Add back strict null checks to react-shared package and fix issues

1 files changed, 1 insertions, 1 deletions

diff --git a/packages/react-shared/src/ts/utils/utils.ts b/packages/react-shared/src/ts/utils/utils.ts
index ebe896bbc..9e848392f 100644
--- a/packages/react-shared/src/ts/utils/utils.ts
+++ b/packages/react-shared/src/ts/utils/utils.ts
@@ -30,7 +30,7 @@ export const utils = {
         const id = name.replace(/ /g, '-');
         return id;
     },
-    getEtherScanLinkIfExists(addressOrTxHash: string, networkId: number, suffix: EtherscanLinkSuffixes): string {
+    getEtherScanLinkIfExists(addressOrTxHash: string, networkId: number, suffix: EtherscanLinkSuffixes): string|undefined {
         const networkName = constants.NETWORK_NAME_BY_ID[networkId];
         if (_.isUndefined(networkName)) {
             return undefined;