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description= This page is dedicated to providing talks, workshops, tutorials and presentations about patterns in JavaScript. Here you can learn the fundamentals of software design patterns, best practices for structuring your code, and how to create efficient and maintainable applications. Our experts will guide you through the intricacies of object-oriented programming, functional programming, and other common design patterns used in modern web development. With our comprehensive range of talks, workshops, tutorials and presentations, youll be able to understand the underlying principles of software design patterns and apply them to build better applications.;
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challenges and designing scalable architectures enhance problem solving skills and code readability improve collaboration and communication within development teams accelerate career growth and opportunities for advancement in the software industry best practices javascript patterns routing in react 18 and beyond react summit 2022 20 min routing in react 18 and beyond top content delba de oliveira senior developer advocate vercel routing in react 18 brings a native app like user experience and allows applications to transition between different environments react router and next js have different approaches to routing with react router using component based routing and next js using file system based routing react server components provide the primitives to address the disadvantages of multipage applications while maintaining the same user experience improving navigation and routing in react involves including loading ui pre rendering parts of the screen and using server components for more performant experiences next js and remix are moving towards a converging solution by combining component based routing with file system routing react next js patterns react file based routing node s concurrency with the strength of a bull with bullmq node congress 2026 95 min node s concurrency with the strength of a bull with bullmq workshop 2 authors node s concurrent nature is powerful already but often we need to push work out of the main server for several reasons in this work we will explore a few scenarios in which work is cleverly pushed to another node process to resolve once we use a queue to distribute workloads we need to identify the nature of the work to be done for either i o or cpu intensive work the first is already perfectly covered by a single node js process we will need to tweak the worker setup to match the available resources and throughput architecture patterns web workers handling heavy processing on the client side jsnation us 2024 18 min web workers handling heavy processing on the client side kevin uehara ifood in this talk the speaker introduces web workers and discusses how they can handle large processing on the client side examples benchmarks and tradeoffs are provided the benefits of using web workers are discussed and a demo project using vanillajs and the live server extension of vs code is showcased the speaker demonstrates how to use web workers to prevent the main thread from getting blocked during large operations the process of creating a web worker file and moving functions to it is explained the speaker also shows how to handle messages and perform operations with web workers the final remarks include contact information and an invitation to check out the speaker s youtube channel for react courses and articles performance design systems architecture patterns micro frontends and security jsnation us 2024 23 min micro frontends and security florian rappl smapiot welcome to a session about micro frontends and security this talk discusses the vulnerabilities in micro frontend systems including injections insecure design and security misconfiguration it also explores identification and authentication flaws and suggests mitigation strategies like using session cookies and secure http channels the talk highlights the importance of implementing a gateway for enhanced security and addresses concerns about insecure design it emphasizes integrity verification of javascript files and the prevention of code injection the use of environment variables and configuration mismanagement is also discussed along with the importance of vulnerability scanning and testing the talk concludes by emphasizing the need for authenticity and monitoring in micro frontend development security architecture patterns inlang using version control to solve i18n jsnation us 2024 14 min inlang using version control to solve i18n samuel stroschein opral in this talk you ll learn about the problem with internationalizing software and how the lake exchange control system solves it internationalizing software involves adapting it for different markets and demographics which includes design translations and currencies the goal is to enable any software company to go global in a day the challenge lies in the coordination required among developers designers translators and other stakeholders the current process involves a complex pipeline and manual processes for translation hand off the key to solving this challenge is an interoperable file format and a change control system called lix which allows for collaboration and automation lix will have a public pre release on december 16th followed by the inlang file specification in q1 2025 design systems architecture patterns cross platform fast flexible virtual scrolling with functional programming jsnation us 2024 16 min fast flexible virtual scrolling with functional programming adam niederer chatham financial today s talk focuses on implementing virtual scrolling to improve performance and flexibility of lists the process involves computing the height of the viewport scroll position and individual list item height by rendering only the elements within the viewport the initial page load and scrolling performance are enhanced various optimization techniques are discussed including memoization binary search and delayed rendering these techniques significantly improve scrolling performance and provide a better user experience additional techniques such as using skeletons element pooling and functional purity can further optimize rendering advanced techniques like moving elements within the pool and using content visibility yield substantial performance improvements however content visibility is better suited for large pages with few large sections overall the talk offers valuable insights into virtual scrolling and its limitations performance design systems patterns monorepos spaceships navigating successfully through code and cosmos jsnation us 2024 28 min monorepos spaceships navigating successfully through code and cosmos max kless nx polygraph hello everyone i d like to start off by telling you a story about a guy named dan he s a mechanic and his job is fixing spaceships dan is a metaphor for all of us developers let s talk about monorepos as you ve probably guessed from the title i ll start off by talking about polyrepos what they do well but also where they fall short then i ll talk about monorepos and what issues they solve as well as why you need good monorepo tooling especially at scale a monorepo is a single repository containing multiple distinct projects with well defined relationships it allows teams to work together in a unified manner monorepos help with velocity safety and mobility monorepos can be adopted incrementally and good tooling can help with running tests ci time is now coupled to the size of the change made rather than the size of the monorepo by generating a task graph from the project graph we can optimize the build process by parallelizing and scheduling tasks nx offers a solution by distributing tasks across multiple agents allowing for time and