Cursor api

Async/Await Promise Chain Broken

After Cursor refactored your async/await code, promises are no longer resolving correctly. Operations that should happen sequentially are executing out of order, causing data inconsistencies.

Async/await syntax or promise handling was likely changed incorrectly.

Error Messages You Might See

Cannot read property of undefined Promise rejection: undefined Data not loaded Operation executed out of order
Cannot read property of undefinedPromise rejection: undefinedData not loadedOperation executed out of order

Common Causes

  1. Missing await on async function call, continuing before completion
  2. Promise.all used with dependent operations (order matters)
  3. Try/catch removed, unhandled promise rejections
  4. Async function syntax broken (async not declared)
  5. Return statement missing in async function

How to Fix It

Always await async calls: const data = await fetchData(). Use Promise.all for parallel: Promise.all([fetch1, fetch2]). Use .then() chain for sequential. Wrap in try/catch: try { ... } catch(e) { ... }. Verify async function returns Promise.

Real developers can help you.

Yovel Cohen Yovel Cohen I got a lot of experience in building Long-horizon AI Agents in production, Backend apps that scale to millions of users and frontend knowledge as well. Luca Liberati Luca Liberati I work on monoliths and microservices, backends and frontends, manage K8s clusters and love to design apps architecture Taufan Taufan I’m a product-focused engineer and tech leader who builds scalable systems and turns ideas into production-ready platforms. Over the past years, I’ve worked across startups and fast-moving teams, leading backend architecture, improving system reliability, and shipping products used by thousands of users. My strength is not just writing code — but connecting product vision, technical execution, and business impact. PawelPloszaj PawelPloszaj I'm fronted developer with 10+ years of experience with big projects. I have small backend background too Meïr Ankri Meïr Ankri Full-stack developer specializing in React / Next.js / Node.js with 6+ years of experience. I've worked across various sectors including automotive (Reezocar/Société Générale), healthcare (Medical Link SaaS), and e-commerce (Glasman). I build web apps end-to-end, from architecture to production, with a focus on scalability, performance, and code quality. I also mentor junior developers and contribute to technical decisions and code reviews. Jen Jacobsen Jen Jacobsen I’m a Full-Stack Developer with over 10 years of experience building modern web and mobile applications. I enjoy working across the full product lifecycle — turning ideas into real, well-built products that are intuitive for users and scalable for businesses. I particularly enjoy building mobile apps, modern web platforms, and solving complex technical problems in a way that keeps systems clean, reliable, and easy to maintain. Mehdi Ben Haddou Mehdi Ben Haddou - Founder of Chessigma (1M+ users) & many small projects - ex Founding Engineer @Uplane (YC F25) - ex Software Engineer @Amazon and @Booking.com Richard McSorley Richard McSorley Full-Stack Software Engineer with 8+ years building high-performance applications for enterprise clients. Shipped production systems at Walmart (4,000+ stores), Cigna (20M+ users), and Arkansas Blue Cross. 5 patents in retail/supply chain tech. Currently focused on AI integrations, automation tools, and TypeScript-first architectures. Daniel Vázquez Daniel Vázquez Software Engineer with over 10 years of experience on Startups, Government, big tech industry & consulting. Kingsley Omage Kingsley Omage Fullstack software engineer passionate about AI Agents, blockchain, LLMs.

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Frequently Asked Questions

When should I use Promise.all?

For parallel independent operations. Promise.all(promises) waits for all. Fails if any rejects.

How do I handle async errors?

try/catch with await. Or .catch() on promise. Don't ignore errors - they'll cause bugs.

Related Cursor Issues

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