react-native-web/docs/components/Text.md

Text

Text is component for displaying text. It supports style, basic touch handling, and inherits typographic styles from ancestor elements.

The Text is unique relative to layout: child elements use text layout (inline) rather than flexbox layout. This means that elements inside of a Text are not rectangles, as they wrap when reaching the edge of their container.

Unsupported React Native props: allowFontScaling (ios), suppressHighlighting (ios)

Props

NOTE: Text will transfer all other props to the rendered HTML element.

(web) accessibilityLabel: string

Defines the text available to assistive technologies upon interaction with the element. (This is implemented using aria-label.)

(web) accessibilityRole: oneOf(roles)

Allows assistive technologies to present and support interaction with the view in a manner that is consistent with user expectations for similar views of that type. For example, marking a touchable view with an accessibilityRole of button. (This is implemented using ARIA roles).

Note: Avoid changing accessibilityRole values over time or after user actions. Generally, accessibility APIs do not provide a means of notifying assistive technologies of a role value change.

accessible: bool = true

When false, the text is hidden from assistive technologies. (This is implemented using aria-hidden.)

children: any

Child content.

numberOfLines: number

Truncates the text with an ellipsis after this many lines. Currently only supports 1.

onLayout: function

Invoked on mount and layout changes with { nativeEvent: { layout: { x, y, width, height } } }, where x and y are the offsets from the parent node.

onPress: function

This function is called on press.

selectable: bool = true

Lets the user select the text.

style: style

• ...View#style
• color
• fontFamily
• fontSize
• fontStyle
• fontWeight
• letterSpacing
• lineHeight
• textAlign‡
• textAlignVertical
• textDecorationLine
• textOverflow
• textRendering
• textShadowColor
• textShadowOffset‡
• textShadowRadius
• textTransform
• unicodeBidi
• whiteSpace
• wordWrap
• writingDirection‡

‡ This property can be suffixed with $noI18n to prevent automatic bidi-flipping in RTL mode. This is only supported if Platform.OS === 'web'.

testID: string

Used to locate this view in end-to-end tests.

Examples

import React, { Component, PropTypes } from 'react'
import { StyleSheet, Text } from 'react-native'

export default class PrettyText extends Component {
  static propTypes = {
    ...Text.propTypes,
    color: PropTypes.oneOf(['white', 'gray', 'red']),
    size: PropTypes.oneOf(['small', 'normal', 'large']),
    weight: PropTypes.oneOf(['light', 'normal', 'bold'])
  };

  static defaultProps = {
    ...Text.defaultProps,
    color: 'gray',
    size: 'normal',
    weight: 'normal'
  };

  render() {
    const { color, size, style, weight, ...other } = this.props;

    return (
      <Text
        ...other
        style={[
          style,
          colorStyles[color],
          sizeStyles[size],
          weightStyles[weight]
        ]}
      />
    );
  }
}

const colorStyles = StyleSheet.create({
  white: { color: 'white' },
  gray: { color: 'gray' },
  red: { color: 'red' }
})

const sizeStyles = StyleSheet.create({
  small: { fontSize: '0.85rem', padding: '0.5rem' },
  normal: { fontSize: '1rem', padding: '0.75rem' },
  large: { fontSize: '1.5rem', padding: '1rem' }
})

const weightStyles = StyleSheet.create({
  light: { fontWeight: '300' },
  normal: { fontWeight: '400' },
  bold: { fontWeight: '700' }
})