index.js

import React from 'react'
import ReactNative from 'react-native'
import PropTypes from 'prop-types';

var {
	NativeModules,
	processColor,
	requireNativeComponent,
	View
} = ReactNative;

var RNSpinkit = null;

class Spinkit extends React.Component {

	static propTypes = {
		type: PropTypes.string,
		/**
		 * @prop color
		 * @NOTE This is typically passed as a string, but technically can also be
		 *	a number (see https://facebook.github.io/react/docs/typechecking-with-proptypes.html).
		 *	In addition, allowing a number prop type eliminates the PropType warning
		 *	React Native will throw if passing a string into this component but a
		 *	different type (number) down to the native module.
		 */
		color: PropTypes.oneOfType([PropTypes.string, PropTypes.number]),
		size: PropTypes.number,
		isVisible: PropTypes.bool,
		testID: PropTypes.string,
		accessibilityComponentType: PropTypes.string,
		accessibilityLabel: PropTypes.string,
		accessibilityLiveRegion: PropTypes.string,
		renderToHardwareTextureAndroid: PropTypes.bool,
		importantForAccessibility: PropTypes.string,
		onLayout: PropTypes.func,
		style: PropTypes.object,
	};

	static defaultProps = {
		size: 37,
		color: "#000000",
		isVisible: true
	};

	render() {
		if (!this.props.isVisible) return <View/>;

		var size = {height: this.props.size, width: this.props.size};

		// In order to handle all the color specifications allowed in React Native
		// as a whole, we need to call processColor here, and can pass in the
		// resulting number directly. RCTConvert will be called on iOS to parse
		// into #AARRGGBB form; on Android, this int can be used directly for
		// setting the color.
		var colorNumber = processColor(this.props.color);

		return (
			<RNSpinkit
				type={String(this.props.type)}
				size={parseInt(this.props.size)}
				color={colorNumber}
				style={[size, this.props.style]}/>
		);
	}

}

// Since RNPM does not recognize `requireNativeComponent`, so we have to
// add this line, and RNPM will link native modules automatically
NativeModules.RNSpinkit;

// Native component
RNSpinkit = requireNativeComponent(
	'RNSpinkit',
	Spinkit,
    {
        nativeOnly: {
            'nativeID': true
        }
    }
);


module.exports = Spinkit;