code: function rowsToCells (rows) {
    if (!rows) {
      return {}
    }
  
    const children = rows
      .map((row) => {
        return {
          children: _.map(row, convertCell)
        }
      })
  
    return {
      children
    }
  }
docs: Converts rows of v1 cells to v2 cells. Simplifies the row structure when possible.
  
  @param {Array<object>[]} rows A set of rows to convert
  @returns {object} A v2 cell