export type to support isolatedModules

[cungminh2710]

Description

Re-exporting a type when the '--isolatedModules' flag is provided requires using 'export type'

Related # (issue)

Close #6773

Type of change

• Bug fix (non-breaking change which fixes an issue)

Checklist:

• I have followed the CONTRIBUTING doc and the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules

[changeset-bot]

🦋 Changeset detected

Latest commit: 53a60ef

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
@graphql-codegen/typescript	Minor

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

[saihaj]

Hey thanks for the PR. Change seems straightforward and non-breaking. Can you

1. Add a minor changeset. Learn more here export type to support isolatedModules #8585 (comment)
2. add a test for this

Sorry for the delay in review

[dzearing]

@cungminh2710 Is there any progress on this?

[cungminh2710]

@dzearing hi there, i forgot to work on this. Will address some feedback soon this week

[cungminh2710]

@saihaj it's been a while. any chance to land this PR?