func()

in internal/history/history.go [156:211]

• 47 lines of code
• 27 McCabe index (conditional complexity)

func (r *Release) ComponentsAndPackages() template.HTML {
	var buf strings.Builder

	// List components, if any.
	for i, comp := range r.Components {
		if len(r.Packages) == 0 {
			// No packages, so components are joined with more rules.
			switch {
			case i != 0 && len(r.Components) == 2:
				buf.WriteString(" and ")
			case i != 0 && len(r.Components) >= 3 && i != len(r.Components)-1:
				buf.WriteString(", ")
			case i != 0 && len(r.Components) >= 3 && i == len(r.Components)-1:
				buf.WriteString(", and ")
			}
		} else {
			// When there are packages, all components are comma-separated.
			if i != 0 {
				buf.WriteString(", ")
			}
		}
		buf.WriteString(string(comp))
	}

	// Join components and packages using a comma and/or "and" as needed.
	if len(r.Components) > 0 && len(r.Packages) > 0 {
		if len(r.Components)+len(r.Packages) >= 3 {
			buf.WriteString(",")
		}
		buf.WriteString(" and ")
	}

	// List packages, if any.
	if len(r.Packages) > 0 {
		buf.WriteString("the ")
	}
	for i, pkg := range r.Packages {
		switch {
		case i != 0 && len(r.Packages) == 2:
			buf.WriteString(" and ")
		case i != 0 && len(r.Packages) >= 3 && i != len(r.Packages)-1:
			buf.WriteString(", ")
		case i != 0 && len(r.Packages) >= 3 && i == len(r.Packages)-1:
			buf.WriteString(", and ")
		}
		buf.WriteString("<code>" + html.EscapeString(pkg) + "</code>")
	}
	switch {
	case len(r.Packages) == 1:
		buf.WriteString(" package")
	case len(r.Packages) >= 2:
		buf.WriteString(" packages")
	}

	return template.HTML(buf.String())
}