encoding-negotiator

Install

npm i encoding-negotiator -S

Example

import negotiateEncoding from 'encoding-negotiator';

negotiateEncoding({
  header: 'compress;q=0.5, gzip;q=1.0',
  supportedEncodings: ['gzip', 'deflate', 'identity']
); //returns gzip

API

negotiateEncoding(header, supported)

Returns the most preffered encoding available in supportedEncodings The first element of the supportedEncodings array will be used in case of an asterisk.

header

The accept-encoding header.

supportedEncodings

An array of the supported encodings.

prefferedEncoding (optional)

An encoding preffered by the server if the client sends multiple encodings no quality value (for example Accept-Encoding: gzip, deflate, br).

Benchmark

$ node benchmark/benchmark.js 
negotiator x 863,149 ops/sec ±0.40% (99 runs sampled)
encoding-negotiator x 2,346,708 ops/sec ±0.53% (98 runs sampled)
Fastest is encoding-negotiator

License

MIT