Function getEncodingPriority

http/_negotiation/encoding.ts:117–138

(
  encoding: string,
  accepted: Specificity[],
  index: number,
)

}

function getEncodingPriority(
  encoding: string,
  accepted: Specificity[],
  index: number,
): Specificity {
  let priority: Specificity = { o: -1, q: 0, s: 0, i: 0 };

  for (const s of accepted) {
    const spec = specify(encoding, s, index);

    if (
      spec &&
      (priority.s! - spec.s! || priority.q - spec.q ||
          priority.o! - spec.o!) <
        0
    ) {
      priority = spec;
    }
  }

  return priority;
}

/** Given an `Accept-Encoding` string, parse out the encoding returning a
 * negotiated encoding based on the `provided` encodings otherwise just a