Talks from our events
React Summit 2026
React Summit 2026
Jun 11 - 16, 2026
JSNation 2026
JSNation 2026
Jun 11 - 15, 2026
TechLead Conf Amsterdam 2026: Adopting AI in Orgs Edition
TechLead Conf Amsterdam 2026: Adopting AI in Orgs Edition
Jun 11, 2026
Web Engineering Summit 2026
Web Engineering Summit 2026
Jun 11 - 15, 2026
Node Congress 2026
Node Congress 2026
Mar 26 - 27, 2026
AI Coding Summit 2026
AI Coding Summit 2026
Feb 26 - 27, 2026
TechLead Conf London 2025: Adopting AI in Orgs Edition
TechLead Conf London 2025: Adopting AI in Orgs Edition
Nov 28, 2025
React Advanced 2025
React Advanced 2025
Nov 27 - Dec 1, 2025
React Summit US 2025
React Summit US 2025
Nov 18 - 21, 2025
JSNation US 2025
JSNation US 2025
Nov 17 - 20, 2025
AI Coding Summit 2025
AI Coding Summit 2025
Oct 23 - 24, 2025
TechLead Conference 2025: AI in Orgs
TechLead Conference 2025: AI in Orgs
Sep 18 - 19, 2025
Latest
All talks
FullStack Monitoring with Open Telemetry: End-to-End Observability for Modern Applications
JSNation 2026JSNation 2026
30 min
FullStack Monitoring with Open Telemetry: End-to-End Observability for Modern Applications
In this talk, I’ll show how to instrument applications end-to-end with OpenTelemetry, capturing metrics, traces, and logs across the entire request lifecycle. You’ll learn to pinpoint errors, understand why they happen, and fix them faster – guided by real-world examples and a starter template fo...
Effective Strategies for Managing Remote Frontend Teams
React Summit 2026React Summit 2026
19 min
Effective Strategies for Managing Remote Frontend Teams
We’ll dive into proven methods for building and sustaining high-performing remote teams. You’ll gain insights into maintaining seamless communication, promoting a positive team culture, and using the right tools for project success. We’ll also tackle the common hurdles, such as time zone coordina...
This Component Could Have Been A Class
React Summit 2026React Summit 2026
33 min
This Component Could Have Been A Class
The web platform is not the same as it was in 2013, but many of us are still living in a world where every UI element is constructed from scratch in React. In this talk, Scott explores advancements in the web platform that can greatly simplify your React components while making them more accessib...
Agents on the Canvas With tldraw
Web Engineering Summit 2026Web Engineering Summit 2026
29 min
Agents on the Canvas With tldraw
At tldraw, we've been exploring the infinite canvas as a surface for real-time collaboration between multiple agents and multiple users. Learn about what works, what doesn't, and whether the future AI might live on the canvas.Our work with AI on the canvas began with makereal.tldraw.com, o...
Chunking
Web Engineering Summit 2026Web Engineering Summit 2026
28 min
Chunking
We look into how bundlers place modules into output files in a process called "chunking". What are the competing metrics that can be influenced by chunking? Why is CSS and JS chunking completely different? What are performance considerations for large apps? How does JS chunking and CSS chunking w...
Software Craftless: Writing Code That Would Make a Goat Vomit
JSNation 2026JSNation 2026
15 min
Software Craftless: Writing Code That Would Make a Goat Vomit
Most technical talks teach you how to write clean, scalable, maintainable code. This one does not. Here you will learn how to write code that confuses, deceives, and breaks things in unexpected ways... on purpose. And on top of that, in JavaScript.Discover how to:Hide bugs so w...
AI Can Generate Tests for You, Now What?
Web Engineering Summit 2026Web Engineering Summit 2026
22 min
AI Can Generate Tests for You, Now What?
Tools like Playwright MCP (or AI) or Claude Code can generate tests for your code.Cursor can give you testing suggestions about your codebase that sounds logical within seconds also.Testing has never felt this easy before.Until the need for a full scale, seamless are effectiv...
Global-Scale React: Architecting for Localization, Multi-Tenancy, and Dynamic Markets
React Summit 2026React Summit 2026
14 min
Global-Scale React: Architecting for Localization, Multi-Tenancy, and Dynamic Markets
Building a global product using React is not just about translating UI to code; it’s about architecting for localization, multi-tenancy, compliance, and market-specific behaviors. Leading architecture at Gopaddi, we’re scaling a travel operating system that serves users across continents, each wi...
