From 4ad1ee4532566234ccd4f4172bc5d6d15be29158 Mon Sep 17 00:00:00 2001
From: Volker Mische <volker.mische@gmail.com>
Date: Wed, 20 Feb 2019 16:37:22 +0100
Subject: [PATCH] fix: error if loadFormat() is not a function

Previously it was only erroring when it was undefined.
---
 src/index.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/index.js b/src/index.js
index 2fcf8b6..6965f87 100644
--- a/src/index.js
+++ b/src/index.js
@@ -25,7 +25,7 @@ class IPLDResolver {
     // Object with current list of active resolvers
     this.resolvers = {}
 
-    if (options.loadFormat === undefined) {
+    if (typeof options.loadFormat !== 'function') {
       this.loadFormat = async (codec) => {
         const codecName = multicodec.print[codec]
         throw new Error(`No resolver found for codec "${codecName}"`)