helpers to migrate to symfony4 with flex
Feel free to use and adapt the scripts. Maybe it will not match your use exactly, but it could inspire.
WARNING: use checking since the tools may generate invalid code or similar things. I recommend some pre-commit hooks, maybe from pre-commit.com. And run your unit tests.
twig-bundle-syntax.sh
twig-bundle-syntax-fix-mixed.sh
twig-snakecase-include.sh twig-snakecase-rename.sh