Class DependencyGroup

src/dependency.ts:24–49

 * construct tree needs to be combined to be used as a single dependable.
 */
export class DependencyGroup implements IDependable {
  private readonly _deps = new Array<IDependable>();

  constructor(...deps: IDependable[]) {
    const self = this;

    Dependable.implement(this, {
      get dependencyRoots() {
        const result = new Array<IConstruct>();
        for (const d of self._deps) {
          result.push(...Dependable.of(d).dependencyRoots);
        }
        return result;
      },
    });

    this.add(...deps);
  }

  /**
   * Add a construct to the dependency roots
   */
  public add(...scopes: IDependable[]) {
    this._deps.push(...scopes);
  }
}

const DEPENDABLE_SYMBOL = Symbol.for('@aws-cdk/core.DependableTrait');