Avoiding the use of the 'any' type in TypeScript while working with the Fast-Image component in

I am currently working on a component that displays an image. This component requires both a URL and a style to be passed in.

interface FastImageProps {
  styleComponent: StyleProp<ImageStyle> | StyleProp<ImageStyle>[];
  url: string;
}

export const FastImageComponent: React.FC<FastImageProps> = ({
  styleComponent,
  url,
}: any) => {

  return (
    <FastImage
      style={styleComponent}
      source={{
        uri: `WEB_PATH/${url}`,
        priority: FastImage.priority.normal,
        cache: FastImage.cacheControl.immutable,
      }}
      resizeMode={FastImage.resizeMode.cover}
    />
  );
};

The component is functioning properly, however it currently uses "any" type. If I remove the "any" type, an error occurs indicating:

No overload matches this call.
  ....(error message continues)

This is how I am currently using the component:

<FastImageComponent
 styleComponent={{width: sizeWidth(20), height: sizeWidth(20)}}
 url={imageUrl}/>

I am seeking assistance in understanding why this error is occurring and what changes are needed to remove the dependency on "any" type.

Answer №1

It appears that importing ImageStyle from the library react-native-fast-image may be a viable alternative for your needs.

Answer №2

After some investigation, I've come to the realization that using ImageStyle from 'react-native' is not feasible.

In order to make it work, I have to manually declare it like so:

export interface ImageStyle {
  backfaceVisibility?: 'visible' | 'hidden';
  borderBottomLeftRadius?: number;
  borderBottomRightRadius?: number;
  backgroundColor?: string;
  borderColor?: string;
  borderWidth?: number;
  borderRadius?: number;
  borderTopLeftRadius?: number;
  borderTopRightRadius?: number;
  overlayColor?: string;
  tintColor?: string;
  opacity?: number;
}

Surprisingly, removing the any has resolved the error issue.

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