CloudFormation

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AWS Documentation

• Using AWS Lambda with AWS CloudFormation

Example

import middy from '@middy/core'
import cloudformationRouterHandler from '@middy/cloudformation-router'
import cloudformationResponseMiddleware from '@middy/cloudformation-response'
import validatorMiddleware from '@middy/validator'

const createHandler = middy()
  .use(validatorMiddleware({eventSchema: {...} }))
  .handler((event, context) => {
    return {
      PhysicalResourceId: '...',
      Data:{}
    }
  })

const updateHandler = middy()
  .use(validatorMiddleware({eventSchema: {...} }))
  .handler((event, context) => {
    return {
      PhysicalResourceId: '...',
      Data: {}
    }
  })

const deleteHandler = middy()
  .use(validatorMiddleware({eventSchema: {...} }))
  .handler((event, context) => {
    return {
      PhysicalResourceId: '...'
    }
  })

const routes = [
  {
    requesType: 'Create',
    handler: createHandler
  },
  {
    requesType: 'Update',
    handler: updateHandler
  },
  {
    routeKey: 'Delete',
    handler: deleteHandler
  }
]

export const handler = middy()
  .use(cloudformationResponseMiddleware())
  .handler(cloudformationRouterHandler(routes))