Coding With David

  Real-time functionality is a game-changer for modern web applications. From collaborative tools to live notifications, real-time updates elevate user experience by ensuring data is always fresh and interactions feel instantaneous. Blazor, combined with SignalR , provides a seamless way to build Progressive Web Apps (PWAs) with real-time capabilities. SignalR simplifies the complexity of real-time communication, allowing your app to push updates directly from the server to the client without the need for constant polling. In this post, we’ll guide you through integrating SignalR into a Blazor PWA with practical examples like live collaboration and notifications. Why SignalR for Real-Time Features? SignalR is a real-time communication library for ASP.NET Core that supports multiple transport protocols, such as: WebSockets (preferred for its low latency). Server-Sent Events (SSE) . Long Polling . SignalR automatically selects the best available protocol, making it both flexible an...

  Building a Progressive Web App (PWA) with Blazor is an exciting journey that combines modern web development practices with the power of .NET. In this blog post, we’ll explore a real-world case study: creating a fitness tracker PWA using Blazor. This project illustrates the entire development lifecycle, from concept to deployment, while showcasing best practices and lessons learned along the way. The Concept: A Fitness Tracker PWA Our goal was to build a fitness tracker that allows users to: Log daily workouts and track progress. Monitor key metrics like calories burned and heart rate. Access their data offline and sync it when back online. Enjoy a seamless, native-like experience across devices. Blazor was the perfect choice due to its ability to combine server-side and client-side functionality, robust .NET ecosystem, and built-in PWA capabilities. Step 1: Requirements and Planning Core Features Workout Logging : Users can add exercises, set durations, and log repetitions. Re...

  Blazor has redefined how developers build modern web applications with .NET, offering the flexibility of WebAssembly (WASM) and the real-time capabilities of Blazor Server. But as the framework evolves, developers face a choice between these hosting models—each with its trade-offs. Enter Blazor United , an upcoming innovation in the Blazor ecosystem that promises to unify Blazor Server and WebAssembly into a seamless development model. In this post, we’ll explore what Blazor United is, its potential impact on development workflows, and why it represents the future of full-stack development in .NET. What is Blazor United? Blazor United is Microsoft’s initiative to combine the strengths of Blazor Server and Blazor WebAssembly into a single, flexible hosting model. The goal is to allow developers to build applications that dynamically adapt to user and application needs—using the same codebase. With Blazor United, you can: Render components server-side or client-side based on perfor...

  Unit testing is an essential part of building robust and reliable software, and Blazor components are no exception. With the increasing complexity of modern web applications, ensuring your components work as intended is critical. Enter bUnit , a powerful testing library specifically designed for Blazor applications. In this post, we’ll dive into how to use bUnit to write effective unit tests for your Blazor components and share best practices to maintain code reliability. Why Use bUnit for Blazor Testing? bUnit is a testing library tailored for Blazor components. It simplifies testing by providing: A component rendering engine to simulate UI interactions. Utilities for DOM inspection and validation. Support for dependency injection and cascading parameters. bUnit integrates seamlessly with popular testing frameworks like xUnit, NUnit, and MSTest, making it easy to add to your existing setup. Getting Started with bUnit Step 1: Install bUnit Install bUnit in your test project: dotn...