cost optimization visit monorepo tools or nx dev to learn more and achieve focus and contentment like dan case study design systems architecture patterns breaking the code behind realtime collaboration with websockets jsnation us 2024 20 min breaking the code behind realtime collaboration with websockets vitor norton superviz hello i m vitor norton a developer advocate at superviz i m passionate about connecting people highly dependent on my productivity tools and love the idea of working anywhere in the world working remotely is a top priority but we also don t want to feel alone let s explore some examples of companies that have addressed this issue gather town miro and microsoft teams collaborative components enable real time collaboration by synchronizing participants actions the mouse pointers component utilizes a room concept to synchronize mouse positions channels and websockets are used for real time data synchronization cr dts is a conflict free data related type used to handle counter conflicts in collaborative environments design systems architecture patterns unlocking the potential of real time event driven applications with javascript jsnation us 2024 20 min unlocking the potential of real time event driven applications with javascript jarred utt adb safegate hi i m jerdot a technical lead at aws safegate today i ll discuss event driven architecture and the potentials of real time event driven systems in javascript we ll explore javascript runtimes the event loop and the queues involved event driven architecture involves producing detecting consuming and reacting to events it is used in microservices iot systems and real time data processing tools like event emitters and websockets are used to simplify building event driven applications connection management is crucial and rabbitmq and mqtt are popular message brokers performance optimization can be achieved by using high performing message brokers deploying producers and brokers close together and considering fault tolerance message processing should include storing messages until successfully processed handling events multiple times with unintended side effects and using automatic retries and dead letter queues for transient failures performance design systems patterns navigating a large scale modernization with ddd jsnation 2024 11 min navigating a large scale modernization with ddd markus oberlehner karriere at gmbh austria approximately one year ago we started a modernization effort but faced challenges with company politics and the reality of our tech stack lesson one is the importance of aligning goals and understanding current problems lesson two is the importance of getting everyone on board and committed to the project s success lesson three is repeatedly telling stakeholders why big technological changes are worth the investment architecture patterns eslint one for all made easy jsnation 2024 27 min eslint one for all made easy top content anthony fu vue nuxt and vite core team member eslint is a popular and constantly improving tool that offers full control and simplicity in javascript with native imports the new flat config simplifies the complex tree structure of shared configs and has been in the works for five years it allows for customization and type generation maximizing flexibility eslint can be used as a formatter and a tool for code mode providing more control and customization options it also supports other languages and can be integrated with prettier migrating to the flat config may be challenging but compatible packages and tools are available to assist with the transition patterns understanding rendering patterns react day berlin 2023 9 min understanding rendering patterns atila fassina crabnebula this talk discusses rendering patterns on the web including the use of react and the concept of memoization it explores the idea of using signals to change data without a full re render and how frameworks like solidjs vue svelte and angular are adopting signals the react team is developing react for get a compiler that provides auto memoization to reduce unnecessary re renders different frameworks have their own ways of using signals such as shallow ref or ref in vue use signal in quick and defining and accessing signals in angular and svelte patterns how to not use useeffect react advanced 2023 24 min how to not use useeffect top content mohamad shiralizadeh ing welcome to how not to use useeffect useeffect is a hook introduced in react 16 8 as a replacement for component dismount and update in class components it runs your callback once when the component mounts and when there are changes in dependencies useeffect allows performing side effects such as fetching data useeffect executes its callback asynchronously to allow the browser to render and show something to the user without blocking the main thread setting a state in a useeffect without a dependency array can cause nasty loops sometimes you are using use effects to take care of calling parent events nasty fetch sometimes when fetching articles loading and race conditions need to be considered react performance patterns react useeffect patterns for performance react advanced 2023 28 min patterns for performance top content stephen cooper ag grid this talk discusses patterns for performance in react development including addressing slow resizing in custom cell renderers it explores optimizing react render performance by reducing excessive re rendering and using direct style updates the use of layout effect and callback refs is also highlighted as techniques to improve performance additionally the talk mentions the ag grid and tanstack table libraries as well as upcoming features like grid state restoration react performance patterns game development patterns and architectures in javascript js gamedev summit 2023 28 min game development patterns and architectures in javascript top content olayinka atobiloye github today s talk covers game design and architecture including entity component systems game loops and decoupling game logic from rendering entity component systems are popular in javascript game development for representing games as entities and their components as behavior on data game loops control the flow of the game and updating its state with different architectures like fixed time step and variable time step decoupling game logic from rendering improves performance and flexibility allowing for independent updates and easy addition of new features having a clear separation of concerns in game development improves performance increases flexibility and makes debugging easier javascript architecture patterns game development infer multiple things at once with reverse mapped types typescript congress 2023 26 min infer multiple things at once with reverse mapped types top content mateusz burzyński i m a javascript developer focused on react ecosystem i m also a big oss enthusiast mateusz kruzynski introduces reverse map types and demonstrates their use in transforming object types he discusses how reverse map types can be used for inference and to provide contextual types for parameter types he also shows how reverse map types can be used to extend an entity and bind event listeners in the context of state machines he explains how reverse map types can be utilized to strongly type the initial property and create hierarchical state machines however there are limitations to be aware of such as inferring a single thing per object property or tuple element typescript patterns 7 typescript patterns you should be using react summit 2023 19 min 7 typescript patterns you should be using top content morten barklund react quickly co author this talk introduces 7 essential typescript patterns for react development including children spreading props either or generic components...
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