What is Glimmer

What is Glimmer in React.Js and React Native?

Glimmer is a lightweight, high-performance rendering engine that powers the user interface of React.Js and React Native applications. It is designed to efficiently update the DOM in response to changes in the application state, providing a smooth and responsive user experience.

Glimmer uses a virtual DOM to represent the current state of the application’s UI. When changes occur, Glimmer compares the virtual DOM with the actual DOM and only updates the parts that have changed, minimizing the amount of work required to keep the UI in sync with the application state.

One of the key features of Glimmer is its use of a reactive programming model. This allows developers to define relationships between different parts of the application state, so that changes in one part automatically trigger updates in other parts. This makes it easier to build complex UIs that respond dynamically to user input.

Glimmer also includes a powerful templating system that allows developers to define the structure of their UI using simple, declarative syntax. This makes it easy to create reusable components and compose them together to build sophisticated user interfaces.

In addition to its performance and flexibility, Glimmer is also highly extensible. Developers can easily extend the core functionality of Glimmer by writing custom plugins and extensions, allowing them to tailor the rendering engine to their specific needs.

Overall, Glimmer is a powerful and efficient rendering engine that plays a crucial role in the development of React.Js and React Native applications. Its lightweight nature, reactive programming model, and extensibility make it a valuable tool for building modern, responsive user interfaces.