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@ducdh-origin/react-native-read-more
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@ducdh-origin/react-native-read-more

React native library to show text in a condensed way and expand when needed. Drop in replacement for Text component and highly customizable. Can be used with expo or native cli on all platforms.

by Fawaz Ahmed

0.0.5 (see all)License:MITTypeScript:Not Found
npm i @ducdh-origin/react-native-read-more
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react-native-read-more

React native library to show text in a condensed way and expand when needed. Can be used with native or expo on all platforms. Supports TS/JS both.

Example

Installation

npm i @fawazahmed/react-native-read-more --save

or with yarn

yarn add @fawazahmed/react-native-read-more

Usage


import React from 'react';
import {SafeAreaView, StyleSheet, View} from 'react-native';
import ReadMore from '@fawazahmed/react-native-read-more';

const Home = () => {
  return (
    <SafeAreaView style={styles.safe}>
      <View style={styles.root}>
        <ReadMore numberOfLines={3} style={styles.textStyle}>
          {
            "Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum."
          }
        </ReadMore>
      </View>
    </SafeAreaView>
  );
};

const styles = StyleSheet.create({
  safe: {
    flex: 1,
  },
  root: {
    flex: 1,
    padding: 16,
  },
  textStyle: {
    fontSize: 14,
  },
});

export default Home;

Props

PropTypeRequiredNote
styleobject or arraynotext style
seeMoreTextstringnodefaults to See more
seeMoreStyleobject or arraynotext style for See more text
seeLessTextstringnodefaults to See less
seeLessStyleobject or arraynotext style for See less text
ellipsisstringnodefaults to ...
wrapperStyleobject or arraynostyle for wrapper View
numberOfLinesnumbernodefaults to 3
animateboolnodefaults to true => applies a subtle animation to see more and see less text, not the complete text itself
customTextComponentReact componentnodefaults to Text
expandOnlyboolnodefaults to false => hide see less option similar to a linkedIn post
onExpandfuncnooptional callback executed when expanded
onCollapsefuncnooptional callback executed when collapsed
onReadyfuncnooptional callback executed when see more placement measurements are completed
seeMoreContainerStyleSecondaryobjectnoIncase of text overlap, pass { position: 'relative' } see issue (not recommended)

Any additional props are passed down to underlying Text component.

Usage with HTML

HTML rendering is not part of this package, but can be done easily with the help of any custom html to text library. For sample code, refer to this issue

Run example

git clone https://github.com/fawaz-ahmed/react-native-read-more.git
cd react-native-read-more/example
yarn install # or npm install

# to run on iOS
yarn ios

#to run on android
yarn android

Why another library ?

This module will calculate where to position See more and See less within the same paragraph instead of occupying another line. It is a drop-in replacement for Text component and you can control when to apply the see more functionality by configuring the numberOfLines prop. Moreover, you can also pass your own custom implementation of Text component like ParsedText (sample code) etc.

Testing with Jest

Make sure to add jest.useFakeTimers(); to your test file. See Stackoverflow post and jest timer mocks

Seeing issues or any feedback or feature suggest ?

Create an issue with github.

Troubleshooting

  • If you observe See more shown always in android, pass prop allowFontScaling={false}, refer to this issue
  • If you have any nested components other than Text, refer to this issue

Known issues

Android only if numberOfLines with a value of 1 is passed down as a prop, text in android devices will overlap at the end of line. This is an issue in react-native where text from other lines concatenates into the first one even if we add \n to the first line, where the lines returned from onTextLayout indicates a different response. To overcome this issue, use numberOfLines greater than 1.

Downloads/wk

18

GitHub Stars

114

LAST COMMIT

3mos ago

MAINTAINERS

1

CONTRIBUTORS

5

OPEN ISSUES

6

OPEN PRs

0
VersionTagPublished
0.0.5
latest
1yr ago
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