Enhance getCountries function documentation and error logging#25
Enhance getCountries function documentation and error logging#25yusifaliyevpro merged 2 commits intomainfrom
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…pdate error logging in handleNotFoundError
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Caution Review failedThe pull request is closed. WalkthroughThe Changes
Sequence Diagram(s)sequenceDiagram
participant Caller
participant getCountries
participant API
Caller->>getCountries: Call with fields[]
getCountries->>getCountries: Check fields.length <= 10
alt fields.length > 10
getCountries->>Console: Log error
end
getCountries->>API: Fetch countries with selected fields
API-->>getCountries: Return data
getCountries-->>Caller: Return result
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Actionable comments posted: 1
🧹 Nitpick comments (1)
src/functions/getCountries.ts (1)
31-31: Consider a more maintainable approach for the length constraint.The union type approach for length constraint is clever but has several issues:
- Verbose and difficult to maintain
- TypeScript may not always infer exact array lengths at compile time
- Could cause compilation performance issues
Consider using a more concise approach:
-export async function getCountries<T extends readonly (keyof Country)[] & { length: 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 }>( +export async function getCountries<T extends readonly (keyof Country)[]>(And rely primarily on the runtime validation for enforcement, or use a utility type:
type MaxLength<T extends readonly unknown[], Max extends number> = T['length'] extends Max | Exclude<keyof T, keyof readonly unknown[]> ? T : never; type FieldsArray = MaxLength<readonly (keyof Country)[], 10>;
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📒 Files selected for processing (2)
src/functions/getCountries.ts(2 hunks)src/helpers.ts(1 hunks)
🧰 Additional context used
🧬 Code Graph Analysis (1)
src/functions/getCountries.ts (1)
src/types/index.ts (2)
Country(28-64)CountryPicker(12-12)
🔇 Additional comments (2)
src/helpers.ts (1)
30-32: LGTM! Appropriate use of console.error for error logging.The change from
console.logtoconsole.errorcorrectly aligns the logging level with the error nature of the message, improving error visibility and following standard logging practices.src/functions/getCountries.ts (1)
8-9: LGTM! Clear documentation of field limitations.The JSDoc update clearly communicates the 10-field limit and provides a reference link for the mandate, improving developer experience and API documentation.
| fetchOptions?: RequestInit | ||
| ): Promise<CountryPicker<T>[] | null> { | ||
| try { | ||
| if (fields.length > 10) console.error("You can specify up to 10 fields only"); |
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Fix inconsistent error handling behavior.
The runtime validation logs an error but allows the function to continue execution, which creates inconsistent behavior. Users might receive unexpected results despite the error message.
Apply this fix to ensure consistent error handling:
- if (fields.length > 10) console.error("You can specify up to 10 fields only");
+ if (fields.length > 10) {
+ console.error("You can specify up to 10 fields only");
+ return null;
+ }Alternatively, throw an error for immediate feedback:
- if (fields.length > 10) console.error("You can specify up to 10 fields only");
+ if (fields.length > 10) {
+ throw new Error("You can specify up to 10 fields only");
+ }🤖 Prompt for AI Agents
In src/functions/getCountries.ts at line 36, the code logs an error when more
than 10 fields are specified but continues execution, causing inconsistent
behavior. Modify this by throwing an error instead of just logging it, so the
function halts immediately and users receive immediate feedback about the
invalid input.
1 participant
Improve documentation for the
getCountriesfunction by specifying a limit of 10 fields. Update error logging in thehandleNotFoundErrorfunction to useconsole.errorfor better visibility of issues.Summary by CodeRabbit