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Practical Typescript

4.8 Filled star Filled star Filled star Filled star Half star
Based on 215 ratings
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John Smilga

Dive into the world of TypeScript with our "Practical TypeScript" course, designed for developers seeking a comprehensive understanding from the basics to advanced concepts. This course begins with setting up a TypeScript project using Vite, guiding you through a series of tutorials that cover essential TypeScript features and best practices.

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Dive into the world of TypeScript with our "Practical TypeScript" course, designed for developers seeking a comprehensive understanding from the basics to advanced concepts. This course begins with setting up a TypeScript project using Vite, guiding you through a series of tutorials that cover essential TypeScript features and best practices.

You'll learn about type annotations, type inference, and the practical applications of type annotation, along with an exploration of union types and the handling of "any", "unknown", and "never" types. The course also covers the fundamentals of arrays and objects, and introduces challenges to reinforce learning. Additionally, you'll delve into the complexities of functions in TypeScript.

As you advance, the course explores more sophisticated TypeScript features, such as generics, fetching data with TypeScript, and working with the Zod library for data validation. You'll also gain insights into TypeScript declaration files and class-based programming with TypeScript. Each tutorial is designed to provide hands-on experience, enabling you to effectively apply TypeScript features in real-world scenarios.

Furthermore, this course extends to integrating TypeScript with React, covering component structure, prop handling, state management, event handling, and complex component structures. You'll learn about using React's Context API, reducers, and global state management in a TypeScript environment, as well as data fetching and validation techniques. The course concludes with a practical task management application, highlighting the use of localStorage and task state management.

Finally, the course culminates in building a modern store application with TypeScript,  Shadcn/ui, and React Router, incorporating features such as authentication and pagination. Join us in "Practical TypeScript" to elevate your skills and confidently apply TypeScript in your development projects, from basic to advanced levels.

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What's inside

Learning objectives

  • Understand typescript basics: grasp type annotations, inference, union types, and handling "any", "unknown", and "never" types.
  • Master advanced features: learn generics, data fetching, and zod library for validation in typescript.
  • Integrate with react: master typescript integration with react, covering component structure, prop handling, and state management.
  • Build modern applications: develop skills to create store applications with typescript, shadcn/ui, react router, authentication, and pagination.

Syllabus

Introduction
Typescript Info
Setup
Useful Info
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Dive into the core concepts of TypeScript with this focused quiz on type annotations, inference, and maintaining type safety in your code. Perfect for beginners and those solidifying their foundational knowledge.

Explore the foundational concepts of TypeScript with this quiz focused on Union Types, the "any" type, and the practical application of type annotations. Perfect for reinforcing your understanding of type safety and best practices in TypeScript!

Test your knowledge of TypeScript with this quiz on arrays and objects. Learn how to define and enforce types for collections and key-value pairs while avoiding common pitfalls. Perfect for solidifying your understanding of these essential concepts!

Dive into the world of TypeScript functions with this quiz! Test your understanding of typed parameters, return values, and common pitfalls while reinforcing best practices for static type checking.

Explore the flexibility of TypeScript functions with this quiz. Test your knowledge of optional parameters, default values, rest parameters, and the void return type while identifying potential pitfalls in code examples.

Test your understanding of TypeScript's function parameters, union types, and handling of objects with this practical quiz. Explore key concepts like type guards, default parameter values, and excess property checks through real-world examples.

This quiz will test your understanding of TypeScript's type aliases, union types, intersection types, and computed properties. Explore how these features simplify complex types and enhance code readability.

This quiz tests your understanding of TypeScript interfaces, focusing on defining object shapes, using optional and readonly properties, and implementing methods. Learn to apply interfaces effectively for consistent and maintainable code.

Test your knowledge of TypeScript interfaces, focusing on advanced concepts like merging, extending, type guards, and comparing interfaces with type aliases. Learn to leverage these powerful features to create robust and flexible type systems.

Test your knowledge of TypeScript's tuples and enums, focusing on their use cases, restrictions, and advanced features like reverse mapping. This quiz will help solidify your understanding of these foundational TypeScript concepts.

This quiz focuses on the advanced types in TypeScript, such as type assertions, unknown, and never. Test your understanding of how these features work and when to use them to enhance type safety and prevent runtime errors.

This quiz explores key concepts of TypeScript modules, including global scope issues, imports/exports, and the use of JavaScript files with TypeScript. Strengthen your theoretical understanding of these fundamental aspects of modular programming in TypeScript.

Explore the theoretical underpinnings of TypeScript's type guards, including equality narrowing, truthy/falsy checks, and discriminated unions. This quiz focuses on understanding the concepts rather than just code examples.

This quiz tests your theoretical understanding of generics in TypeScript, including their purpose, constraints, and applications in functions, interfaces, and default types.

