[TypeScript] Path aliases not handled in plugins file

[chrisbreiding]

Current behavior:

Using a path alias in the plugins file results in a Cannot find module error.

Desired behavior:

Path aliases should be supported when used in the plugins file.

Test code to reproduce

https://github.com/cypress-io/cypress-test-tiny/tree/alias-ts-paths

package.json

{
  "devDependencies": {
    "cypress": "5.1.0",
    "typescript": "4.0.2"
  }
}

tsconfig.json

{
  "compilerOptions": {
    "target": "es5",
    "module": "system",
    "baseUrl": "./src",
    "paths": {
      "@apps/*": ["*"]
    },
  },
  "include": ["cypress/**/*.ts"]
}

src/commons-e2e.ts

export const forward = true

cypress/plugins/index.ts

import { forward } from '@apps/commons-e2e'
console.log('forward is', forward)
export default function () {}

Versions

Cypress 4.6.0+

[cypress-bot]

The code for this is done in cypress-io/cypress#8557, but has yet to be released.
We'll update this issue and reference the changelog when it's released.

[cypress-bot]

Released in 5.2.0.

This comment thread has been locked. If you are still experiencing this issue after upgrading to
Cypress v5.2.0, please open a new issue.