This is pdfTeX, Version 3.141592653-2.6-1.40.24 (TeX Live 2022/Debian) (preloaded format=pdflatex 2023.4.13)  27 APR 2023 21:39
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 restricted \write18 enabled.
 %&-line parsing enabled.
**/code/desk2/client/index.js
(/code/desk2/client/index.js
LaTeX2e <2022-11-01> patch level 1
L3 programming layer <2023-01-16>

! LaTeX Error: Missing \begin{document}.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
                                                  
l.1 d
     ocument.addEventListener('DOMContentLoaded', main);
? 
! Emergency stop.
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l.1 d
     ocument.addEventListener('DOMContentLoaded', main);
You're in trouble here.  Try typing  <return>  to proceed.
If that doesn't work, type  X <return>  to quit.

 
Here is how much of TeX's memory you used:
 18 strings out of 476091
 566 string characters out of 5794081
 1849330 words of memory out of 5000000
 20499 multiletter control sequences out of 15000+600000
 512287 words of font info for 32 fonts, out of 8000000 for 9000
 1141 hyphenation exceptions out of 8191
 13i,0n,12p,112b,14s stack positions out of 10000i,1000n,20000p,200000b,200000s
!  ==> Fatal error occurred, no output PDF file produced!