Function insertColumn

packages/app-core/src/lib/markdown-table.ts:319–330

(
  table: MarkdownTable,
  index: number,
  align: ColumnAlign = 'none'
)

/** Insert an empty column at `index` (clamped) with the given alignment. */
export function insertColumn(
  table: MarkdownTable,
  index: number,
  align: ColumnAlign = 'none'
): MarkdownTable {
  const next = clone(table)
  const at = Math.max(0, Math.min(index, columnCount(next)))
  next.headers.splice(at, 0, '')
  next.aligns.splice(at, 0, align)
  for (const row of next.rows) row.splice(at, 0, '')
  return next
}

export function deleteColumn(table: MarkdownTable, index: number): MarkdownTable {
  if (index < 0 || index >= columnCount(table)) return table