Question about YN 4.0 Breaking change

[eitah]

I had a question about why this decision was chosen:
Only use a CommonJS export for the TypeScript definition You need to change import yn from 'yn'; to import yn = require('yn');
Is the best practice now to disallow ECMASCRIPT imports as you have done in version 4 by not exposing import?

And what causes the import yn = syntax to work. Shouldn't it be const yn = if it's true common-js?

[sindresorhus]

I'm not disallowing use in ESM. I'm just correcting a mistake. This module is CommonJS and that should be defined in the TypeScript file too.

See sindresorhus/memoize#31 for context.

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And what causes the import yn = syntax to work. Shouldn't it be const yn = if it's true common-js?

import yn = require(…) is a TypeScript only syntax.