astro/dist/assets/utils/imageKind.js

Astro is a modern site builder with web best practices, performance, and DX front-of-mind.

/**
* Determines if the given source is an ECMAScript Module (ESM) imported image.
*
* @param {ImageMetadata | string} src - The source to check. It can be an `ImageMetadata` object or a string.
* @return {boolean} Returns `true` if the source is an `ImageMetadata` object; otherwise, `false`.
*/
export function isESMImportedImage(src) {
	return typeof src === "object" || typeof src === "function" && "src" in src;
}
/**
* Determines if the provided source is a remote image URL in the form of a string.
*
* @param {ImageMetadata | string} src - The source to check, which can either be an `ImageMetadata` object or a string.
* @return {boolean} Returns `true` if the source is a string; otherwise, `false`.
*/
export function isRemoteImage(src) {
	return typeof src === "string";
}
/**
* Resolves the source of an image transformation by handling asynchronous or synchronous inputs.
*
* @param {UnresolvedImageTransform['src']} src - The source of the image transformation.
* @return {Promise<string | ImageMetadata>} A promise that resolves to the image source. It returns either the default export of the resolved source or the resolved source itself if the default export doesn't exist.
*/
export async function resolveSrc(src) {
	if (typeof src === "object" && "then" in src) {
		const resource = await src;
		return resource.default ?? resource;
	}
	return src;
}