Typescript Tutorial: From Basics to Advanced Concepts

Last Updated: November 1, 2023

This guide offers a comprehensive walkthrough of Typescript programming. Beginning with foundational concepts, readers will delve into DOM manipulation techniques, explore advanced methods, and understand how Typescript interacts with other programming languages. The guide also covers the integration of third-party libraries and provides valuable insights on troubleshooting Typescript code.

Typescript Tutorial: From Basics to Advanced Concepts

Basics & Concepts

How to Check If a String is in an Enum in TypeScript

A detailed guide on how to check if a string is part of an Enum in TypeScript. This article covers topics such as defining an Enum, checking if a string is in an Enum, co... read more

nverting Enum values to their string representation, validating a string against an Enum, comparing a string with an Enum value, understanding the difference between a String Enum and a Regular Enum, iterating over the values of an Enum, assigning custom string values to an Enum, and external sources for further learning.

Tutorial on TypeScript Dynamic Object Manipulation

Dynamic object manipulation is a powerful feature in TypeScript that allows developers to efficiently work with objects whose structure may change at runtime. This tutori... read more

al provides a step-by-step guide on how to manipulate dynamic objects in TypeScript. It covers topics such as dynamic typing, type inference, defining properties, adding methods, object literals, object destructuring, object spread, object rest, accessing object keys and values, and external sources. By following this tutorial, you will gain a better understanding of how to manipulate dynamic objects in TypeScript and enhance your development skills.

Tutorial: Checking Enum Value Existence in TypeScript

Checking enum value existence in TypeScript is a crucial task for developers. This tutorial provides a step-by-step guide on how to efficiently check if a value exists in... read more

an enum. From creating enum types to using conditional statements and performing lookups, this article covers various techniques for validating enum values. Whether you want to use built-in methods, libraries, or create custom functions, this tutorial has got you covered. Expand your TypeScript skills and ensure accurate enum value checking with this informative guide.

Tutorial on Exact Type in TypeScript

TypeScript is a powerful programming language that introduces static typing to JavaScript. In this tutorial, we will delve into the exact type feature in TypeScript, expl... read more

oring how it enforces static typing and performs type checking. We will also discuss the role of the type system, the advantages of using TypeScript over JavaScript, and how to create type aliases. Whether you're a beginner or an experienced developer, this tutorial will provide a detailed guide on using the exact type feature in TypeScript.

How to Convert Strings to Booleans in TypeScript

A technical guide on converting strings to booleans in TypeScript. Explore various methods, including using the Boolean() function, the === operator, if-else statements, ... read more

regular expressions, ternary operators, and external libraries. Learn best practices, avoid common mistakes, and create custom functions for string to boolean conversion. Plus, discover how to map specific strings to boolean values and check if a string represents a boolean value. Get answers to frequently asked questions in TypeScript string to boolean conversion.

How to Work with Dynamic Objects in TypeScript

Manipulating dynamic objects in TypeScript can be a complex task, but with this step-by-step guide, you'll learn how to work with them efficiently. From creating dynamic ... read more

objects to defining their types, accessing properties, iterating over them, and even dynamically adding or removing properties, you'll gain a comprehensive understanding of how to handle dynamic objects in TypeScript. Discover the advantages of using dynamic objects and learn the difference between dynamic typing and static typing in TypeScript. With this knowledge, you'll be able to leverage the power of dynamic objects in your TypeScript projects.

How to Verify if a Value is in Enum in TypeScript

This article provides a guide on how to check if a specific value exists in an Enum using TypeScript. It covers understanding Enums in TypeScript, validating Enum values,... read more

checking if a value is in an Enum, best practices for Enum value checking, built-in methods for Enum value checking, ways to verify Enum values, conditional statements to check Enum values, ensuring variables hold Enum values, and external sources for further information.

How Static Typing Works in TypeScript

TypeScript is a powerful programming language that offers static typing capabilities for better code quality. In this comprehensive guide, we will explore various aspects... read more

of static typing in TypeScript, including type checking, type inference, type annotations, type compatibility, type assertions, type declaration, type aliasing, and type narrowing. By understanding how static typing works in TypeScript, you can write more robust and error-free code, ensuring a smoother development process.

Tutorial: Converting a String to Boolean in TypeScript

Converting a TypeScript string into a boolean can be a tricky task. This tutorial provides different approaches, code snippets, and best practices for handling this conve... read more

rsion. Learn how to handle edge cases and avoid common mistakes while converting strings to booleans, using methods like the Boolean constructor, JSON.parse(), conditional statements, regular expressions, and custom functions. With this guide, you'll be able to convert strings to booleans in TypeScript effectively.

