index.js
function compareLastModifiedTime(stream, sourceFile, targetPath) {
	return stat(targetPath)
		.then(targetStat => {
			if (sourceFile.stat && sourceFile.stat.mtime > targetStat.mtime) {
				stream.push(sourceFile);
			}
		});
}
function compareLastModifiedTime(stream, sourceFile, targetPath) {
	return stat(targetPath)
		.then(targetStat => {
			if (sourceFile.stat && sourceFile.stat.mtime > targetStat.mtime) {
				stream.push(sourceFile);
			}
		});
}
function compareLastModifiedTime ( stream , sourceFile , targetPath ) { return stat ( targetPath ) . then ( targetStat => { if ( sourceFile . stat && sourceFile . stat . mtime > targetStat . mtime ) { stream . push ( sourceFile ) ; } } ) ; }
Only push through files changed more recently than the destination files
Only push through files changed more recently than the destination files