@sidequest/core/dist/uniquiness/alive-job-uniqueness.js

@sidequest/core is the core package of SideQuest, a distributed background job queue for Node.js and TypeScript applications.

import crypto from 'crypto';
import { stringify } from 'safe-stable-stringify';
import { logger } from '../logger.js';

const aliveStates = ["waiting", "claimed", "running"];
/**
 * Uniqueness strategy for jobs that are still alive (waiting, claimed, or running).
 */
class AliveJobUniqueness {
    config;
    /**
     * Creates a new AliveJobUniqueness instance.
     * @param config The alive job uniqueness configuration.
     */
    constructor(config) {
        this.config = config;
    }
    /**
     * Computes a digest for the job data if the job is in an alive state.
     * @param jobData The job data to compute the digest for.
     * @returns The digest string or null if not alive.
     */
    digest(jobData) {
        logger("Core").debug(`Creating alive digest for job ${jobData.id} with state ${jobData.state}`);
        if (aliveStates.includes(jobData.state)) {
            let key = jobData.class;
            if (this.config.withArgs) {
                key += "::args=" + stringify(jobData.args ?? []);
                key += "::ctor=" + stringify(jobData.constructor_args ?? []);
            }
            logger("Core").debug(`Job is alive. Key for digest: ${key}`);
            return crypto.createHash("sha256").update(key).digest("hex");
        }
        logger("Core").debug(`Job ${jobData.id} is not alive, returning null for digest.`);
        return null;
    }
}

export { AliveJobUniqueness };
//# sourceMappingURL=alive-job-uniqueness.js.map