOD,