Function parseRangeHeader

lib/core/util.js:798–810

* Parse accordingly to RFC 9110 * @see https://www.rfc-editor.org/rfc/rfc9110#field.content-range * @param {string} [range] * @returns {RangeHeader|null}

(range)

 * @returns {RangeHeader|null}
 */
function parseRangeHeader (range) {
  if (range == null || range === '') return { start: 0, end: null, size: null }
  if (!range) return null

  const m = rangeHeaderRegex.exec(range)
  return m
    ? {
        start: parseInt(m[1]),
        end: m[2] ? parseInt(m[2]) : null,
        size: m[3] && m[3] !== '*' ? parseInt(m[3]) : null
      }
    : null
}

/**
 * @template {import("events").EventEmitter} T