Ashes to Ashes, Spec to Spec: The Rebirth of Modern Testing
React Summit 2026React Summit 2026
29 min
Ashes to Ashes, Spec to Spec: The Rebirth of Modern Testing
While tools like Jest, Jasmine, Karma, and Testing Library  were always there when we needed them for testing our web apps, it's time to move on. In this talk, we'll revisit the battle scars they left behind, and explore how Vitest isn't just trendier — it's the result of hard-earned lessons in s...
Browser, API and Assistive Technology: A Love Triangle
JSNation 2026JSNation 2026
28 min
Browser, API and Assistive Technology: A Love Triangle
Accessibility can often be presented as a checklist but why do your accessibility tests with assistive technology not perform the way you intended? The hidden relationship between browsers, accessibility APIs and assistive technology may be the answer to your frustrations. Understanding th...
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Trending today
React Compiler - Understanding Idiomatic React (React Forget)
React Advanced 2023React Advanced 2023
33 min
React Compiler - Understanding Idiomatic React (React Forget)
Top Content
Watch video: React Compiler - Understanding Idiomatic React (React Forget)
Joe Savona
Mofei Zhang
2 authors
The Talk discusses React Forget, a compiler built at Meta that aims to optimize client-side React development. It explores the use of memoization to improve performance and the vision of Forget to automatically determine dependencies at build time. Forget is named with an F-word pun and has the potential to optimize server builds and enable dead code elimination. The team plans to make Forget open-source and is focused on ensuring its quality before release.
Pear Runtime: Zero-Infrastructure, P2P High-Scale Applications
JSNation 2024JSNation 2024
8 min
Pear Runtime: Zero-Infrastructure, P2P High-Scale Applications
Pair Runtime is a fully peer-to-peer runtime that operates on user devices, with no data stored in the cloud. Pair is a development and deployment tool that enables creating and running Pair applications on user devices. Pair is a platform for building terminal, desktop, and mobile applications, providing all the necessary tools and resources. It offers inherent data security and uses a hole-punching algorithm to connect peers. Pair is designed for simplicity and true security.
Interviewing in the Post-LLM World
TechLead Conf Amsterdam 2026: Adopting AI in Orgs EditionTechLead Conf Amsterdam 2026: Adopting AI in Orgs Edition
29 min
Interviewing in the Post-LLM World
The AI-Native Software Engineer
JSNation US 2025JSNation US 2025
35 min
The AI-Native Software Engineer
Top Content
Software engineering is evolving with AI and VIBE coding reshaping work, emphasizing collaboration and embracing AI. The future roadmap includes transitioning from augmented to AI-first and eventually AI-native developer experiences. AI integration in coding practices shapes a collaborative future, with tools evolving for startups and enterprises. AI tools aid in design, coding, and testing, offering varied assistance. Context relevance, spec-driven development, human review, and AI implementation challenges are key focus areas. AI boosts productivity but faces verification challenges, necessitating human oversight. The impact of AI on code reviews, talent development, and problem-solving evolution in coding practices is significant.
What RSCs Can Do in Next.js Today
React Summit 2026React Summit 2026
36 min
What RSCs Can Do in Next.js Today
A Guide to React Compiler Rendering
React Summit 2026React Summit 2026
32 min
A Guide to React Compiler Rendering
No Servers, No Cloud, No Masters: Make P2P Apps
JSNation 2026JSNation 2026
32 min
No Servers, No Cloud, No Masters: Make P2P Apps
The Rise of the AI Engineer
React Summit US 2023React Summit US 2023
30 min
The Rise of the AI Engineer
Top Content
Watch video: The Rise of the AI Engineer
The rise of AI engineers is driven by the demand for AI and the emergence of ML research and engineering organizations. Start-ups are leveraging AI through APIs, resulting in a time-to-market advantage. The future of AI engineering holds promising results, with a focus on AI UX and the role of AI agents. Equity in AI and the central problems of AI engineering require collective efforts to address. The day-to-day life of an AI engineer involves working on products or infrastructure and dealing with specialties and tools specific to the field.
