Subscriptions

Subscribe to a query and receive updates as rows change.

Live queries

Any query can become live. Call .live() and pass a callback; it runs once with the current rows and again whenever they change.

TypeScript

const stop = db.tasks  .where({ projectId, done: false })  .live((tasks) => render(tasks)) // laterstop()

TypeScript

import { useLive } from "tessera/react" const tasks = useLive(db.tasks.where({ projectId }))

Rules apply to updates

Subscribers only receive changes to rows their rules allow them to read.

Row-level rules

Presence

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