How to Update Variables & Properties in TypeScript

Updating variables and properties in TypeScript can be a simple and process. This step-by-step tutorial will guide you through the correct usage of the SetValue function ... read more

in TypeScript. From setting values to variables and object properties, to updating values and handling null and undefined, this tutorial covers all the essential steps. With clear explanations and examples, you'll gain a solid understanding of how to update variables and properties in TypeScript. So, whether you're a beginner or an experienced developer, this tutorial will help you master the art of updating variables and properties in TypeScript.

Tutorial on Prisma Enum with TypeScript

Prisma Enum is a powerful feature in TypeScript that allows you to define and use enumerated types in your Prisma models. This tutorial will guide you through the process... read more

of utilizing Prisma Enum in TypeScript, covering topics such as enum types in TypeScript, enum fields in Prisma, type checking, setting default values, and more. By the end of this guide, you will have a comprehensive understanding of how to incorporate Prisma Enum into your TypeScript projects.

Tutorial: Converting String to Bool in TypeScript

TypeScript is a powerful language that allows developers to write type-safe code for JavaScript applications. One common task in TypeScript is converting strings to boole... read more

an values. This tutorial provides a step-by-step guide on how to convert string to boolean in TypeScript. It covers topics such as understanding the boolean data type, common use cases for converting strings to bool, built-in functions for conversion, and various techniques for handling truthy and falsy values. Whether you're a beginner or an experienced TypeScript developer, this tutorial will help you master the art of converting strings to boolean values in TypeScript.

Tutorial: Loading YAML Files in TypeScript

Loading YAML files in TypeScript is an essential skill for developers working with configuration data. This tutorial provides a comprehensive guide on how to load YAML fi... read more

les in TypeScript, covering everything from an overview of YAML files to best practices for handling YAML parsing. With step-by-step instructions and code snippets, you'll learn how to convert YAML to TypeScript objects and explore different YAML loaders in TypeScript. Whether you're a beginner or an experienced TypeScript developer, this tutorial will help you efficiently handle YAML parsing in your projects.

How to Implement and Use Generics in Typescript

Generics in TypeScript provide a powerful way to write reusable and type-safe code. This tutorial will guide you through the syntax, concepts, and practical use cases of ... read more

generics in TypeScript. Learn best practices, error handling, and performance considerations to optimize your code. Explore advanced techniques, code snippets, and real-world examples of generics in action. Discover the limitations and workarounds, and gain tips to measure and optimize performance. Whether you're creating data structures, designing APIs, or working on large-scale applications, this article will help you implement and use generics in TypeScript.

Tutorial: Navigating the TypeScript Exit Process

Navigating the TypeScript exit process can be challenging for software engineers. This tutorial provides a guide on returning a value, defining an exit function, understa... read more

nding exit codes, handling exit events, and more. Learn how to gracefully exit a TypeScript application or script and handle errors and exits.

How to Check if a String is in Enum in TypeScript: A Tutorial

Determining if a string is part of an enum type in TypeScript can be a useful skill for any TypeScript developer. In this tutorial, we will guide you on how to check if a... read more

string is in an enum, providing you with the knowledge to handle enum validation effectively.

Tutorial: Date Comparison in TypeScript

Date comparison is a fundamental task in TypeScript development. This tutorial provides a comprehensive guide on how to compare dates in TypeScript, covering topics such ... read more

as comparing dates with different timezones, ignoring time when comparing dates, and calculating the difference between two dates. Whether you need to check if one date is before or after another, compare a date with today's date, or determine if a date is within a specific range, this tutorial has got you covered.

Tutorial: Readonly vs Const in TypeScript

A detailed comparison of Readonly and Const in TypeScript. This article explores the Readonly and Const keywords in TypeScript, highlighting their differences and when to... read more

use each one. It also examines how the Readonly keyword affects object properties and how the Const keyword affects variable assignment in TypeScript. External sources are provided for further reading.

How to Iterate Through a Dictionary in TypeScript

Iterating through a dictionary in TypeScript can be done in various ways. This article provides a guide on how to iterate over object keys and values, as well as dictiona... read more

ries, using TypeScript. It explores the usage of for...in and for...of loops, as well as the forEach method, to efficiently iterate through objects and dictionaries. Additionally, it delves into the difference between for...in and for...of loops in TypeScript. Whether you are a beginner or an experienced TypeScript developer, this article will help you understand the different methods and choose the most suitable one for your specific needs.

Tutorial: Checking if a Value is in Enum in TypeScript

A step-by-step guide on checking if a value exists in an Enum in TypeScript. Explore different methods, utilities, and code snippets to verify if a value is in an enum.... read more

How to Set Default Values in TypeScript

Setting default values in TypeScript is an important skill for any developer. This tutorial will guide you through the process, covering topics such as default values for... read more

function parameters, default arguments, default initialization, default imports and exports, default modules, default interfaces, default constructors, and handling default values for optional parameters. With these insights, you'll be able to enhance your TypeScript code and streamline your development process.

