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...negatives and will bypass checks wrongly Remember to always be explicit (like using ??) or enable strict-boolean-expressions to avoid the falsey trap && for non-null access Returns the first...

...and what you're actually checking for: return n !== undefined ? n : 1; Option 2: Enable strict-boolean-expressions (recommended) The @typescript-eslint/strict-boolean-expressions rule forbids non-boolean types in boolean...

Given you have a strict CSP that only allows...