func renderFlameGraphAndWrite()

in pkg/display/graph/flamegraph/flamegraph.go [83:105]

• 20 lines of code
• 5 McCabe index (conditional complexity)

func renderFlameGraphAndWrite(path string, data map[string]interface{}) error {
	// render template
	var b bytes.Buffer
	tmpl, err := template.New("flameGraphTemplate").Parse(flameGraphHTML)
	if err != nil {
		return fmt.Errorf("failed to parse flame graph template: %v", err)
	}
	if err = tmpl.Execute(&b, data); err != nil {
		return fmt.Errorf("failed to render flame graph: %v", err)
	}

	// write to file
	file, err := os.Create(path)
	if err != nil {
		return fmt.Errorf("could not create the flame graph file, %v", err)
	}
	_, err = file.Write(b.Bytes())
	if err != nil {
		return fmt.Errorf("could not write the flame graph to file, %v", err)
	}
	logger.Log.Infof("success write the flame graph to: %s", path)
	return nil
}