React Navigation + TypeScriptエラー:タイプ 'EventStackParams'は制約を満たしていません 'Record <string、object | 未定義> '

Nov 18 2020

TypeScriptをReactNative / React Navigation 5ナビゲーターに追加EventStackParamsしていcreateStackNavigator()ますが、への追加に問題があります。

React Native 5 Docs、StackOverflow、GitHubを調べましたが、うまくいきませんでした。私は何が間違っているのですか?以下は私のエラーとコードです

エラー:

Type 'EventStackParams' does not satisfy the constraint 'Record<string, object | undefined>'.

Index signature is missing in type 'EventStackParams'.ts(2344)

Navigation.tsx:

// Imports: TypeScript Types
import { EventStackParams } from '../types/types';

// React Navigation: Stack Navigators
const RootStack = createStackNavigator();
const EventsStack = createStackNavigator<EventStackParams>();

// Events Navigator
const EventsNavigator = () => (
  <EventsStack.Navigator initialRouteName="Events">
    <EventsStack.Screen
      name="Events"
      component={Events}
      options={{
        title: '',
        headerShown: false,
      }}
    />

    <EventsStack.Screen
      name="EventDetails"
      component={EventDetails}
      options={{
        title: '',
        headerShown: true,
        headerStyle: {
          elevation: 0,
          shadowOpacity: 0,
          borderBottomWidth: 0,
        },
      }}
    />
  </EventsStack.Navigator>
);

EventDetails.tsx

// Imports: Dependencies
import { RouteProp } from '@react-navigation/native';

// Imports: TypeScript Types
import { ReduxState, EventStackParams } from '../../types/types';

// React Hooks: React Navigation
const route = useRoute<RouteProp<EventStackParams, 'EventDetails'>>();

Types.tsx:

// TypeScript Type: Event
export interface Event {
  eventTitle: string,
  eventDescription: string | null,
  eventStreet: string,
  eventLocation: string,
  eventLatitude: number,
  eventLongitude: number,
  eventDateStart: number,
  eventDateEnd: number,
  eventTimeStart: string,
  eventTimeEnd: string,
};

// TypeScript Type: Event Stack Params
export interface EventStackParams {
  Events: undefined,
  EventDetails: {
    item: Event,
  },
};

回答

1 jefelewis Nov 19 2020 at 00:31

更新:

これは、をに変更するinterfaceことで修正されましたtype。

// TypeScript Type: Event Stack Params
export type EventStackParams = {
  Events: undefined,
  EventDetails: {
    item: Event,
  },
};