Added vala example with constructor that does not work

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This example is forked from https://github.com/antono/vala-object
I've add an constructor to demonstrate that the constructor does not work.

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I've tested the example with Gjs and Seed and there it does not work, too. So It seems like it is not a problem coming from node-gir.

Is this a design decision for gir on Javascript or is the problem the generated .gir file?

[antono]

Hey, try GObject style constructor in vala. they worked for me:

https://live.gnome.org/Vala/Tutorial#GObject-Style_Construction

public class Person : Object {

    /* Construction properties */
    public string name { get; construct; }
    public int age { get; construct set; }

    public Person(string name) {
        Object(name: name);
    }

    public Person.with_age(string name, int years) {
        Object(name: name, age: years);
    }

    construct {
        // do anything else
        stdout.printf("Welcome %s\n", this.name);
    }
}

[JumpLink]

juergbi says me that some gir bindings support vala-instantiation using _new functions by treating them like a static function. For example in ruby-gir-ffi it works, I think. So it would be cool If node-gir would also be able to. The information should all be in the vala-generated .gir.