Tag: TS

Throw new Error – ‘new’ expression, whose target lacks a construct signature Published on JS Duck If you have encountered the error message “throw new Error – ‘new’ expression, whose target lacks a construct signature” while using TypeScript, don’t worry, you’re not alone. This error typically occurs when you try to instantiate an object using…

Return value depends on argument typescript When working with TypeScript, you may come across a scenario where the return value of a function depends on the type of argument passed to it. In this blog post, we will explore different solutions to handle this situation. Solution 1: Using function overloading Function overloading allows you to…

NestJS, TypeScript, and TypeORM Error: Error During Migration Run If you’re working with NestJS, TypeScript, and TypeORM, you may encounter an error during migration run that can be frustrating to debug. In this blog post, we’ll explore the possible causes of this error and provide multiple solutions to help you resolve it. Possible Causes There…

Inconsistency in Bitshifting Numbers Across Platforms in TypeScript and Rust Bitshifting is a common operation in programming languages that allows you to manipulate binary data at the bit level. However, when working with TypeScript and Rust, you may encounter inconsistencies in the behavior of bitshifting operations across different platforms. In this article, we will explore…

Prisma include results (select related) compatible with TypeScript? When working with Prisma and TypeScript, you might come across a situation where you need to include related results using the include method. In this blog post, we will discuss how to use the include method in Prisma to fetch related data and ensure compatibility with TypeScript.…

Octokit issue in React environment with TypeScript When working with React and TypeScript, you may encounter issues when using Octokit, a popular GitHub API client library. This blog post will explore the common problems faced and provide solutions to overcome them. Problem: Type errors when using Octokit in a React component One common issue is…

TypeScript errors using Multer in Express app If you are working with TypeScript and trying to use Multer in your Express app, you may encounter some TypeScript errors. Multer is a middleware that allows you to handle multipart/form-data, which is commonly used for file uploads. In this blog post, we will explore the common TypeScript…

Fail to connect database to Typescript ES module When working with TypeScript ES modules, you may encounter issues when trying to connect to a database. This can be frustrating, but fear not! There are several solutions to this problem that you can try. Solution 1: Using a Database ORM One way to connect your database…

Running TypeScript Workspaces with Transpiled Internal Packages When working on large TypeScript projects, it is common to organize the codebase into multiple packages or modules. This helps in maintaining a clean and modular code structure. However, when it comes to running TypeScript workspaces with transpiled internal packages, it can be a bit challenging. In this…

Typescript Mapped Type with Filtered Keys When working with TypeScript, you may come across a situation where you need to create a mapped type that includes only certain keys from an existing type. This can be achieved by using a combination of mapped types and conditional types in TypeScript. Let’s say you have an existing…