我已经做了一段时间的无服务器开发,主要使用AWS,现在开始研究SNS pub/sub设计模式。我正在使用typescript,类型支持非常出色,但是我找不到来自Lambda和S3触发器的事件的正确类型。这将使函数之间的接口更加安全。目前我正在定义自己的接口,但这将会变得繁琐。例如:
interface IAWSSNSTriggerPayload {
Records: [
{
EventSource: string,
EventVersion: string,
EventSubscriptionArn: string,
Sns: {
Type: string,
MessageId: string,
TopicArn: string,
Subject: string,
Message: string,
Timestamp: string,
SignatureVersion: string,
Signature: string,
SigningCertUrl: string,
UnsubscribeUrl: string,
MessageAttributes: {},
}
}
]
}
export const handler = (event: IAWSSNSTriggerPayload, context, cb) => {
const response = {
statusCode: 200,
body: JSON.stringify({
message: 'Go Serverless Webpack (Typescript) v1.0! Your function executed successfully! And from the SNS',
input: event,
}),
};
console.log('SNS Received from Lambda Publisher!!!')
console.log(JSON.stringify(event.Records))
cb(null, response);
}
谢谢。