Enabled some ES6 features

[aasakawa]

astah_script_plugin-2.1.3.zip

Astah SysML/SystemSafety 9.0 or later (Nashorn 15.4)

with (new JavaImporter(com.change_vision.jude.api.inf.model)) {
    const classes = astah.findElements(IClass.class);
    for (const class_ of classes) {
        print(`Found: "${class_.getName()}"\n`);
    }
}

Astah Professional/UML (JDK 8)

with (new JavaImporter(com.change_vision.jude.api.inf.model)) {
    const classes = astah.findElements(IClass.class);
    for (var i in classes) {
        print(classes[i].getName());
    }
}