gj-aws-appsync

Installation

In order to add this package to your service, run the following command:
``
npm i gj-aws-appsync
`

Usage

`js

const schema =
type Hello {
hello: String
id: String
name: String
}

type Product {
id: String
name: String
}

type Extra {
id: String
product: String
}

type Query {
getHello: Hello
something: Product
product: Extra
getProduct: Extra
}

const instructions = {
name: 'DEMO-APP',
auth: {
state: 'CREATE',
existingKey: null
},
schema: {
state: 'CREATE',
defintion: schema
},
datasourceIamRoles: {
create: [
{
type: 'AWS_LAMBDA',
state: '',
name: 'testLambdaRoleName'
},
{
type: 'AMAZON_DYNAMODB',
state: '',
name: 'testDynamoDbRoleName'
}
]
},
datasources: {
create: [
{
type: 'AWS_LAMBDA',
name: inttestdatasourceLAMBDA,
lambdaArn: 'testLambdaArn',
roleArn: arn:aws:iam::12341234:role/testLambdaRoleName,
roleName: 'testLambdaRoleName'
},
{
type: 'AMAZON_DYNAMODB',
name: inttestdatasourceDYNAMO,
tableName: 'int-test-appsyncdb',
roleArn: arn:aws:iam::12341234:role/testDynamoDbRoleName,
roleName: 'testDynamoDbRoleName'
}
]
},
resolvers: {
create: [
{
resolverType: 'AWS_LAMBDA',
type: 'Query',
field: 'getHello',
datasource: inttestdatasourceLAMBDA,
vtl: {
request: {
"version": "2017-02-28",
"operation": "Invoke",
"payload": $util.toJson($ctx)
},
response: $util.toJson($ctx.result)
}
},
{
resolverType: 'AWS_LAMBDA',
type: 'Query',
field: 'something',
datasource: inttestdatasourceLAMBDA,
vtl: {
request: {
"version": "2017-02-28",
"operation": "Invoke",
"payload": $util.toJson($ctx)
},
response: $util.toJson($ctx.result)
}
},
{
resolverType: 'AWS_LAMBDA',
type: 'Query',
field: 'product',
datasource: inttestdatasourceLAMBDA,
vtl: {
request: {
"version": "2017-02-28",
"operation": "Invoke",
"payload": $util.toJson($ctx)
},
response: $util.toJson($ctx.result)
}
},
{
resolverType: 'AMAZON_DYNAMODB',
type: 'Query',
field: 'getProduct',
datasource: inttestdatasourceDYNAMO,
vtl: {
request: {
"version": "2017-02-28",
"operation": "GetItem",
"key": {
"id": $util.dynamodb.toDynamoDBJson($ctx.args.id)
},
},
response: $util.toJson($ctx.result)
}
},

]
}
}

const result = await appsync(instructions)
/*
return {
apiId: String
keyId: String
apiEndpoint: String
apiName: String
}
*/
```