Type Narrowing in typescript

Video Description

Welcome to a youtube channel dedicated to programming and coding related tutorials. We talk about tech, write code, discuss about cloud and devops. That’s what we do all day, all year. We roll out a lot of series and videos on our channel. All the learning resources such as code files, documentations, articles and community discussions are available on our website: https://chaicode.com/ You can find our discord link, github link etc on the above website. Twitter/X link: https://x.com/hiteshdotcom Discord link: https://hitesh.ai/discord Learn React with 10 projects: https://www.youtube.com/watch?v=eCU7FfMl5WU&list=PLRAV69dS1uWQos1M1xP6LWN6C-lZvpkmq Learn Docker: https://youtu.be/rr9cI4u1_88?si=fSK00PNOt0gqBXp6 Learn Kubernetes: https://www.youtube.com/watch?v=7XDeI5fyj3w How does a browser works: https://youtu.be/5rLFYtXHo9s?si=UW1HrwGUzkk4E7qh How nodejs works: https://youtu.be/ooBxSg1Cl1w?si=Ks6Wih1smJZSDz4V Learn Redux-toolkit: https://www.youtube.com/watch?v=pX0SBJF01EU Learn NextJS: https://www.youtube.com/watch?v=iPGXk-i-VYU&list=PLRAV69dS1uWR7KF-zV6YPYtKYEHENETyE Learn Typescript: https://www.youtube.com/watch?v=j89BvWz8Eag&list=PLRAV69dS1uWRPSfKzwZsIm-Axxq-LxqhW Learn Javascript: https://www.youtube.com/watch?v=2md4HQNRqJA&list=PLRAV69dS1uWSxUIk5o3vQY2-_VKsOpXLD Learn React Native: https://www.youtube.com/watch?v=kGtEax1WQFg&list=PLRAV69dS1uWSjBBJ-egNNOd4mdblt1P4c Learn Zustand: https://www.youtube.com/watch?v=KCr-UNsM3vA&list=PLRAV69dS1uWQMXekDgw7fRAsHmsbKWkwu Learn Golang: https://www.youtube.com/watch?v=X4q1OM0voO0&list=PLRAV69dS1uWSR89FRQGZ6q9BR2b44Tr9N