Method writeHeader

lambdaurl/http_handler.go:72–81

(statusCode int, initialPayload []byte)

}

func (w *httpResponseWriter) writeHeader(statusCode int, initialPayload []byte) {
	w.once.Do(func() {
		if w.detectContentType {
			if w.Header().Get("Content-Type") == "" {
				w.Header().Set("Content-Type", detectContentType(initialPayload))
			}
		}
		w.ready <- header{code: statusCode, header: w.header}
	})
}

func detectContentType(p []byte) string {
	// http.DetectContentType returns "text/plain; charset=utf-8" for nil and zero-length byte slices.