durabull/dist/serializers/index.js

A durable workflow engine built on top of BullMQ and Redis

"use strict";
/**
 * Pluggable serializers for data persistence
 */
Object.defineProperty(exports, "__esModule", { value: true });
exports.getSerializer = exports.Base64Serializer = exports.JsonSerializer = void 0;
/**
 * JSON serializer (default)
 */
class JsonSerializer {
    serialize(data) {
        if (data === undefined) {
            return JSON.stringify({ __type: 'undefined' });
        }
        return JSON.stringify(data);
    }
    deserialize(str) {
        const parsed = JSON.parse(str);
        if (parsed && typeof parsed === 'object' && parsed.__type === 'undefined') {
            return undefined;
        }
        return parsed;
    }
}
exports.JsonSerializer = JsonSerializer;
/**
 * Base64-encoded JSON serializer
 */
class Base64Serializer {
    serialize(data) {
        const json = JSON.stringify(data);
        return Buffer.from(json).toString('base64');
    }
    deserialize(str) {
        const json = Buffer.from(str, 'base64').toString('utf-8');
        return JSON.parse(json);
    }
}
exports.Base64Serializer = Base64Serializer;
/**
 * Get serializer by name
 */
function getSerializer(name = 'json') {
    switch (name) {
        case 'json':
            return new JsonSerializer();
        case 'base64':
            return new Base64Serializer();
        default:
            return new JsonSerializer();
    }
}
exports.getSerializer = getSerializer;