An understanding of ESLint and a working configuration (see "How to use ESLint with TypeScript" for an example) Installing Prettier First thing's first, we'll install Prettier as a dev dependency. npm install --save-dev prettier Configuring Prettier As per the docs, we can expose a JSON...
We think TypeScript is great, and we think many of our Ionic Angular developers would agree. We have also found TypeScript to be beneficial outside of Angular as well. In fact, we use it in our ownAppFlowdashboard, which is a large React app. Over the past couple of years, TypeScri...
This tutorial will reference aspects of text editors that support TypeScript and show in-line errors. This is not necessary to use TypeScript but does take more advantage of TypeScript features. To gain the benefit of these, you can use a text editor likeVisual Studio Code, which has full ...
TypeScript allows you to define complex type definitions in the form of interfaces. This is helpful when you have a complex type that you want to use in your application, such as an object that contains other properties. Statically typing interfaces results in strict checks, which reduce the ...
# typescriptimport*as _ from`lodash`; Now, we will go through some basic functions that Lodash provides us for our common programming tasks one by one. Lodash deals a lot in array manipulation and some most commonly used scenarios. We can use the_.firstand_.lastfunctions to get the array...
To check if a string contains a substring in TypeScript, use the includes() method: const text = "TypeScript is awesome"; console.log(text.includes("awesome")); // true console.log(text.includes("Java")); // false This method is case-sensitive. For case-insensitive checks: ...
Type expansion of non-ts/js file modules ts only supports the import and export of modules, but sometimes you may need to import css/html and other files. At this time, you need to use wildcards to make ts treat them as modules. The following is the import support for ".vue" files...
Here is how you can use it. if (activeUser) { console.log(activeUser.name); // Safe } else { console.log("No active user found."); } Check outGet Distinct Values from an Array in TypeScript When to Use Array.find() in TypeScript ...
One of the most important concepts to grasp in TypeScript is the use of the "this" keyword, which is used in object methods. The "this" keyword always points to the object that is calling a particular method.The type of "this" in an expression depends on the location in which the ...
Learn how to use React Router with TypeScript in your React applications, including route definitions, navigation, and props handling.