@fruits-chain/react-native-xiaoshu/lib/commonjs/switch/index.js

React Native UI library

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;

var _react = _interopRequireWildcard(require("react"));

var _reactNative = require("react-native");

var _theme = require("../theme");

var _circular = _interopRequireDefault(require("../loading/circular"));

var _hooks = require("../hooks");

var _helpers = require("../helpers");

var _style = require("./style");

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== "function") return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function (nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); }

function _interopRequireWildcard(obj, nodeInterop) { if (!nodeInterop && obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(nodeInterop); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }

/**
 * Switch 开关
 * @description 用于在打开和关闭状态之间进行切换。
 */
function Switch(_ref) {
  let {
    size,
    disabled = false,
    loading = false,
    value,
    defaultValue,
    activeValue = true,
    inactiveValue = false,
    inactiveColor,
    activeColor,
    onPress,
    onChange,
    beforeChange
  } = _ref;
  const translateX = (0, _react.useRef)(new _reactNative.Animated.Value(0));
  const [localValue, setLocalValue] = (0, _react.useState)((0, _helpers.isValue)(value) ? value : (0, _helpers.isValue)(defaultValue) ? defaultValue : inactiveValue);
  const THEME_VAR = (0, _theme.useTheme)();
  const STYLES = (0, _theme.widthStyle)(THEME_VAR, _style.createStyles); // 同步值

  (0, _hooks.useUpdateEffect)(() => {
    setLocalValue(value);
  }, [value]);
  const unitSize = (0, _helpers.getDefaultValue)(size, THEME_VAR.switch_size);
  const switchWidth = unitSize * THEME_VAR.switch_width_ratio;
  const switchHeight = unitSize * THEME_VAR.switch_height_ratio;
  const nodeSize = unitSize * THEME_VAR.switch_node_size_ratio - THEME_VAR.switch_border_width * 2;
  const translateXValueEnd = switchWidth - nodeSize - THEME_VAR.switch_border_width * 2;
  const translateXValueStart = THEME_VAR.switch_border_width;
  const duration = THEME_VAR.switch_transition_duration;
  const active = localValue === activeValue;

  const onPressTouchable = () => {
    onPress === null || onPress === void 0 ? void 0 : onPress();

    if (!disabled && !loading) {
      const newValue = active ? inactiveValue : activeValue;

      const doChange = () => {
        setLocalValue(newValue);
        onChange === null || onChange === void 0 ? void 0 : onChange(newValue);
      };

      if (beforeChange) {
        const beforeChangeValue = beforeChange(newValue);

        if ((0, _helpers.isPromise)(beforeChangeValue)) {
          beforeChangeValue.then(v => {
            if (v) {
              doChange();
            }
          });
        } else {
          if (beforeChangeValue) {
            doChange();
          }
        }
      } else {
        doChange();
      }
    }
  };

  (0, _react.useEffect)(() => {
    let actionValue;
    actionValue = _reactNative.Animated.timing(translateX.current, // 动画中的变量值
    {
      toValue: active ? translateXValueEnd : translateXValueStart,
      duration: duration,
      useNativeDriver: false
    });
    actionValue.start(_ref2 => {
      let {
        finished
      } = _ref2;

      if (finished) {
        actionValue = null;
      }
    });
    return () => {
      // 停止动画
      if (actionValue) {
        actionValue.stop();
        actionValue = null;
      }
    };
  }, [active, translateXValueStart, translateXValueEnd, duration]);
  const switchStyles = [STYLES.switch, {
    width: switchWidth,
    height: switchHeight,
    borderRadius: switchHeight / 2,
    // 当前过渡不支持 color/backgroundColor
    // 参考：https://stackoverflow.com/a/60586628
    backgroundColor: active ? activeColor || THEME_VAR.switch_on_background_color : inactiveColor || THEME_VAR.switch_background_color
  }, disabled ? STYLES.disabled : null];
  const nodeStyleSummary = [STYLES.node, {
    width: nodeSize,
    height: nodeSize,
    borderRadius: nodeSize / 2,
    transform: [{
      translateX: translateX.current
    }]
  }];
  return /*#__PURE__*/_react.default.createElement(_reactNative.TouchableWithoutFeedback, {
    onPress: onPressTouchable
  }, /*#__PURE__*/_react.default.createElement(_reactNative.Animated.View, {
    style: switchStyles
  }, /*#__PURE__*/_react.default.createElement(_reactNative.Animated.View, {
    style: nodeStyleSummary
  }, loading ? /*#__PURE__*/_react.default.createElement(_circular.default, {
    size: nodeSize / 4 * 3,
    color: active ? (0, _helpers.isValue)(activeColor) ? activeColor : THEME_VAR.switch_on_background_color : (0, _helpers.isValue)(inactiveColor) ? inactiveColor : THEME_VAR.loading_text_color
  }) : null)));
}

var _default = /*#__PURE__*/(0, _react.memo)(Switch);

exports.default = _default;
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