Pure-ts - Jessica Diamond - Making Her Porno De... Apr 2026

"Entertainment apps crash when types lie. A video player has states: loading , playing , paused , buffering , error . If you mistype a state transition, users see a black screen. We’re going to model the entire player state as a discriminated union."

I replaced any with a union type for clip properties: type Clip = VideoClip | AudioClip | ImageClip Pure-TS - Jessica Diamond - Making Her Porno De...

Result: If an audio clip tried to call .duration as a video, TS yelled at compile time. No more "Cannot read property of undefined" in prod. "Entertainment apps crash when types lie

type FFResult<T> = success: true; data: T | success: false; error: string async function trimVideo(file: File, start: number, end: number): FFResult<Blob> Now, no more silent failures. If end < start , the type won't prevent it, but the result type forces you to handle the error. We’re going to model the entire player state

Name: Jessica "Jett" Diamond Tagline: "Pure TS. No runtime drama." Niche: Building entertainment apps (video players, streaming backends, interactive games, audio tools) using strictly TypeScript—no vanilla JS, no any type. Platforms: YouTube, Twitch (coding live streams), GitHub, Dev.to Visual Style: Dark mode editor, neon pink/purple syntax highlighting, diamond emoji (💎) as a watermark.

She toggles states quickly. Error handling shown – a malformed URL triggers the error state, and the UI shows a beautiful message. No console red herrings.

Screen: Code snippet.