Bug(scope): Module '@messageformat/core' used by '..../jsverse-transloco-messageformat.mjs' is not ESM

[TheGameKnave]

Is there an existing issue for this?

• I have searched the existing issues

Which Transloco package(s) are the source of the bug?

MessageFormat

Is this a regression?

No

Current behavior

Building an angular 18 app with Transloco and MessageFormat results in the following warning:

WARNING] Module '@messageformat/core' used by '../node_modules/@jsverse/transloco-messageformat/fesm2022/jsverse-transloco-messageformat.mjs' is not ESM

  CommonJS or AMD dependencies can cause optimization bailouts.

Expected behavior

Build without warnings

Please provide a link to a minimal reproduction of the bug, if you won't provide a link the issue won't be handled.

messageformat/messageformat#405

Transloco Config

No response

Please provide the environment you discovered this bug in

Transloco: 7.4.3
"@jsverse/transloco-messageformat": "^7.0.1",
Angular: 18.1.3
Node: 20.16.0
Package Manager: npm 10.8.1
OS: Ventura

Browser

No response

Additional context

No response

I would like to make a pull request for this bug

No

[TheGameKnave]

still reporting same.

[shaharkazaz]

@TheGameKnave Thanks for reporting this.
As you already know this is an issue with messageformat/core packaging, currently, there is no ESM version available.
There is no way around this until he publishes an ESM version.

[joldibaev]

still reporting same.