The type 'string' cannot be assigned to type 'ImageSourcePropType'

Question

The type 'string' cannot be assigned to type 'ImageSourcePropType'

Context Attempting to utilize a SVG component in React Native with the xlinkHref property within an Image tag. The SVG file was converted into a React Native Component (TSX) using the tool provided at . While simple SVG icons have been successfully used before using this method, none of them contained the xlinkHref property.

Challenge

The component includes an Image tag with

xlinkHref="data:image/png;base64,

, followed by approximately 474 lines of encrypted data. For instance, the first half of the first line appears as:

iVBORw0KGgoAAAANSUhEUgAAAeUAAAJwCAYAAAC3c3kPAAAAAXNSR0IArs4c6QAAQABJREFUeAH

. VS Code highlights the xlinkHref as incorrect and displays the error message:

Type 'string' is not assignable to type 'ImageSourcePropType'.

Additionally, it states that:

The expected type comes from the property 'xlinkHref' which is declared within type 'IntrinsicAttributes & IntrinsicClassAttributes<Component<ImageProps, any, any>> & Readonly & Readonly<...>'

Lacking advanced programming skills, I struggle to comprehend the error message. Any insights or explanations on this issue would be greatly appreciated.

Inquiry

Can SVG components containing such properties and values be effectively utilized in React Native, or is there an inherent compatibility issue? How can this challenge be resolved - is it a known limitation or a unique obstacle? Extensive online searches have yielded no specific solutions to address this particular dilemma.

Thank you for your assistance!

typescript react-native svg

Answer 1

Answer №1

I found success with the following code: xlinkHref={'...' as any}

Answer 2

I found success with the following code: xlinkHref={'...' as any}

Answer 3

Answer №2

Maybe there's a more 'TypeScript-oriented' approach to accomplish that.

/**
 * @see https://reactnative.dev/docs/image#source
 */
export type ImageSourcePropType = ImageURISource | ImageURISource[] | ImageRequireSource;

/*
 * @see https://github.com/facebook/react-native/blob/master/Libraries/Image/ImageSourcePropType.js
 */
export interface ImageURISource {
    /**
     * `uri` is a string representing the resource identifier for the image, which
     * could be an http address, a local file path, or the name of a static image
     * resource (which should be wrapped in the `require('./path/to/image.png')`
     * function).
     */
    uri?: string | undefined;
    /**

As shown, ImageSourcePropType extends type ImageURISource, which defines a property called uri, so a plain object with a uri property will suffice.

thus:

<Image style={...somestyle} source={{ uri: ...the_path_to_your_image }}/>

Answer 4

Maybe there's a more 'TypeScript-oriented' approach to accomplish that.

/**
 * @see https://reactnative.dev/docs/image#source
 */
export type ImageSourcePropType = ImageURISource | ImageURISource[] | ImageRequireSource;

/*
 * @see https://github.com/facebook/react-native/blob/master/Libraries/Image/ImageSourcePropType.js
 */
export interface ImageURISource {
    /**
     * `uri` is a string representing the resource identifier for the image, which
     * could be an http address, a local file path, or the name of a static image
     * resource (which should be wrapped in the `require('./path/to/image.png')`
     * function).
     */
    uri?: string | undefined;
    /**

As shown, ImageSourcePropType extends type ImageURISource, which defines a property called uri, so a plain object with a uri property will suffice.

thus:

<Image style={...somestyle} source={{ uri: ...the_path_to_your_image }}/>

The type 'string' cannot be assigned to type 'ImageSourcePropType'

Answer №1

Answer №2

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