Function parseCsv

src/renderer/src/features/export/plugins/editors/csvEditor.tsx:16–51

* Parse CSV string to table data

(csv: string)

 * Parse CSV string to table data
 */
function parseCsv(csv: string): { headers: string[]; rows: string[][] } {
  const lines = csv.trim().split('\n')
  if (lines.length === 0 || (lines.length === 1 && lines[0].trim() === '')) {
    return { headers: ['Column 1'], rows: [] }
  }

  const parseRow = (line: string): string[] => {
    const cells: string[] = []
    let current = ''
    let inQuotes = false

    for (let i = 0; i < line.length; i++) {
      const char = line[i]
      if (char === '"') {
        if (inQuotes && line[i + 1] === '"') {
          current += '"'
          i++
        } else {
          inQuotes = !inQuotes
        }
      } else if (char === ',' && !inQuotes) {
        cells.push(current)
        current = ''
      } else {
        current += char
      }
    }
    cells.push(current)
    return cells
  }

  const headers = parseRow(lines[0])
  const rows = lines.slice(1).map(parseRow)

  return { headers, rows }
}

/**
 * Convert table data to CSV string