@juspay/neurolink/dist/processors/data/JsonProcessor.d.ts

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/**
 * JSON Processing Utility
 *
 * Handles downloading, validating, and processing JSON files.
 * Provides parsed JSON content with validation and metadata extraction.
 *
 * Features:
 * - JSON syntax validation
 * - Pretty-printing for valid JSON
 * - Metadata extraction (key count, array length)
 * - Graceful error handling with detailed messages
 *
 * @module processors/data/JsonProcessor
 *
 * @example
 * ```typescript
 * import { jsonProcessor, isJsonFile, processJson } from "./JsonProcessor.js";
 *
 * // Check if file is JSON
 * if (isJsonFile("application/json", "config.json")) {
 *   // Process the file
 *   const result = await processJson(fileInfo);
 *   if (result.success && result.data) {
 *     console.log("Parsed JSON:", result.data.parsed);
 *     console.log("Pretty-printed:", result.data.content);
 *   }
 * }
 * ```
 */
import { BaseFileProcessor } from "../base/BaseFileProcessor.js";
import type { FileInfo, ProcessorFileProcessingResult, ProcessOptions, ProcessedJson } from "../../types/index.js";
/**
 * JSON file processor.
 * Extends BaseFileProcessor with JSON-specific parsing and validation.
 *
 * @example
 * ```typescript
 * const processor = new JsonProcessor();
 *
 * const result = await processor.processFile({
 *   id: "file-123",
 *   name: "config.json",
 *   mimetype: "application/json",
 *   size: 1024,
 *   buffer: jsonBuffer,
 * });
 *
 * if (result.success && result.data?.valid) {
 *   console.log("JSON keys:", result.data.keyCount);
 * }
 * ```
 */
export declare class JsonProcessor extends BaseFileProcessor<ProcessedJson> {
    constructor();
    /**
     * Validate downloaded JSON is parseable.
     *
     * @param buffer - Downloaded file content
     * @param _fileInfo - Original file information
     * @returns null if valid, error message if invalid
     */
    protected validateDownloadedFile(buffer: Buffer, _fileInfo: FileInfo): Promise<string | null>;
    /**
     * Build processed JSON result with parsed content.
     *
     * @param buffer - Downloaded file content
     * @param fileInfo - Original file information
     * @returns Processed JSON result
     */
    protected buildProcessedResult(buffer: Buffer, fileInfo: FileInfo): ProcessedJson;
}
/** Singleton JSON processor instance */
export declare const jsonProcessor: JsonProcessor;
/**
 * Check if a file is a JSON file based on MIME type or extension.
 *
 * @param mimetype - MIME type of the file
 * @param filename - Filename (for extension-based detection)
 * @returns true if the file is a JSON file
 *
 * @example
 * ```typescript
 * if (isJsonFile("application/json", "config.json")) {
 *   // Process as JSON
 * }
 * ```
 */
export declare function isJsonFile(mimetype: string, filename: string): boolean;
/**
 * Validate JSON file size against configured limit.
 *
 * @param sizeBytes - File size in bytes
 * @returns true if size is within the limit
 */
export declare function validateJsonSize(sizeBytes: number): boolean;
/**
 * Process a single JSON file.
 *
 * @param fileInfo - File information (with URL or buffer)
 * @param options - Optional processing options (auth headers, timeout, retry config)
 * @returns Processing result with parsed JSON or error
 *
 * @example
 * ```typescript
 * const result = await processJson({
 *   id: "file-123",
 *   name: "data.json",
 *   mimetype: "application/json",
 *   size: 2048,
 *   url: "https://example.com/data.json",
 * }, {
 *   authHeaders: { "Authorization": "Bearer token" },
 * });
 *
 * if (result.success && result.data) {
 *   console.log("Parsed:", result.data.parsed);
 * }
 * ```
 */
export declare function processJson(fileInfo: FileInfo, options?: ProcessOptions): Promise<ProcessorFileProcessingResult<ProcessedJson>>;