ractive/src/utils/defineProperties.js

Next-generation DOM manipulation

import createElement from 'utils/createElement';
import defineProperty from 'utils/defineProperty';
import isClient from 'config/isClient';

var defineProperties;

try {
	try {
		Object.defineProperties({}, { test: { value: 0 } });
	} catch ( err ) {
		// TODO how do we account for this? noMagic = true;
		throw err;
	}

	if ( isClient ) {
		Object.defineProperties( createElement( 'div' ), { test: { value: 0 } });
	}

	defineProperties = Object.defineProperties;
} catch ( err ) {
	defineProperties = function ( obj, props ) {
		var prop;

		for ( prop in props ) {
			if ( props.hasOwnProperty( prop ) ) {
				defineProperty( obj, prop, props[ prop ] );
			}
		}
	};
}

export default defineProperties;