ci: add WASM tests

.github/workflows/test.yml

@@ -24,3 +24,18 @@ jobs:
         with:
           command: test
           args: --workspace --all-features --no-fail-fast
+  wasm-testing:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Install rust nightly
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: nightly
+          override: true
+      - uses: Swatinem/rust-cache@v2
+      - uses: jetli/[email protected]
+      - name: Add wasm32 target
+        run: rustup target add wasm32-unknown-unknown
+      - name: Test in headless Chrome
+        run: wasm-pack test --headless --chrome

Cargo.toml

@@ -79,5 +79,13 @@ serde = [
 ]
 stl = ["strict_types", "strict_types/base64", "bp-consensus/stl", "commit_verify/stl"]
 
+[target.'cfg(target_arch = "wasm32")'.dependencies]
+wasm-bindgen = "0.2"
+rand = { version = "0.8.4", optional = true }
+getrandom = { version = "0.2", features = ["js"] }
+
+[target.'cfg(target_arch = "wasm32")'.dev-dependencies]
+wasm-bindgen-test = "0.3"
+
 [package.metadata.docs.rs]
 features = [ "all" ]