react-native-animated-spinkit/lib/module/Wander.js

A pure JavaScript port of SpinKit for React Native.

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); }

function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

import * as React from 'react';
import { Animated, View } from 'react-native';
import { defaultProps } from './SpinnerProps';
import AnimationContainer from './AnimationContainer';
import { loop } from './utils';
export default class Wander extends React.Component {
  render() {
    const {
      size,
      color,
      style,
      animating,
      hidesWhenStopped,
      ...rest
    } = this.props;
    const wanderDistance = size * 0.75;
    return /*#__PURE__*/React.createElement(AnimationContainer, {
      initAnimation: () => ({
        wander: value => ({
          values: [value],
          animation: loop({
            duration: 2000,
            value: value,
            keyframes: [0, 25, 50, 75, 100]
          })
        })
      }),
      animating: animating
    }, values => /*#__PURE__*/React.createElement(View, _extends({
      style: [{
        width: size,
        height: size,
        opacity: !animating && hidesWhenStopped ? 0 : 1
      }, style]
    }, rest), Array(3).fill(null).map((_, index) => /*#__PURE__*/React.createElement(View, {
      key: index,
      style: {
        width: size,
        height: size,
        position: 'absolute',
        transform: [{
          rotate: "".concat(index * 90, "deg")
        }]
      }
    }, /*#__PURE__*/React.createElement(Animated.View, {
      style: {
        width: size / 5,
        height: size / 5,
        backgroundColor: color,
        position: 'absolute',
        transform: [{
          translateX: values.wander[0].interpolate({
            inputRange: [0, 25, 50, 75, 100],
            outputRange: [0, wanderDistance, wanderDistance, 0, 0]
          })
        }, {
          translateY: values.wander[0].interpolate({
            inputRange: [0, 25, 50, 75, 100],
            outputRange: [0, 0, wanderDistance, wanderDistance, 0]
          })
        }, {
          scale: values.wander[0].interpolate({
            inputRange: [0, 25, 50, 75, 100],
            outputRange: index % 2 === 0 ? [1, 0.6, 1, 0.6, 1] : [0.6, 1, 0.6, 1, 0.6]
          })
        }, {
          rotate: values.wander[0].interpolate({
            inputRange: [0, 25, 50, 75, 100],
            outputRange: ['0deg', '-90deg', '-180deg', '-270deg', '-360deg']
          })
        }]
      }
    })))));
  }

}

_defineProperty(Wander, "defaultProps", defaultProps);
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