react-native-web/dist/exports/Text/index.js.flow

React Native for Web

/**
 * Copyright (c) Nicolas Gallagher.
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 * @flow
 */

'use client';

import type { PlatformMethods } from '../../types';
import type { TextProps } from './types';
import * as React from 'react';
import createElement from '../createElement';
import * as forwardedProps from '../../modules/forwardedProps';
import pick from '../../modules/pick';
import useElementLayout from '../../modules/useElementLayout';
import useMergeRefs from '../../modules/useMergeRefs';
import usePlatformMethods from '../../modules/usePlatformMethods';
import useResponderEvents from '../../modules/useResponderEvents';
import StyleSheet from '../StyleSheet';
import TextAncestorContext from './TextAncestorContext';
import { useLocaleContext, getLocaleDirection } from '../../modules/useLocale';
//import { warnOnce } from '../../modules/warnOnce';

const forwardPropsList = Object.assign({}, forwardedProps.defaultProps, forwardedProps.accessibilityProps, forwardedProps.clickProps, forwardedProps.focusProps, forwardedProps.keyboardProps, forwardedProps.mouseProps, forwardedProps.touchProps, forwardedProps.styleProps, {
  href: true,
  lang: true,
  pointerEvents: true
});
declare var pickProps: (props: any) => any;
const Text: React.AbstractComponent<TextProps, HTMLElement & PlatformMethods> = React.forwardRef((props, forwardedRef) => {
  const {
    hrefAttrs,
    numberOfLines,
    onClick,
    onLayout,
    onPress,
    onMoveShouldSetResponder,
    onMoveShouldSetResponderCapture,
    onResponderEnd,
    onResponderGrant,
    onResponderMove,
    onResponderReject,
    onResponderRelease,
    onResponderStart,
    onResponderTerminate,
    onResponderTerminationRequest,
    onScrollShouldSetResponder,
    onScrollShouldSetResponderCapture,
    onSelectionChangeShouldSetResponder,
    onSelectionChangeShouldSetResponderCapture,
    onStartShouldSetResponder,
    onStartShouldSetResponderCapture,
    selectable,
    ...rest
  } = props;

  /*
  if (selectable != null) {
    warnOnce(
      'selectable',
      'selectable prop is deprecated. Use styles.userSelect.'
    );
  }
  */

  const hasTextAncestor = React.useContext(TextAncestorContext);
  const hostRef = React.useRef(null);
  const {
    direction: contextDirection
  } = useLocaleContext();
  useElementLayout(hostRef, onLayout);
  useResponderEvents(hostRef, {
    onMoveShouldSetResponder,
    onMoveShouldSetResponderCapture,
    onResponderEnd,
    onResponderGrant,
    onResponderMove,
    onResponderReject,
    onResponderRelease,
    onResponderStart,
    onResponderTerminate,
    onResponderTerminationRequest,
    onScrollShouldSetResponder,
    onScrollShouldSetResponderCapture,
    onSelectionChangeShouldSetResponder,
    onSelectionChangeShouldSetResponderCapture,
    onStartShouldSetResponder,
    onStartShouldSetResponderCapture
  });
  const handleClick = React.useCallback(e => {
    if (onClick != null) {
      onClick(e);
    } else if (onPress != null) {
      e.stopPropagation();
      onPress(e);
    }
  }, [onClick, onPress]);
  let component = hasTextAncestor ? 'span' : 'div';
  const langDirection = props.lang != null ? getLocaleDirection(props.lang) : null;
  const componentDirection = props.dir || langDirection;
  const writingDirection = componentDirection || contextDirection;
  const supportedProps = pickProps(rest);
  supportedProps.dir = componentDirection;
  // 'auto' by default allows browsers to infer writing direction (root elements only)
  if (!hasTextAncestor) {
    supportedProps.dir = componentDirection != null ? componentDirection : 'auto';
  }
  if (onClick || onPress) {
    supportedProps.onClick = handleClick;
  }
  supportedProps.style = [numberOfLines != null && numberOfLines > 1 && {
    WebkitLineClamp: numberOfLines
  }, hasTextAncestor === true ? styles.textHasAncestor$raw : styles.text$raw, numberOfLines === 1 && styles.textOneLine, numberOfLines != null && numberOfLines > 1 && styles.textMultiLine, props.style, selectable === true && styles.selectable, selectable === false && styles.notSelectable, onPress && styles.pressable];
  if (props.href != null) {
    component = 'a';
    if (hrefAttrs != null) {
      const {
        download,
        rel,
        target
      } = hrefAttrs;
      if (download != null) {
        supportedProps.download = download;
      }
      if (rel != null) {
        supportedProps.rel = rel;
      }
      if (typeof target === 'string') {
        supportedProps.target = target.charAt(0) !== '_' ? '_' + target : target;
      }
    }
  }
  const platformMethodsRef = usePlatformMethods(supportedProps);
  const setRef = useMergeRefs(hostRef, platformMethodsRef, forwardedRef);
  supportedProps.ref = setRef;
  const element = createElement(component, supportedProps, {
    writingDirection
  });
  return hasTextAncestor ? element : <TextAncestorContext.Provider value={true}>
        {element}
      </TextAncestorContext.Provider>;
});
Text.displayName = 'Text';
const textStyle = {
  backgroundColor: 'transparent',
  border: '0 solid black',
  boxSizing: 'border-box',
  color: 'black',
  display: 'inline',
  font: '14px System',
  listStyle: 'none',
  margin: 0,
  padding: 0,
  position: 'relative',
  textAlign: 'start',
  textDecoration: 'none',
  whiteSpace: 'pre-wrap',
  wordWrap: 'break-word'
};
const styles = StyleSheet.create({
  text$raw: textStyle,
  textHasAncestor$raw: {
    ...textStyle,
    color: 'inherit',
    font: 'inherit',
    textAlign: 'inherit',
    whiteSpace: 'inherit'
  },
  textOneLine: {
    maxWidth: '100%',
    overflow: 'hidden',
    textOverflow: 'ellipsis',
    whiteSpace: 'nowrap',
    wordWrap: 'normal'
  },
  // See #13
  textMultiLine: {
    display: '-webkit-box',
    maxWidth: '100%',
    overflow: 'clip',
    textOverflow: 'ellipsis',
    WebkitBoxOrient: 'vertical'
  },
  notSelectable: {
    userSelect: 'none'
  },
  selectable: {
    userSelect: 'text'
  },
  pressable: {
    cursor: 'pointer'
  }
});
export default Text;