Prisma Next IDB

Prisma Next IDB is a preview IndexedDB client built on Prisma Next contracts.

You write a .prisma schema. Prisma Next reads it directly, emits a typed contract, plans migrations, and gives the browser a runtime client that applies those migrations before opening the database.

model User {
  id    String  @id
  name  String
  email String? @unique
  todos Todo[]
}

model Todo {
  id     String  @id
  title  String
  done   Boolean
  userId String
  user   User    @relation(fields: [userId], references: [id], onDelete: Cascade)
}

Why it exists

Prisma Next IDB is the migration-first path. It uses Prisma Next's planner architecture, drivers, adapters, and contract spaces instead of generator-only codegen.

That gives this version a better foundation for schema evolution: migration packages are reviewed, committed, bundled, and applied in order. It also now has its own bidirectional sync engine, built on the same contract-space foundation rather than bolted on afterward.

Current shape

• Schema source: PSL, read directly by Prisma Next
• Runtime: browser IndexedDB
• Client style: chainable typed accessors, not Prisma Client's object-argument API
• Migrations: explicit packages under migrations/app, with extension packages (like sync) contributing their own independently-versioned migration spaces
• Sync: optional, via @prisma-next-idb/sync-extension-idb and @prisma-next-idb/sync-server

Start here