Update javac demo to use JS interop API shipped with GraalVM

Author: patrick96

native-image/wasm-javac/README.md

@@ -7,7 +7,7 @@ This demo illustrates how to use the new experimental WebAssembly backend for Gr
 This demo requires:
 
 1. An [Early Access Build](https://github.com/graalvm/oracle-graalvm-ea-builds) of Oracle GraalVM for JDK 25 or later.
-    For example, using SDKMAN!: `sdk install java 25.ea.18-graal`
+    For example, using SDKMAN!: `sdk install java 25.ea.25-graal`
 2. The [Binaryen toolchain](https://github.com/WebAssembly/binaryen) in version 119 or later and on the system path.
     For example, using Homebrew: `brew install binaryen`
 

native-image/wasm-javac/pom.xml

@@ -56,24 +56,18 @@
                         <arg>-parameters</arg>
                         <arg>--add-exports=jdk.jdeps/com.sun.tools.javap=ALL-UNNAMED</arg>
                         <arg>--add-modules=jdk.jdeps</arg>
+                        <!--
+                            The JS interop API is experimental and currently
+                            hidden in the impl subpackage, which has to be
+                            exported explicitly
+                        -->
+                        <arg>--add-exports=org.graalvm.nativeimage/org.graalvm.nativeimage.impl.js=ALL-UNNAMED</arg>
                     </compilerArgs>
                 </configuration>
             </plugin>
         </plugins>
     </build>
 
-    <dependencies>
-        <dependency>
-            <artifactId>someArtifactId</artifactId>
-            <groupId>someGroupId</groupId>
-            <version>1.0</version>
-            <scope>system</scope>
-            <systemPath>
-                ${java.home}/lib/svm/tools/svm-wasm/builder/svm-wasm-api.jar
-            </systemPath>
-        </dependency>
-    </dependencies>
-
     <profiles>
         <profile>
             <id>native</id>

native-image/wasm-javac/src/main/java/com/example/JavacMain.java

@@ -13,9 +13,9 @@
 import javax.tools.Diagnostic;
 import javax.tools.JavaFileObject;
 
-import org.graalvm.webimage.api.JS;
-import org.graalvm.webimage.api.JSNumber;
-import org.graalvm.webimage.api.JSObject;
+import org.graalvm.nativeimage.impl.js.JS;
+import org.graalvm.nativeimage.impl.js.JSNumber;
+import org.graalvm.nativeimage.impl.js.JSObject;
 
 public class JavacMain {
     public static void main(String[] args) throws IOException {

native-image/wasm-javac/src/main/java/com/example/WebMain.java

@@ -20,10 +20,10 @@
 import com.example.JavacCompilerWrapper;
 import com.example.JavacCompilerWrapper.FileContent;
 import com.example.preload.PreLoadedFiles;
-import org.graalvm.webimage.api.JS;
-import org.graalvm.webimage.api.JSBoolean;
-import org.graalvm.webimage.api.JSObject;
-import org.graalvm.webimage.api.JSString;
+import org.graalvm.nativeimage.impl.js.JS;
+import org.graalvm.nativeimage.impl.js.JSBoolean;
+import org.graalvm.nativeimage.impl.js.JSObject;
+import org.graalvm.nativeimage.impl.js.JSString;
 
 import com.sun.tools.javap.JavapTask;