Error: 'default' is not exported by ../../node_modules/blueimp-md5/js/md5.js, imported by ../../node_modules/md5-hex/browser.js

[digitaltopo]

Having an issue recently while using (gravatar-url)[https://github.com/sindresorhus/gravatar-url] package, seems to be a bad import statement in md5-hx looking for a default export in blueimp-md5.

I'm using rollupjs to bundle code.

Would appreciate any clarification on this, thank you!

(!) Unresolved dependencies
https://rollupjs.org/guide/en/#warning-treating-module-as-external-dependency
node:querystring (imported by ../../node_modules/gravatar-url/index.js)
(!) `this` has been rewritten to `undefined`
https://rollupjs.org/guide/en/#error-this-is-undefined
../../node_modules/blueimp-md5/js/md5.js
400:     $.md5 = md5
401:   }
402: })(this)
        ^
[!] Error: 'default' is not exported by ../../node_modules/blueimp-md5/js/md5.js, imported by ../../node_modules/md5-hex/browser.js
https://rollupjs.org/guide/en/#error-name-is-not-exported-by-module
../../node_modules/md5-hex/browser.js (1:7)
1: import blueimpMd5 from 'blueimp-md5';
          ^
2: 
3: export default function md5Hex(data) {
Error: 'default' is not exported by ../../node_modules/blueimp-md5/js/md5.js, imported by ../../node_modules/md5-hex/browser.js

[sindresorhus]

This is a problem with Rollup.js. Open an issue there instead. This package runs fine in Node.js without bundling.