```ts
export function parseCsvLine(line: string): string[] {
  if (!line || line.trim() === "") return [];

  const result: string[] = [];
  let currentField: string[] = [];
  let insideQuote = false;
  let quoteCount = 0;

  for (let i = 0; i < line.length; i++) {
    const char = line[i];

    if (char === '"') {
      if (quoteCount % 2 === 0) {
        insideQuote = !insideQuote;
      }
      quoteCount++;
      currentField.push(char);
    } else if (char === ',' && !insideQuote) {
      result.push(currentField.join(""));
      currentField = [];
    } else if (insideQuote) {
      currentField.push(char);
      continue;
    }

    currentField.push(char);
  }

  // Push the last field
  if (currentField.length > 0) {
    result.push(currentField.join(""));
  }

  return result.map(field => field.trim());
}
```