feature/proxyMap-new-methods

[overthemike]

Related Bug Reports or Discussions

#1224
Fixes #
n/a

Summary

Added getOrInsert and getOrInsertComputed methods on proxyMap

Check List

• [ x ] pnpm run fix for formatting and linting code and docs

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Project	Deployment	Actions	Updated (UTC)
valtio	Ready	Preview	Aug 12, 2026 11:24pm

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npm i https://pkg.pr.new/valtio@1225

commit: b4ec296

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Size Change: +84 B (+0.55%)

Total Size: 15.4 kB

📦 View Changed

Filename	Size	Change
dist/esm/vanilla/utils.mjs	3.97 kB	+42 B (+1.07%)
dist/vanilla/utils.js	4.01 kB	+42 B (+1.06%)

ℹ️ View Unchanged

Filename	Size
dist/esm/index.mjs	63 B
dist/esm/react.mjs	694 B
dist/esm/react/utils.mjs	271 B
dist/esm/utils.mjs	68 B
dist/esm/vanilla.mjs	2.42 kB
dist/index.js	243 B
dist/react.js	686 B
dist/react/utils.js	292 B
dist/utils.js	244 B
dist/vanilla.js	2.46 kB

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[overthemike]

@dai-shi I still need to write tests for this but I wanted to get your initial opinion on it before I do. Especially the type updates. Needed to put those in order for ts not to yell but it feels somewhat fragile. Necessary, but fragile. Thoughts?

[dai-shi]

Needed to put those in order for ts not to yell but it feels somewhat fragile. Necessary, but fragile. Thoughts?

Should be fine as long as our TS tests work with [TS-ONLY-... hack.
I'm not sure why it's necessary though.

[overthemike]

I'm not sure why it's necessary though.

Typescript yells when trying to run the tests using pnpm test without it.
error TS2353: Object literal may only specify known properties, and 'getOrInsert' does not exist in type...

[dai-shi]

lemme try

[overthemike]

b0b71b7 was originally what I wanted to push up, but the problem is still persisting for me. When I run pnpm test locally, this is what I'm getting:

. test:format$ prettier . --list-different
└─ Running...
. test:types$ tsc --noEmit
│ src/vanilla/utils/proxyMap.ts(182,5): error TS2353: Object literal may only specify known properties, and 'getOrInsert' does not exist in typ…
└─ Failed in 2.8s at /Users/mike/Projects/valtio   #  <==  \(><)/ 
. test:lint$ eslint .
└─ Running...
. test:spec$ vitest run
[15 lines collapsed]
│  ✓ |valtio| tests/subscribe.test.tsx (14 tests) 17ms
│  ✓ |valtio| tests/watch.test.tsx (8 tests) 12ms
│  ✓ |valtio| tests/deepClone.test.tsx (5 tests) 5ms
│  ✓ |valtio| tests/performance.test.tsx (1 test) 128ms
│  ✓ |valtio| tests/mapset.test.tsx (2 tests) 24ms
│  ✓ |valtio| tests/ref.test.tsx (4 tests) 43ms
│  Test Files  18 passed (18)
│       Tests  285 passed | 1 skipped (286)
│    Start at  19:00:00
│    Duration  2.49s (transform 613ms, setup 970ms, collect 3.07s, tests 2.61s, environment 10.74s, prepare 1.37s)
└─ Running...
 ELIFECYCLE  Command failed with exit code 2.
 ELIFECYCLE  Test failed. See above for more details.

[dai-shi]

that doesn't reproduce locally on my end (nor on CI as you see).

[overthemike]

that doesn't reproduce locally on my end (nor on CI as you see).

Good to know and glad I asked. I'll debug and figure it out and then get started with the tests.