Update DispatchingStore to provide better typing for dispatch function parameters

newstore/history.ts

@@ -1,6 +1,6 @@
 import eq from "lodash/eq"
 import { pluck } from "rxjs/operators"
-import DispatchingStore, { Dispatchers } from "./DispatchingStore"
+import DispatchingStore, { defineDispatchers } from "./DispatchingStore"
 
 export const defaultRESTHistoryState = {
   state: [] as any[],
@@ -15,18 +15,21 @@ export const HISTORY_LIMIT = 50
 type RESTHistoryType = typeof defaultRESTHistoryState
 type GraphqlHistoryType = typeof defaultGraphqlHistoryState
 
-const HistoryDispatcher: Dispatchers<RESTHistoryType | GraphqlHistoryType> = {
-  setEntries(_, { entries }: { entries: any[] }) {
+const HistoryDispatcher = defineDispatchers({
+  setEntries(
+    _: RESTHistoryType | GraphqlHistoryType,
+    { entries }: { entries: any[] }
+  ) {
     return {
       state: entries,
     }
   },
-  addEntry(currentVal, { entry }) {
+  addEntry(currentVal: RESTHistoryType | GraphqlHistoryType, { entry }) {
     return {
       state: [entry, ...currentVal.state].slice(0, HISTORY_LIMIT),
     }
   },
-  deleteEntry(currentVal, { entry }) {
+  deleteEntry(currentVal: RESTHistoryType | GraphqlHistoryType, { entry }) {
     return {
       state: currentVal.state.filter((e) => !eq(e, entry)),
     }
@@ -36,7 +39,7 @@ const HistoryDispatcher: Dispatchers<RESTHistoryType | GraphqlHistoryType> = {
       state: [],
     }
   },
-  toggleStar(currentVal, { entry }) {
+  toggleStar(currentVal: RESTHistoryType | GraphqlHistoryType, { entry }) {
     return {
       state: currentVal.state.map((e) => {
         if (eq(e, entry) && e.star !== undefined) {
@@ -49,7 +52,7 @@ const HistoryDispatcher: Dispatchers<RESTHistoryType | GraphqlHistoryType> = {
       }),
     }
   },
-}
+})
 
 export const restHistoryStore = new DispatchingStore(
   defaultRESTHistoryState,