---
title: "expo-pretext"
description: "Measures React Native text heights natively before render so layouts can be computed without a measure pass."
canonical: "https://vibing.inc/library/expo-pretext-vg-1394"
category: "Mobile & Cross-platform UI"
subcategory: "RN performance"
license: "MIT"
author: "Juba Kitiashvili (@JubaKitiashvili)"
source: "https://github.com/JubaKitiashvili/expo-pretext"
---

# expo-pretext
Measures React Native text heights natively before render so layouts can be computed without a measure pass.
## Facts
- Source: https://github.com/JubaKitiashvili/expo-pretext
- Category: Mobile & Cross-platform UI / RN performance
- Author: Juba Kitiashvili (@JubaKitiashvili)
- Licence: MIT
- Tags: expo, text, measurement, performance
## Why it's a gem
Removes layout jank in chat and feed UIs; a genuinely obscure but load-bearing trick
---
Listed in The Vibeary: https://vibing.inc/library/expo-pretext-vg-1394 · JSON: https://vibing.inc/api/public/library/gems/expo-pretext-vg-1394