This quiz tests your theoretical understanding of fetching data with TypeScript, handling errors, and using tools like Zod for data validation. Strengthen your knowledge of best practices in data fetching and error handling.

This quiz focuses on TypeScript declaration files (.d.ts) and key tsconfig.json options, exploring their purpose and practical application in modern TypeScript projects.

Traffic lights

Read about what's good
what should give you pause
and possible dealbreakers
Integrates with React, covering component structure, prop handling, and state management, which are essential for modern web development
Teaches the Zod library for data validation, which is a valuable tool for ensuring data integrity in web applications
Covers TypeScript declaration files, which are essential for working with JavaScript libraries in TypeScript projects
Explores advanced features such as generics, which allows learners to write reusable code that works with different types
Requires familiarity with React, so learners without prior experience may need to acquire those skills beforehand
Uses Shadcn/ui and React Router, so learners should be prepared to incorporate these specific tools into their projects

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Reviews summary

Practical typescript: foundation to react integration

According to learners, this course offers a solid foundation in TypeScript, covering topics from basic types to advanced concepts like generics and declaration files. Many highlight the practical examples, hands-on coding, and project building, particularly praising the section on integrating TypeScript with React as highly applicable to real-world development. While the course is seen as generally comprehensive, some students felt the pace was uneven, with certain advanced topics covered too quickly or lacking sufficient depth, sometimes requiring supplemental resources. A few also noted that the course might assume some prior knowledge of JavaScript or React, which could be a potential hurdle for complete beginners. Overall, it is considered a valuable resource, especially for developers looking to implement TypeScript practically.
Instructor is generally clear and easy to follow.
"The instructor is clear and easy to follow."
"The explanations were clear and the code examples were easy to follow."
From basic types to advanced concepts and integration.
"It provides a really solid foundation in TypeScript, covering everything from the basics like type annotations and unions to more complex topics like generics and declaration files."
"Covers a broad range of topics, from beginner types to generics and classes."
"It's a decent overview..."
Excellent section on using TypeScript with React.
"The integration with React was especially useful for my work."
"I particularly enjoyed the sections on integrating TS with React and building the final store application."
"The React integration section was top-notch and immediately applicable to my job."
Hands-on labs and projects reinforce learning.
"The practical examples and the final project helped solidify everything."
"It felt like the instructor really focused on how to use TS effectively in real-world projects."
"The hands-on coding and projects are the strongest part of the course for me."
"Absolutely loved this course! It delivered exactly what it promised - a practical approach to learning TypeScript."
May assume prior JS/React knowledge; supplementary material needed.
"...it feels like it assumes a bit too much prior JavaScript knowledge, particularly with React."
"...be prepared to [use] supplementary material if you want to deep dive..."
"Needed a lot of outside help and tutorials."
Some sections feel rushed, others lack necessary detail.
"...perhaps too much [ground] at times, which makes some sections feel a bit rushed."
"The pace was uneven, sometimes too slow, sometimes too fast."
"I felt some explanations lacked the necessary depth for true understanding..."
"While it promises 'Practical' TypeScript, I felt some explanations lacked the necessary depth..."

Activities

Be better prepared before your course. Deepen your understanding during and after it. Supplement your coursework and achieve mastery of the topics covered in Practical Typescript with these activities:
Review JavaScript Fundamentals
Solidify your understanding of JavaScript fundamentals, as TypeScript builds upon these concepts. Refreshing your knowledge will make learning TypeScript easier.
Browse courses on JavaScript Fundamentals
Show steps
  • Review data types, variables, and operators in JavaScript.
  • Practice writing basic JavaScript functions and control flow statements.
  • Familiarize yourself with DOM manipulation and event handling.
Read 'Effective TypeScript'
Gain a deeper understanding of TypeScript best practices and advanced features. Reading this book will enhance your ability to write maintainable and scalable TypeScript code.
View Effective Typescript on Amazon
Show steps
  • Read the book cover to cover, taking notes on key concepts.
  • Try out the examples in the book and experiment with different approaches.
  • Reflect on how the advice in the book applies to your own projects.
TypeScript Type Challenges
Sharpen your TypeScript skills by solving type-related challenges. This will help you internalize the concepts and become more proficient in writing type-safe code.
Show steps
  • Find a collection of TypeScript type challenges online.
  • Attempt to solve each challenge, focusing on understanding the underlying type system concepts.
  • Review the solutions and learn from your mistakes.
Four other activities
Expand to see all activities and additional details
Show all seven activities
Read 'Programming TypeScript'
Deepen your understanding of TypeScript with a comprehensive guide. This book will provide a solid foundation for building scalable and maintainable applications.
View Putting Knowledge to Work on Amazon
Show steps
  • Read the book systematically, working through the examples.
  • Experiment with the concepts in your own projects.
  • Use the book as a reference when you encounter challenges.
Write a TypeScript Blog Post
Solidify your understanding of a specific TypeScript topic by writing a blog post about it. Explaining concepts to others is a great way to reinforce your own learning.
Show steps
  • Choose a TypeScript topic that you want to learn more about.
  • Research the topic and gather information from various sources.
  • Write a clear and concise blog post explaining the topic.
  • Include code examples and diagrams to illustrate your points.
  • Publish your blog post online and share it with others.
Build a Simple React App with TypeScript
Apply your TypeScript knowledge in a practical setting by building a React application. This will give you hands-on experience with integrating TypeScript into a real-world project.
Show steps
  • Set up a new React project with TypeScript.
  • Design the user interface and define the data structures.
  • Implement the components using TypeScript, paying attention to type safety.
  • Test the application thoroughly and fix any bugs.
  • Deploy the application to a hosting platform.
Contribute to a TypeScript Open Source Project
Gain practical experience and contribute to the TypeScript community by contributing to an open-source project. This will expose you to real-world challenges and best practices.
Show steps
  • Find a TypeScript open-source project that interests you.
  • Read the project's documentation and understand its codebase.
  • Identify a bug or feature that you can contribute to.
  • Submit a pull request with your changes.
  • Respond to feedback and iterate on your changes.

