#JMAP Implement JMAP API backed by IndexedDB with schema and query support
@shadowbas is already working on this.
Since Oct 22, 2025.
Assessment
This issue has not been assessed yet.
Description
Develop a JMAP-compatible API layer that uses IndexedDB as its storage backend, including schema definition and query capabilities.
- Define schema: object stores, indexes, and key paths
- Support filtering, sorting, and pagination using JMAP Query objects
- Reuse the JMAP Query → predicate function logic for local query evaluation #1734
- Dominant language
- TypeScript
- Stars
- 132
- Forks
- 55
- Avg merge
- 6d 17h
- Merged PRs (30d)
- 1
Getting set up
- No Dockerfile or Docker Compose file
- No pull request template
- Read the contributing guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
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