Perf: cache measurements for better performance

[wellyshen]

• Perf: cache measurements for better performance

[changeset-bot]

🦋 Changeset detected

Latest commit: ff59175

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
react-cool-virtual	Patch

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

[github-actions]

Size Change: +50 B (0%)

Total Size: 19.8 kB

Filename	Size	Change
dist/index.cjs.development.js	4.62 kB	+11 B (0%)
dist/index.cjs.production.min.js	2.8 kB	+9 B (0%)
dist/index.esm.js	4.56 kB	+11 B (0%)
dist/index.umd.development.js	4.78 kB	+12 B (0%)
dist/index.umd.production.min.js	2.88 kB	+7 B (0%)

ℹ️ View Unchanged

Filename	Size	Change
dist/index.js	136 B	0 B

_{compressed-size-action}

[coveralls]

Pull Request Test Coverage Report for Build 892371575

• 0 of 3 (0.0%) changed or added relevant lines in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.009%) to 2.055%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
src/useVirtual.ts	0	3	0.0%

Totals
Change from base Build 892364807:	0.009%
Covered Lines:	7
Relevant Lines:	265

---

💛 - Coveralls