range-parser

Range header field parser.

Installation

$ npm install range-parser

API

var parseRange = require('range-parser')

parseRange(size, header)

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.

-2 signals a malformed header string
-1 signals 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
  })
}

License

MIT