Code reviewMediumcr-g517

Subject Null handlingLevel Entry–Mid~14 minCommon in Code quality & review interviewsIndustries Software development

Question

Review this TypeScript function that loads a user and returns their email.

What a strong answer looks like

Separate real bugs from style. Rank issues by severity, point at the root cause rather than the symptom, and suggest a concrete fix — specific and kind.

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Talk through your review

Code to reviewtypescript

1async function getEmail(id: string): Promise<string> {2  const user = fetchUser(id); // fetchUser returns Promise<User>3  return user.email;4}

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