Short takes
How To Get The Most Out Of the Cloud As A Front-End Developer
React Summit US 2025React Summit US 2025
7 min
How To Get The Most Out Of the Cloud As A Front-End Developer
Front-end developers benefit from cloud services like AWS S3 and Lambda. AWS offers services like Cognito for identity management and Bedrock AI models. AWS Amplify provides Hosting and Cloud Development Kit for efficient development. The Cloud Development Kit is recommended for TypeScript deployment. AWS Amplify connects front-end to AWS services and SDK for back-end. QR code feedback is available for the talk.
A JS Dev's Guide to Not Dismissing Blockchain
JSNation US 2025JSNation US 2025
8 min
A JS Dev's Guide to Not Dismissing Blockchain
Brian Wipo, Developer Relations lead at the Algorand Foundation, discusses the relevance of blockchain in 2025 and its impact on developers. Algorand's high-performance blockchain addresses key issues faced by other platforms, enabling new markets and real-world applications like tokenized assets and supply chain traceability. In 2025, blockchain excels in disintermediating markets, tracking data integrity, and creating new markets such as fractional ownership of assets. Real businesses on Algorand include tokenized solar panels, real estate ownership, supply chain traceability, and more. Using a para wallet with a mastercard debit card, you can buy items at the store with stable coins. Algorand TypeScript 1.0 simplifies writing smart contracts on the chain in TypeScript. TypeScript developers can now integrate blockchain using a compiler that transforms code into Teal assembly language for blockchain execution.
I Did Everything Wrong So You Don't Have To
React Summit 2026React Summit 2026
6 min
I Did Everything Wrong So You Don't Have To
Images are often shipped with the wrong dimensions, wrong format, and no optimization for the layout they sit in. In this talk, we start from a broken React e-commerce page using the ImageKit SDK, use the Chrome DevTools MCP server to audit real network requests and identify performance issues, t...
Video Optimization for the Web: The Missing Piece in Lighthouse
React Summit US 2025React Summit US 2025
7 min
Video Optimization for the Web: The Missing Piece in Lighthouse
Rahul introduces video optimization principles, emphasizing modern formats, compression, bitrate reduction, and lazy loading. ImageKit simplifies video loading by compressing videos significantly and adapting to network conditions. Pausing videos when not in view saves data costs and enhances user experience.
Everyone Is Now a Manager - Interfaces in the World of Agents
TechLead Conf London 2025: Adopting AI in Orgs EditionTechLead Conf London 2025: Adopting AI in Orgs Edition
6 min
Everyone Is Now a Manager - Interfaces in the World of Agents
Sam Kmezverk's talk covers the evolving tech landscape, emphasizing key principles for agents' implementation in tasks and decision-making processes. Addressing challenges in agent orchestration, debugging system issues, and cultivating user trust are crucial for successful interface development.
Organic Leadership in the Age of AI: Why human Touch Becomes More Valuable Than Ever
TechLead Conf Amsterdam 2026: Adopting AI in Orgs EditionTechLead Conf Amsterdam 2026: Adopting AI in Orgs Edition
8 min
Organic Leadership in the Age of AI: Why human Touch Becomes More Valuable Than Ever
In this talk, Kseniia Korostelova shares the results of a real experiment where she attempted to delegate parts of her engineering leadership work to AI. From architecture decisions and feature planning to design reviews and performance feedback, some tasks worked surprisingly well while others f...
Taming the Flicker: Firebase Patterns for React Server Components
React Summit 2026React Summit 2026
7 min
Taming the Flicker: Firebase Patterns for React Server Components
Integrating Firebase into a modern React stack often feels like a tug-of-war between server and client state. Juggling the appropriate SDK, managing rehydration flickers, and handling session management can make our "simple" SDK complex. Dive into battle-tested patterns and the latest SDK feature...
Framework Native Rendering Without Code Duplication?
React Summit 2026React Summit 2026
6 min
Framework Native Rendering Without Code Duplication?
Stephen explains how AG Grid implemented an abstraction layer that allows component libraries to target multiple frameworks, using the framework's native rendering, and without requiring framework-specific code for each feature.
Garbage Collection Between V8, cppgc (Oilpan), and Native Runtimes
Node Congress 2026Node Congress 2026
9 min
Garbage Collection Between V8, cppgc (Oilpan), and Native Runtimes
Today's presentation delves into garbage collection challenges in JavaScript and native code, highlighting the impact on memory leaks and bugs. V8's implementation of minor and major garbage collection is discussed. The evolution of memory management in runtimes, including Node.js and Deno, is explored, emphasizing the shift towards automatic cleanup and improved performance. The complexity of runtime memory management, especially in handling CPP objects and bridging with workers, is outlined. Key points include the efficiency gains from generational garbage collection and the importance of migrating away from certain memory management practices for enhanced runtime performance.
