safeer-pdf-generator/dist/esm/core/PdfEventEmitter.js

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

import { EventEmitter } from 'events';
/**
 * Typed event emitter for PDF lifecycle events.
 *
 * @example
 * ```typescript
 * const events = new PdfEventEmitter();
 *
 * events.on('generation:started', ({ title, rowCount }) => {
 *   console.log(`Generating PDF: ${title} with ${rowCount} rows`);
 * });
 *
 * events.on('s3:upload:complete', ({ url }) => {
 *   notifyClient(url);
 * });
 *
 * events.on('error', ({ error, phase }) => {
 *   alertOps(`PDF failed at ${phase}: ${error.message}`);
 * });
 *
 * await generatePdf({ title: 'Report', data, columns, events });
 * ```
 */
export class PdfEventEmitter extends EventEmitter {
    /**
     * Emit a typed lifecycle event
     */
    emitEvent(event, payload) {
        return this.emit(event, payload);
    }
    /**
     * Listen for a typed lifecycle event
     */
    onEvent(event, listener) {
        return this.on(event, listener);
    }
    /**
     * Listen for a typed lifecycle event (once)
     */
    onceEvent(event, listener) {
        return this.once(event, listener);
    }
}
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