CG-SQL-author (https://ricomariani.github.io/CG-SQL-author/) with Lua runtime compiled to wasm online playground
You can try it online here https://mingodad.github.io/CG-SQL-Lua-playground/
The playground website is based on https://yhirose.github.io/cpp-peglib/ and also with modifications based on https://chrishixon.github.io/chpeg/playground/ .