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How can you ensure your web application project is modular?

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Modularity is a key principle of software design that can improve the quality, maintainability, and scalability of your web application project. It means breaking down your project into smaller, independent, and reusable components that communicate with each other through well-defined interfaces. But how can you ensure your web application project is modular? Here are some tips and best practices to follow.

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Chetan Sheladiya

Top Voice in AI | Founder & CEO @ Metizsoft | Founder @ Destinova AI Labs | Innovation Leadership, Strategic Vision
Brendo Gomes

Desenvolvedor Front-end | Angular | Vue | Typescript | Javascript

1 Choose a suitable architecture

When designing your web application architecture, it's important to consider performance, security, and reliability to ensure your project is modular. Monolithic architecture is simple and easy to develop, however it can become difficult to scale, test, and update as the project grows. Microservices architecture is flexible and scalable, but can introduce complexity and overhead in coordination, deployment, and monitoring. Serverless architecture is cost-effective and scalable, but can limit the control and customization of the application. Depending on your project's requirements, goals, and resources, you should choose the architecture that best suits your needs and supports modularity.

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Chetan Sheladiya

Top Voice in AI | Founder & CEO @ Metizsoft | Founder @ Destinova AI Labs | Innovation Leadership, Strategic Vision
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By adopting a component-based structure, code reuse is facilitated, minimizing the risk of code duplication. Effective versioning practices aid in managing and controlling updates, ensuring quality and security. Additionally, managing dependencies is crucial in modular structures as they often rely on various libraries for functionality.

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Brendo Gomes

Desenvolvedor Front-end | Angular | Vue | Typescript | Javascript
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Recentemente, tive a oportunidade de trabalhar com design modular (monorepo) utilizando o NX (build system), especialmente voltada para aplica??es web. Essa abordagem proporciona uma série de recursos que promovem a modularidade, regras de escopo e escalabilidade do projeto sem tanta complexidade como um Micro Frontends. Nesta estrutura, vamos separar nossa lógica em libs/modulos locais. Com isso temos os seguintes ganhos: - Melhor separa??o de responsabilidades - Maior reutiliza??o - “APIs” mais explícitas entre suas “áreas de domínio” - Maior escalabilidade em CI habilitando comandos de test/lint/build independentes para cada lib - Maior escalabilidade em suas equipes, permitindo que equipes diferentes trabalhem em libs separadas

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Divyesh L.

Senior Database Engineer @ Mercury Insurance : JAVA/J2EE/JDBC, Microservices, Spring Boot, API Development, and Cloud Platforms (AWS, GC, Azure), Scrum Master Certified
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Separation of Concerns (SoC): Follow the principle of Separation of Concerns, where different aspects of your application (e.g., presentation, business logic, data access) are kept separate. Modular Directory Structure:Component-Based Architecture:Dependency Injection:Encapsulation: Encapsulate the internal details of each module, exposing only the necessary interfaces. This limits the external dependencies of a module and protects its internal implementation.Reusable Components:APIs and Interfaces:Testing Isolation:Loose Coupling:Documentation:Continuous Integration/Continuous Deployment (CI/CD):Code Reviews and Collaboration:Conduct regular code reviews to ensure that modular principles are followed.

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Yamen Shahin

Lead Software Engineer
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You can use Clean Architecture or any other architecture known for promoting modularity. Clean Architecture separates framework-specific code from core business logic, enhancing code reusability and making it easier to adapt to different frameworks.

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2 Follow coding standards and conventions

Coding standards and conventions are essential for ensuring consistency, readability, and maintainability of your code across the project. They also make it easier to collaborate with other developers and avoid errors and bugs. When writing code, you should use meaningful and consistent names for variables, functions, classes, and files. Comments and documentation can be used to explain the purpose and logic of your code. Additionally, indentation, spacing, and brackets should be used to organize your code and improve its readability. Modular programming techniques such as functions, classes, modules, and packages can help divide your code into smaller and reusable units. Design patterns and principles like SOLID, DRY, and KISS can also be employed to improve the quality and efficiency of your code. Finally, tools like code editors, linters, and formatters can be utilized to help adhere to coding standards and conventions.

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Brendo Gomes

Desenvolvedor Front-end | Angular | Vue | Typescript | Javascript
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Podemos seguir a filosofia do clean code para alcan?ar padr?es de qualidade, focando em três pilares: - Legibilidade do código para pessoas técnicas. - Facilidade de manuten??o para eficiência. - Confian?a na funcionalidade através de testes e revis?es. Princípios a serem adotados: - Testes automatizados garantem a qualidade. - Revis?o por pares assegura a excelência. - Refatora??o contínua para melhorias constantes. - Simplicidade é prioridade (princípio KISS). - Intera??es curtas para implementa??es incrementais. Importante: escrever código limpo para si mesmo é geralmente simples; porém, a verdadeira habilidade está em criar código compreensível para outros desenvolvedores.

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3 Apply dependency injection and inversion of control

Dependency injection and inversion of control are design patterns that reduce the coupling and increase the cohesion of your components. Coupling is the degree of interdependence between components, while cohesion is the degree of relatedness within a component. High coupling and low cohesion can make your components hard to test, reuse, and modify. To address this, dependency injection and inversion of control can be used to achieve low coupling and high cohesion; with dependency injection, dependencies are passed as parameters or arguments instead of creating them within the component, making it more flexible and testable. Inversion of control delegates the control of creating and managing the dependencies to an external entity such as a framework or a container, making it more modular and decoupled. Frameworks and libraries like Spring, Angular, or React can be used to implement these patterns in web applications.

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4 Use component-based frameworks and libraries

Component-based frameworks and libraries are powerful tools to help you create and manage web application components. These tools offer features such as defining the structure, behavior, and style of components using HTML, CSS, JavaScript, or other languages. Additionally, they provide a way to render components on the web browser using the DOM or virtual DOM. Component communication is also enabled through props, state, hooks, or other mechanisms. Finally, component lifecycle is managed through methods, hooks, or other callbacks. Examples of component-based frameworks and libraries include React, Vue, Angular, and Svelte. These tools can be used to create modular and reusable web components that can be easily integrated and updated in your web application.

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Brendo Gomes

Desenvolvedor Front-end | Angular | Vue | Typescript | Javascript
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Acredito que concentrar na componentiza??o, seguindo a abordagem de "Smart & Dumb Components", pode trazer muitos benefícios. Com essa estratégia, um componente pai assume o controle das regras e do tratamento de dados, enquanto outros componentes se concentram na exibi??o de dados ou na execu??o de funcionalidades específicas. Essa abordagem promove a reutiliza??o dos componentes em toda a aplica??o.

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5 Test and refactor your code regularly

Testing and refactoring are essential practices to ensure the quality and modularity of your code. Testing verifies that your code works as expected and meets the requirements and specifications of your project, while refactoring improves the design and structure of your code without changing its functionality. Both can help you detect and fix errors and bugs in your code, improve its performance, security, and usability, reduce complexity and redundancy, and increase modularity and reusability by separating, isolating, or abstracting components. You can use tools such as testing frameworks, code analyzers, and code editors to help you test and refactor your code regularly.

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6 Here’s what else to consider

This is a space to share examples, stories, or insights that don’t fit into any of the previous sections. What else would you like to add?

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How can you ensure your web application project is modular?

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2

3

4

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1 Choose a suitable architecture

2 Follow coding standards and conventions

3 Apply dependency injection and inversion of control

4 Use component-based frameworks and libraries

5 Test and refactor your code regularly

6 Here’s what else to consider

Application Development

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