Install size is 1.7MB

[mmkal]

Based on: https://pkg-size.dev/pgsql-ast-parser

It seems that most of the bigness is from including the src/ folder, although this probably has no runtime effect. Does src/ need to be included?

I ask because I'm looking to publish a library meant for production with a small dependency on pgsql-ast-parser but I would rather not have a huge install size myself.