Tutorial: Date Subtraction in TypeScript

Subtracting dates in TypeScript can be a complex task, but this tutorial will guide you through the process. Learn the syntax, calculate date differences, subtract days, ... read more

and explore useful techniques for manipulating dates. Discover libraries and packages for date arithmetic, perform advanced calculations, and utilize built-in functions and utility helpers. Avoid common pitfalls and explore external sources for additional information. Format dates and add or subtract specific units of time with ease. Master date subtraction in TypeScript with this comprehensive guide.

How to Exclude a Property in TypeScript

Excluding a property in TypeScript can be a useful technique when working with objects, interfaces, types, and classes. In this article, we provide a comprehensive guide ... read more

on how to exclude properties in TypeScript. With step-by-step instructions, you will learn the syntax and methods to omit a property in various scenarios, including removing a specific property from an object, excluding a key from an interface, and excluding a field from a type. Whether you are a beginner or an experienced developer, this article will help you enhance your TypeScript skills and manage properties in your code.

Tutorial: Generating GUID in TypeScript

Generating GUIDs in TypeScript can be a task with the right approach. This article provides a concise guide on different methods to generate GUIDs in TypeScript, explores... read more

existing libraries for this purpose, and offers a step-by-step example to help you get started. You'll also learn about the advantages of using GUIDs, guidelines for working with them, and recommended npm packages for generating GUIDs in TypeScript. Whether you're a beginner or an experienced developer, this tutorial will equip you with the knowledge to efficiently generate GUIDs in your TypeScript applications.

How to Use the Record Type in TypeScript

A basic guide on using the Record type in TypeScript, and its application. Chapters include Basic Usage, Readonly Record, Advanced Usage, and Best Practices.

Tutorial on Typescript ts-ignore

TypeScript ts-ignore is a powerful tool that allows developers to ignore TypeScript errors within a JavaScript environment. This tutorial provides a comprehensive guide o... read more

n how to use ts-ignore, including best practices, performance considerations, and advanced techniques. It also explores real-world examples and provides code snippet ideas for using ts-ignore. Whether you're working with external libraries, legacy code, or migration projects, this tutorial will help you navigate the complexities of error handling and ensure a smooth development process.

DOM Manipulation

Working with HTML Button Elements in TypeScript

This tutorial provides a comprehensive guide on working with HTML button elements in TypeScript. From creating and styling buttons to adding event listeners and manipulat... read more

ing button attributes, this article covers everything you need to know to utilize HTMLButtonElement in TypeScript. Whether you're a beginner or an experienced developer, this tutorial will help you enhance your web development skills and create dynamic and interactive buttons for your projects.

How to Use the MouseEventHandlers in TypeScript

Learn how to work with the MouseEventHandlers in TypeScript in this tutorial. The article covers topics such as event handling, event listeners, and different types of mo... read more

use events. It also provides guidance on how to add event listeners and handle specific mouse events in TypeScript. Whether you're a beginner or an experienced TypeScript developer, this tutorial will help you understand the syntax and best practices for working with MouseEventHandlers.

Tutorial: Extending the Window Object in TypeScript

Extending the window object in TypeScript is a powerful technique that allows you to add custom properties and methods to the global scope of your web applications. This ... read more

tutorial will guide you through the benefits, limitations, and best practices of extending the window object in TypeScript. Learn how to access the window object, add properties and methods, prevent conflicts, and leverage external sources for a seamless development experience. With this detailed guide, you can enhance your TypeScript projects and take full advantage of the window object's capabilities.

Advanced Techniquest

Tutorial on Circuit Breaker Pattern in TypeScript

The circuit breaker pattern is a valuable tool for ensuring fault tolerance in TypeScript applications. This tutorial provides a comprehensive guide on implementing the c... read more

ircuit breaker pattern in TypeScript, covering topics such as error handling, retry mechanisms, fallback mechanisms, and tracking circuit state. By leveraging the circuit breaker pattern, developers can enhance the reliability and resilience of their microservices architecture. Additionally, this tutorial explores popular TypeScript libraries and frameworks for circuit breaker implementation, making it a valuable resource for any TypeScript developer.

How to Get an Object Value by Dynamic Keys in TypeScript

Retrieving object values by dynamic keys in TypeScript is essential for flexible and dynamic programming. This article provides a step-by-step guide on how to access obje... read more

ct properties dynamically, with examples and different approaches. From using bracket and dot notation to object methods and the in operator, learn how to handle dynamic keys efficiently and best practices to follow. Whether you're working with form handling or API responses, understanding how to get object values by dynamic keys will enhance your TypeScript programming skills.

