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lambda-generator-handler
Advanced tools
Run a generator function as an AWS Lambda function, with added error handling
Run a generator function as an AWS Lambda function, when you are using lambda-proxy integration with API Gateway.
$ npm install --save lambda-generator-handler
Create your AWS Lambda function as a generator and then export it wrapped
by the lambda-generator-handler
package. Note that this library is only
for use when you have configured your endpoint in API Gateway to use
lambda-proxy integration with your Lambda function.
const generatorHandler = require('lambda-generator-handler');
function* someHandler(event) {
// The 'event' arg is the AWS Lambda event object.
// Throw an error if something bad happens.
// Return a result as you normally do from a generator.
return { name: 'the result' };
}
module.exports.handler = generatorHandler(someHandler);
If your handler throws an exception, this wrapper catches it and
returns an error response to AWS Lambda. It checks that the error
message includes a serverless
framework type of error code prefix
(e.g., the [500]
prefix in the message [500] Some error occurred
),
and adds one if none exists. It also turns a DynamoDB
ConditionalCheckFailedException
into a 400 Stale Data
error response.
MIT
FAQs
Run a generator function as an AWS Lambda function, with added error handling
The npm package lambda-generator-handler receives a total of 3 weekly downloads. As such, lambda-generator-handler popularity was classified as not popular.
We found that lambda-generator-handler demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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