Method selectEncoder

coderd/cachecompress/compress.go:346–361

selectEncoder returns the name of the encoder

(h http.Header)

// selectEncoder returns the name of the encoder
func (c *Compressor) selectEncoder(h http.Header) string {
	header := h.Get("Accept-Encoding")

	// Parse the names of all accepted algorithms from the header.
	accepted := strings.Split(strings.ToLower(header), ",")

	// Find supported encoder by accepted list by precedence
	for _, name := range c.encodingPrecedence {
		if matchAcceptEncoding(accepted, name) {
			return name
		}
	}

	// No encoder found to match the accepted encoding
	return ""
}

// getEncoder returns a writer that encodes and writes to the provided writer, and a cleanup func.
func (c *Compressor) getEncoder(name string, w io.Writer) (io.WriteCloser, func()) {