Using Spec-Driven Development for Production Workflows
JSNation US 2025JSNation US 2025
7 min
Using Spec-Driven Development for Production Workflows
We're discussing spec-driven development and the innovative AI IDE, QIRO, that supports this approach. QIRO focuses on structured specifications before coding, aiding developers in creating designs. The QIRO mascot, a playful ghost, symbolizes the essence of spec-driven development. Eric Hanchett discusses QIRO, emphasizing its spec-driven development feature integrated into the IDE. QIRO aids in in-depth feature planning, resembling a structured requirements approach. Coding assistants benefit from detailed examples for efficient development. Exploring Manual Coding Assistance: Creating user requirements, building design documents, and task lists manually. Example of using spec mode in a coding assistant to break down requirements, create designs, and implement features.
Popular
React
Gotta Go Fast: React at 60 FPS
React Summit 2026React Summit 2026
16 min
Gotta Go Fast: React at 60 FPS
How can you create performant animations, backed by fast-updating data, on the web, using React?

Come learn how to make silky-smooth data-powered animations without having to give up the convenience of React. (Mostly…)

React is great for manipulating the DOM, but all that sh...
Suspenseful Component Composition
React Summit US 2025React Summit US 2025
12 min
Suspenseful Component Composition
Simeon Griggs discusses Suspenseful Component Composition, the use of fallback props, and the basics of suspense in React applications with a demo showcasing data fetching and layout shifting. Exploring issues with data fetching and suspense boundaries. Addressing the challenges of using suspense boundaries and data fetching for individual rows in React applications. Creating consistent fallback elements for smooth loading experiences in tables by aligning sizes and optimizing data fetching placement. Optimizing data fetching placement for smoother loading experiences. Consider exporting suspense boundary to enhance code cleanliness and be defensive against data fetching errors. Use error boundaries to handle errors in suspenseful data fetching components for a smoother user experience.
Lessons From Adopting React Compiler
React Summit US 2025React Summit US 2025
23 min
Lessons From Adopting React Compiler
Akash Hamilwasia presenting at React Summit 2025, shares React Compiler learnings and works on an AI audio platform. Memoization in React helps optimize UI performance by preventing unnecessary re-renders. React Compiler offers automatic memoization through static code analysis. React rules emphasize purity and immutability. The compiler analyzes and memoizes code changes for optimization. React Compiler package usage improves performance through code analysis. Understanding reactivity issues is crucial for handling React state. Compiler optimization requires correct dependency arrays and usage of external libraries. Measure React Compiler impact using React Profiler for optimization and real user impact analysis.
React on the Edge
React Summit 2026React Summit 2026
17 min
React on the Edge
We all know React as the community favorite library for developing web and mobile but what about devices on the edge? Edge/Embedded devices have significant restrictions on resources (memory, disk space, and compute) but that doesn't mean React can't be deployed to them. In this talk we'll discus...
Conquering React Concurrency
React Summit 2026React Summit 2026
25 min
Conquering React Concurrency
When React 18 was released with the first concurrent features, the documentation clearly stated, “The most important addition in React 18 is something we hope you never have to think about: concurrency.”
It’s been a few years, and by now it’s clear that this statement was optimistic. You def...
React Bits: The Art of Standout UI
React Summit 2026React Summit 2026
21 min
React Bits: The Art of Standout UI
Replacing Form Libraries With Native Web APIs
React Summit 2026React Summit 2026
17 min
Replacing Form Libraries With Native Web APIs
In 2026, shipping a heavy library like Formik or React Hook Form is often an unnecessary performance tax. This "delete code" session showcases how to use the Constraint Validation API, the Popover API, and native HTML Form Validation to build complex, accessible, and high-performance forms with z...
Giving AI Agents Hands: Mobile Feedback Loops with Agent Device
React Summit 2026React Summit 2026
26 min
Giving AI Agents Hands: Mobile Feedback Loops with Agent Device
AI coding agents can generate React Native code quickly, but they still need a reliable way to see, touch, debug, and verify the app they are changing. This talk introduces Agent Device, Callstack’s agent-native automation layer for mobile apps, and shows how it gives coding agents a practi...
