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chenglou/pretext

View on GitHub ↗ ★ 50,985 TypeScript

Fast, accurate & comprehensive text measurement & layout

13 mentions on Hacker News by 11 people: 4 stories, 9 comments · first 2026-03-28 · latest 2026-10-26

Mentions per year 13 mentions · busiest year 2026 (13)
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  1. ▲ 2
    Show HN: Calm Web – Print magazine style reader
    story by niraj-agarwal · 2026-10-26 · 2 comments
  2. …justif and pretext for better typesetting and masonry columns https://github.com/lyallcooper/justif https://github.com/chenglou/pretext About 6 hours on Claude Code in two sessions.
    comment by niraj-agarwal · 2026-07-27 · in Paywall-free News Aggregator
  3. …to handle this efficiently? https://pretextjs.dev/pretext-demo/showcase-mesmerizing-anim... https://github.com/chenglou/pretext
    comment by hankbond · 2026-07-17 · in Just Do Things
  4. …Some claude came up with by itself and some were based on my guidance. You can see the result here: https://github.com/chenglou/pretext/issues/2 The original isCJK, also written by AI (I assume), was fast. It wasn't obviously slow like…
    comment by kjksf · 2026-04-09 · in Code Is Cheap Now, and That Changes Everything
  5. …tomorrow. But until then, you can use the site to see all the potential buddies. Uses pretext ( https://github.com/chenglou/pretext ) for the text layout
    comment by open-paren · 2026-03-31 · in Claude Code Buddy Creator
  6. …do well. let's see how close pretext can get to 80ms (or better) without adopting the same tricks. https://github.com/chenglou/pretext/issues/18 there are already significant perf improvement PRs open right now, including one done using…
    comment by leeoniya · 2026-03-30 · in Pretext: TypeScript library for multiline text measurement and layout
  7. …not, at some point I really want to understand what's the real insight in the library, their https://github.com/chenglou/pretext/blob/main/RESEARCH.md is interesting, they seem to have just done the hard work, of browser discrepancies to…
    comment by Trufa · 2026-03-29 · in Pretext: TypeScript library for multiline text measurement and layout
  8. …tests the resulting library against real browsers using a wide variety of long text documents, see https://github.com/chenglou/pretext/tree/main/corpora and https://github.com/chenglou/pretext/blob/main/pages/accuracy...
    comment by simonw · 2026-03-29 · in Pretext: TypeScript library for multiline text measurement and layout
  9. That's in there too: https://github.com/chenglou/pretext/blob/53a065b8a345fc29831...
    comment by simonw · 2026-03-29 · in Pretext: TypeScript library for multiline text measurement and layout
  10. …with pure arithmetic to count lines and compute height. Call on every resize. ~0.0002ms per text. https://github.com/chenglou/pretext/blob/main/src/layout.ts
    comment by rattray · 2026-03-29 · in Pretext: TypeScript library for multiline text measurement and layout
  11. ▲ 3
    Pretext
    story by taf2 · 2026-03-29 · 1 comment
  12. ▲ 397
    Pretext: TypeScript library for multiline text measurement and layout
    story by emersonmacro · 2026-03-28 · 69 comments
  13. ▲ 6
    Pretext: JavaScript/TypeScript library for multiline text measurement and layout
    story by davidbarker · 2026-03-28 · 0 comments