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  • License MIT

Package Exports

  • serverless-appsync-simulator

This package does not declare an exports field, so the exports above have been automatically detected and optimized by JSPM instead. If any package subpath is missing, it is recommended to post an issue to the original package (serverless-appsync-simulator) to support the "exports" field. If that is not possible, create a JSPM override to customize the exports field for this package.

Readme

This serverless plugin is a wrapper for amplify-appsync-simulator made for testing AppSync APIs built with serverless-appsync-plugin.

Requires

Usage

This plugin relies on your serverless yml file and on the serverless-offline plugin*.

To start it, run the followin command:

sls offline start

You should see in the logs something like:

...
Serverless: AppSync endpoint: http://localhost:20002/graphql
Serverless: GraphiQl: http://localhost:20002
...

(*): If you are using DynamoDb resolvers, you'll also need serverless-dynamodb-local

Configuration

Put options under custom.appsync-simulator in your serverless.yml file

option default description
apiKey 0123456789 When using API_KEY as authentication type, the key to authenticate to the endpoint.
port 20002 AppSync operations port
wsPort 20003 AppSync subscriptions port
location . (base directory) Location of the lambda functions handlers.

Example:

custom:
  appsync-simulator:
    location: '.webpack/service' # use webpack build directory

Caveats

This plugin currently only supports resolvers implemented by amplify-appsync-simulator. At the time of writing, this is:

  • NONE
  • AWS_LAMBDA (*)
  • AMAZON_DYNAMODB

(*) Note: This plugin also supports AWS_LAMBDA's BatchInvoke (which Amplify Simulator doesn't)