Method _setupStickyStyler

src/cdk/table/table.ts:1473–1492

* Creates the sticky styler that will be used for sticky rows and columns. Listens * for directionality changes and provides the latest direction to the styler. Re-applies column * stickiness when directionality changes.

()

   * stickiness when directionality changes.
   */
  private _setupStickyStyler() {
    const direction: Direction = this._dir ? this._dir.value : 'ltr';
    const injector = this._injector;

    this._stickyStyler = new StickyStyler(
      this._isNativeHtmlTable,
      this.stickyCssClass,
      this._platform.isBrowser,
      this.needsPositionStickyOnElement,
      direction,
      this,
      injector,
    );
    (this._dir ? this._dir.change : observableOf<Direction>())
      .pipe(takeUntil(this._onDestroy))
      .subscribe(value => {
        this._stickyStyler.direction = value;
        this.updateStickyColumnStyles();
      });
  }

  private _setupVirtualScrolling(viewport: CdkVirtualScrollViewport) {
    const virtualScrollScheduler =