Build wasm bundle on release

Author: LK

Cargo.toml

@@ -112,7 +112,7 @@ textwrap = "0.11"
 typify = "0.3.0"
 unicode-width = "0.2.0"
 urlencoding = "2.1"
-wasm-bindgen = "0.2.95"
+wasm-bindgen = "0.2.100"
 wasm-bindgen-test = "0.3"
 web-sys = { version = "0.3", features = ["console"] }
 zip = { version = "4.3", default-features = false, features = ["deflate"] }

bin/build-wasm-bundle.sh

@@ -0,0 +1,48 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+echo "Building WASM bundle for release..."
+
+# Add wasm32-unknown-unknown target
+rustup target add wasm32-unknown-unknown
+
+# Get wasm-bindgen version from the project to ensure CLI matches
+WASM_BINDGEN_VERSION=$(cargo tree -p pcb-zen-wasm -i wasm-bindgen | grep '^wasm-bindgen' | head -1 | awk '{print $2}' | sed 's/v//')
+echo "Detected wasm-bindgen version: $WASM_BINDGEN_VERSION"
+
+if [ -z "$WASM_BINDGEN_VERSION" ]; then
+    echo "❌ Failed to detect wasm-bindgen version"
+    exit 1
+fi
+
+# Install matching wasm-bindgen-cli
+cargo install wasm-bindgen-cli --version "$WASM_BINDGEN_VERSION"
+
+# Build pcb-zen-wasm with production optimizations (matching Bazel wasm-prod config)
+echo "Building pcb-zen-wasm with production optimizations..."
+RUSTFLAGS="-C opt-level=3 -C lto=fat -C embed-bitcode=yes -C codegen-units=1 -C target-feature=+tail-call" \
+  cargo build --release --target wasm32-unknown-unknown -p pcb-zen-wasm
+
+# Create output directory in target
+mkdir -p target/wasm-bundle
+
+# Run wasm-bindgen to generate JS bindings
+echo "Running wasm-bindgen..."
+wasm-bindgen target/wasm32-unknown-unknown/release/pcb_zen_wasm.wasm \
+  --out-dir target/wasm-bundle \
+  --target web \
+  --out-name pcb_zen_wasm_bindgen
+
+# Create tarball in target directory
+echo "Creating wasm-bundle.tar.gz..."
+tar -czf target/wasm-bundle.tar.gz -C target/wasm-bundle .
+
+# Show what we created
+echo "✅ WASM bundle created:"
+ls -lh target/wasm-bundle.tar.gz
+echo ""
+echo "Bundle contains:"
+tar -tzf target/wasm-bundle.tar.gz
+
+echo "Done!"
+

dist-workspace.toml

@@ -23,3 +23,8 @@ x86_64-apple-darwin = "macos-15-large"
 aarch64-apple-darwin = "macos-15-xlarge"
 x86_64-pc-windows-msvc = "windows-large"
 x86_64-unknown-linux-gnu = "ubicloud-standard-30-ubuntu-2204"
+
+# Build WASM bundle as extra artifact
+[[dist.extra-artifacts]]
+artifacts = ["target/wasm-bundle.tar.gz"]
+build = ["./bin/build-wasm-bundle.sh"]