diff package:aeson-diff

Compare two JSON documents and generate a patch describing the differences. Uses the defaultConfig.
This module implements data types and operations to represent the differences between JSON documents (i.e. a patch), to compare JSON documents and extract such a patch, and to apply such a patch to a JSON document.
Compare two JSON documents and generate a patch describing the differences.
Extract and apply patches to JSON documents. This is a small library for working with changes to JSON documents. It includes a library and two command-line executables in the style of the diff(1) and patch(1) commands available on many systems.