substantial/updeep
Easily update nested frozen objects and arrays in a declarative and immutable manner. observed · 2026-08-28
Health v2 · maintenance only
32/100
- Activity 0
- Release rhythm 35
- Longevity 100
Flags: no_releases
How is this computed?
round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10) — computed 2026-09-02. Adoption (stars, forks) is never an input.
- gap_med: n/a
- age_days: 4051
- days_rel: n/a
- days_push: 1289
- n_releases_24m: 0
Adoption not part of the score
1180 stars · 38 forks observed · 2026-08-28
What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded
A small JavaScript utility library for declaratively updating deeply nested frozen objects and arrays immutably. It returns the same reference when nothing changes, making it ideal for reference-equality change detection.
Use cases
- update nested objects immutably in JavaScript
- declarative deep updates for Redux reducers
- avoid re-renders with reference equality checks
- freeze and update immutable data structures
- curried functional updates with lodash/fp or Ramda
When to choose
- you need immutable deep updates with minimal API surface
- you rely on reference equality for change detection
- you want frozen, predictable state objects
When to avoid
- you need a full state-management solution
- you prefer immer-style mutable draft APIs
- you don't want a lodash dependency
Facets
library · maturity maintenance
serialization developer-tools web-development frontend developer-tools browser immutable-data functional-programming state-updates deep-updates frozen-objects redux-helper nodejs javascript
2 sources
- readme: https://github.com/substantial/updeep · fetched 2026-08-28 · 891a5c3534d8
- registry_npm: https://registry.npmjs.org/updeep · fetched 2026-08-29 · b70f5830f906
Member repositories
| Repository | Role | Health v2 |
|---|---|---|
| substantial/updeep | main | 32 |
For agents
markdown · JSON · MCP: product_card(name="substantial/updeep")
Data as of 2026-08-30T08:39:29.467469+00:00 · Report a problem