Angular CDK Breakpoint Observer: Monitor Media Queries Programmatically
October 05, 2023When CSS media queries aren't enough, when you need to change component logic, toggle functionality, or conditionally render based on viewport size, the Angular CDK Breakpoint Observer is your solution. This utility lets you monitor media queries programmatically and react to breakpoint changes in your TypeScript code. In this tutorial, you'll learn how to use the Breakpoint Observer to sync JavaScript behavior with CSS breakpoints, share breakpoint values between CSS and TypeScript, and leverage Material Design's predefined breakpoints. All examples work with Angular v19+ and standalone components.