fix locale import for esm

[pzmosquito]

What kind of change does this PR introduce?
This PR fixes the locale import issue for esm js file.

What is the current behavior?
see issue #176

What is the new behavior?
The fix will replace the require module with native ES import.

Checklist:

• Documentation
• Tests
• Ready to be merged

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[arthurdenner]

Correct me if I'm wrong but this would bundle all of the locales into the project, and we don't want to do that.

[pzmosquito]

You are correct that it does includes all locales. This is quickest (but not ideal) solution to make this work without needing to refactor a lot of code to accommodate dynamic import. Please feel free to close the PR and go with one of the options @wollo suggested in the issue.

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.