the-world-engine/dist/esm/engine/bootstrap/SceneBuilder.js

three.js based, unity like game engine for browser

import { GameObjectBuilder } from "../hierarchy_object/GameObjectBuilder";

export class SceneBuilder {
    v;
    $;
    constructor(e) {
        this.v = e;
        this.$ = [];
    }
    withChild(e) {
        this.$.push(e);
        return this;
    }
    build() {
        const e = this.$;
        for (let t = 0; t < e.length; ++t) {
            e[t].build(null);
        }
        GameObjectBuilder.processEventByGroup(e, this.v);
    }
}