Function findMaxDepth

packages/table-core/src/core/headers.ts:498–508

(columns: Column<TData, unknown>[], depth = 1)

  let maxDepth = 0

  const findMaxDepth = (columns: Column<TData, unknown>[], depth = 1) => {
    maxDepth = Math.max(maxDepth, depth)

    columns
      .filter((column) => column.getIsVisible())
      .forEach((column) => {
        if (column.columns?.length) {
          findMaxDepth(column.columns, depth + 1)
        }
      }, 0)
  }

  findMaxDepth(allColumns)