fix residual globals mapping

transpiler/src/main/java/org/jsweet/transpiler/JSweetContext.java

@@ -1051,6 +1051,13 @@ public class JSweetContext extends Context {
 		globalsMapping.put(from, to);
 	}
 
+    /**
+     * Clear globals mappings.
+     */
+    public void clearGlobalsMappings() {
+        globalsMapping.clear();;
+    }
+
 	/**
 	 * Returns the TypeScript string for globals mapping.
 	 */

transpiler/src/main/java/org/jsweet/transpiler/JSweetTranspiler.java

@@ -1052,6 +1052,7 @@ public class JSweetTranspiler implements JSweetOptions {
 				logger.info("created " + outputFilePath);
 			} finally {
 				context.clearHeaders();
+				context.clearGlobalsMappings();
 				context.clearFooterStatements();
 			}
 			

transpiler/src/main/java/org/jsweet/transpiler/Java2TypeScriptTranslator.java

@@ -5783,7 +5783,7 @@ public class Java2TypeScriptTranslator extends AbstractTreePrinter {
 					print(exprStr, expr);
 					if (checkFirstArrayElement)
 						print("[0]");
-					print(").length == " + context.getFunctionalTypeParameterCount(type));
+					print(").length === " + context.getFunctionalTypeParameterCount(type));
 				}
 			} else {
 				print(exprStr, expr);