Problem starting a graphql server app implemented via nestjs about graphql HOT 5 CLOSED

Same issue, after upgrading packages with "yarn upgrade" and run "yarn start" i get the following error:

$ yarn start
yarn run v1.7.0
$ ts-node -r tsconfig-paths/register src/main.ts
Error: Cannot find module 'apollo-server-core'
at Function.Module._resolveFilename (module.js:547:15)
at Function.Module._resolveFilename (D:\Dev\TS\libs\nestjs-typeorm-boilerplate\node_modules\tsconfig-paths\lib\register.js:32:40)
at Function.Module._load (module.js:474:25)
at Module.require (module.js:596:17)
at require (internal/module.js:11:18)
at Object. (D:\Dev\TS\libs\nestjs-typeorm-boilerplate\node_modules\apollo-server-express\src\expressApollo.ts:3:1)
at Module._compile (module.js:652:30)
at Object.Module._extensions..js (module.js:663:10)
at Module.load (module.js:565:32)
at tryModuleLoad (module.js:505:12)
error Command failed with exit code 1.
info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.

running "yarn start:prod" i get the following error:

$ yarn start:prod
yarn run v1.7.0
$ rimraf dist && tsc
node_modules/@types/graphql/validation/index.d.ts:93:8 - error TS2307: Cannot find module './rules/UniqueArgumentNames'.

93 } from './rules/UniqueArgumentNames';
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

error Command failed with exit code 2.
info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.

from graphql.

The problem is how people deal with dependencies.
If you specify your versions like ^1.2.0 you get any version which might be compatible with the version 1.20. I highly recommend throw out all those ^ carets and pin down the version numbers. Remove your yarn.lockand also your node_module folder and try it again. Happy hacking.

from graphql.

One thing I forgot to mention above is that, I started the project with the starter project found @ https://github.com/nestjs/typescript-starter.

FIX

Okay, if anyone else is having the same issue, it is do with the configuration of the tsconfig.json file. I had to change the baseUrl from "baseUrl": "./src" to "baseUrl": "./". It was searching for the graphql module in the /src directory

from graphql.

Did you try this one?
https://github.com/nestjs/nest/tree/master/sample/12-graphql-apollo

from graphql.

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from graphql.