TypeScript in React - COMPLETE Tutorial (Crash Course)

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From 0:00 the tutorial explains how to convert JSX to TSX and introduces basic typing of variables. By 0:28 you learn how to type function parameters and return values. At 1:28, the focus shifts to typing React components, covering React.FC, props, default prop values, and extracting type aliases. The video then delves into optional typing, the benefits of avoiding the `any` type, and union and record types until approximately 8:35. Around 9:14 it discusses the return value of a component and typing arrays and tuples by 10:45. The section on CSS properties starts at 12:21, followed by type alias versus interface at 21:35, and ComponentPropsWithoutRef at 24:00. Around 26:52 the lesson covers rest/spread syntax, intersection types, and interface extension until 29:34. From 31:13 the tutorial explains event handlers, the useState and useRef hooks, and explores generics, type assertions, and utility types such as `as const`, Omit, and unknown until about 38:31. Finally, the video concludes with advanced topics like generics in React, third‑party types, `tsconfig.json`, and `next-env.d.ts` from 42:00 onwards.