Improve some type safety

src/components/ftbot/BotControls.vue

@@ -34,7 +34,7 @@
         <ReloadIcon />
       </button>
       <button
-        v-if="botState.forcebuy_enabled"
+        v-if="botState && botState.forcebuy_enabled"
         class="btn btn-secondary btn-sm ml-1"
         :disabled="!isTrading || !isRunning"
         title="Force Buy - Immediately buy an asset at an optional price. Sells are then handled according to strategy rules."
@@ -76,7 +76,7 @@ const ftbot = namespace('ftbot');
 export default class BotControls extends Vue {
   forcebuyShow = false;
 
-  @ftbot.State botState!: BotState;
+  @ftbot.State botState?: BotState;
 
   @ftbot.Action startBot;
 
@@ -93,7 +93,7 @@ export default class BotControls extends Vue {
   @ftbot.Getter [BotStoreGetters.isWebserverMode]!: boolean;
 
   get isRunning(): boolean {
-    return this.botState.state === 'running';
+    return this.botState?.state === 'running';
   }
 
   initiateForcebuy() {

src/components/ftbot/BotStatus.vue

@@ -1,5 +1,5 @@
 <template>
-  <div>
+  <div v-if="botState">
     <p>
       Running Freqtrade <strong>{{ version }}</strong>
     </p>
@@ -49,7 +49,7 @@ export default class BotStatus extends Vue {
 
   @ftbot.State profit;
 
-  @ftbot.State botState!: BotState;
+  @ftbot.State botState?: BotState;
 
   formatPercent = formatPercent;
 

src/store/modules/ftbot/state.ts

@@ -4,7 +4,6 @@ import {
   BotState,
   Trade,
   PlotConfig,
-  EMPTY_PLOTCONFIG,
   StrategyResult,
   BalanceInterface,
   DailyReturnValue,
@@ -24,24 +23,24 @@ export interface FtbotStateType {
   blacklist: string[];
   // TODO: type me
   profit: {};
-  botState: BotState | undefined;
+  botState?: BotState;
   balance: BalanceInterface | {};
   dailyStats: DailyReturnValue | {};
   pairlistMethods: string[];
-  detailTradeId: number | undefined;
+  detailTradeId?: number;
   selectedPair: string;
   // TODO: type me
   candleData: {};
   // TODO: type me
   history: {};
-  strategyPlotConfig: PlotConfig | {};
+  strategyPlotConfig?: PlotConfig;
   customPlotConfig: PlotConfigStorage;
   plotConfigName: string;
   availablePlotConfigNames: string[];
   strategyList: string[];
   strategy: StrategyResult | {};
   pairlist: string[];
-  currentLocks: LockResponse | undefined;
+  currentLocks?: LockResponse;
 }
 const state: FtbotStateType = {
   version: '',
@@ -62,7 +61,7 @@ const state: FtbotStateType = {
   selectedPair: '',
   candleData: {},
   history: {},
-  strategyPlotConfig: {},
+  strategyPlotConfig: undefined,
   customPlotConfig: {},
   plotConfigName: getPlotConfigName(),
   availablePlotConfigNames: getAllPlotConfigNames(),