Function parseCSV

frontend/src/hooks/stream/useStreamingCSVParser.ts:309–343

(
    file: File,
    options: {
      batchSize?: number;
      delimiter?: string;
      onChunkParsed?: (chunk: string[][], headers: string[], isFirstChunk: boolean) => Promise<void>;
      onProgress?: (progress: number, stats: StreamingCSVParseStats) => void;
      sampleRowsLimit?: number;
    } = {}
  )

   * Main function to parse a CSV file
   */
  const parseCSV = async (
    file: File,
    options: {
      batchSize?: number;
      delimiter?: string;
      onChunkParsed?: (chunk: string[][], headers: string[], isFirstChunk: boolean) => Promise<void>;
      onProgress?: (progress: number, stats: StreamingCSVParseStats) => void;
      sampleRowsLimit?: number;
    } = {}
  ): Promise<CSVParseResult> => {
    try {
      setIsLoading(true);
      setError(null);
      setProgress(0);
      
      // Stream the file
      const fileStream = file.stream();
      
      // Parse the stream
      const result = await parseCSVStream(fileStream, {
        ...options,
        estimatedTotalBytes: file.size,
        onComplete: (result) => {
          result.fileName = file.name;
        }
      });
      
      return result;
    } catch (err) {
      const errorMessage = err instanceof Error ? err.message : 'Unknown error parsing CSV';
      setError(errorMessage);
      setIsLoading(false);
      throw err;
    }
  };
  
  /**
   * Parse a small fragment of CSV text directly