Add missing type definitions

2 files changed, 9 insertions, 9 deletions

diff --git a/packages/website/ts/local_storage/local_storage.ts b/packages/website/ts/local_storage/local_storage.ts
index d94e6877b..20a533a91 100644
--- a/packages/website/ts/local_storage/local_storage.ts
+++ b/packages/website/ts/local_storage/local_storage.ts
@@ -1,7 +1,7 @@
 import * as _ from 'lodash';
 
 export const localStorage = {
-    doesExist() {
+    doesExist(): boolean {
         return !!window.localStorage;
     },
     getItemIfExists(key: string): string {
@@ -14,13 +14,13 @@ export const localStorage = {
         }
         return item;
     },
-    setItem(key: string, value: string) {
+    setItem(key: string, value: string): void {
         if (!this.doesExist || _.isUndefined(value)) {
             return;
         }
         window.localStorage.setItem(key, value);
     },
-    removeItem(key: string) {
+    removeItem(key: string): void {
         if (!this.doesExist) {
             return;
         }
diff --git a/packages/website/ts/local_storage/trade_history_storage.tsx b/packages/website/ts/local_storage/trade_history_storage.tsx
index df731236e..cc764d98e 100644
--- a/packages/website/ts/local_storage/trade_history_storage.tsx
+++ b/packages/website/ts/local_storage/trade_history_storage.tsx
@@ -14,7 +14,7 @@ export const tradeHistoryStorage = {
     // Clear all fill related localStorage if we've updated the config variable in an update
     // that introduced a backward incompatible change requiring the user to re-fetch the fills from
     // the blockchain
-    clearIfRequired() {
+    clearIfRequired(): void {
         const lastClearFillDate = localStorage.getItemIfExists(FILL_CLEAR_KEY);
         if (lastClearFillDate !== configs.LAST_LOCAL_STORAGE_FILL_CLEARANCE_DATE) {
             const localStorageKeys = localStorage.getAllKeys();
@@ -26,7 +26,7 @@ export const tradeHistoryStorage = {
         }
         localStorage.setItem(FILL_CLEAR_KEY, configs.LAST_LOCAL_STORAGE_FILL_CLEARANCE_DATE);
     },
-    addFillToUser(userAddress: string, networkId: number, fill: Fill) {
+    addFillToUser(userAddress: string, networkId: number, fill: Fill): void {
         const fillsByHash = this.getUserFillsByHash(userAddress, networkId);
         const fillHash = this._getFillHash(fill);
         const doesFillExist = !_.isUndefined(fillsByHash[fillHash]);
@@ -38,7 +38,7 @@ export const tradeHistoryStorage = {
         const userFillsKey = this._getUserFillsKey(userAddress, networkId);
         localStorage.setItem(userFillsKey, userFillsJSONString);
     },
-    removeFillFromUser(userAddress: string, networkId: number, fill: Fill) {
+    removeFillFromUser(userAddress: string, networkId: number, fill: Fill): void {
         const fillsByHash = this.getUserFillsByHash(userAddress, networkId);
         const fillHash = this._getFillHash(fill);
         const doesFillExist = !_.isUndefined(fillsByHash[fillHash]);
@@ -74,15 +74,15 @@ export const tradeHistoryStorage = {
         const blockNumber = _.parseInt(blockNumberStr);
         return blockNumber;
     },
-    setFillsLatestBlock(userAddress: string, networkId: number, blockNumber: number) {
+    setFillsLatestBlock(userAddress: string, networkId: number, blockNumber: number): void {
         const userFillsLatestBlockKey = this._getFillsLatestBlockKey(userAddress, networkId);
         localStorage.setItem(userFillsLatestBlockKey, `${blockNumber}`);
     },
-    _getUserFillsKey(userAddress: string, networkId: number) {
+    _getUserFillsKey(userAddress: string, networkId: number): string {
         const userFillsKey = `${FILLS_KEY}-${userAddress}-${networkId}`;
         return userFillsKey;
     },
-    _getFillsLatestBlockKey(userAddress: string, networkId: number) {
+    _getFillsLatestBlockKey(userAddress: string, networkId: number): string {
         const userFillsLatestBlockKey = `${FILLS_LATEST_BLOCK}-${userAddress}-${networkId}`;
         return userFillsLatestBlockKey;
     },