./download_dependencies.sh

./build_emscripten.sh

cp ../rltools.js/main.js blob/lib/rltools.js

npm install three@0.180.0 mathjs@14.3.1 stats.js@0.17.0 jsfive@0.4.0 gl-matrix@3.4.3 rand-seed@2.1.7 stats.js@0.17.0
npm uninstall rltools; npm install rltools@file:../rltools.js/
npm install --save-dev esbuild@0.25.2
./bundle.sh

The ./blob/registry is populated by src/rl/environments/l2f/export_dynamics.cpp.