Package Componentized Ruby in npm package

Author: kateinoigakukun

Rakefile

@@ -29,7 +29,8 @@ NPM_PACKAGES = [
     name: "ruby-head-wasm-wasi",
     ruby_version: "head",
     gemfile: "packages/npm-packages/ruby-wasm-wasi/Gemfile",
-    target: "wasm32-unknown-wasip1"
+    target: "wasm32-unknown-wasip1",
+    enable_component_model: true,
   },
   {
     name: "ruby-3.3-wasm-wasi",

lib/ruby_wasm/packager/core.rb

@@ -259,6 +259,9 @@ def build(executor, options)
 
     def cache_key(digest)
       derive_build.cache_key(digest)
+      if enabled = @packager.features.support_component_model?
+        digest << enabled.to_s
+      end
     end
 
     def artifact
@@ -340,6 +343,9 @@ def name
       exts = specs_with_extensions.sort
       hash = ::Digest::MD5.new
       specs_with_extensions.each { |spec, _| hash << spec.full_name }
+      if enabled = @packager.features.support_component_model?
+        hash << enabled.to_s
+      end
       exts.empty? ? base : "#{base}-#{hash.hexdigest}"
     end
   end

rakelib/packaging.rake

@@ -75,6 +75,14 @@ namespace :npm do
                *build_command,
                "-o",
                File.join(dist_dir, "ruby.debug+stdlib.wasm")
+            if pkg[:enable_component_model]
+              component_path = File.join(dist_dir, "ruby.component.wasm")
+              sh env.merge("RUBY_WASM_EXPERIMENTAL_COMPONENT_MODEL" => "1"),
+                 *build_command, "-o", component_path
+              sh "npx", "jco", "transpile",
+                "--no-wasi-shim", "--instantiation", "--valid-lifting-optimization", "--tracing",
+                component_path, "-o", File.join(dist_dir, "component")
+            end
           end
           sh wasi_sdk.wasm_opt,
              "--strip-debug",