"use strict";
class Asn {
    constructor(params = {}) {
        this.x = 0;
        this.y = 0;
        this.height = 1;
        this.width = 1;
        Object.assign(this, params);
    }
}
const a = new Asn({ x:3, y: 0, height: 23, width: 1});
console.assert(a.x === 3)

"use strict";
class Box {
    constructor(params = {}) {
        var { x = 0, y = 0, height = 1, width = 1 } = params;
        this.x = x;
        this.y = y;
        this.height = height;
        this.width = width;
    }
}
const b = new Box({ x:3, y: 0, height: 23, width: 1});
console.assert(b.x === 3)