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Add types for aws-lambda DynamoDB stream events

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This commit is contained in:
Michael Marner
2017-10-26 16:55:26 +10:30
parent 5baaeafba9
commit 2a9cc5af4c
2 changed files with 139 additions and 0 deletions
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types/aws-lambda/aws-lambda-tests.ts
+92
View File
@@ -100,6 +100,98 @@ str = customAuthorizerEvt.type;
str = customAuthorizerEvt.authorizationToken;
str = customAuthorizerEvt.methodArn;
/* DynamoDB Stream Event */
var dynamoDBStreamEvent: DynamoDBStreamEvent = {
"Records": [
{
"eventID": "1",
"eventVersion": "1.0",
"dynamodb": {
"Keys": {
"Id": {
"N": "101"
}
},
"NewImage": {
"Message": {
"S": "New item!"
},
"Id": {
"N": "101"
}
},
"StreamViewType": "NEW_AND_OLD_IMAGES",
"SequenceNumber": "111",
"SizeBytes": 26
},
"awsRegion": "us-west-2",
"eventName": "INSERT",
"eventSourceARN": "arn:aws:dynamodb:us-west-2:account-id:table/ExampleTableWithStream/stream/2015-06-27T00:48:05.899",
"eventSource": "aws:dynamodb"
},
{
"eventID": "2",
"eventVersion": "1.0",
"dynamodb": {
"OldImage": {
"Message": {
"S": "New item!"
},
"Id": {
"N": "101"
}
},
"SequenceNumber": "222",
"Keys": {
"Id": {
"N": "101"
}
},
"SizeBytes": 59,
"NewImage": {
"Message": {
"S": "This item has changed"
},
"Id": {
"N": "101"
}
},
"StreamViewType": "NEW_AND_OLD_IMAGES"
},
"awsRegion": "us-west-2",
"eventName": "MODIFY",
"eventSourceARN": "arn:aws:dynamodb:us-west-2:account-id:table/ExampleTableWithStream/stream/2015-06-27T00:48:05.899",
"eventSource": "aws:dynamodb"
},
{
"eventID": "3",
"eventVersion": "1.0",
"dynamodb": {
"Keys": {
"Id": {
"N": "101"
}
},
"SizeBytes": 38,
"SequenceNumber": "333",
"OldImage": {
"Message": {
"S": "This item has changed"
},
"Id": {
"N": "101"
}
},
"StreamViewType": "NEW_AND_OLD_IMAGES"
},
"awsRegion": "us-west-2",
"eventName": "REMOVE",
"eventSourceARN": "arn:aws:dynamodb:us-west-2:account-id:table/ExampleTableWithStream/stream/2015-06-27T00:48:05.899",
"eventSource": "aws:dynamodb"
}
]
};
/* SNS Event */
snsEvtRecs = snsEvt.Records;
types/aws-lambda/index.d.ts
Vendored
+47
View File
@@ -54,6 +54,53 @@ interface CustomAuthorizerEvent {
methodArn: string;
}
// Context
// http://docs.aws.amazon.com/amazondynamodb/latest/APIReference/API_streams_AttributeValue.html
interface AttributeValue {
B?: string;
BS?: Array<string>;
BOOL?: boolean;
L?: Array<AttributeValue>;
M?: { [id: string]: AttributeValue };
N?: number;
NS?: Array<string>;
NULL?: boolean;
S?: string;
SS?: Array<string>;
}
// Context
// http://docs.aws.amazon.com/amazondynamodb/latest/APIReference/API_streams_StreamRecord.html
interface StreamRecord {
ApproximateCreationTime?: number;
Keys?: { [key: string]: AttributeValue };
NewImage?: { [key: string]: AttributeValue };
OldImage?: { [key: string]: AttributeValue };
SequenceNumber?: string;
SizeBytes?: number;
StreamViewType?: 'KEYS_ONLY' | 'NEW_IMAGE' | 'OLD_IMAGE' | 'NEW_AND_OLD_IMAGES';
}
// Context
// http://docs.aws.amazon.com/amazondynamodb/latest/APIReference/API_streams_Record.html
interface DynamoDBRecord {
awsRegion?: string;
dynamodb?: StreamRecord;
eventId?: string;
eventName?: 'INSERT' | 'MODIFY' | 'REMOVE';
eventSource?: string;
eventVersion?: string;
userIdentity?: any;
}
// AWS Lambda Stream event
// Context
// http://docs.aws.amazon.com/lambda/latest/dg/eventsources.html#eventsources-ddb-update
interface DynamoDBStreamEvent {
Records: Array<DynamoDBRecord>;
}
// SNS "event"
interface SNSMessageAttribute {
Type: string;