React Strict Dom: Cross-Platform React Based on the Web
React Summit US 2025React Summit US 2025
29 min
React Strict Dom: Cross-Platform React Based on the Web
Talk on cross-platform React using ReactStrict DOM to unify web and native React, standardizing for consistent UI development. Fragmentation challenges in React due to lack of standardized styling systems, impacting development efficiency and product consistency. Exploring unsuccessful cross-platform React approaches and the importance of minimizing migration costs. Enabling web developers to build native apps with React Native while enhancing it with web APIs for seamless code migration. Benefits of code sharing for cross-platform apps, AI integration for React Strict DOM, and the future vision for React Native as a web renderer. Unified styling in React Native, Tailwind integration, and UI best practices. Flexibility and readiness in React DOM, potential inclusion in React Foundations, and considerations for reversibility of decisions in React DOM.
Plug and Play Design: Building Extendable React Applications
React Summit US 2025React Summit US 2025
29 min
Plug and Play Design: Building Extendable React Applications
Mateusz Jagodziński, principal developer at Synergy Codes, shares insights on Plug and Play Design Building Extendable React Applications, discussing feature flags, modularity, and real-world use cases. Challenges of feature flags, the concept of alternative modular design for feature management, and the importance of modularity in code organization and development. Configurability and limitations in feature management, showcasing a plugin-based design for flexible tool versions and code manipulation. Explanation of plug and play design for code manipulation and version control with full type safety in TypeScript projects. Exposing functions to register new plugins, organizing plugins' logic within individual folders, and implementing a build setup with a replacement mechanism for plugin files. Replacing missing plugins with a fallback code, enforcing restriction on direct plugin imports, and visualizing the relationship between plugins, adapters, and application components. Exploring pros and cons of self-contained plugins, addressing implementation overhead, and discussing the value of enforced modularity for AI coding tools. Discussing plugin management decisions based on client needs and the scalability of the approach with changing requirements and minor tweaks. Handling plugin version tracking, automated testing challenges, and feature control based on environments. Adapters and maintaining plugin compatibility through iterations and cosmetic changes, leveraging existing solutions for simplicity. Discussing the implications of not shipping separate builds for multiple customers and considering the benefits of smaller bundle size. Exploring the ease of trying out new features with separate plugins to assess overhead and developer experience.
Node.js
Node.js + TypeScript: A Native Integration Years in the Making
JSNation US 2025JSNation US 2025
19 min
Node.js + TypeScript: A Native Integration Years in the Making
Welcome to JS Nation. Marco Ippolito discusses NodeJS and TypeScript integration, challenges, and growth. TypeStripping in Node.js removes TypeScript syntax for execution. Efficient TypeStripping in Node 22 skips SourceMaps, aligns with TypeScript versions. Enhanced features in Node 22 support experimental TypeScript features with limitations. Node.js supports TypeScript features with erasable syntax and namespace in Node 23.8. Importing types correctly crucial to avoid errors. Node.js TypeScript integration update includes switching to TypeScript, browser support, and community involvement.
The State of Node.js Security
Node Congress 2026Node Congress 2026
27 min
The State of Node.js Security
Introducing Node.js security overview, defining vulnerabilities, non-vulnerabilities, and preventive measures. Discussing Node.js API input validation, real vulnerabilities like HTTP server crashes, and the importance of Node.js security in widely used platforms. Discussing the importance of Node.js maintenance, the introduction of experimental permissions in Node.js 20, and the seatbelt philosophy to protect against malicious code. Discussing the importance of maintaining up-to-date Node.js versions and using tools like npx isMyNodeVulnerable for security checks. Discussing the importance of Node.js security releases, funding, and dependency vulnerability assessment for a safer Node.js environment. Using Node.js Dependency Vulnerability Assessment to evaluate and address potential vulnerabilities, ensuring automated security checks and updates for a safer Node.js environment. Automating Node.js security release process, including configuration files for dependencies, extensive testing across various environments, and creating security release issues and blog posts automatically. Support for various environments, extensive testing with over 55 suites and 5,000 unit tests, automation efforts to streamline processes, and the establishment of a maintenance threat model for enhanced security measures. For a single pull request, it takes six hours to run tests, automation efforts in progress, maintenance threat model to address security risks, permission model roadmap, ongoing discussions on security reports, and plans for the Node.js Collaborator Summit. Active community involvement in Node.js security development, four security releases from 2024 to 2026 addressing various vulnerabilities, end-of-life version strategy with Node.js 16 and 18 having high weekly downloads, and the approach to issuing CVEs for end-of-life versions. Node.js project's strategy adjustment for CVEs to include end-of-life versions, importance of Node.js threat model, trust boundaries, and developer responsibilities. Node.js protection against network data, upgrade recommendations for different Node.js versions, and upcoming changes in Node.js release schedule.
