Range header field parser.
$ npm install range-parser
var parseRange = require('range-parser')Parse the given header string where size is the maximum size of the resource.
An array of ranges will be returned or negative numbers indicating an error parsing.
-2signals a malformed header string-1signals an invalid range
// parse header from request
var range = parseRange(req.headers.range)
// the type of the range
if (range.type === 'bytes') {
// the ranges
range.forEach(function (r) {
// do something with r.start and r.end
})
}