@mindfiredigital/pivothead/dist/engine/connectService.d.ts

PivotHead is a powerful and flexible library for creating interactive pivot tables in JavaScript applications. It provides a core engine for data manipulation and, in the future, will be compatible with wrappers for React, Vue, Svelte, and Angular, making

import { PivotEngine } from './pivotEngine';
import type { FileConnectionResult, CSVParseOptions, JSONParseOptions, ConnectionOptions, DataRecord } from '../types/interfaces';
export type { FileConnectionResult, CSVParseOptions, JSONParseOptions, ConnectionOptions, };
/**
 * Service class for handling local file connections
 */
export declare class ConnectService {
    private static workerPool;
    /**
     * Opens a file picker for CSV files and imports data into the pivot engine
     */
    static connectToLocalCSV(engine: PivotEngine<DataRecord>, options?: ConnectionOptions): Promise<FileConnectionResult>;
    /**
     * Opens a file picker for JSON files and imports data into the pivot engine
     */
    static connectToLocalJSON(engine: PivotEngine<DataRecord>, options?: ConnectionOptions): Promise<FileConnectionResult>;
    /**
     * Generic method to connect to any supported file type
     */
    static connectToLocalFile(engine: PivotEngine<DataRecord>, options?: ConnectionOptions): Promise<FileConnectionResult>;
    /**
     * Processes a CSV file and updates the pivot engine
     * Routes to the appropriate tier based on file size.
     */
    private static processCSVFile;
    /**
     * Processes a CSV file using WebAssembly for maximum performance
     */
    private static processCSVFileWithWasm;
    /**
     * Processes large CSV files using Streaming + WASM chunks
     * Optimized for files > 8MB
     */
    private static processCSVFileWithStreamingWasm;
    /**
     * Processes a CSV file using Web Workers and streaming
     */
    private static processCSVFileWithWorkers;
    /**
     * Processes a JSON file and updates the pivot engine
     */
    private static processJSONFile;
    /**
     * Creates a summary of the import result
     */
    static createImportSummary(result: FileConnectionResult): string;
    /**
     * Shows a browser notification for import results
     */
    static showImportNotification(result: FileConnectionResult): void;
}
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