WIP adding wasm target

quickjs_make_wasm.sh

@@ -0,0 +1,76 @@
+#!/bin/bash
+
+EMSDK_PATH="emsdk"
+DESIRED_VERSION="2.0.19-lto"
+REPO_DIR="backend-quickjs"
+
+install_emsdk() {
+    echo "Installing Emscripten SDK..."
+
+    # Fetch the latest version of the emsdk (Emscripten SDK) repository
+    git clone https://github.com/emscripten-core/emsdk.git $EMSDK_PATH
+
+    # Fetch the latest registry of available tools
+    $EMSDK_PATH/emsdk update-tags
+
+    # Install the desired version of the SDK
+    $EMSDK_PATH/emsdk install $DESIRED_VERSION
+
+    # Activate the installed SDK version
+    $EMSDK_PATH/emsdk activate $DESIRED_VERSION
+
+    # Source the Emscripten environment into the current shell session
+    source $EMSDK_PATH/emsdk_env.sh
+
+    echo "Emscripten SDK installed successfully!"
+}
+
+check_emsdk_version() {
+    if $EMSDK_PATH/emsdk list 2>&1 | grep -q "$DESIRED_VERSION.*INSTALLED"; then
+        echo "Emscripten version $DESIRED_VERSION is already installed."
+        return 0
+    else
+        return 1
+    fi
+}
+
+# Check for emsdk installation and correct version
+if [ ! -d "$EMSDK_PATH" ]; then
+    install_emsdk
+elif ! check_emsdk_version; then
+    read -p "Emscripten version $DESIRED_VERSION is not installed. Would you like to install it now? (y/n): " response
+    if [ "$response" == "y" ]; then
+        install_emsdk
+    else
+        echo "Exiting..."
+        exit 1
+    fi
+fi
+
+# Source the Emscripten environment
+source $EMSDK_PATH/emsdk_env.sh
+
+# Set up Emscripten compiler environment
+export CC="emcc"
+export CXX="em++"
+
+BUILD_DIR="$REPO_DIR/build_wasm"
+
+# Create build directory
+mkdir -p $BUILD_DIR
+
+# Configure cmake for WebAssembly using absolute paths
+emcmake cmake $REPO_DIR -B$BUILD_DIR
+
+# Build using cmake
+cmake --build $BUILD_DIR --config Release
+
+LIB_OUTPUT_DIR="$REPO_DIR/qjs/quickjs/Lib/WASM"
+
+# Create library output directory
+mkdir -p $LIB_OUTPUT_DIR
+
+# Copy the generated .a file
+cp $BUILD_DIR/libquickjs.a $LIB_OUTPUT_DIR
+
+echo "Successfully built and copied the WebAssembly library!"

unity/cli/cmd.mts

@@ -18,7 +18,7 @@ program
     .addOption(
         new Option("--platform <platform>", "the target platform")
             .default("")
-            .choices(["win", "osx", "linux", "android", "ios"])
+            .choices(["win", "osx", "linux", "android", "ios", "web"])
     )
     .addOption(
         new Option("--arch <arch>", "the target architecture")

unity/cli/make.mts

@@ -10,13 +10,31 @@ const glob = createRequire(fileURLToPath(import.meta.url))('glob');
 
 interface BuildOptions {
     config: 'Debug' | 'Release' | "RelWithDebInfo",
-    platform: 'osx' | 'win' | 'ios' | 'android' | 'linux',
-    arch: 'x64' | 'ia32' | 'armv7' | 'arm64' | 'auto',
+    platform: 'osx' | 'win' | 'ios' | 'android' | 'linux' | 'web',
+    arch: 'x64' | 'ia32' | 'armv7' | 'arm64' | 'auto' | 'wasm',
     backend: string
 }
 
 //// 脚本 scripts
 const platformCompileConfig = {
+    // ... (other platform configs)
+    'web': {
+        'wasm': {
+            outputPluginPath: 'web/wasm',
+            hook: function(CMAKE_BUILD_PATH: string, options: BuildOptions, cmakeAddedLibraryName: string, cmakeDArgs: string) {
+                // We are assuming you are using Emscripten's emcmake tool to use CMake for WebAssembly compilation
+                const EMSDK_PATH = process.env.EMSDK_PATH || "~/emsdk";
+                const EMSCRIPTEN_CMAKE_TOOLCHAIN_FILE = `${EMSDK_PATH}/upstream/emscripten/cmake/Modules/Platform/Emscripten.cmake`;
+
+                // Invoking emcmake with cmake for WebAssembly compilation
+                assert.equal(0, exec(`${EMSDK_PATH}/upstream/emscripten/emcmake cmake ${cmakeDArgs} -DCMAKE_TOOLCHAIN_FILE=${EMSCRIPTEN_CMAKE_TOOLCHAIN_FILE} -DJS_ENGINE=${options.backend} -H. -B${CMAKE_BUILD_PATH}`).code);
+                assert.equal(0, exec(`cmake --build ${CMAKE_BUILD_PATH} --config ${options.config}`).code);
+
+                // Assuming your output is in the format of .wasm
+                return `${CMAKE_BUILD_PATH}/${cmakeAddedLibraryName}.wasm`;
+            }
+        }
+    },
     'android': {
         'armv7': {
             outputPluginPath: 'Android/libs/armeabi-v7a/',