Extract is finding 0 messages for typescript project using tsc, not babel

Describe the bug Can’t seem to extract messages from .ts files within the project. Docs say lingui v3 works with typescript out of the box, but I’m not seeing that.

Possibly to do with my project not depending on babel? I don’t have a .babelrc file because I use tsc to build and dev

To Reproduce Steps to reproduce the behavior, possibly with minimal code sample, e.g:

import gql from 'graphql-tag';                                                              
import { i18n } from '@lingui/core';                                                        
                                                                                            
export default gql`                                                                         
  enum ClaimStateTranslated {                                                               
    ${i18n._('ClaimState.Draft', null, { message: 'Draft' })}                              
    ${i18n._('ClaimState.Lodged', null, { message: 'Lodged' })}                            
    ${i18n._('ClaimState.Active', null, { message: 'Active' })}                                                         
  }                                                                                         
`; 

Expected behavior Expect the messages to be extracted.

Additional context Add any other context about the problem here.

• jsLingui version 3.3.0
• Babel version none
• Your Babel config none

[amirqasemi74]

in case anyone else needs to extract translations from .ts files without using @lingui/macro, you need to add /*i18n*/ on each line like this:

/*i18n*/ i18n._('ClaimState.Draft', null, { message: 'Draft' });

or from my original example:

export default gql`                                                                         
  enum ClaimStateTranslated {                                                               
    ${/*i18n*/i18n._('ClaimState.Draft', null, { message: 'Draft' })}                              
    ${/*i18n*/i18n._('ClaimState.Lodged', null, { message: 'Lodged' })}                            
    ${/*i18n*/i18n._('ClaimState.Active', null, { message: 'Active' })}                                                         
  }                                                                                         
`; 

and you can’t supply first param of i18n._ like {id: '', message: ''} as described in migration v2 to v3 docs. lingui extract won’t pick this up unless you use the v2 syntax

this is not a clean solution. i think cli should support extraction without babel macros

[teebszet]

in case anyone else needs to extract translations from .ts files without using @lingui/macro, you need to add /*i18n*/ on each line like this:

/*i18n*/ i18n._('ClaimState.Draft', null, { message: 'Draft' });

or from my original example:

export default gql`                                                                         
  enum ClaimStateTranslated {                                                               
    ${/*i18n*/i18n._('ClaimState.Draft', null, { message: 'Draft' })}                              
    ${/*i18n*/i18n._('ClaimState.Lodged', null, { message: 'Lodged' })}                            
    ${/*i18n*/i18n._('ClaimState.Active', null, { message: 'Active' })}                                                         
  }                                                                                         
`; 

and you can’t supply first param of i18n._ like {id: '', message: ''} as described in migration v2 to v3 docs. lingui extract won’t pick this up unless you use the v2 syntax