react-native - Flow Promise 此类型与 undefined undefined 不兼容

Question

获取警告

在线:

使用 Flow.js v.0.48.0。代码示例:

...
import { Font, AppLoading } from 'expo';
...
export default class App extends Component {
  async componentDidMount() {
    await Font.loadAsync(fontsStore);
    ...
  }
  ...
}

Answer 1

找到黑客解决方案:

...
  componentDidMount() {
    this.loadFonts();
  }

  async loadFonts () {
    await Font.loadAsync(fontsStore);

    this.setState({ fontLoaded: true });
  }
...