r/SideProject • u/trustsigRobert • 1d ago

Built a JavaScript file that plays Tetris, but turns into Snake when you format it

https://trustsig.eu/blog/javascript-divergence/

A formatter, minifier or deobfuscator can be made to turn one script into another.

You can go try out all 186 techniques with this script: https://divergence.trustsig.eu/

Or try the Tetris-Snake demo here: https://divergence-game.trustsig.eu/

Techical breakdown: https://trustsig.eu/blog/javascript-divergence/

11 Upvotes

92% Upvoted

4 comments sorted by

2

u/QuanTradin 1d ago

so the formatter is the attack. that's a horrible thing to learn about a tool everyone runs on save, nicely done.

1

u/Ill_Leader_7104 1d ago

yeah the fact that its something people run automatically without thinking is what makes it so unsettling

1

u/Tarantino133 1d ago

the tetris that turns into snake after formatting is such a good demo. also slightly terrifying if you review the formatted version and trust it