Pretext: TypeScript library for multiline text measurement and layout

Developers are losing their minds over Pretext, a tiny text tool promising smooth pages by measuring multi‑line text without poking the browser’s layout engine. Translation: less stutter, more speed. One fan, rattray, called the launch tweets “a masterclass,” and then dropped the mic with the scary number everyone hates: 30ms+ per frame when old‑school methods measure lots of text. Pretext’s trick? Do the heavy math once, then keep the fast path clean, using the browser’s font smarts as the source of truth. The crowd loves it. The comments? Even juicier. A fight breaks out over search in “infinite lists” (those never‑ending feeds): gastonmorixe says we might need a brand‑new web Search API so Ctrl+F finds stuff that isn’t in the page yet. Skeptics reply with a collective “good luck convincing browsers.” Meanwhile, war stories roll in. dalmo3 tried canvas‑based measuring for a datagrid and calls it “hellish.” rpastuszak swoons over shape‑based reflow for prettier cursor jumps, then swears they’ll keep things simple—cue the meme: “I could fix it, but I won’t.” Jokes fly: “The DOM is lava,” “text layout is the final boss,” and “AI can finally label buttons without breaking everything.” The vibe is pure relief-meets-rage: speed thrills, search kills, and Pretext has people dreaming of fewer hacks. Check the demos: chenglou.me/pretext and somnai-dreams.github.io/pretext-demos