Can't import from absolute paths using Typescript and NodeJS

Question

I've tried many things to solve this issue. I'm trying to import from absolute paths defined on my tsconfig.json

on a file on my project I'm trying to use import { UserModel } from "model/User";

And on my tsconfig.json I have

{
....
"baseUrl": "src", 
"paths": {
  "model/*": ["model/*"]`
  }
....
}

I've tried changing the baseUrl to ".", "./" and changing the paths as well, but I'm always getting the same error:

Error: Cannot find module 'model/User'

I have also tried to add an index.ts file to the model folder and export models from there, but still.. same issue. Any help is appreciated.

Kostiantyn Ko · Accepted Answer · 2021-09-22 14:39:06Z

1

If you are writing a package, then probably you are reserved to using the ttypescript lib + @zerollup/ts-transform-paths plugin - those will do the job. Also, building your package will have to use ttsc instead of tsc.

If, on the other hand, you are using a bundler to bundle your code together (like webpack), you will have to reserve to the ways provided by the bunder's config.

Also, if you are using ESLint, you'll have to make sure it uses tsconfig.json via eslint-import-resolver-typescript npm package.

Also, if you are using Jest for unit-tests, you will have to enumerate the possible "roots" like this:

  moduleDirectories: ['node_modules', 'src'],

edited Sep 22, 2021 at 14:39

answered Sep 22, 2021 at 14:33

Kostiantyn Ko

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3 Comments

Lheonair Over a year ago

Hey man thanks for your answer. I installed the plugin and I got 4 vulnerabilities, 2 being of high importance. Don't you know of another way maybe?

Kostiantyn Ko Over a year ago

Hey hey! Well, this one should be server-only build-time tool, so I actually did not dig into that "vulnerability" topic. Back in a day it was the simplest way for me to make it work, and I still keep using this approach.

Lheonair Over a year ago

Cool! Thanks for the help man, appreciate it.

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