Method addData

src/cdk/tree/tree.spec.ts:1598–1613

(level: number = 1)

  }

  addData(level: number = 1): TestData {
    const nextIndex = ++this.dataIndex;

    let copiedData = this.data.slice();
    const newData = new TestData(
      `topping_${nextIndex}`,
      `cheese_${nextIndex}`,
      `base_${nextIndex}`,
      level,
    );
    copiedData.push(newData);

    this.data = copiedData;

    return newData;
  }

  getRecursiveData(nodes: TestData[] = this._dataChange.getValue()): TestData[] {
    return [