The dictionary, also called map or associative array, is one of the fundamental data structures in computer science. But what is it, and how to build one in TypeScript?
In TypeScript, you can build a dictionary using:
An indexed [...]
Sometimes, a TypeScript developer may want to add a global variable to the code base. Luckily, this is easy to do.
To add a new global variable to TypeScript, you can:
Augment the global object (when running in a [...]
When preparing for a coding interview, you may have encountered the queue data structure and wanted to implement it in a TypeScript project. Luckily, this is easy to do.
The queue data structure is a list of elements that [...]
Enums are useful when you have a fixed set of constants. Sometimes, a developer needs to transform a TypeScript enum into an array. Luckily, this is easy to do.
To transform an enum into an array in TypeScript, you [...]
When developing a web application or TypeScript library, a developer may need to initialize an empty typed object. Luckily, it is easy to achieve.
To initialize an empty typed object in TypeScript, you can:
Use type assertion
Create a [...]
When creating a React web application or library, often a developer needs to import JSON data. A typical example is having a JSON file with country names used by the React web application. Luckily, it is easy to achieve [...]
The react-router package is a fantastic library that enables React applications to have different routes that users can view. It has various features; however, one of its most significant ones is its ability to manipulate the browser history inside [...]
Images are often the most significant elements (size-wise) to load on a website. That's why it is best only to load the images that the user sees, and when the user scrolls, progressively load the others. This brings the [...]
Whether you are creating a single-page application or an e-commerce store, there is often a situation when you need to get the URL of the current page. Luckily, this is easy to accomplish in React.
To get the current [...]
When working on a React web application, buttons are one of the most common elements a developer will use. Sometimes, a developer may want to enable a button conditionally. This situation brings the question of how to disable a [...]