paularmstrong/normalizr

Health v2 · maintenance only

Flags: archived

Adoption not part of the score

20802 stars · 857 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-29, confidence not recorded

Normalizr is a JavaScript library that normalizes deeply nested JSON according to a schema, flattening API responses into entities keyed by ID. It also supports denormalization back to nested structures, and is commonly used with Redux and Flux state management.

Use cases

• normalize nested JSON API responses for Redux store
• flatten deeply nested API data into entities by id
• denormalize normalized entities back into nested JSON
• deduplicate repeated objects in API payloads
• manage relational data in a Flux application
• reduce re-render costs by storing entities by id

When to choose

• you have deeply nested API responses with repeated entities to flatten
• you use Redux or Flux and need relational entity storage
• you need a stable, battle-tested normalization library

When to avoid

• starting a new project needing active maintenance and support
• you need new features or bug fixes from upstream
• modern data-fetching libraries like RTK Query already handle normalization

Facets

library · maturity abandoned

serialization frontend web-development developer-tools browser redux flux normalize denormalize api-responses state-management nodejs javascript

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