refactor: lazy initialize caches

[JounQin]

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[changeset-bot]

🦋 Changeset detected

Latest commit: 36303fe

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

This PR includes changesets to release 1 package

Name	Type
synckit	Patch

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📊 Package size report   0.5%↑

File	Before	After
lib/index.cjs	13.5 kB	0.7%↑13.6 kB
lib/index.js	13.5 kB	1%↑13.6 kB
lib/index.js.map	13.3 kB	0.7%↑13.4 kB
package.json	3.5 kB	-0.75%↓3.5 kB
Total (Includes all files)	56.6 kB	0.5%↑56.9 kB
Tarball size	14.9 kB	0.7%↑15.0 kB

Unchanged files

File	Size
lib/index.d.ts	1.7 kB
lib/types.d.ts	1.0 kB
lib/types.js	44 B
lib/types.js.map	102 B
LICENSE	1.1 kB
README.md	8.9 kB

_{🤖 This report was automatically generated by pkg-size-action}

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (2541a1e) 100.00% compared to head (36303fe) 100.00%.

Additional details and impacted files

@@            Coverage Diff            @@
##              main      #156   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            1         1           
  Lines          204       204           
  Branches       100       102    +2     
=========================================
  Hits           204       204           

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