safeer-pdf-generator/dist/esm/core/ChunkCoordinator.d.ts

Framework-agnostic PDF generation library with chunking, merging, S3 upload, and email delivery

import { PdfGenerationOptions, TemplateCompilerFunction, LoggingAdapter, HooksConfig } from '../types.js';
import { PdfEngine } from './PdfEngine.js';
/**
 * Coordinates the processing of data chunks into PDF buffers
 */
export declare class ChunkCoordinator {
    private readonly logger;
    private readonly hooks;
    constructor(logger?: LoggingAdapter, hooks?: HooksConfig);
    /**
     * Process data into chunks and generate PDF buffers
     */
    processChunks(options: PdfGenerationOptions, templateCompiler: TemplateCompilerFunction, pdfEngine: PdfEngine): Promise<Buffer[]>;
    /**
     * Process data as a single chunk
     */
    private processSingleChunk;
    /**
     * Prepare options with enhanced features like logo processing
     */
    private prepareChunkOptions;
    /**
     * Calculate optimal chunk configuration based on data size and system resources
     */
    static calculateOptimalChunking(dataLength: number, availableMemoryMB?: number): {
        chunkSize: number;
        maxConcurrency: number;
        enabled: boolean;
    };
    /**
     * Estimate memory usage for chunk processing
     */
    static estimateMemoryUsage(_dataLength: number, chunkSize: number, maxConcurrency: number, avgRowSizeKB?: number): {
        estimatedMB: number;
        recommendation: string;
    };
    /**
     * Validate chunk configuration
     */
    static validateChunkConfig(config: {
        chunkSize?: number;
        maxConcurrency?: number;
        dataLength: number;
    }): {
        valid: boolean;
        errors: string[];
    };
}
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