I wrote an NPM package to convert JSON objects to/from a dotted format. It doesn't (currently) sort the flattened output, but that would be easy to add. https:

I wrote an NPM package to convert JSON objects to/from a dotted format. It doesn't (currently) sort the flattened output, but that would be easy to add. https://www.npmjs.com/package/flattenjs https://www.npmjs.com/package/flattenjs