lib/browser/history.rb in isomorfeus-preact-10.9.0 vs lib/browser/history.rb in isomorfeus-preact-22.9.0.rc1

@@ -1,32 +1,52 @@
 module Browser
   class History
-    include Native::Wrapper
+    if RUBY_ENGINE == 'opal'
+      include Native::Wrapper
 
-    alias_native :back
-    alias_native :forward
-    alias_native :go
+      alias_native :back
+      alias_native :forward
+      alias_native :go
 
-    native_reader :length
-    alias :size :length
+      native_reader :length
+      alias :size :length
 
-    def push_state(state, title = '', url = `null`)
-      `#@native.pushState(#{state.to_n}, #{title}, #{url})`
-    end
+      def push_state(state, title = '', url = `null`)
+        `#@native.pushState(#{state.to_n}, #{title}, #{url})`
+      end
 
-    def replace_state(state, title = '', url = `null`)
-      `#@native.replaceState(#{state.to_n}, #{title}, #{url})`
-    end
+      def replace_state(state, title = '', url = `null`)
+        `#@native.replaceState(#{state.to_n}, #{title}, #{url})`
+      end
 
-    def scroll_restoration
-      `#@native.scrollRestoration`
-    end
+      def scroll_restoration
+        `#@native.scrollRestoration`
+      end
 
-    def scroll_restoration=(s)
-      `#@native.scrollRestoration = #{s}`
-    end
+      def scroll_restoration=(s)
+        `#@native.scrollRestoration = #{s}`
+      end
 
-    def state
-      ::Hash.new(`#@native.state`)
+      def state
+        ::Hash.new(`#@native.state`)
+      end
+    else
+      def back; end
+      def forward; end
+      def go(_); end
+
+      def length
+        0
+      end
+      alias :size :length
+
+      def push_state(state, title = '', url = nil); end
+      def replace_state(state, title = '', url = nil); end
+      def scroll_restoration; end
+      def scroll_restoration=(s); end
+
+      def state
+        {}
+      end
     end
   end
 end