Method components

packages/core/src/dom_components/model/Component.ts:1163–1175

* Set new collection if `components` are provided, otherwise the * current collection is returned * @param {Component|Component[]|String} [components] Component Definitions or HTML string * @param {Object} [opts={}] Options, same as in `Component.append()` * @returns {Collection|Array<[

(
    components?: T,
    opts: ResetComponentsOptions = {},
  )

   * // -> 2
   */
  components<T extends ComponentAdd | undefined>(
    components?: T,
    opts: ResetComponentsOptions = {},
  ): undefined extends T ? Components : Component[] {
    const coll = this.get('components')!;

    if (isUndefined(components)) {
      return coll as any;
    } else {
      coll.reset(undefined, opts);
      return (components ? this.append(components, opts) : []) as any;
    }
  }

  /**
   * If exists, returns the child component at specific index.