Category: TypeScript

TypeScript error: Property ‘X’ does not exist on type ‘Window’ If you are a JavaScript developer who has recently started using TypeScript, you might have encountered the following error message: Property ‘X’ does not exist on type ‘Window’ This error occurs when you are trying to access a property on the global window object that…

How to Fix the Error: ‘string’ can’t be used to index type ‘{}’ If you are a JavaScript developer, you may have encountered the error message “‘string’ can’t be used to index type ‘{}’” while working with TypeScript. This error occurs when you try to access a property of an object using a string index,…

PropTypes in a TypeScript React Application When working with React applications written in TypeScript, you may come across a situation where you need to define the types of the props being passed to your components. In JavaScript, we have PropTypes to validate the props, but how can we achieve the same in a TypeScript React…

Specifying onClick event type with Typescript and React.Konva When working with Typescript and React.Konva, you may encounter the need to specify the event type for the onClick event. By default, React.Konva does not provide a built-in way to specify the event type, but there are a few solutions you can use to overcome this limitation.…

ReactJS and Typescript: Refers to a value, but is being used as a type here (TS2749) ReactJS and Typescript are two popular technologies used in web development. ReactJS is a JavaScript library for building user interfaces, while Typescript is a typed superset of JavaScript that adds static typing to the language. When using ReactJS with…

How to Solve “JSX element implicitly has type ‘any’” Error? If you are a JavaScript developer working with JSX, you may have encountered the error message “JSX element implicitly has type ‘any’”. This error occurs when TypeScript is unable to infer the type of a JSX element, leading to potential issues in your code. In…

Is there any downside to using .tsx instead of .ts all the times in TypeScript? When working with TypeScript, you might have come across files with the .tsx extension. These files are used for writing TypeScript code that includes JSX syntax, which allows you to write HTML-like code within your JavaScript code. While .tsx files…

When working with JavaScript, it is common to use console.log() for debugging and logging purposes. However, if you are using TSLint, you might have encountered an error stating that calls to console.log are not allowed. This can be frustrating, especially when you rely on console.log to track the flow of your code and identify any…

When working with React components in TypeScript, you may often find yourself needing to set default values for certain properties. In this blog post, we will explore different ways to set default property values in React components using TypeScript. 1. Using defaultProps The easiest way to set default property values in React components is by…

When working with React components, it is common to have stateless, functional components that do not have their own state. These components receive props from their parent components and render based on those props. In TypeScript, we can specify default props for these stateless components using a combination of defaultProps and the Partial utility type.…