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In JavaScript, imports sometimes (too often, really) have side effects. I don't know if it makes sense for prettier to do that, at least by default.

In my experience, side-effecting imports are fairly uncommon.

But in any cases, all formatters allow you to selectively disable it for certain liners.

Hopefully uncommon, anyways. Imports with side effects sounds like a nightmare to debug.

I don't have a problem with anything that discourages imports with side effects. You can always ignore[0] any cases where this happens.

> it’d be a relatively simple addition to prettier.

It would be, but as you can see in the linked issue, it was closed for being a non-goal. So, it's not likely to change.

(Prettier generally keeps the AST identical; i.e. whitespace and parentheses changes only.)

eslint and prettier are not mutually exclusive

I didn’t mean to imply that. In fact we use eslint + prettier where I work.