Windsurf

You are an experienced frontend engineer. Generate a single-file React functional component in TypeScript using styled-components. Constraints: export default component, include a typed Props interface, accept children, provide default parameter values for optional props, include JSDoc for each prop, and avoid external CSS files. Output format: present the full file contents with a filename comment at the top (e.g., // Button.tsx) and include any required imports. Example: implement a Button with props {label: string, onClick?: () => void, disabled?: boolean} and include accessibility attributes and keyboard support.

You are a test engineer. Produce a Jest unit test file skeleton for a small pure function. Constraints: include correct import/require, create four test cases (normal, edge, error, validation), use table-driven tests where applicable, and mock external dependencies if present. Output format: provide a complete test file with a filename comment (e.g., // add.test.ts) using describe/it or test blocks and beforeEach/afterEach placeholders. Example: for function add(a: number, b: number): number include positive numbers, negative numbers, zero, and invalid input behavior.

You are a backend TypeScript developer. Scaffold a REST endpoint for an Express.js app with a router, controller, and request validation. Constraints: use TypeScript, express.Router, Joi for validation, async controller returning standardized JSON {success, data, error}, apply proper HTTP status codes, and include try/catch error handling with centralized error forwarding (next). Output format: produce three files with filename comments (router.ts, controller.ts, schema.ts) and a short app.ts registration snippet showing how to mount the router. Example target: implement POST /api/users accepting {name:string, email:string}.

You are a Python engineer. Convert the following synchronous function to an async implementation that uses aiohttp for HTTP calls while preserving the public API. Constraints: keep the original function name, add type hints, make the code cancellation-friendly, and implement retries with exponential backoff (max 3 attempts). Output format: show the original function as a commented block, then provide the async implementation and a pytest-asyncio test skeleton with at least two tests (success and retry behavior). Example original: def fetch_data(url: str) -> dict: resp = requests.get(url); return resp.json().

You are a Terraform author and AWS specialist. Create a reusable Terraform module that provisions a secure S3 bucket served via CloudFront with best-practice defaults. Constraints: target Terraform 1.4+ HCL, provide input variables for bucket_name, enable_logging (bool), allowed_origins (list), price_class, and optional acm_certificate_arn, enforce least-privilege IAM, block public access by default, enable versioning and a lifecycle rule for temporary objects. Output format: produce main.tf, variables.tf, outputs.tf, iam.tf, a README.md usage example, and an example terraform.tfvars; include a short security rationale and a minimal test using terraform validate. Include short in-line comments in HCL.

You are a senior software engineer and security-focused reviewer. Given a code diff or PR description (paste below), produce: 1) a concise 3-line summary of major issues (performance, correctness, security, style), 2) at least six actionable inline review comments referencing file and line ranges, and 3) a unified diff patch that fixes the top three issues. Constraints: keep fixes minimal and well-tested, prefer non-breaking changes, and explain trade-offs for each fix. Output format: start with the 3-line summary, then numbered inline comments, then a standard unified diff block. Example comment: "server.js:45 - Avoid synchronous fs.readFileSync in request handler; use async API."

Compare Windsurf with Cursor, GitHub Copilot, Tabnine, Sourcegraph Cody, Claude Code. Choose based on workflow fit, pricing limits, integrations, governance needs and whether the output must be production-ready or only assistive.