Using ESLint & eslint-config-standard-with-typescript

Learn how to utilize eslint-config-standard with TypeScript in your projects. This article covers what ESLint is, the purpose of eslint-config-standard-with-typescript, i... read more

nstallation and configuration steps, common ESLint rules for TypeScript, the benefits of using eslint-config-standard-with-typescript, and how ESLint improves code quality. Discover how to efficiently use eslint-config-standard-with-typescript in your TypeScript projects.

How to Work with Anonymous Classes in TypeScript

As software development becomes more complex, understanding how to work with anonymous classes in TypeScript is essential for object-oriented programming. This comprehens... read more

ive guide covers the importance of anonymous classes, TypeScript's type annotations, class basics, inheritance, and creating and using anonymous classes. It also explores the benefits, use cases, and advanced techniques of anonymous classes, along with common pitfalls and best practices. With code snippets and real-world examples, this article equips developers with the knowledge to leverage anonymous classes in TypeScript.

Building a Rules Engine with TypeScript

Building a rules engine with TypeScript is a detailed guide that teaches you how to construct a powerful rules engine using TypeScript. The article covers various topics ... read more

such as the basics of rules engines, type checking in TypeScript, conditional types, type inference, type annotations, type guards, type aliases, type narrowing, and the TypeScript type system. It also includes code snippets that demonstrate how to implement these concepts in a rules engine. Whether you are a beginner or an experienced TypeScript developer, this guide will help you enhance your understanding and skills in building rules engines.

How to Implement ETL Processes with TypeScript

This article provides a comprehensive guide on creating ETL processes using TypeScript. It covers the purpose of TypeScript in ETL, the benefits of using TypeScript, and ... read more

examples of basic workflows and pipelines. The article also explores type safety in data extraction, transformation, and loading, highlighting the enhanced code quality, early error detection, and improved collaboration that TypeScript brings to ETL processes. With examples and explanations, this article aims to help developers implement ETL processes efficiently using TypeScript.

TypeScript ETL (Extract, Transform, Load) Tutorial

ETL (Extract, Transform, Load) is an essential process in data integration and analysis. This tutorial will guide you through the process of ETL using TypeScript, coverin... read more

g topics such as data transformation, popular TypeScript ETL tools, handling data extraction, benefits of using TypeScript, best practices for development, optimizing performance, and TypeScript ETL frameworks. With step-by-step instructions and practical examples, you'll learn how to efficiently extract, transform, and load data using TypeScript for your projects.

Typescript & Different Programming Languages

Comparing Go with TypeScript

An objective analysis of Go and TypeScript, their strengths and weaknesses. The article explores topics such as static typing, type safety, type annotations, type inferen... read more

ce, type checking, runtime error handling, development speed, web development, advantages of TypeScript over Go, projects suited for Go, benefits of Go's concurrency model, performance differences, and provides example code for both languages.

How to Work with Anonymous Classes in TypeScript

As software development becomes more complex, understanding how to work with anonymous classes in TypeScript is essential for object-oriented programming. This comprehens... read more

ive guide covers the importance of anonymous classes, TypeScript's type annotations, class basics, inheritance, and creating and using anonymous classes. It also explores the benefits, use cases, and advanced techniques of anonymous classes, along with common pitfalls and best practices. With code snippets and real-world examples, this article equips developers with the knowledge to leverage anonymous classes in TypeScript.

Third-Party Libraries

How to Run Typescript Ts-Node in Databases

Running Typescript Ts-Node in databases can be a powerful tool for handling data in your applications. This tutorial provides a comprehensive guide on how to set up your ... read more

development environment, query and update data, handle errors, and optimize performance using Typescript and Ts-Node. With real-world examples and code snippets, you'll learn how to use Ts-Node for data-intensive tasks, such as data migration and analysis. Whether you're a beginner or an experienced developer, this article will help you harness the full potential of Typescript Ts-Node in your database operations.

Tutorial: Using React-Toastify with TypeScript

This article provides a step-by-step guide on using React-Toastify with TypeScript. From setting up a TypeScript project to customizing toast notifications and handling t... read more

oast actions, software developers will learn how to implement React-Toastify in their projects. With chapters covering various aspects of React-Toastify, including configuration, styling, positioning, and testing, this tutorial offers a comprehensive resource for developers looking to enhance their web applications with toast notifications.

Troubleshooting Typescript Code

Fixing ‘TypeScript Does Not Exist on Type Never’ Errors

TypeScript does not exist on type never errors can be frustrating and confusing when encountered in your codebase. However, with the right knowledge and approach, you can... read more

easily tackle these errors. This article provides step-by-step instructions for analyzing and fixing the 'does not exist on type never' error in TypeScript. It also explores the 'never' type and the 'type' keyword in TypeScript, helping you understand how TypeScript performs type checking and handles compiler errors. Additionally, the article delves into type inference and declaring custom types, equipping you with the necessary tools to overcome these errors effectively.