From 474db7c18de63429f72511796291ff135c77f10b Mon Sep 17 00:00:00 2001
From: Steve Klebanoff <steve.klebanoff@gmail.com>
Date: Fri, 9 Nov 2018 11:22:46 -0800
Subject: Emulate named parameters with interface

---
 packages/instant/src/components/zero_ex_instant_provider.tsx |  9 ++++++---
 packages/instant/src/redux/async_data.ts                     |  3 ++-
 packages/instant/src/util/heartbeater_factory.ts             | 12 +++++++++---
 3 files changed, 17 insertions(+), 7 deletions(-)

(limited to 'packages/instant/src')

diff --git a/packages/instant/src/components/zero_ex_instant_provider.tsx b/packages/instant/src/components/zero_ex_instant_provider.tsx
index f5605a187..20d677dc2 100644
--- a/packages/instant/src/components/zero_ex_instant_provider.tsx
+++ b/packages/instant/src/components/zero_ex_instant_provider.tsx
@@ -100,12 +100,15 @@ export class ZeroExInstantProvider extends React.Component<ZeroExInstantProvider
         }
         // tslint:disable-next-line:no-floating-promises
 
-        this._accountUpdateHeartbeat = generateAccountHeartbeater(this._store, true);
+        this._accountUpdateHeartbeat = generateAccountHeartbeater({
+            store: this._store,
+            performImmediatelyOnStart: true,
+        });
         this._accountUpdateHeartbeat.start(ACCOUNT_UPDATE_INTERVAL_TIME_MS);
 
-        this._buyQuoteHeartbeat = generateBuyQuoteHeartbeater(this._store, false);
+        this._buyQuoteHeartbeat = generateBuyQuoteHeartbeater({ store: this._store, performImmediatelyOnStart: false });
         this._buyQuoteHeartbeat.start(BUY_QUOTE_UPDATE_INTERVAL_TIME_MS);
-        asyncData.fetchCurrentBuyQuoteAndDispatchToStore(this._store, true);
+        asyncData.fetchCurrentBuyQuoteAndDispatchToStore({ store: this._store, setPending: true });
 
         // warm up the gas price estimator cache just in case we can't
         // grab the gas price estimate when submitting the transaction
diff --git a/packages/instant/src/redux/async_data.ts b/packages/instant/src/redux/async_data.ts
index c7fe4cd0e..61de54d82 100644
--- a/packages/instant/src/redux/async_data.ts
+++ b/packages/instant/src/redux/async_data.ts
@@ -74,7 +74,8 @@ export const asyncData = {
             return;
         }
     },
-    fetchCurrentBuyQuoteAndDispatchToStore: async (store: Store, setPending: boolean) => {
+    fetchCurrentBuyQuoteAndDispatchToStore: async (options: { store: Store; setPending: boolean }) => {
+        const { store, setPending } = options;
         const { buyOrderState, providerState, selectedAsset, selectedAssetAmount, affiliateInfo } = store.getState();
         const assetBuyer = providerState.assetBuyer;
         if (
diff --git a/packages/instant/src/util/heartbeater_factory.ts b/packages/instant/src/util/heartbeater_factory.ts
index beedb66c8..0feb05422 100644
--- a/packages/instant/src/util/heartbeater_factory.ts
+++ b/packages/instant/src/util/heartbeater_factory.ts
@@ -3,14 +3,20 @@ import { Store } from '../redux/store';
 
 import { Heartbeater } from './heartbeater';
 
-export const generateAccountHeartbeater = (store: Store, performImmediatelyOnStart: boolean): Heartbeater => {
+export interface HeartbeatFactoryOptions {
+    store: Store;
+    performImmediatelyOnStart: boolean;
+}
+export const generateAccountHeartbeater = (options: HeartbeatFactoryOptions): Heartbeater => {
+    const { store, performImmediatelyOnStart } = options;
     return new Heartbeater(async () => {
         await asyncData.fetchAccountInfoAndDispatchToStore(store, { setLoading: false });
     }, performImmediatelyOnStart);
 };
 
-export const generateBuyQuoteHeartbeater = (store: Store, performImmediatelyOnStart: boolean): Heartbeater => {
+export const generateBuyQuoteHeartbeater = (options: HeartbeatFactoryOptions): Heartbeater => {
+    const { store, performImmediatelyOnStart } = options;
     return new Heartbeater(async () => {
-        await asyncData.fetchCurrentBuyQuoteAndDispatchToStore(store, false);
+        await asyncData.fetchCurrentBuyQuoteAndDispatchToStore({ store, setPending: false });
     }, performImmediatelyOnStart);
 };
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