open-next-cdk
Version:
Deploy a NextJS app using OpenNext packaging to serverless AWS using CDK
42 lines (41 loc) • 1.62 kB
JavaScript
import { HttpResponse } from "@smithy/protocol-http";
export const throw200ExceptionsMiddleware = (config) => (next) => async (args) => {
const result = await next(args);
const { response } = result;
if (!HttpResponse.isInstance(response))
return result;
const { statusCode, body } = response;
if (statusCode < 200 || statusCode >= 300)
return result;
const bodyBytes = await collectBody(body, config);
const bodyString = await collectBodyString(bodyBytes, config);
if (bodyBytes.length === 0) {
const err = new Error("S3 aborted request");
err.name = "InternalError";
throw err;
}
if (bodyString && bodyString.match("<Error>")) {
response.statusCode = 400;
}
response.body = bodyBytes;
return result;
};
const collectBody = (streamBody = new Uint8Array(), context) => {
if (streamBody instanceof Uint8Array) {
return Promise.resolve(streamBody);
}
return context.streamCollector(streamBody) || Promise.resolve(new Uint8Array());
};
const collectBodyString = (streamBody, context) => collectBody(streamBody, context).then((body) => context.utf8Encoder(body));
export const throw200ExceptionsMiddlewareOptions = {
relation: "after",
toMiddleware: "deserializerMiddleware",
tags: ["THROW_200_EXCEPTIONS", "S3"],
name: "throw200ExceptionsMiddleware",
override: true,
};
export const getThrow200ExceptionsPlugin = (config) => ({
applyToStack: (clientStack) => {
clientStack.addRelativeTo(throw200ExceptionsMiddleware(config), throw200ExceptionsMiddlewareOptions);
},
});