Promise retry

promiseretry.js

function retry ( promiseToRetry, maxRetries ) {
	return new Promise( function ( resolve, reject ) {
		promiseToRetry.then( function ( resolve ) {
			resolve( result );
		} ).catch( function ( e ) {
			if ( maxRetries > 0 ) {
				return retry( promiseToRetry, maxRetries - 1 );
			} else {
				reject( e )
			}
		} );
	} );
}