Subject import package difference

306 Views Asked by AlanZh At 13 January 2022 at 07:33

I got a warning when I serve my Angular app.

depends on 'rxjs/internal/Subject'. CommonJS or AMD dependencies can cause optimization bailouts.

But when I changed Subject import package.The warning disappears. Here's my origin import

import { Subject } from 'rxjs/internal/Subject';

And I change to

import { Subject } from 'rxjs';

Is there any difference between them?

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