@fruits-chain/react-native-xiaoshu/lib/module/button/index.js

🌈 React Native UI library

function _extends() { _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; return _extends.apply(this, arguments); }

import Color from 'color';
import isNil from 'lodash/isNil';
import React, { memo, useMemo } from 'react';
import { Text, TouchableOpacity, StyleSheet } from 'react-native';
import { getDefaultValue } from '../helpers';
import { useDebounceFn } from '../hooks';
import Loading from '../loading';
import Theme from '../theme';
import { varCreator, styleCreator } from './style';
/**
 * Button 按钮
 * @description 按钮用于触发一个操作，如提交表单。
 */

const Button = _ref => {
  let {
    children,
    style,
    text,
    textStyle,
    type = 'primary',
    danger = false,
    size = 'l',
    hairline = false,
    disabled = false,
    loading = false,
    loadingText,
    square = false,
    round = false,
    renderLeftIcon,
    color,
    textColor,
    onPressDebounceWait = 0,
    ...restProps
  } = _ref;
  const TOKENS = Theme.useThemeTokens();
  const CV = Theme.createVar(TOKENS, varCreator);
  const STYLES = Theme.createStyle(CV, styleCreator);
  const {
    run: runOnPress
  } = useDebounceFn(restProps.onPress, {
    wait: onPressDebounceWait
  });
  color = getDefaultValue(color, danger ? CV.button_danger_color : CV.button_primary_color);
  textColor = getDefaultValue(textColor, TOKENS.white);
  const [_backgroundColor, _borderColor, _textColor, _borderWidth] = useMemo(() => {
    switch (type) {
      case 'hazy':
        {
          const hazyColor = Color(color).lightness(CV.button_hazy_lightness).hex();
          return [hazyColor, hazyColor, color, 0];
        }

      case 'outline':
        {
          return [CV.button_ghost_background_color, CV.button_border_color, color, 1];
        }

      case 'ghost':
        {
          return [CV.button_ghost_background_color, color, color, 1];
        }

      case 'link':
        return [CV.button_ghost_background_color, CV.button_ghost_background_color, color, 0];

      case 'primary':
      default:
        return [color, color, textColor, 0];
    }
  }, [CV.button_border_color, CV.button_ghost_background_color, CV.button_hazy_lightness, color, textColor, type]);
  const buttonStyles = [STYLES.button, {
    height: CV[`button_${size}_height`],
    backgroundColor: _backgroundColor,
    borderColor: _borderColor,
    borderWidth: _borderWidth ? hairline ? StyleSheet.hairlineWidth : _borderWidth : _borderWidth
  }, STYLES[`button_${size}_padding_horizontal`], square ? STYLES.button_square : null, round ? STYLES.button_round : null, disabled ? STYLES.button_disabled : null, loading ? STYLES.button_loading : null, style];
  const commonTextStyle = StyleSheet.flatten([STYLES.text, {
    fontSize: CV[`button_${size}_font_size`],
    color: _textColor,
    marginLeft: renderLeftIcon ? CV.button_icon_gap : 0
  }]);
  const textStyleSummary = StyleSheet.flatten([commonTextStyle, textStyle]);
  const iconSize = CV[`button_${size}_loading_size`] || 24;
  const iconColor = textStyleSummary.color;
  const contextJSX = loading ? /*#__PURE__*/React.createElement(Loading, {
    type: "spinner",
    color: iconColor,
    size: iconSize,
    textSize: textStyleSummary.fontSize
  }, loadingText) : /*#__PURE__*/React.createElement(React.Fragment, null, renderLeftIcon ? renderLeftIcon(iconColor, iconSize) : null, /*#__PURE__*/React.createElement(Text, {
    style: textStyleSummary,
    numberOfLines: 1
  }, !isNil(text) ? text : children));
  return /*#__PURE__*/React.createElement(TouchableOpacity, _extends({}, restProps, {
    disabled: disabled || loading,
    style: buttonStyles,
    activeOpacity: CV.button_active_opacity,
    onPress: restProps.onPress ? onPressDebounceWait ? runOnPress : restProps.onPress : undefined
  }), contextJSX);
};

export default /*#__PURE__*/memo(Button);
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