Creating a TypeScript 3 Declaration File from Pluralsight

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.

What's inside

Syllabus

Course Overview

Declaration File Fundamentals

Building a Declaration File

Creating Your Own Library

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

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

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Get familiar with TypeScript before jumping into TypeScript Declaration Files.

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Review variables, types, and functions.
Write a few simple TypeScript programs.

Follow an Introduction to TypeScript Declaration Files Tutorial

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Watch a video or read an article that covers the basics of TypeScript Declaration Files.

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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

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Engage with other students to exchange ideas and knowledge about TypeScript Declaration Files.

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Find a study group or online forum.
Participate in discussions.
Ask questions and share your own knowledge.

Five other activities

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Create a Simple TypeScript Declaration File

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Create a TypeScript Declaration File for a simple function.

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Create a new TypeScript file.
Write a simple function.
Create a TypeScript Declaration File for the function.

Take a TypeScript Declaration Files Quiz

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Test your understanding of TypeScript Declaration Files.

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Find a TypeScript Declaration Files quiz online.
Take the quiz.
Review your results.

Create a TypeScript Library

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Build a TypeScript library using TypeScript Declaration Files.

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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

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Share your knowledge of TypeScript Declaration Files with the community.

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Choose a topic.
Research the topic.
Write the blog post.
Publish the blog post.

Contribute to an Open Source Project Using TypeScript Declaration Files

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Make a practical contribution to the open source community.

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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.

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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.

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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.

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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.

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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.

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Web Developer

Web Developers design, build, and maintain websites. They use a variety of programming languages and tools to create interactive and engaging websites.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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