4 * convert time into another unit
6 function convert(val, sourceUnitName, destinationUnitName){
7 destinationUnitName = destinationUnitName || 'ms';
8 return (val * getUnit(sourceUnitName)) / getUnit(destinationUnitName);
12 //TODO: maybe extract to a separate module
13 function getUnit(unitName){
34 throw new Error('"'+ unitName + '" is not a valid unit');