Function parseJsonText

frontend/src/hooks/stream/useStreamingJSONParser.ts:345–387

(text: string)

   * Parse a JSON text string directly (for small data)
   */
  const parseJsonText = (text: string): DataParseResult => {
    try {
      // Parse JSON text
      let parsedJSON: any;
      
      try {
        parsedJSON = JSON.parse(text);
      } catch (err) {
        throw new Error(`Invalid JSON: ${err instanceof Error ? err.message : String(err)}`);
      }
      
      // Ensure we have an array to work with
      const jsonArray = Array.isArray(parsedJSON) 
        ? parsedJSON 
        : [parsedJSON];
      
      // Flatten JSON for tabular display
      const [flattenedData, schema] = flattenJSON(jsonArray);
      
      // Convert array of column types to the format expected by consumers
      const columnTypes = flattenedData[0].map(header => 
        schema.properties[header] || ColumnType.Text
      );
      
      // Prepare result
      const result: DataParseResult = {
        data: flattenedData,
        columnTypes,
        fileName: 'json-text',
        rowCount: jsonArray.length,
        columnCount: flattenedData[0].length,
        sourceType: DataSourceType.JSON,
        rawData: parsedJSON,
        schema
      };
      
      return result;
    } catch (err) {
      const errorMessage = err instanceof Error ? err.message : 'Unknown error parsing JSON text';
      setError(errorMessage);
      throw err;
    }
  };
  
  return {
    parseJson,