[TextInput] lineheight cuts off content on iOS
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Descripción
Description
The TextInput on iOS cuts off content at dashes (-) if it has the lineHeight style applied to it. This happens when content is to long and therefore isn't completely visible in the input without moving through it.
If the lineHeight isn't applied it is not cut off at the dash (-) and the content will end with ellipsis (...).
We tried removing everything from the input and found out in that way it was the lineHeight that causes this issue.
This only happens on iOS and not on Android.
React Native Version
0.71.13
Output of npx react-native info
System:
OS: macOS 14.0
CPU: (10) arm64 Apple M1 Pro
Memory: 55.56 MB / 32.00 GB
Shell: 5.9 - /bin/zsh
Binaries:
Node: 18.15.0 - ~/.nvm/versions/node/v18.15.0/bin/node
Yarn: 1.22.19 - /opt/homebrew/bin/yarn
npm: 9.5.0 - ~/.nvm/versions/node/v18.15.0/bin/npm
Watchman: 2023.10.02.00 - /opt/homebrew/bin/watchman
Managers:
CocoaPods: 1.13.0 - /Users/thomaslamars/.rvm/gems/ruby-2.7.5/bin/pod
SDKs:
iOS SDK:
Platforms: DriverKit 23.0, iOS 17.0, macOS 14.0, tvOS 17.0, watchOS 10.0
Android SDK: Not Found
IDEs:
Android Studio: 2022.2 AI-222.4459.24.2221.9971841
Xcode: 15.0.1/15A507 - /usr/bin/xcodebuild
Languages:
Java: 18.0.2.1 - /Library/Java/JavaVirtualMachines/jdk-18.0.2.1.jdk/Contents/Home/bin/javac
npmPackages:
@react-native-community/cli: Not Found
react: 18.2.0 => 18.2.0
react-native: ^0.71.13 => 0.71.13
react-native-macos: Not Found
npmGlobalPackages:
*react-native*: Not Found
Steps to reproduce
It is reproducible by making an TextInput with just lineHeight on it with the styling.
Than as value pass a really long string or type a really long string with dashes.
Get out of focus with the input and see that the value in the input gets truncated.
import { TextInput, SafeAreaView, StyleSheet } from 'react-native';
export default function App() {
const value = "Thisisareallylong emailwithdashes-init@thawdisisasnackwhichisanexample.com"
return (
<SafeAreaView style={styles.container}>
<TextInput value={value} style={{ lineHeight: 20 }} />
</SafeAreaView>
);
}
Snack, screenshot, or link to a repository
Snack url
Reproducible on Snack with expo 49 and react native version 0.72.4
https://snack.expo.dev/l0o3kNldL
Guía de contribución
Primeros pasos
- Lee el issue completo y luego la guía de contribución del proyecto.
- Comenta en el issue que vas a ocuparte — evita que dos personas hagan lo mismo.
- Haz un fork del repositorio y trabaja en una rama.
- Abre un pull request que haga referencia al número del issue.
Línea de trabajo
Comienza ejecutando la reproducción vinculada en Snack con el valor largo formado por guiones y compara el comportamiento de iOS TextInput con y sin lineHeight. Traza después el punto de entrada de iOS TextInput responsable del renderizado y el truncamiento, y verifica que el contenido largo ya no se corte en los guiones mientras el comportamiento de Android permanezca sin cambios.
Escrito por el modelo de indexación a partir del texto del issue.
Evaluación
- Stack tecnológico
- ios, react-native
- Área
- mobile
- Tipo de issue
- Error
- Dificultad
- 4/5
- Tiempo estimado
- 3-5 días
- Estado de actividad
- Activo
- Claridad
- Bastante claro
- Aptitud para principiantes
- 48/100