fix getImageProcessingLibrary usage

src/Utils/messages-media.ts

@@ -96,7 +96,7 @@ export const extractImageThumb = async(bufferOrFilePath: Readable | Buffer | str
 	}
 
 	const lib = await getImageProcessingLibrary()
-	if('sharp' in lib && lib.sharp?.default) {
+	if('sharp' in lib && typeof lib.sharp?.default === 'function') {
 		const img = lib.sharp!.default(bufferOrFilePath)
 		const dimensions = await img.metadata()
 
@@ -111,7 +111,7 @@ export const extractImageThumb = async(bufferOrFilePath: Readable | Buffer | str
 				height: dimensions.height,
 			},
 		}
-	} else if('jimp' in lib && lib.jimp) {
+	} else if('jimp' in lib && typeof lib.jimp.read === 'function') {
 		const { read, MIME_JPEG, RESIZE_BILINEAR, AUTO } = lib.jimp
 
 		const jimp = await read(bufferOrFilePath as any)
@@ -153,14 +153,14 @@ export const generateProfilePicture = async(mediaUpload: WAMediaUpload) => {
 
 	const lib = await getImageProcessingLibrary()
 	let img: Promise<Buffer>
-	if('sharp' in lib) {
+	if('sharp' in lib && typeof lib.sharp?.default === 'function') {
 		img = lib.sharp!.default(bufferOrFilePath)
 			.resize(640, 640)
 			.jpeg({
 				quality: 50,
 			})
 			.toBuffer()
-	} else {
+	} else if('jimp' in lib && typeof lib.jimp.read === 'function') {
 		const { read, MIME_JPEG, RESIZE_BILINEAR } = lib.jimp
 		const jimp = await read(bufferOrFilePath as any)
 		const min = Math.min(jimp.getWidth(), jimp.getHeight())
@@ -170,6 +170,8 @@ export const generateProfilePicture = async(mediaUpload: WAMediaUpload) => {
 			.quality(50)
 			.resize(640, 640, RESIZE_BILINEAR)
 			.getBufferAsync(MIME_JPEG)
+	} else {
+		throw new Boom('No image processing library available')
 	}
 
 	return {