fix.md

fix build

rustup default nightly
rustup target add wasm32-unknown-unknown
cargo install -f wasm-bindgen-cli --version 0.2.73
# we use this version now
cargo install -f wasm-bindgen-cli --version 0.2.87
cargo install wasm-opt

known issues

build will have this ts error, the final result is fine.

Error: Could not resolve './wasm/build/simd/derivative_computer' from tmp/wasmEngine.d.ts

ref

rustwasm/wasm-bindgen#2957 https://github.com/rustwasm/wasm-bindgen/issues?q=Box%3A%3Ainto_raw