json-config-lambda-handler

json-config-lambda-handler

const withConfig = require('json-config-lambda-handler');

function handleEvent({ event, config }, callback) {
  console.log('event = ', event);
  console.log('config = ', config);
  callback(null);
}

exports.handle = withConfig(handleEvent);

module.exports(handler)

• handler <Function> called when the handler is invoked
  • args <Object>
    • event <Object> AWS Lambda uses this parameter to pass in event data to the handler
    • context <Context Object> AWS Lambda context object
    • config <Object> parsed JSON configuration
  • callback <Function> invoke to return info back to caller
    • error <Error> an optional parameter that you can use to provide results of the failed Lambda function execution. When a Lambda function succeeds, you can pass null as the first parameter.
    • result <Object> an optional parameter that you can use to provide the result of a successful function execution. The result provided must be JSON.stringify compatible. If an error is provided, this parameter is ignored.

module.exports(environmentVariable, handler)

• environmentVariable <String> an optional parameter containing environment variable name used to store the configuration. If not used, a default value of CONFIG is used.
• handler <Function> called when the handler is invoked
  • args <Object>
    • event <Object> AWS Lambda uses this parameter to pass in event data to the handler
    • context <Context Object> AWS Lambda context object
    • config <Object> parsed JSON configuration
  • callback <Function> invoke to return info back to caller
    • error <Error> an optional parameter that you can use to provide results of the failed Lambda function execution. When a Lambda function succeeds, you can pass null as the first parameter.
    • result <Object> an optional parameter that you can use to provide the result of a successful function execution. The result provided must be JSON.stringify compatible. If an error is provided, this parameter is ignored.