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Build: Enable TypeScript skipDefaultLibCheck #63056

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Jul 2, 2024
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Build: Enable TypeScript skipDefaultLibCheck #63056

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2 changes: 2 additions & 0 deletions tsconfig.base.json
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Expand Up @@ -14,6 +14,8 @@
"emitDeclarationOnly": true,
"isolatedModules": true,

"skipDefaultLibCheck": true,
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@tyxla tyxla Jul 2, 2024 •
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TS doc recommends that we use skipLibCheck instead. Any good reason to prefer skipDefaultLibCheck?

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I noticed that, I'm not sure why they recommend that.

skipLibCheck ensures that the libraries we depend on typecheck. I understand that skipDefaultLibCheck only skips checking bundle libs (like DOM, ES2020, etc.). These libs are bundled with TypeScript and they should be the highest quality.

With other libs that come from other node_modules, it seems best to check their types especially because if we don't check these files, the errors can appear in other projects that have skipLibCheck disabled. We've seen that packages become stale or have conflicting types that we need to address, I dealt with a lot of this recently in #61486 and related PRs.

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Makes sense to me. Seems like TS docs need some love!


/* Strict Type-Checking Options */
"strict": true,

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