Career center

Learners who complete Practical Typescript will develop knowledge and skills that may be useful to these careers:
Frontend Developer
A Frontend Developer creates user interfaces for websites and applications, and the "Practical TypeScript" course helps build a foundation in the technologies used in modern development. This course covers how to integrate TypeScript with React, including components, props, state management, and event handling. The course goes beyond basic JavaScript by teaching type annotations, type inference, and advanced TypeScript features such as generics and data validation. This course is particularly valuable because it also teaches how to build applications with React Router, authentication, and pagination.
See salaries and explore the career path for Frontend Developer
Full-Stack Developer
A Full Stack Developer handles both frontend and backend development, and a strong understanding of TypeScript is invaluable for building robust applications. The "Practical TypeScript" course provides skills in type annotations, type inference, and advanced TypeScript concepts, as well as practical application using React. This course covers data fetching, validation using the Zod library, and how to build a full application. Furthermore, knowledge of building components, handling props, and state management in React is beneficial for any full stack developer, making this course a highly relevant choice.
See salaries and explore the career path for Full-Stack Developer
Software Engineer
A Software Engineer writes, tests, and maintains software, and this course helps build a strong foundation in TypeScript. The "Practical TypeScript" course covers essential TypeScript features, type annotations, type inference, and best practices, while also delving into more complex concepts like generics, data validation with Zod, and class-based programming with TypeScript. The course also teaches how to integrate TypeScript with React, covering component structure and state management. The course's practical approach to project building is especially relevant to a software engineer seeking to be competitive.
See salaries and explore the career path for Software Engineer
Web Application Developer
A Web Application Developer builds and maintains web applications; the "Practical TypeScript" course provides essential skills for this role. This course covers the fundamentals of TypeScript, including type annotations, type inference, and union types, in addition to advanced topics like generics and data fetching. The course also includes the practical application of TypeScript with React, including component structure, prop handling, and state management. A Web Application Developer would find this course useful because it guides you through building a complete store application with TypeScript, Shadcn/ui, and React Router.
See salaries and explore the career path for Web Application Developer
UI Developer
A UI Developer focuses on creating user interfaces, and the "Practical TypeScript" course teaches skills especially applicable to this role. This course covers the integration of TypeScript with React, including component structure, prop handling, state management, and event handling. UI Developers are expected to understand how to build complex components and handle state efficiently. The course covers these topics and also teaches how to build an application with React Router, authentication, and pagination, which are crucial aspects of modern user interfaces.
See salaries and explore the career path for UI Developer
Application Developer
An Application Developer builds software applications for various platforms, and the "Practical TypeScript" course teaches skills that are highly relevant to this role. The course introduces TypeScript, covering type annotations, inference, and other essential features. Furthermore, the course goes in depth on how to build modern applications with TypeScript, including integrating React for component structure, prop handling, state management, and event handling. This course also helps build a foundation in topics such as data fetching, validation, authentication, and pagination which are essential skills for an Application Developer.
See salaries and explore the career path for Application Developer
Software Developer
Both a Software Developer and a Software Engineer participate in the creation, testing, and maintenance of software, and the "Practical TypeScript" course can be very useful. The course starts with the fundamentals of TypeScript such as type annotations, type inference, and union types. It goes on to describe more advanced topics such as generics, data validation, and class based programming. It also teaches front end topics by covering React, including component structure, data fetching, and state management, which allows for developers to be well rounded.
See salaries and explore the career path for Software Developer
JavaScript Developer
A Javascript Developer builds interactive elements for websites and applications, and the "Practical TypeScript" course may be useful for understanding how to use TypeScript in web development. The course covers type annotations, type inference, union types, and more advanced topics such as generics, data validation, and class-based programing. This course is quite relevant because it teaches the integration of TypeScript with React, including component structure, state management and event handling which all add capabilities to a JavaScript developer.
See salaries and explore the career path for JavaScript Developer
Web Developer
A Web Developer builds and maintains websites, and the "Practical TypeScript" course may help enhance their technical skill set. The course introduces TypeScript, covering type annotations, type inference, and union types. In addition, the course covers integration with React, including components and state management. The course's use of React, Shadcn/ui and React Router also gives web developers additional skills that are often used in modern websites.
See salaries and explore the career path for Web Developer
Mobile Application Developer
A Mobile Application Developer builds applications for mobile devices, and the "Practical TypeScript" course can be useful in this field. Although the course focuses on web application development with React, the foundational knowledge of TypeScript gained through this course, including type annotations, type inference, and advanced features like generics, may also be useful for mobile development. This course may also be useful because it teaches the basics of building an application from beginning to end, which could be beneficial for mobile development, even if a different framework is used.
See salaries and explore the career path for Mobile Application Developer
Quality Assurance Engineer
A Quality Assurance Engineer tests software to identify bugs. The "Practical TypeScript" course may be useful by helping a Quality Assurance Engineer better understand the code they are testing. The course introduces TypeScript, covering type annotations, type inference, and more. Additionally, the course covers integration with React, which may be useful in understanding the structure of the project. This course may also help the engineering team as a whole by preventing common errors by using TypeScript types.
See salaries and explore the career path for Quality Assurance Engineer
Technical Writer
A Technical Writer creates documentation for software and hardware, and the "Practical TypeScript" course may be useful in understanding technologies. The course covers the fundamentals of TypeScript, including type annotations, type inference, and union types. In addition, the course covers how to integrate TypeScript with React, including component structure and state management. This course's exploration of TypeScript and React may be useful in generating accurate documentation of development projects.
See salaries and explore the career path for Technical Writer
Database Administrator
A Database Administrator manages and maintains databases, and the "Practical TypeScript" course may be useful in understanding the context in which databases are used. The course teaches TypeScript, covering type annotations, type inference, and union types. In addition, it covers data fetching and validation. This course's focus on working with data may be useful in designing and maintaining databases.
See salaries and explore the career path for Database Administrator
IT Support Specialist
An IT Support Specialist provides technical support to users, and the "Practical TypeScript" course may be helpful in understanding the modern technologies that a user may have issues with. This course covers TypeScript, including type annotations and type inference, as well as integration with React. Although an IT support specialist may not directly use this technology, understanding underlying technologies may be beneficial in handling technical issues.
See salaries and explore the career path for IT Support Specialist
Project Manager
A Project Manager plans and oversees projects, and the "Practical TypeScript" course provides a technical foundation that may be useful in managing projects. The course introduces TypeScript, covering type annotations and type inference, and also covers integration with React. While a project manager may not directly use these skills, understanding these technologies can provide context for managing software development projects.
See salaries and explore the career path for Project Manager

