feat: improve performance

[anshumanv]

What kind of change does this PR introduce?

performance

Did you add tests for your changes? existing

If relevant, did you update the documentation? NA

Summary

• Improve performance
• inbuiltOptions as object
• unnecessary iterations purged

Does this PR introduce a breaking change? no

Other information

[anshumanv]

Looking at CI

[codecov[bot]]

Codecov Report

Merging #2626 (b24a8a5) into master (281f8ef) will decrease coverage by 0.04%. The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #2626      +/-   ##
==========================================
- Coverage   95.23%   95.19%   -0.05%     
==========================================
  Files          31       30       -1     
  Lines        1512     1499      -13     
  Branches      429      428       -1     
==========================================
- Hits         1440     1427      -13     
  Misses         72       72              

Impacted Files	Coverage Δ
packages/serve/src/index.ts	91.22% <100.00%> (ø)
packages/webpack-cli/lib/webpack-cli.js	96.15% <100.00%> (+<0.01%)	:arrow_up:
packages/generators/src/addon-generator.ts	93.18% <0.00%> (ø)
packages/generators/src/utils/copy-utils.ts

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[anshumanv]

Looks like some spacing diff in help output

[snitin315]

Try a rebase.

[anshumanv]

hm looks like no help

[alexander-akait]

Found more places to improve perf, I will finish it

[anshumanv]

Big thanks! 👍