Method countRows

handsontable/src/dataMap/dataSource.ts:399–409

* Count number of rows. * * @returns {number}

()

   * @returns {number}
   */
  countRows() {
    if (this.hot!.hasHook('modifySourceLength')) {
      const modifiedSourceLength = this.hot!.runHooks('modifySourceLength');

      if (typeof modifiedSourceLength === 'number' && Number.isInteger(modifiedSourceLength)) {
        return modifiedSourceLength;
      }
    }

    return this.data!.length;
  }

  /**
   * Count number of columns.