export function createErrorNotification()

in packages/graph-explorer/src/modules/GraphViewer/ImportGraphButton.tsx [127:169]

• 38 lines of code
• 4 McCabe index (conditional complexity)

export function createErrorNotification(
  error: Error,
  file: File,
  allConnections: ConnectionWithId[]
): Notification {
  if (error instanceof ZodError) {
    // Parsing has failed
    logger.error(`Failed to parse the file "${file.name}"`, error.format());
    return {
      message: `Parsing the file "${file.name}" failed. Please ensure the file was originally saved from Graph Explorer and is not corrupt.`,
      type: "error",
    };
  } else if (error instanceof InvalidConnectionError) {
    // Invalid connection
    const matchingByUrlAndQueryEngine = allConnections.filter(connection =>
      isMatchingConnection(connection, error.connection)
    );

    // Get the display label for the given query engine
    const displayQueryEngine = getTranslation(
      "available-connections.graph-type",
      error.connection.queryEngine
    );

    if (matchingByUrlAndQueryEngine.length > 0) {
      const matchingConnection = matchingByUrlAndQueryEngine[0];
      return {
        message: `The graph file requires switching to connection ${matchingConnection.displayLabel}.`,
        type: "error",
      };
    } else {
      const dbUrl = error.connection.dbUrl;
      return {
        message: `The graph file requires a connection to ${dbUrl} using the graph type ${displayQueryEngine}.`,
        type: "error",
      };
    }
  }
  return {
    message: `Failed to load the graph because an error occurred.`,
    type: "error",
  };
}