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HTTP Range processing utilities
Weekly downloads
Readme
HTTP Range processing utilities.
Lead Maintainer - Gil Pedersen
// basic usage
const range = Ammo.header('bytes=1-5', 10);
// range --> [{ from: 1, to: 5 }]
// multiple ranges
const range = Ammo.header('bytes=1-5,7-10', 10);
// range --> [{ from: 1, to: 5 }, { from: 7, to: 9 }]
// streams (get range within a `source`)
const range = Ammo.header('bytes=1000-4000', 5000);
const stream = new Ammo.Stream(range[0]);
const buffer = async Wreck.read(source.pipe(stream));
// buffer is the portion of source within range
header(header, length)
Parses the range from a HTTP header.
header
- A string in the form of bytes=from-to
, where from
and to
are
integers specifying the range. Both are optional. Multiple ranges can be passed
as a comma delimited list.length
- A positive integer specifying the maximum length the range can
cover. If a to
value passed in the header
string is greater than length
,
the to
value is set as length - 1
.Returns an array of objects with the properties from
and to
, which specify
the beginning and ending of the range. Overlapping ranges are combined into one
object. Returns null
for invalid input.
new Ammo.Stream(range)
Creates a Transform Stream
that extracts
the portion of a piped in stream within range
.
range
- an object with the properties from
and to
that specify the range
of the piped in stream to read. Objects returned by Ammo.header
can be passed
into range
.FAQs
HTTP Range processing utilities
The npm package ammo receives a total of 36,358 weekly downloads. As such, ammo popularity was classified as popular.
We found that ammo demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 5 open source maintainers collaborating on the project.
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