Compare versions

isVersionCompatible.js

function isVersionCompatible( required, installed ) {
	required = required.toString().split( '.' )
	installed = installed.toString().split( '.' );
	var length = Math.max( required.length, installed.length );
	var comparator = 0;
	for( var i = 0; i < length && !comparator; i++ ) {
		var part1 = parseInt( required[ i ], 10 ) || 0;
		var part2 = parseInt( installed[ i ], 10 ) || 0;
		if( part1 < part2 ){
			comparator = 1;
		}
		if(part1 > part2){
			comparator = -1;
		}
	}
	return ( comparator >= 0 );
}