Add Ruby 4.0

Author: eggplants

app/ruby_engine.rb

@@ -39,20 +39,25 @@ def loading(part = nil)
   # When you update the engines, ensure that they are tested correctly.
   # Update the engine list also in spec/playground_spec.
   ENGINES = [
-    # https://www.jsdelivr.com/package/npm/@ruby/3.4-wasm-wasi?tab=files&path=dist&version=2.7.2
+    # https://www.jsdelivr.com/package/npm/@ruby/4.0-wasm-wasi?tab=files&path=dist&version=2.8.1
     CRubyWASI.new(
-      "https://cdn.jsdelivr.net/npm/@ruby/3.4-wasm-wasi@2.7.2/dist/ruby.wasm",
+      "https://cdn.jsdelivr.net/npm/@ruby/4.0-wasm-wasi@2.8.1/dist/ruby.wasm",
+      "4.0.0"
+    ),
+  # https://www.jsdelivr.com/package/npm/@ruby/3.4-wasm-wasi?tab=files&path=dist&version=2.8.1
+    CRubyWASI.new(
+      "https://cdn.jsdelivr.net/npm/@ruby/3.4-wasm-wasi@2.8.1/dist/ruby.wasm",
       "3.4.1"
     ),
-    # https://www.jsdelivr.com/package/npm/@ruby/3.3-wasm-wasi?tab=files&path=dist&version=2.7.2
+    # https://www.jsdelivr.com/package/npm/@ruby/3.3-wasm-wasi?tab=files&path=dist&version=2.8.1
     CRubyWASI.new(
-      "https://cdn.jsdelivr.net/npm/@ruby/3.3-wasm-wasi@2.7.2/dist/ruby.wasm",
-      "3.3.0"
+      "https://cdn.jsdelivr.net/npm/@ruby/3.3-wasm-wasi@2.8.1/dist/ruby.wasm",
+      "3.3.3"
     ),
-    # https://www.jsdelivr.com/package/npm/@ruby/3.2-wasm-wasi?tab=files&path=dist&version=2.7.2
+    # https://www.jsdelivr.com/package/npm/@ruby/3.2-wasm-wasi?tab=files&path=dist&version=2.8.1
     CRubyWASI.new(
-      "https://cdn.jsdelivr.net/npm/@ruby/3.2-wasm-wasi@2.7.2/dist/ruby.wasm",
-      "3.2.2"
+      "https://cdn.jsdelivr.net/npm/@ruby/3.2-wasm-wasi@2.8.1/dist/ruby.wasm",
+      "3.2.4"
     ),
     # Opal.new,
     OpalWebWorker.new("1.8.2"),

app/ruby_engine/cruby_wasi.rb

@@ -7,8 +7,8 @@ class RubyEngine
   class CRubyWASI < RubyEngine
     REQUIRED_SCRIPTS = [
         {
-            # https://www.jsdelivr.com/package/npm/@ruby/wasm-wasi?version=2.7.2&tab=files&path=dist
-            src: "https://cdn.jsdelivr.net/npm/@ruby/wasm-wasi@2.7.2/dist/index.umd.js",
+            # https://www.jsdelivr.com/package/npm/@ruby/wasm-wasi?version=2.8.1&tab=files&path=dist
+            src: "https://cdn.jsdelivr.net/npm/@ruby/wasm-wasi@2.8.1/dist/index.umd.js",
             integrity: "sha256-sxHtVJLn+brnck+saGLUKbu/JEP7pilIBgChJvVdjko=",
             crossorigin: "anonymous"
         },

app/try_ruby.rb

@@ -16,7 +16,7 @@ class TryRuby
   RUBY
   INITIAL_TRY_RESULT = 'Welcome ' * 3
 
-  DEFAULT_RUBY_ENGINE = "cruby-3.4.1"
+  DEFAULT_RUBY_ENGINE = "cruby-4.0.0"
 
   GEM_PRELUDE_WARNINGS = [
     "`RubyGems' were not loaded.",

spec/playground_spec.rb

@@ -2,7 +2,7 @@
 
 RSpec.describe "Playground", type: :feature, js: true do
   context "engine" do
-    engines = ["opal-ww-1.8.2", "cruby-3.2.2", "cruby-3.3.0", "cruby-3.4.1"]
+    engines = ["opal-ww-1.8.2", "cruby-3.2.4", "cruby-3.3.3", "cruby-3.4.1", "cruby-4.0.0"]
     engines.each do |engine|
       context engine do
         before :each do