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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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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 and context the speaker demonstrates various implementations and provides examples using a fictional dog grooming salon application other interesting ideas include using omit and make required types creating components with either or interfaces and using generics memorization and context in react the speaker also introduces the recontextual library for context management react typescript patterns thinking in react query react summit 2023 22 min thinking in react query top content dominik dorfmeister react query maintainer react query is not a data fetching library but an asian state manager it helps keep data up to date and manage agent life cycles efficiently react query provides fine grained subscriptions and allows for adjusting stale time to control data fetching behavior defining stale time and managing dependencies are important aspects of working with react query using the url as a state manager and zustand for managing filters in react query can be powerful react react query state management patterns builders and founders react query best practices react query caching react query dependent queries react state management thinking in react off with their heads rise of the headless components react summit 2023 25 min off with their heads rise of the headless components omry nachman codux headless components are efficient for app development but there s a lot of work involved especially for menus the customizability wall is a problem with component libraries but it can be solved through reverse engineering and design headless components offer no markup or basic markup to be overwritten providing flexibility in code and design quality radix and react aria are recommended stylus component libraries with different apis kodaks experience with headless components highlights the ability to mix and match easily and the potential for market gaps in the headless space radix is a popular choice for headless components due to its well documented and user friendly api headless components aid in testing distribution of design systems and accessibility mui is a self consistent and rich library while radix focuses on accessibility and default accessibility kodaks integrates well with headless libraries and welcomes feedback through discord headless react components component library patterns headless react react aria proven pinia patterns vue js london 2023 20 min proven pinia patterns top content adam jahr vue mastery pinnia is a lighter more modular state management solution for vue apps offering consistent patterns typescript support and an intuitive developer experience pinia encourages splitting state into manageable domains improving code splitting type inferences team collaboration and debugging clarity pinia provides flexibility in accessing and mutating state with different approaches for option and setup stores it also offers features like patch reset and onaction methods vue mastery offers comprehensive pinnia courses and resources for fast learning vue 3 design patterns pinia react component design patterns vue js london 2023 18 min component design patterns top content michael thiessen full time vue educator the talk covers clean components and when to create new components as well as patterns for writing cleaner components and the benefits of vip patterns refactoring and separating code into separate components can make it shorter and easier to read reducing complexity the importance of not repeating oneself and the benefits of using smaller components for performance and developer experience are discussed composables can help extract logic in large and complex components and patterns can be incorporated into component libraries and design systems vue design patterns authorization patterns in graphql graphql galaxy 2022 20 min authorization patterns in graphql sam scott oso this talk introduces the theory and practice of authorization in graphql highlighting the importance of proper authorization in ensuring application functionality and security delegating authorization to the business logic layer is a golden rule in graphql ensuring consistency and avoiding duplication of logic authorization can be done in the resolver layer but it is recommended to combine it with filtering at the database level abstracting authorization behind an api centralizes logic and makes it easier to manage custom directives and permissions fields can reduce the tedium of ensuring correct authorization in every resolver graphql patterns best practices and patterns for managing api requests and states react advanced 2022 206 min best practices and patterns for managing api requests and states workshop thomas findlay with the rise of frameworks such as react vue or angular the way websites are built changed over the years modern applications can be very dynamic and perform multiple api requests to populate a website with fresh content or submit new data to a server however this paradigm shift introduced new problems developers need to deal with when an api request is pending succeeds or fails a user should be presented with meaningful feedback other problems can comprise api data caching or syncing the client state with the server all of these problems require solutions that need to be coded but these can quickly get out of hand and result in a codebase that is hard to extend and maintain in this workshop we will cover how to handle api requests api states and request cancellation by implementing an api layer and combining it with react query prerequisites to make the most out of this workshop you should be familiar with react and hooks such as usestate useeffect etc if you would like to code along make sure you have git a code editor node and npm installed on your machine best practices patterns api development react data fetching killing bugs with kindness react advanced 2022 9 min killing bugs with kindness darshita chaturvedi atri labs this talk focuses on reducing bugs in a react codebase by understanding antipaths it discusses the types of bugs identified and the guardrails implemented to prevent them the importance of being cautious with hooks like usestate and useref is emphasized along with the use of context for state storage the refactoring example demonstrates how reducing usestate and callbacks can improve code quality and efficiency in the framework react fullstack patterns separating separation of concerns react advanced 2022 7 min separating separation of concerns jacob whitford bender xmentium my concern is to accomplish my understanding of my concern a to do app can have more than just managing tasks crosscutting concerns should be co located separation of concerns is an effective technique for ordering thoughts react is not slower than js react may be closer to a library with a concern of scheduling rerendering components too often is a problem in react react is a state management library that helps in separating concer...