Update WASM to use MVP for transpilation

.github/workflows/build-wasm-internal.yml

@@ -54,7 +54,7 @@ jobs:
       - name: Install rust
         uses: dtolnay/rust-toolchain@7b1c307e0dcbda6122208f10795a713336a9b35a # stable
         with:
-          toolchain: 1.81.0
+          toolchain: stable
           targets: wasm32-unknown-unknown
 
       - name: Cache cargo registry

crates/bitwarden-wasm-internal/build.sh

@@ -3,23 +3,38 @@ cd "$(dirname "$0")"
 cd ../../
 
 if [ "$1" != "-r" ]; then
-  # Dev
-  cargo build -p bitwarden-wasm-internal --target wasm32-unknown-unknown
-  wasm-bindgen --target bundler --out-dir crates/bitwarden-wasm-internal/npm ./target/wasm32-unknown-unknown/debug/bitwarden_wasm_internal.wasm
-  wasm-bindgen --target nodejs --out-dir crates/bitwarden-wasm-internal/npm/node ./target/wasm32-unknown-unknown/debug/bitwarden_wasm_internal.wasm
+  echo "Building in debug mode"
+  RELEASE_FLAG=""
+  BUILD_FOLDER="debug"
 else
-  # Release
-  cargo build -p bitwarden-wasm-internal --target wasm32-unknown-unknown --release
-  wasm-bindgen --target bundler --out-dir crates/bitwarden-wasm-internal/npm ./target/wasm32-unknown-unknown/release/bitwarden_wasm_internal.wasm
-  wasm-bindgen --target nodejs --out-dir crates/bitwarden-wasm-internal/npm/node ./target/wasm32-unknown-unknown/release/bitwarden_wasm_internal.wasm
+  echo "Building in release mode"
+  RELEASE_FLAG="--release"
+  BUILD_FOLDER="release"
 fi
 
+# Build normally
+cargo build -p bitwarden-wasm-internal --target wasm32-unknown-unknown 
+wasm-bindgen --target bundler --out-dir crates/bitwarden-wasm-internal/npm ./target/wasm32-unknown-unknown/${BUILD_FOLDER}/bitwarden_wasm_internal.wasm
+wasm-bindgen --target nodejs --out-dir crates/bitwarden-wasm-internal/npm/node ./target/wasm32-unknown-unknown/${BUILD_FOLDER}/bitwarden_wasm_internal.wasm
+
+# Build with MVP CPU target, for wasm2js support
+# Note that this requirest build-std which is an unstable feature,
+# this normally requires a nightly build, but we can also use the 
+# RUSTC_BOOTSTRAP hack to use the same stable version as the normal build
+RUSTFLAGS=-Ctarget-cpu=mvp RUSTC_BOOTSTRAP=1 cargo build -p bitwarden-wasm-internal -Zbuild-std=panic_abort,std --target wasm32-unknown-unknown 
+cp ./target/wasm32-unknown-unknown/${BUILD_FOLDER}/bitwarden_wasm_internal.wasm ./crates/bitwarden-wasm-internal/npm/node/bitwarden_wasm_internal_bg.mvp.wasm
+
 # Format
 npx prettier --write ./crates/bitwarden-wasm-internal/npm
 
 # Optimize size
 wasm-opt -Os ./crates/bitwarden-wasm-internal/npm/bitwarden_wasm_internal_bg.wasm -o ./crates/bitwarden-wasm-internal/npm/bitwarden_wasm_internal_bg.wasm
+wasm-opt -Os ./crates/bitwarden-wasm-internal/npm/node/bitwarden_wasm_internal_bg.wasm -o ./crates/bitwarden-wasm-internal/npm/node/bitwarden_wasm_internal_bg.wasm
+wasm-opt -Os ./crates/bitwarden-wasm-internal/npm/node/bitwarden_wasm_internal_bg.mvp.wasm -o ./crates/bitwarden-wasm-internal/npm/node/bitwarden_wasm_internal_bg.mvp.wasm
 
 # Transpile to JS
-wasm2js ./crates/bitwarden-wasm-internal/npm/bitwarden_wasm_internal_bg.wasm -o ./crates/bitwarden-wasm-internal/npm/bitwarden_wasm_internal_bg.wasm.js
+wasm2js ./crates/bitwarden-wasm-internal/npm/node/bitwarden_wasm_internal_bg.mvp.wasm -o ./crates/bitwarden-wasm-internal/npm/bitwarden_wasm_internal_bg.wasm.js
 npx terser ./crates/bitwarden-wasm-internal/npm/bitwarden_wasm_internal_bg.wasm.js -o ./crates/bitwarden-wasm-internal/npm/bitwarden_wasm_internal_bg.wasm.js
+
+# Remove unneeded files
+rm ./crates/bitwarden-wasm-internal/npm/node/bitwarden_wasm_internal_bg.mvp.wasm

crates/bitwarden-wasm-internal/npm/.gitignore

@@ -3,5 +3,6 @@ bitwarden_wasm_internal_bg.js
 bitwarden_wasm_internal_bg.wasm
 bitwarden_wasm_internal_bg.wasm.d.ts
 bitwarden_wasm_internal_bg.wasm.js
+bitwarden_wasm_internal_bg.mvp.wasm
 bitwarden_wasm_internal.d.ts
 bitwarden_wasm_internal.js