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Work · August 30, 2026

CP

Cushion – PouchDB on Deno KV

This project mostly came from knowing that Deno KV is backed by FoundationDB and that there were (are?) plans to use Foundation for CouchDB 4.0 too. I like working on Deno. I like working in CouchDB. I like Deno KV but don’t enjoy the ergonomics of it. So Cushion was mostly made for my comfort. PouchDB with Deno KV as the storage adapter.

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What it does

@mikehall314/cushion on JSR: A CouchDB-style document database for Deno. Cushion gives you documents with optimistic concurrency, map-reduce views, and a query builder - powered by PouchDB and backed by Deno KV.

A CouchDB-style document database for Deno. Cushion gives you documents with optimistic concurrency, map-reduce views, and a query builder - powered by PouchDB and backed by Deno KV. Cushion implements the PouchDB adapter interface directly against Deno KV. It gets you a real PouchDB: rev trees, conflict resolution, map/reduce views, and replication, backed by Deno's built-in database. import { PouchDB } from "jsr:@mikehall314/cushion" ; const db = new PouchDB ( "my-app" , { adapter : "cushion" }); await db. put ({ _id : "hello" , msg : "world" }); const doc = await db. get ( "hello" ); Documents Revisions are tracked automatically, giving you optimistic concurrency for free: if two writers…from jsr.io

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