Prettier v3 Support

[itsezc]

Prettier v3 is currently out, and projects are starting to migrate over, any project using Prettier v3 is unable to use the GQty CLI.

node_modules/prettier/plugins/flow.js:5
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                                     ^

TypeError: Cannot read properties of undefined (reading 'startsWith')

[vicary]

Which version of CLI are you using?

[itsezc]

Using 4.0.0-alpha-74beaa55.0

[vicary]

Looking at the source file node_modules/prettier/plugins/flow.js, it seems like prettier is trying to format with Flow instead of TypeScript.

I haven't tried prettier v3 yet, would you please help isolating it from your project configurations? i.e. It's the default behaviour and we need to tell Prettier V3 to treat it as TypeScript/JavaScript instead of Flow.

[vicary]

I upgraded the project to Prettier V3 in alpha, examples and tests are passing without experiencing this issue.

Please give 3.0.0-alpha-1300f672.0 a try, hopefully narrowing down the possible causes.

[vicary]

Some of the older dependencies are preventing us from completely upgrade prettier, but since it's not a peer dependency it really shouldn't matters. We will downgrade to Prettier V2 in the upcoming versions, please feel free to reopen if you find it still an issue.

EDIT 2024-05-08

Inline snapshots in jest v29 is not compatible with prettier v3, the upcoming jest v30 should work but it's still in pre-release. Deferring updates until it's officially out.

We may also replace jest with vitest in #1754 and stop worrying about the prettier peer.