chore: convert small ts files in node_dependencies to ts

[netlify-team-account-1]

- Summary

(supercedes #683)

This PR converts the first couple of files from javascript to typescript.

- Test plan

- A picture of a cute animal (not mandatory but encouraged)

[github-actions]

⏱ Benchmark results

Comparing with bde1d22

largeDepsZisi: 1m 0.7s

⬇️ 8.05% decrease vs. bde1d22

^                         1m 22.8s                                                                        
│                           ┌──┐                                                                          
│                           |  |                                                                          
│         1m 11.5s          |  |  1m 10.7s1m 10.2s                                                        
│           ┌──┐            |  |    ┌──┐    ┌──┐          1m 4.9s 1m 7.5s                 1m 7.7s         
│ ──────────┼──┼────────────┼──┼────┼──┼────┼──┼────────────┌──┐────┌──┐────────────────────┌──┐──1m 0.7s─
│  58.2s    |  |   55.9s    |  |    |  |    |  |   57.8s    |  |    |  |   59.5s    59s     |  |    ┌──┐  
│   ┌──┐    |  |    ┌──┐    |  |    |  |    |  |    ┌──┐    |  |    |  |    ┌──┐    ┌──┐    |  |    |▒▒|  
│   |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |▒▒|  
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│   |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |▒▒|  
└───┴──┴────┴──┴────┴──┴────┴──┴────┴──┴────┴──┴────┴──┴────┴──┴────┴──┴────┴──┴────┴──┴────┴──┴────┴──┴──>
    T-12    T-11    T-10    T-9     T-8     T-7     T-6     T-5     T-4     T-3     T-2     T-1      T    

Legend

• T-26 (bde1d22): 1m 5.6s
• T-25 (03045c1): 1m 3.4s
• T-24 (5dbbcd0): 58.7s
• T-23 (c78337c): 1m 12.6s
• T-22 (bd1d904): 58.2s
• T-21 (5503b4d): 1m 12.3s
• T-20 (fb06c4b): 1m 0.6s
• T-19 (8b53bba): 1m 15.6s
• T-18 (787017a): 55.1s
• T-17 (3d1577e): 1m 11s
• T-16 (b189096): 1m 8.8s
• T-15 (d35c24d): 1m 10.2s
• T-14 (67961ee): 1m 13.5s
• T-13 (413e5dc): 1m 12.8s
• T-12 (4bbd835): 58.2s
• T-11 (13f7579): 1m 11.5s
• T-10 (2139bea): 55.9s
• T-9 (920c5bc): 1m 22.8s
• T-8 (2fbb403): 1m 10.7s
• T-7 (5078244): 1m 10.2s
• T-6 (1e3ac5a): 57.8s
• T-5 (9eb9ea6): 1m 4.9s
• T-4 (b2bf035): 1m 7.5s
• T-3 (55b5529): 59.5s
• T-2 (9442aaf): 59s
• T-1 (e38f0a0): 1m 7.7s
• T (current commit): 1m 0.7s

[eduardoboucas]

Looks good! Added just minor comments. I understand that one file leads to another when you're migrating to TS, but I'd really like to take smaller steps, if possible.

[eduardoboucas]

🔈 🕺🏻