@bitblit/ratchet-epsilon-common/lib/lambda-event-handler/generic-sqs-epsilon-lambda-event-handler.js

Tiny adapter to simplify building API gateway Lambda APIS

import { AwsUtil } from '../util/aws-util.js';
import { NoHandlersFoundError } from '../config/no-handlers-found-error.js';
import { LambdaEventDetector } from '@bitblit/ratchet-aws/lambda/lambda-event-detector';
import { Logger } from '@bitblit/ratchet-common/logger/logger';
export class GenericSqsEpsilonLambdaEventHandler {
    _epsilon;
    constructor(_epsilon) {
        this._epsilon = _epsilon;
    }
    extractLabel(evt, _context) {
        return 'SQSEvt:' + evt.Records[0].eventSourceARN;
    }
    handlesEvent(evt) {
        return LambdaEventDetector.isValidSqsEvent(evt);
    }
    async processEvent(evt, _context) {
        let rval = null;
        if (this._epsilon.config && this._epsilon.config.sqs && evt && evt.Records.length > 0) {
            const finder = evt.Records[0].eventSourceARN;
            const handler = AwsUtil.findInMap(finder, this._epsilon.config.sqs.handlers);
            if (handler) {
                rval = await handler(evt);
            }
            else {
                Logger.info('Found no SQS handler for : %s', finder);
                throw new NoHandlersFoundError();
            }
        }
        return rval;
    }
    async processUncaughtError(event, context, err) {
        Logger.error('Error slipped out to outer edge (SQS).  Logging and rethrowing : %s', err, err);
        throw err;
    }
}
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