Tag: TS

TypeScript: Unexpected Assignment of Computed Property with Union Type in Object Literal When working with TypeScript, you might come across a situation where you need to assign a computed property with a union type in an object literal. However, this can sometimes lead to unexpected errors or behavior. In this blog post, we will explore…

Plotly does not know ‘bar’ type in React.js with TypeScript If you are using React.js with TypeScript and trying to create a bar chart using Plotly, you may encounter an issue where Plotly does not recognize the ‘bar’ type. This can be frustrating, but don’t worry, there are a few solutions to this problem. Solution…

How to Filter Only JavaScript Files (.js) with fs.readdirSync After TypeScript Build? If you are working with TypeScript and need to filter only JavaScript files (.js) after the TypeScript build process, you may encounter some challenges. The fs.readdirSync method in Node.js returns an array of all files in a directory, but it doesn’t provide a…

How to Properly Type Supabase Responses When Using JOIN Operations in TypeScript? Supabase is a powerful open-source alternative to Firebase that provides a real-time database and authentication system. When working with Supabase and TypeScript, you may come across a situation where you need to perform JOIN operations on your database tables. In this blog post,…

How to do an API Response using Elasticsearch 8.9 in TypeScript/Node? When working with TypeScript and Node.js, you may come across the need to interact with Elasticsearch to perform API responses. Elasticsearch is a powerful search and analytics engine that can be integrated into your TypeScript/Node.js projects. In this blog post, we will explore how…

Mapping data from JSON to Array in TypeScript When working with TypeScript, you may often come across the need to map data from a JSON object to an array. This can be useful in scenarios where you want to manipulate or display the data in a different format. In this blog post, we will explore…

Convert Javascript codes/file to Typescript codes/file As a tech professional working with JavaScript, you may have encountered situations where you need to convert your JavaScript code or file to TypeScript. TypeScript is a superset of JavaScript that adds static typing and other features to enhance the development experience. In this blog post, we will explore…

Why does TypeScript type conditional affect result of its branch? When working with TypeScript, you may come across situations where the type conditional affects the result of its branch. This behavior can sometimes be unexpected and confusing, but it has its reasons. In this blog post, we will explore why this happens and discuss possible…

How to fix “TypeError: Right-hand side of ‘instanceof’ is not callable” in Vue 3 + Typescript If you are working with Vue 3 and Typescript, you might encounter the following error message: “TypeError: Right-hand side of ‘instanceof’ is not callable”. This error occurs when you try to use the “instanceof” operator on a type that…

Adding an Object to an Array in TypeScript using push() When working with TypeScript, you may often come across the need to add objects to an array. One of the simplest and most commonly used methods to achieve this is by using the push() method. In this article, we will explore how to add an…