Breaking the Context Ceiling: Implementing Recursive Language Models with LangGraph and TypeScript
Node Congress 2026Node Congress 2026
21 min
Breaking the Context Ceiling: Implementing Recursive Language Models with LangGraph and TypeScript
Jamal Legaro discusses challenges with context windows in language models and recursive language models as a solution. Enhancing language model performance through metadata and summaries, orchestrator copies, and comparing scaffold and RLM approaches. Efficient management of language model operations with slicing, recursion, code execution, and context window handling. Graph-based workflow design in Langchain for agent connections and state management. Workflow management, document analysis, and using RLM for processing large documents. Detailed workflow setup, code structure with Langsmith, and node definitions with RLM benefits for cost considerations and production readiness.
The State of Node.js 2025
JSNation US 2025JSNation US 2025
19 min
The State of Node.js 2025
Matteo Collina presents an updated talk on Node.js, discussing roles, open-source projects, and dispelling myths. He highlights Node.js vitality, contrasts with legacy technologies like COBOL and jQuery. The talk covers Node.js popularity, software reuse, module growth, and download stats. It addresses risks of not updating Node.js, LTS support phases, version updates, adoption rates, security measures, Node 24 features like ESM support and stable permissions. Collaboration processes, TSC role, governance, and benefits of Platformatic VAT for app development are also discussed.
Node.js: More Threads Than You Think
React Advanced 2025React Advanced 2025
32 min
Node.js: More Threads Than You Think
The talk covers a range of topics including Node.js evolution to a multi-threaded system, scaling with the cluster module, managing PM2 for efficient orchestration, challenges in SSR frameworks, TCP SO reuse port for resource utilization, VAT architecture for smart service routing, zero downtime deployment with shared cache, performance benchmark results, PM2 performance challenges, legality and functionality of TCP SO reuse port, kernel balancing considerations, tool comparison between PM2 and Deno, cache consistency challenges, VAT architecture with worker thread recovery, T-scaling for vertical scaling, and updating Node V6 applications.
From Legacy to Delight: The Future of Node.js DX
JSNation 2026JSNation 2026
21 min
From Legacy to Delight: The Future of Node.js DX
For over a decade, Node.js documentation relied on legacy tooling, despite being the critical source of truth for @types/node, Bun, Deno, and AI models. In this talk, we unveil the engineering behind @nodejs/doc-kit – the modular successor to Node’s documentation engine. Discover how we parse mas...
Unlocking the Power of the Dependency Graph
Node Congress 2026Node Congress 2026
19 min
Unlocking the Power of the Dependency Graph
Rui Adorno emphasizes the power of dependency graphs in JavaScript projects, highlighting the underutilized graph structure and the importance of understanding metadata. The discussion delves into advanced dependency selector syntax, integrating query language with VLT client for updates and additions, running tests, and updating versions. The exploration of VLT client features includes secure package installs, phased installation processes, and DSS capabilities. Multi-project package filtering is expanded through DSS query language with a host local selector for benefits like script inspection and AI agents.
JavaScript File Handling Like a Pro: From ZIP Streams to Memory-Efficient Parsing
JSNation US 2025JSNation US 2025
24 min
JavaScript File Handling Like a Pro: From ZIP Streams to Memory-Efficient Parsing
Node.js offers significant capabilities for efficient file handling, emphasizing the importance of processing files effectively to avoid crashes and memory issues. Understanding streams, backpressure, and stream concepts like readable, writable, duplex, and transform streams is crucial for efficient file handling. Streams enable working with data in chunks, ensuring stable memory usage and efficient applications. Backpressure in streams optimizes memory usage by processing data incrementally, unlike loading entire files into memory. Utilizing readable streams in processing improves concurrency and avoids blocking the event loop.