Reading list

We've selected two books that we think will supplement your learning. Use these to develop background knowledge, enrich your coursework, and gain a deeper understanding of the topics covered in Practical Typescript.
Cover image
Effective Typescript
Save
Provides practical advice on writing better TypeScript code. It covers a wide range of topics, from basic type annotations to advanced generics and declaration files. It's a valuable resource for understanding best practices and avoiding common pitfalls. This book is commonly used by industry professionals.
Effective Typescript
Paperback
Check
Effective Typescript
Kindle Edition
Check
Cover image
Putting Knowledge to Work
Save
Offers a comprehensive guide to TypeScript, covering everything from basic syntax to advanced features like generics and decorators. It's a great resource for developers who want to learn TypeScript in depth. This book is valuable as additional reading to provide more depth to the existing course.
Putting Knowledge to Work
Paperback
Check
Putting Knowledge to Work
Kindle Edition
Check

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Rating
4.8 Filled star Filled star Filled star Filled star Half star
Effort
20 total hours
Via
Udemy
Instructor
John Smilga
Language
English
Traffic lights
Read about what's good
what should give you pause
and possible dealbreakers
Integrates with React, covering component structure, prop handling, and state management, which are essential for modern web development
Teaches the Zod library for data validation, which is a valuable tool for ensuring data integrity in web applications
Covers TypeScript declaration files, which are essential for working with JavaScript libraries in TypeScript projects
Explores advanced features such as generics, which allows learners to write reusable code that works with different types
Requires familiarity with React, so learners without prior experience may need to acquire those skills beforehand
Uses Shadcn/ui and React Router, so learners should be prepared to incorporate these specific tools into their projects
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