Add missing undefined check

2018-07-04 16:34:03 +02:00
parent 8ff17ff960
commit 4e783fba57
1 changed files with 1 additions and 0 deletions
--- a/packages/website/ts/blockchain.ts
+++ b/packages/website/ts/blockchain.ts
@@ -102,6 +102,7 @@ export class Blockchain {
        // Our core assumptions about the injected web3 object is that it has the following
        // properties and methods.
        if (
+            _.isUndefined(injectedWeb3IfExists) ||
            _.isUndefined(injectedWeb3IfExists.version) ||
            _.isUndefined(injectedWeb3IfExists.version.getNetwork) ||
            _.isUndefined(injectedWeb3IfExists.currentProvider)