Method cloneShallow

src/data/SeriesData.ts:1346–1360

* Shallow clone a new list except visual and layout properties, and graph elements. * New list only change the indices.

(list?: SeriesData<HostModel>)

     * New list only change the indices.
     */
    cloneShallow(list?: SeriesData<HostModel>): SeriesData<HostModel> {
        if (!list) {
            list = new SeriesData(
                this._schema
                    ? this._schema
                    : map(this.dimensions, this._getDimInfo, this),
                this.hostModel
            );
        }

        transferProperties(list, this);
        list._store = this._store;

        return list;
    }

    /**
     * Wrap some method to add more feature