perf: replace commander with cac

[Timeless0911]

Summary

Replace commander with cac to improve cli performance.

Output Size

cac is 74kB smaller than commander

• cac:

File (esm)                    Size       
dist/index.js                 130.4 kB

• commander:

File (esm)                    Size       
dist/index.js                 204.5 kB

commander is prebundled before and above is what we bundled commander into index.js.

Startup Time

cac is 11ms faster than commander.

• cac:

hyperfine --warmup 5 'node rslib.js build'
Benchmark 1: node /Users/bytedance/codes/rslib/packages/core/bin/rslib.js build
  Time (mean ± σ):      1.169 s ±  0.022 s    [User: 3.263 s, System: 0.324 s]
  Range (min … max):    1.135 s …  1.198 s    10 runs

• commander:

hyperfine --warmup 5 'node rslib.js build'
Benchmark 1: node /Users/bytedance/codes/rslib/packages/core/bin/rslib.js build
  Time (mean ± σ):      1.148 s ±  0.023 s    [User: 3.259 s, System: 0.312 s]
  Range (min … max):    1.121 s …  1.188 s    10 runs

Related Links

https://github.com/cacjs/cac

Checklist

• Tests updated (or not required).
• Documentation updated (or not required).

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[chenjiahan]

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