perf(serve-static): performance optimization for precompressed feature

[usualoma]

• 6a675c3 : Replace with faster implementation
• 7f58d8f : "Content-Type" is appropriate to set only if the file is found
• 9aeb1cd : As I wrote in feat(serve-static): add precompressed option node-server#199 (comment), if the file is not a compressible mime type, it is better not to find a compressed file

The author should do the following, if applicable

• Add tests
• Run tests
• bun run format:fix && bun run lint:fix to format the code
• Add TSDoc/JSDoc to document the code

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 95.78%. Comparing base (5f78e4e) to head (9aeb1cd).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3414   +/-   ##
=======================================
  Coverage   95.77%   95.78%           
=======================================
  Files         154      155    +1     
  Lines        9312     9314    +2     
  Branches     2730     2741   +11     
=======================================
+ Hits         8919     8921    +2     
  Misses        393      393           

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[yusukebe]

LGTM!

[yusukebe]

I'm planning to create utils/constants.ts to have all constants in the honojs/hono project, which may include this COMPRESSIBLE_CONTENT_TYPE_REGEX. But it's not fixed yet. It's okay to create utils/compress.ts.

[yusukebe]

@usualoma

Thanks! Perfect. I'll merge it now.