AppSyncFunction

The AppSyncFunction component is internally used by the AppSync component to add functions to AWS AppSync.

Caution

This component is not intended for public use.

You’ll find this component returned by the addFunction method of the AppSync component.

---

Constructor

new AppSyncFunction(name, args, opts?)

Parameters

• name string

• args FunctionArgs

• opts? ComponentResourceOptions

Properties

nodes

Type Object

• function

The underlying resources this component creates.

nodes.function

Type Function

The Amazon AppSync Function.

FunctionArgs

apiId

Type Input<string>

The AppSync GraphQL API ID.

code?

Type Input<string>

The function code that contains the request and response functions.

{
  code: fs.readFileSync("functions.js")
}

dataSource

Type Input<string>

The data source this resolver is using. This only applies for “unit” resolvers.

{
  dataSource: "lambdaDS"
}

name

Type string

The name of the AppSync function.

{
  name: "myFunction",
}

requestMappingTemplate?

Type Input<string>

The function request mapping template.

{
  dataSource: "dynamoDS",
  requestTemplate: `{
    "version": "2018-05-29",
    "operation": "Scan",
  }`,
}

responseMappingTemplate?

Type Input<string>

The function response mapping template.

{
  dataSource: "dynamoDS",
  responseTemplate: `{
    "users": $utils.toJson($context.result.items)
  }`,
}

transform?

Type Object

• function?

Transform how this component creates its underlying resources.

transform.function?

Type FunctionArgs | (args: FunctionArgs => void)

Transform the AppSync Function resource.