Function handleCancel

  • handleCancel(message: CancelMessage, activeTasks: Set<string>): void

    Handles cancellation of worker tasks and notifies CSV parsing when applicable.

    Parameters

    • message: CancelMessage

      The cancel message containing the target task ID.

    • activeTasks: Set<string>

      Collection of currently active task IDs.

    Returns void

    Source

    export function handleCancel(
      message: CancelMessage,
      activeTasks: Set<string>,
    ): void {
      const { taskId } = message.payload;
      console.debug(`[Worker] ⏹️ Cancel requested for task ${taskId}`);

      const csvState = csvParserStates.get(taskId);
      const hadCSVTask = !!csvState;

      // Ensure local tracking and CSV parser state are cleared for the cancelled task
      activeTasks.delete(taskId);
      csvParserStates.delete(taskId);

      if (hadCSVTask) {
        self.postMessage({
          type: "CSV_CANCELLED",
          payload: { taskId },
        });
      }
    }

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