@fruits-chain/react-native-xiaoshu/lib/commonjs/loading/loading-spinner.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 _index = require("../helpers/index.js");
var _index2 = _interopRequireDefault(require("../theme/index.js"));
var _style = require("./style.js");
var _jsxRuntime = require("react/jsx-runtime");
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
function _getRequireWildcardCache(e) { if ("function" != typeof WeakMap) return null; var r = new WeakMap(), t = new WeakMap(); return (_getRequireWildcardCache = function (e) { return e ? t : r; })(e); }
function _interopRequireWildcard(e, r) { if (!r && e && e.__esModule) return e; if (null === e || "object" != typeof e && "function" != typeof e) return { default: e }; var t = _getRequireWildcardCache(r); if (t && t.has(e)) return t.get(e); var n = { __proto__: null }, a = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var u in e) if ("default" !== u && {}.hasOwnProperty.call(e, u)) { var i = a ? Object.getOwnPropertyDescriptor(e, u) : null; i && (i.get || i.set) ? Object.defineProperty(n, u, i) : n[u] = e[u]; } return n.default = e, t && t.set(e, n), n; }
const PETAL_COUNT = 8;
const PETALS = new Array(PETAL_COUNT).fill(0);
const A_OPACITY = 1 / PETAL_COUNT;
const A_ROTATE = 360 / PETAL_COUNT;
const useLoop = (AnimatedValue, initValue, config) => {
  (0, _react.useEffect)(() => {
    const spinAnimation = _reactNative.Animated.timing(AnimatedValue, {
      toValue: config.toValue,
      duration: config.duration,
      easing: config.easing,
      useNativeDriver: true
    });
    _reactNative.Animated.loop(spinAnimation).start();
  }, [AnimatedValue, initValue, config.duration, config.toValue, config.easing]);
};
const Spinner = ({
  theme,
  size,
  color,
  ...restProps
}) => {
  const [CV] = _index2.default.useStyle({
    varCreator: _style.varCreator,
    theme
  });
  const AnimatedSpinnerValue = (0, _react.useRef)(new _reactNative.Animated.Value(0)).current;
  size = (0, _index.getDefaultValue)(size, CV.loading_icon_size);
  color = (0, _index.getDefaultValue)(color, CV.loading_icon_color);
  useLoop(AnimatedSpinnerValue, 0, {
    toValue: 1,
    duration: CV.loading_icon_animation_duration,
    easing: _reactNative.Easing.linear
  });
  return /*#__PURE__*/(0, _jsxRuntime.jsx)(_reactNative.Animated.View, {
    ...restProps,
    style: [STYLES.icon, {
      width: size,
      height: size,
      transform: [{
        rotateZ: AnimatedSpinnerValue.interpolate({
          inputRange: [0, 1],
          outputRange: ['0deg', '360deg']
        })
      }]
    }, restProps.style],
    children: PETALS.map((_, i) => {
      return /*#__PURE__*/(0, _jsxRuntime.jsx)(_reactNative.View, {
        style: _reactNative.StyleSheet.flatten([STYLES.petal, {
          opacity: A_OPACITY * (i + 1),
          transform: [{
            rotate: `${A_ROTATE * i}deg`
          }]
        }]),
        children: /*#__PURE__*/(0, _jsxRuntime.jsx)(_reactNative.View, {
          style: [STYLES.inner, {
            backgroundColor: color
          }]
        })
      }, i);
    })
  });
};
const STYLES = _reactNative.StyleSheet.create({
  icon: {
    justifyContent: 'center',
    alignItems: 'center',
    position: 'relative'
    // backgroundColor: '#999', // to test ui
    // transform: [
    //   {
    //     rotate: '-90deg',
    //   },
    // ],
  },
  petal: {
    position: 'absolute',
    left: 0,
    right: 0,
    top: 0,
    bottom: 0,
    alignItems: 'center'
    // backgroundColor: '#f30', // to test ui
  },
  inner: {
    width: 2,
    height: '30%'
    // 高版本 React Native Android 端会出现奇怪的截断
    // borderRadius: 1,
    // backgroundColor: '#000',
  }
});
var _default = exports.default = /*#__PURE__*/(0, _react.memo)(Spinner);
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