Using TypeScript with Watermelondb

I'm currently developing a React App and I want to implement Watermelondb for Offline Storage, but I'm unsure about using it with TypeScript. I have already set up the database and created Course and Lesson model files from the Watermelondb library. In my App.tsx file, I've integrated the Database provider in the following way:

import 'react-native-gesture-handler';
import React from 'react';
import { View, StatusBar } from 'react-native';
import { NavigationContainer } from '@react-navigation/native';
import DatabaseProvider from '@nozbe/watermelondb/DatabaseProvider';

import database from './database/index.js';

import AppProvider from './hooks';

import Routes from './routes';

const App: React.FC = () => (
  <NavigationContainer>
    <StatusBar barStyle="light-content" backgroundColor="#6548A3" translucent />
    <DatabaseProvider database={database}>
      <AppProvider>
        <View style={{ flex: 1, backgroundColor: '#6548A3' }}>
          <Routes />
        </View>
      </AppProvider>
    </DatabaseProvider>
  </NavigationContainer>
);

export default App;

However, I encountered a Typescript error in my functional component:

import React from 'react';
import { View } from 'react-native';
const Dashboard: React.FC = ({courses, lessons}) => {
return (
    <View>
    </View>
  );
}

The error message I received for courses and lessons is:

Property does not exist on type '{ children?: ReactNode; }'

How can I address these TypeScript errors effectively?

Answer №1

React.FC is a specific type that relies on props for its functionality. The properties courses and lessons are required to be included in your props type so they can be destructured properly. If you use React.FC without specifying a generic, it indicates that the component does not accept any props.

An example of how you might define this is:

interface DashboardProps {
  courses: Course[]; // Define the 'Course' type as needed
  lessons: Lesson[]; // Define the 'Lesson' type as needed
}

const Dashboard: React.FC<DashboardProps> = ({courses, lessons}) => {
return (
    <View>
    </View>
  );
}

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