Method _setPadding

src/cdk/tree/padding.ts:85–96

(forceChange = false)

  }

  _setPadding(forceChange = false) {
    const padding = this._paddingIndent();

    if (padding !== this._currentPadding || forceChange) {
      const element = this._element.nativeElement;
      const paddingProp = this._dir && this._dir.value === 'rtl' ? 'paddingRight' : 'paddingLeft';
      const resetProp = paddingProp === 'paddingLeft' ? 'paddingRight' : 'paddingLeft';
      element.style[paddingProp] = padding || '';
      element.style[resetProp] = '';
      this._currentPadding = padding;
    }
  }

  /**
   * This has been extracted to a util because of TS 4 and VE.