Replace gradle node plugin and switch to V8 canary.

build.gradle

@@ -1,5 +1,4 @@
 plugins {
-    id "com.github.node-gradle.node" version "2.2.3"
     id 'com.github.kt3k.coveralls' version '2.8.2' // Coverage
     id "com.jfrog.bintray" version "1.8.4"
 }
@@ -83,27 +82,6 @@ artifacts {
     archives javadocJar
 }
 
-node {
-    version = '14.0.0'
-//    version = '+'
-    download = true
-}
-
-task nodeVersion(type: NodeTask) {
-    test.dependsOn it
-    options = ['-v']
-    script = file("$buildDir/tmp/scriptDoesNotExists.js")
-    script.parentFile.mkdirs()
-    script.text = ''
-    doLast {
-        if( node.download ) {
-            def nodeDir = nodeSetup.getNodeDir() // dir is only valid if downloaded
-            println nodeDir
-            test.systemProperty 'node.dir', nodeDir
-        }
-    }
-}
-
 test {
     systemProperty "file.encoding", "UTF-8"
     testLogging {

src/de/inetsoftware/jwebassembly/binary/BinaryModuleWriter.java

@@ -125,8 +125,8 @@ public class BinaryModuleWriter extends ModuleWriter implements InstructionOpcod
         writeSection( SectionType.Function, functions.values() );
         writeTableSection();
         writeMemorySection();
+        writeEventSection();
         writeSection( SectionType.Global, globals.values() );
-        writeEventSection(); // TODO event section before global section
         writeSection( SectionType.Export, exports );
         writeStartSection();
         writeElementSection();

test/de/inetsoftware/jwebassembly/ScriptEngine.java

@@ -44,7 +44,7 @@ public enum ScriptEngine {
     public static ScriptEngine[] testEngines() {
         ScriptEngine[] val = { //
                         SpiderMonkey, //
-                        //TODO NodeJS, //
+                        NodeJS, //
                         //TODO NodeWat, //
                         SpiderMonkeyWat,//
                         //TODO Wat2Wasm, //

test/de/inetsoftware/jwebassembly/WasmRule.java

@@ -57,6 +57,8 @@ public class WasmRule extends TemporaryFolder {
 
     private static final SpiderMonkey spiderMonkey = new SpiderMonkey();
 
+    private static final Node         node = new Node();
+
     private static final Wat2Wasm     wat2Wasm = new Wat2Wasm();
 
     private static boolean            npmWabtNightly;
@@ -619,10 +621,12 @@ public class WasmRule extends TemporaryFolder {
      * The executable of the node command.
      * 
      * @return the node executable
+     * @throws IOException
+     *             if any I/O error occur
      */
     @Nonnull
-    private static String nodeExecuable() {
+    private static String nodeExecuable() throws IOException {
-        String command = System.getProperty( "node.dir" );
+        String command = node.getNodeDir();
         if( command == null ) {
             command = "node";
         } else {
@@ -641,14 +645,17 @@ public class WasmRule extends TemporaryFolder {
      * @param script
      *            the path to the script that should be executed
      * @return the value from the script
+     * @throws IOException
+     *             if any I/O error occur
      */
-    private static ProcessBuilder nodeJsCommand( File script ) {
+    private static ProcessBuilder nodeJsCommand( File script ) throws IOException {
         String command = nodeExecuable();
         // details see with command: node --v8-options
         ProcessBuilder processBuilder = new ProcessBuilder( command, //
                         "--experimental-wasm-mv", // multi value
                         "--experimental-wasm-eh", // exception handling
                         "--experimental-wasm-anyref", //
+                        "--experimental-wasm-gc", //
                         "--experimental-wasm-bigint", //
                         "--experimental-wasm-bulk-memory", // bulk memory for WABT version 1.0.13, https://github.com/WebAssembly/wabt/issues/1311
                         script.getName() );