unadlib/mutative
View on GitHub ↗ ★ 2,027 TypeScript
Efficient immutable updates, about 3-6x faster than Immer.
7 mentions on Hacker News by 5 people: 3 stories, 4 comments · first 2023-01-25 · latest 2025-09-21
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The readme explains how Mutative achieves better performance over Immer: https://github.com/unadlib/mutative#readme
comment by Leftium · 2024-02-01 · in Mutative 1.0 – A New Era in Efficient Immutable Updates -
The readme explains in more detail: https://github.com/unadlib/mutative#readme > Immer must have auto-freeze enabled by default(Performance will be worse if auto-freeze is disabled), such immutable state with Immer is not common. In…
comment by Leftium · 2024-02-01 · in Mutative 1.0 – A New Era in Efficient Immutable Updates -
for those considering Immer, check out Mutative or Limu instead (both much faster) https://github.com/unadlib/mutative https://github.com/tnfe/limu
comment by leeoniya · 2023-12-22 · in Deep cloning objects in JavaScript -
…run s1 npm run s2 npm run s3 npm run s4 ``` The results of one set of performance tests  At the same time, the number of single test cases has increased to 500+,…
comment by fantasticsoul · 2023-10-21 · in Limu, the fastest immutable data JavaScript lib was borned