TypeScript library for multiline text measurement & layout
SMRTR summary
Pretext is a JavaScript/TypeScript library that measures and layouts multiline text without triggering expensive DOM reflows. It uses canvas-based measurement with browser font engines for accuracy, supporting complex text including emojis and bidirectional languages. The library enables precise text height calculations for virtualization and custom layouts, plus manual line-by-line rendering for canvas, SVG, and server-side use cases.
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