CLEAN CODE IN JAVASCRIPT: Write Clear and Sustainable Code with Best Practices
About this ebook
You will learn how to modularize by domain, apply SRP, refactor safely, structure middlewares, write clean commits, apply precise typing, and maintain consistency with ESLint, TypeScript, and CI. Each practice is applied with technical rigor and scalability in focus.
With objective chapters and progressive architecture, the content covers everything from code readability fundamentals to complete structural decisions — always with practical application, professional standards, and full alignment with production reality.
clean architecture, modularization, pure functions, srp, reusable hooks, express api, eslint, typescript, safe typing, automated testing, state management, integrated ci, clean versioning, continuous refactoring, reactive componentization
About the author
Diego Rodrigues
Technical Author and Independent Researcher
ORCID: https://orcid.org/0009-0006-
StudioD21 Smart Tech Content & Intell Systems
E-mail: [email protected]
LinkedIn: www.linkedin.com/in/
An international technical writer focused on structured production of applied knowledge. He is the founder of StudioD21 Smart Tech Content & Intell Systems, where he leads the creation of intelligent frameworks and the publication of didactic technical books supported by artificial intelligence, such as the Kali Linux Extreme series, SMARTBOOKS D21, among others.
Holder of 42 international certifications from institutions such as IBM, Google, Microsoft, AWS, Cisco, META, Ec-Council, Palo Alto, and Boston University, he works in the fields of Artificial Intelligence, Machine Learning, Data Science, Big Data, Blockchain, Connectivity Technologies, Ethical Hacking, and Threat Intelligence.
Since 2003, he has developed over 200 technical projects for brands in Brazil, the USA, and Mexico. In 2024, he became recognized as one of the leading technical authors of the new generation, with over 180 published titles in six languages. His work is grounded in his proprietary TECHWRITE 2.2 applied technical writing protocol, focused on scalability, conceptual precision, and practical applicability in professional environments.
