Build Wasm demo Rust and JavaScript code in CI

Fixes #315.

.github/workflows/build.yml

@@ -10,6 +10,8 @@ on:
 
 env:
  CARGO_TERM_COLOR: always
+ NPM_CONFIG_COLOR: always
+ FORCE_COLOR: 3
  RUSTFLAGS: -D warnings
 
 jobs:
@@ -90,3 +92,25 @@ jobs:
 
  - name: Lint for left-over debug prints
  run: cargo clippy -- -D clippy::print_stdout -D clippy::print_stderr
+
+ wasm:
+ name: Build Wasm demo
+ runs-on: ubuntu-latest
+ steps:
+ - name: Checkout repository
+ uses: actions/checkout@v2
+
+ - name: Install wasm-pack
+ run: curl https://rustwasm.github.io/wasm-pack/installer/init.sh -sSf | sh
+
+ - name: Build Rust code
+ run: wasm-pack build
+ working-directory: examples/wasm
+
+ - name: Install Npm dependencies
+ run: npm install
+ working-directory: examples/wasm/www
+
+ - name: Pack JavaScript and HTML
+ run: npm run build
+ working-directory: examples/wasm/www