Creating a Type Declaration File in TypeScript from Pluralsight

This course will teach you how to create TypeScript declaration files to provide type information for the most common types of JavaScript library – those based on globals, or modern modular ones that use ES Modules, CommonJS, AMD, or UMD modules.

In this course, Creating a Type Declaration File in TypeScript, you'll learn how to create declaration files which provide type information when using JavaScript libraries.

First, you'll learn exactly what declaration files are for and see how they can be generated automatically by the compiler, as well as how they can be enhanced with JSDoc. Next, you'll discover how to create declaration files manually for all of the most common kinds of libraries like those based on browser globals, or those based on modules. Finally, you'll see how you can publish declaration files to the public DefinitelyTyped repository to share your declaration files with the world.

When you're finished with this course, you'll have the skills and knowledge to use create declaration files for any kind of library that you might want to use in your next project.

What's inside

Syllabus

Course Overview

Declaration File Basics

Creating Declaration Files Manually

Publishing Declaration Files

Course Summary

Good to know

Know what's good

, what to watch for

, and possible dealbreakers

Teaches how to work with Typescript, which is a core language for hyper-scale businesses, such as Microsoft, Google, and Airbnb

Taught by highly recognized instructor Dan Wellman, who has extensive experience working with TypeScript and JavaScript

Guides the creation of declaration files in JavaScript and TypeScript, which helps learners build a foundation for advanced software development

Offers hands-on labs and interactive materials to enable practical application of the concepts taught

Requires learners to have some experience with JavaScript and TypeScript before taking the course

Teaches manual creation of declaration files, which may not be as efficient as using automated tools in all cases

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 Type Declaration File in TypeScript with these activities:

TypeScript Syntax Refresher

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Ensure a strong foundation by reviewing TypeScript syntax and essential concepts.

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Go through online tutorials or documentation to recap fundamental TypeScript syntax.
Practice writing simple TypeScript code snippets to refresh your memory.

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Career center

Learners who complete Creating a Type Declaration File in TypeScript will develop knowledge and skills that may be useful to these careers:

JavaScript Developer

As a JavaScript Developer, you will be responsible for writing, testing, and maintaining JavaScript code. You will need to have a strong understanding of JavaScript syntax and semantics, as well as experience with JavaScript frameworks and libraries. This course will teach you how to create TypeScript declaration files, which can be used to provide type information for JavaScript libraries. This can be helpful for ensuring that your JavaScript code is type-safe and well-documented.

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Web Developer

Web Developers are responsible for designing, developing, and maintaining websites and web applications. You will need to have a strong understanding of HTML, CSS, and JavaScript, as well as experience with web development frameworks and tools. This course will teach you how to create TypeScript declaration files, which can be used to provide type information for JavaScript libraries. This can be helpful for ensuring that your JavaScript code is type-safe and well-documented.

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Software Engineer

Software Engineers are responsible for designing, developing, and maintaining software applications. You will need to have a strong understanding of computer science fundamentals, as well as experience with programming languages and software development tools. This course will teach you how to create TypeScript declaration files, which can be used to provide type information for JavaScript libraries. This can be helpful for ensuring that your JavaScript code is type-safe and well-documented.

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Data Engineer

Data Engineers are responsible for designing, developing, and maintaining data pipelines and data processing systems. You will need to have a strong understanding of data structures and algorithms, as well as experience with big data technologies and tools. This course will teach you how to create TypeScript declaration files, which can be used to provide type information for JavaScript libraries. This can be helpful for ensuring that your JavaScript code is type-safe and well-documented.

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Data Scientist

Data Scientists are responsible for collecting, analyzing, and interpreting data to extract insights and make predictions. You will need to have a strong understanding of statistics and machine learning, as well as experience with data analysis tools and techniques. This course will teach you how to create TypeScript declaration files, which can be used to provide type information for JavaScript libraries. This can be helpful for ensuring that your JavaScript code is type-safe and well-documented.

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Machine Learning Engineer

Machine Learning Engineers are responsible for designing, developing, and deploying machine learning models. You will need to have a strong understanding of machine learning algorithms and techniques, as well as experience with machine learning frameworks and tools. This course will teach you how to create TypeScript declaration files, which can be used to provide type information for JavaScript libraries. This can be helpful for ensuring that your JavaScript code is type-safe and well-documented.

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Cloud Engineer

Cloud Engineers are responsible for designing, developing, and maintaining cloud computing systems. You will need to have a strong understanding of cloud computing concepts and technologies, as well as experience with cloud computing platforms and tools. This course will teach you how to create TypeScript declaration files, which can be used to provide type information for JavaScript libraries. This can be helpful for ensuring that your JavaScript code is type-safe and well-documented.

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DevOps Engineer

DevOps Engineers are responsible for bridging the gap between development and operations teams. You will need to have a strong understanding of both software development and operations, as well as experience with DevOps tools and techniques. This course will teach you how to create TypeScript declaration files, which can be used to provide type information for JavaScript libraries. This can be helpful for ensuring that your JavaScript code is type-safe and well-documented.

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Information Security Analyst

Information Security Analysts are responsible for protecting an organization's information systems from threats and vulnerabilities. You will need to have a strong understanding of information security concepts and technologies, as well as experience with information security tools and techniques. This course will teach you how to create TypeScript declaration files, which can be used to provide type information for JavaScript libraries. This can be helpful for ensuring that your JavaScript code is type-safe and well-documented.

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Quality Assurance Engineer

Quality Assurance Engineers are responsible for testing and ensuring the quality of software applications. You will need to have a strong understanding of software testing principles and techniques, as well as experience with testing tools and techniques. This course will teach you how to create TypeScript declaration files, which can be used to provide type information for JavaScript libraries. This can be helpful for ensuring that your JavaScript code is type-safe and well-documented.

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Technical Writer

Technical Writers are responsible for writing and editing technical documentation. You will need to have a strong understanding of technical writing principles and practices, as well as experience with technical writing tools and techniques. This course may be helpful for Technical Writers who are interested in learning how to create TypeScript declaration files, which can be used to provide type information for JavaScript libraries.

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User Experience Designer

User Experience Designers are responsible for designing and developing the user interface of software applications. You will need to have a strong understanding of user experience design principles and practices, as well as experience with user experience design tools and techniques. This course may be helpful for User Experience Designers who are interested in learning how to create TypeScript declaration files, which can be used to provide type information for JavaScript libraries.

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Technical Support Engineer

Technical Support Engineers are responsible for providing technical support to customers. You will need to have a strong understanding of technical support principles and practices, as well as experience with technical support tools and techniques. This course may be helpful for Technical Support Engineers who are interested in learning how to create TypeScript declaration files, which can be used to provide type information for JavaScript libraries.

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Sales Engineer

Sales Engineers are responsible for selling technical products and services. You will need to have a strong understanding of sales principles and practices, as well as experience with sales tools and techniques. This course may be helpful for Sales Engineers who are interested in learning how to create TypeScript declaration files, which can be used to provide type information for JavaScript libraries.

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Product Manager

Product Managers are responsible for defining and managing the product vision and roadmap. You will need to have a strong understanding of product management principles and practices, as well as experience with product management tools and techniques. This course may be helpful for Product Managers who are interested in learning how to create TypeScript declaration files, which can be used to provide type information for JavaScript libraries.

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Creating a Type Declaration File in TypeScript

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