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Matthew Kruczek

Knowing how to create TypeScript declaration files is an essential skill for any TypeScript developer. This course covers the in’s and out’s of TypeScript declaration files, including what they are, why they are useful, and how to create them.

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Knowing how to create TypeScript declaration files is an essential skill for any TypeScript developer. This course covers the in’s and out’s of TypeScript declaration files, including what they are, why they are useful, and how to create them.

In today's fast paced web environment, it’s impossible to build a modern TypeScript application without the inclusion of declaration files. Declaration files allow us to enhance our classes and functions allowing us to push our code to a more professional and readable level. In this course, Creating a TypeScript 3 Declaration File, you’ll learn all about building and modifying TypeScript Declaration Files. First, you’ll explore the different library patterns contained in definition files. This includes what they are, what they are used for, and how to identify them. Next, you’ll discover how to create your own declaration files and some of the options available to you. Finally, you’ll learn how to publish a newly created declaration file. When you’re finished with this course, you’ll have the skills necessary to allow you to create, update, and maintain your own TypeScript Declaration Files.

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What's inside

Syllabus

Course Overview
Declaration File Fundamentals
Building a Declaration File
Creating Your Own Library
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Good to know

Know what's good
, what to watch for
, and possible dealbreakers
Provides a strong foundational understanding of TypeScript declaration files
Builds a strong foundation for further exploration and development in TypeScript
Geared towards intermediate to advanced TypeScript developers
Focuses on building and modifying TypeScript Declaration Files
Covers library patterns and options for creating declaration files
Taught by Matthew Kruczek, an experienced TypeScript instructor

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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 Creating a TypeScript 3 Declaration File with these activities:
Review General TypeScript Concepts
Get familiar with TypeScript before jumping into TypeScript Declaration Files.
Show steps
  • Review variables, types, and functions.
  • Write a few simple TypeScript programs.
Follow an Introduction to TypeScript Declaration Files Tutorial
Watch a video or read an article that covers the basics of TypeScript Declaration Files.
Show steps
  • Search online for a tutorial on TypeScript Declaration Files.
  • Follow the tutorial.
  • Try out the examples shown in the tutorial.
Discuss TypeScript Declaration Files with Peers
Engage with other students to exchange ideas and knowledge about TypeScript Declaration Files.
Show steps
  • Find a study group or online forum.
  • Participate in discussions.
  • Ask questions and share your own knowledge.
Five other activities
Expand to see all activities and additional details
Show all eight activities
Create a Simple TypeScript Declaration File
Create a TypeScript Declaration File for a simple function.
Show steps
  • Create a new TypeScript file.
  • Write a simple function.
  • Create a TypeScript Declaration File for the function.
Take a TypeScript Declaration Files Quiz
Test your understanding of TypeScript Declaration Files.
Show steps
  • Find a TypeScript Declaration Files quiz online.
  • Take the quiz.
  • Review your results.
Create a TypeScript Library
Build a TypeScript library using TypeScript Declaration Files.
Show steps
  • Design the library.
  • Write the TypeScript code.
  • Create TypeScript Declaration Files for the library.
  • Test the library.
Write a Blog Post about TypeScript Declaration Files
Share your knowledge of TypeScript Declaration Files with the community.
Show steps
  • Choose a topic.
  • Research the topic.
  • Write the blog post.
  • Publish the blog post.
Contribute to an Open Source Project Using TypeScript Declaration Files
Make a practical contribution to the open source community.
Show steps
  • Find an open source project that uses TypeScript Declaration Files.
  • Make a contribution to the project.
  • Create a pull request.

Career center

Learners who complete Creating a TypeScript 3 Declaration File will develop knowledge and skills that may be useful to these careers:
Project Manager
Project Managers are responsible for the planning, execution, and closure of software development projects. They work with stakeholders to define the project's scope and objectives and then lead the team to achieve those goals.
Data Scientist
Data Scientists use data to solve business problems. They collect, analyze, and interpret data to create models and insights that can help businesses make better decisions.
Machine Learning Engineer
Machine Learning Engineers build and maintain machine learning models. They use a variety of techniques to train models to learn from data.
Business Analyst
Business Analysts work with stakeholders to define the requirements of a software system. They analyze the business needs of the organization and then develop a set of requirements that can be used to design and build the system.
Database Administrator
Database Administrators are responsible for the maintenance and security of databases. They work with stakeholders to define the requirements of the database and then design and implement a solution that meets those requirements.
Web Developer
Web Developers design, build, and maintain websites. They use a variety of programming languages and tools to create interactive and engaging websites.
IT Auditor
IT Auditors are responsible for the audit of computer systems and networks. They work with stakeholders to define the audit requirements of the organization and then design and implement an audit plan that meets those requirements.
Network Administrator
Network Administrators are responsible for the maintenance and security of computer networks. They work with stakeholders to define the requirements of the network and then design and implement a solution that meets those requirements.
Full-Stack Developer
Full Stack Developers work on both the front-end and back-end of websites and applications. They're responsible for the design, development, and maintenance of the entire software stack.
Product Manager
Product Managers are responsible for the development and launch of software products. They work with stakeholders to define the product's vision and then lead the team to build and launch the product.
Software Developer
Software Developers write computer code to create and maintain software and applications. They develop the overall architecture and design of the software and then code it. This course may be useful for Software Developers who want to learn more about TypeScript declaration files, which can help them create more robust and maintainable code.
Systems Analyst
Systems Analysts design and develop computer systems. They work with stakeholders to define the requirements of the system and then design a solution that meets those requirements.
Security Analyst
Security Analysts are responsible for the security of computer systems and networks. They work with stakeholders to define the security requirements of the organization and then design and implement a solution that meets those requirements.
Software Architect
Software Architects design and develop the overall architecture of software systems. They work with stakeholders to define the requirements of the system and then design a solution that meets those requirements.
Technical Lead
Technical Leads are responsible for the technical direction of a software development project. They work with the team to define the project's goals and objectives and then lead the team to achieve those goals.

Reading list

We've selected seven 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 Creating a TypeScript 3 Declaration File.
This handbook is the official documentation for the TypeScript language. It provides a comprehensive reference for all of the features of the language.
Comprehensive guide to modern TypeScript, covering the latest features and best practices. It covers topics such as TypeScript with Angular, TypeScript with Node.js, and TypeScript with React. It valuable resource for TypeScript developers who want to stay up-to-date with the latest developments in the language.
Serves as a companion for TypeScript users, providing practical techniques, tips, and code samples to enhance their TypeScript skills. It covers advanced topics such as generics, decorators, and TypeScript with React. It is designed for readers with a basic understanding of TypeScript who seek to improve their coding practices.
Provides a thorough overview of the TypeScript 2 language, covering its features and how to apply them in practical scenarios.
Provides a hands-on approach to TypeScript, helping you build real-world applications and gain practical experience.
Offers a concise and accessible introduction to TypeScript, focusing on practical applications and real-world examples.
Provides a gentle introduction to TypeScript. It covers the basics of the language and how to use it to write simple applications.

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