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Universal coding standards - naming, formatting, error handling, immutability, SOLID principles
Passed 22 of 22 test cases with the skill, and 15 of 22 without it.
and 5 more in the full report
7 fixed15 passed either way0 still failing0 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 7 test cases the skill fixed. Same model, same prompt, with and without the skill.
Write a TypeScript service function `fetchRemoteData` that calls an HTTP endpoint and returns either successful payload or failure without throwing exceptions.
| Checked | Without skill | With skill |
|---|---|---|
| The return value conforms to the Result pattern with explicit `{ ok: true, value: ... }` and `{ ok: false, error: ... }` shapes. | Missed | Passed |
The instructions your model reads when the skill loads.
| Tip | Format | Ornek |
|---|---|---|
| Variable | camelCase | userName, itemCount |
| Function | camelCase, verb-first | getUserById, calculateTotal |
| Class/Type | PascalCase | UserService, OrderItem |
| Constant | UPPER_SNAKE | MAX_RETRIES, API_URL |
| File | kebab-case | user-service.ts, order-item.ts |
| Boolean | is/has/should prefix | isActive, hasPermission |
// YANLIS: Mutate
user.name = newName;
items.push(newItem);
// DOGRU: Yeni obje
const updated = { ...user, name: newName };
const newItems = [...items, newItem];
// Custom error class
class AppError extends Error {
constructor(public code: string, message: string, public statusCode = 500) {
super(message);
}
}
// Try-catch with specific errors
try {
const result = await riskyOperation();
return result;
} catch (error) {
test cases passed, vs 15 / 22 without
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