Building a custom Contentful Rich Text editor: solving the round-trip problem

A developer details the challenge of creating a custom Rich Text editor for Contentful, focusing on the conversion layer between the editor's internal model and Contentful's stored JSON schema. The post explains that the editor UI is only 20% of the work, while the round-trip conversion is the hard 80%. It uses PlateJS (built on Slate) to handle the lossless bidirectional translation.