Method _getOverlayConfig

src/cdk/dialog/dialog.ts:206–230

* Creates an overlay config from a dialog config. * @param config The dialog configuration. * @returns The overlay configuration.

(config: DialogConfig<D, R>)

   * @returns The overlay configuration.
   */
  private _getOverlayConfig<D, R>(config: DialogConfig<D, R>): OverlayConfig {
    const state = new OverlayConfig({
      positionStrategy:
        config.positionStrategy ||
        createGlobalPositionStrategy(this._injector).centerHorizontally().centerVertically(),
      scrollStrategy: config.scrollStrategy || this._scrollStrategy(),
      panelClass: config.panelClass,
      hasBackdrop: config.hasBackdrop,
      direction: config.direction,
      minWidth: config.minWidth,
      minHeight: config.minHeight,
      maxWidth: config.maxWidth,
      maxHeight: config.maxHeight,
      width: config.width,
      height: config.height,
      disposeOnNavigation: config.closeOnNavigation,
      disableAnimations: config.disableAnimations,
    });

    if (config.backdropClass) {
      state.backdropClass = config.backdropClass;
    }

    return state;
  }

  /**
   * Attaches a dialog container to a dialog's already-created overlay.