Changed errors to use template literals instead of string concatenation. Removed pnpm-lock. Output the sizes of image 1 and 2 in the case they are different as well

Author: VendorMap

index.js

@@ -31,9 +31,9 @@ export default function pixelmatch(img1, img2, output, width, height, options =
         throw new Error('Image data: Uint8Array, Uint8ClampedArray or Buffer expected.');
 
     if (img1.length !== img2.length || (output && output.length !== img1.length))
-        throw new Error('Image sizes do not match.');
+        throw new Error(`Image sizes do not match. Image 1 size: ${img1.length}, image 2 size: ${img2.length}`);
 
-    if (img1.length !== width * height * 4) throw new Error('Image data size does not match width/height. Expecting ' + width * height * 4 + '. Got ' + img1.length);
+    if (img1.length !== width * height * 4) throw new Error(`Image data size does not match width/height. Expecting ${width * height * 4}. Got ${img1.length}`);
 
     // check if images are identical
     const len = width * height;