Life of an ESM in Node.js – and How It's Changing for the Better
JSNation 2026JSNation 2026
29 min
Life of an ESM in Node.js – and How It's Changing for the Better
The JavaScript ecosystem is moving towards a standardized module system, and Node.js is evolving to aid its adoption. What actually happens when Node.js loads an ES module today? This talk walks the full pipeline - resolution, loading, parsing, compilation, linking, instantiation, and evaluation....
Stop Paying for AI APIs: npm Install Your Way to In-Process Inference
Node Congress 2026Node Congress 2026
26 min
Stop Paying for AI APIs: npm Install Your Way to In-Process Inference
Introduction by Ed Silva, a Node.js core collaborator, discussing the significance of AI in 2026. Companies facing challenges in AI implementation, focusing on AI integration and the need for developer skills. Demonstrations of Node.js egg cooking using Hug and Face community and model inference with Hug and Face Transformers. Transformers JS extending NLP to computer vision and audio tasks, utilizing O-N-N-X format for model execution. Tasks and examples available in Transformers.js for NLP and computer vision, emphasizing model differentiation and execution processes. Optimization techniques for model download trade-offs, GPU utilization, and experimentation possibilities with models like Hugging Face.
Testing
Fast-Tracking Quality for Hundreds of React Applications With Automated Testing Layers
React Advanced 2025React Advanced 2025
29 min
Fast-Tracking Quality for Hundreds of React Applications With Automated Testing Layers
Discussion on improving release cycles and testing efficiency, transitioning to React Native, quality assurance challenges addressed through redefined responsibilities and test automation, shift-left approach for early testing and diversification of automated tests, efficient test execution with caching strategies, impact of caching on CI performance, efficiency with change recognition and caching, project-specific approaches for testing, test optimization with AI and Pyramid test structure, QA team transitioning to engineering, handling unautomated tests and test association, maintaining test stability with Git revert strategy.
AI Can Generate Tests for You, Now What?
JSNation 2026JSNation 2026
22 min
AI Can Generate Tests for You, Now What?
Tools like Playwright MCP (or AI) or Claude Code can generate tests for your code.Cursor can give you testing suggestions about your codebase that sounds logical within seconds also.Testing has never felt this easy before.Until the need for a full scale, seamless are effectiv...
A Leak in the Shell – How Refactoring Autocomplete Broke Us and How We Fixed It
JSNation 2026JSNation 2026
26 min
A Leak in the Shell – How Refactoring Autocomplete Broke Us and How We Fixed It
Improving the autocomplete in MongoDB's database CLI seemed like a great idea. But when the team tried to flip the feature flag, things quickly started to go sideways: A story of memory leaks, bugs that touch the very core of JavaScript as a language, and hard-learned lessons about testing and pe...
The 2025 State of JavaScript Testing
JSNation US 2025JSNation US 2025
27 min
The 2025 State of JavaScript Testing
Speaker reflects on the importance of testing, shares insights from the state of JS survey, and discusses future plans for JavaScript testing in 2025. Companies are exploring testing tools and methodologies based on surveys and personal data. Evolution of testing practices from browser to node-based environment with VTest adoption. Advancements in testing technology include VTest's role, Playwright for end-to-end testing, and comprehensive testing solutions. Progress in self-healing tests, AI integration, and tool resurgence like Storybook and MSW for API mocking. Diverse opinions on testing in 2025, with a focus on static analysis, VTest, and end-to-end testing resurgence to browser.
Automated Accessibility Testing in React: Beyond the Basics
React Advanced 2025React Advanced 2025
9 min
Automated Accessibility Testing in React: Beyond the Basics
Introduction to Accessibility Testing in React applications, emphasizing early automation and challenges in scaling. Importance of instant feedback, Unity test, and entry testing for code accessibility. Utilizing end-to-end testing tools like Jest-Axi and Cypress to ensure accessibility compliance. Emphasis on manual testing alongside automated tools. Encouragement for discussions on LinkedIn to enhance accessibility knowledge.
Think Like a Tester: What to Look For in AI-Generated Code
JSNation 2026JSNation 2026
16 min
Think Like a Tester: What to Look For in AI-Generated Code
AI is writing code faster than ever. But there's a gap: the gap between "it works" and "it works correctly."As a QA Automation Engineer with 9 years of experience, I've developed the instinct to see what breaks before it breaks. AI generates clean code that hides catastrophic bugs in plain...