Lunora browser SDK: WebSocket transport, optimistic updates, and an offline mutation queue

Olas mutation queue — durable persistence + reload-safe replay for persistable mutations.

An apollo link that queues mutations

Offline-first data caching and mutation queue for PWAs, backed by Dexie (IndexedDB)

Persistent mutation queue with priority, retries, pause/resume, and batching.

Framework-independent local-first store, durable mutation queue, sync engine, and conflict middleware.

FIFO mutation queue with automatic replay on reconnect. Drop-in offline support for TanStack Query mutations — users can keep working while disconnected, and changes sync silently when the connection returns.

Tiny queue data structure

Utility functions to calculate mutation testing metrics.

Offline-first mutation queue + idempotent server sync for event check-in, POS, and access-control apps. Survives flaky WiFi, prevents duplicate writes, reconciles cleanly on reconnect.

fast, tiny `queueMicrotask` shim for modern engines

The json schema for a mutation testing report.

A suite of web components for a mutation testing report.

A shim for the setImmediate efficient script yielding API

Promise queue with concurrency control

IDB-backed offline mutation queue with priority-aware replay engine for better-pwa

A simple tool to keep requests to be executed in order.

Schema validation for the mutation server protocol (MSP).

The smallest and simplest JavaScript priority queue

queue-lit is a tiny queue data structure in case you `Array#push()` or `Array#shift()` on large arrays very often