@types/supertest 4.1.14 is breaking in docker build: Cannot find name 'Blob'

[pkelly-rh]

Hey guys, thanks for all the good work your doing.
I had to downgrade a project to @types/supertest 4.1.13 since I was getting a weird problem with typescript while building in docker. It came through in the patch version 4.1.14 since we had carrots on ^. I've learned my lesson and locked all the package versions going forward. So we only update when we want to.

But anyways If your interested:

Here's the docker file. Were using node 14-ish

FROM node:14-slim

WORKDIR /usr/src/app

COPY . ./

RUN npm ci
RUN npm run build:packages
RUN npm run build

EXPOSE 3000
CMD [ "npm", "start" ]

Then running docker build
docker build . --progress=plain

The error:

#9 2.857 > tsc --project tsconfig.json                                                                                                                                                                                                                                                     
#9 2.857                                                                                                                                                                                                                                                                                   
#9 7.071 ../../node_modules/@types/superagent/index.d.ts(34,29): error TS2304: Cannot find name 'Blob'.
#9 7.102 npm ERR! code ELIFECYCLE
#9 7.102 npm ERR! errno 2
#9 7.105 npm ERR! @rh-estore-bff/trade-service@1.0.7 build: `tsc --project tsconfig.json`
#9 7.105 npm ERR! Exit status 2
#9 7.105 npm ERR! 
#9 7.105 npm ERR! Failed at the @rh-estore-bff/trade-service@1.0.7 build script.
#9 7.105 npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

I think this is a configuration issue on our side though. I tried to reproduce this on a git repo without our code and the problem is not there.

[pkelly-rh]

I think this is our problem on our side... since we are still using node 14 and a cocktail of other old packages in the project

[eynol]

Same issue. I just lock @types/superagent to 4.1.13 to fix this problem temporarily.

"resolutions": {
   "@types/superagent": "4.1.13"
},

[jwstjacques]

Can confirm this issue is occurring in a standard build (not docker) as well. Error is a little different.

node_modules/@types/superagent/index.d.ts:23:10 - error TS2305: Module '"buffer"' has no exported member 'Blob'.

This definitely happened recently.

Can also confirm that locking to the "@types/superagent": "4.1.13" did fix the problem, though it's not a great fix in my case.

Commenting in case others experience same issue, and so I can watch this unfold.

[joaopaulo11jp]

It happened with me too. I was running my build on a node 14 environment while I was depending on @types/node of version 13 which does not export "Blob" from "buffer" module. I solved this chaging the dependency version in package.json:

FROM "@types/node": "^13.9.1" TO "@types/node": "^14.0.1"

[niftylettuce]

PR welcome to fix?