refacto(labels): use external files

Files are more readable as external. Use "go:embed" to inject them.

generator/labels/help-template.md.tpl

@@ -0,0 +1,14 @@
+## {{ .KatenaryPrefix }}/{{ .Name }}
+
+{{ .Help.Short }}
+
+**Type**:  `{{ .Help.Type }}`
+
+{{ .Help.Long }}
+
+**Example:**
+
+```yaml
+{{ .Help.Example }}
+```
+

generator/labels/help-template.tpl

@@ -0,0 +1,9 @@
+{{ .KatenaryPrefix }}/{{ .Name }}: {{ .Help.Short }}
+Type: {{ .Help.Type }}
+
+{{ .Help.Long }}
+
+Example:
+
+{{ .Help.Example }}
+

generator/labels/katenaryLabels.go

@@ -42,6 +42,12 @@ var (
 
 	// parsed yaml
 	labelFullHelp map[string]Help
+
+	//go:embed help-template.tpl
+	helpTemplatePlain string
+
+	//go:embed help-template.md.tpl
+	helpTemplateMarkdown string
 )
 
 // Label is a katenary label to find in compose files.
@@ -95,9 +101,6 @@ func GetLabelHelpFor(labelname string, asMarkdown bool) string {
 	help.Example = strings.TrimPrefix(help.Example, "\n")
 	help.Short = strings.TrimPrefix(help.Short, "\n")
 
-	// get help template
-	helpTemplate := getHelpTemplate(asMarkdown)
-
 	if asMarkdown {
 		// enclose templates in backticks
 		help.Long = regexp.MustCompile(`\{\{(.*?)\}\}`).ReplaceAllString(help.Long, "`{{$1}}`")
@@ -110,6 +113,15 @@ func GetLabelHelpFor(labelname string, asMarkdown bool) string {
 		help.Long = utils.WordWrap(help.Long, 80)
 	}
 
+	// get help template
+	var helpTemplate string
+	switch asMarkdown {
+	case true:
+		helpTemplate = helpTemplateMarkdown
+	case false:
+		helpTemplate = helpTemplatePlain
+	}
+
 	var buf bytes.Buffer
 	template.Must(template.New("shorthelp").Parse(help.Long)).Execute(&buf, struct {
 		KatenaryPrefix string
@@ -207,29 +219,6 @@ func generateTableHeaderSeparator(maxNameLength, maxDescriptionLength, maxTypeLe
 	)
 }
 
-func getHelpTemplate(asMarkdown bool) string {
-	if asMarkdown {
-		return `## {{ .KatenaryPrefix }}/{{ .Name }}
-
-{{ .Help.Short }}
-
-**Type**: ` + "`" + `{{ .Help.Type }}` + "`" + `
-
-{{ .Help.Long }}
-
-**Example:**` + "\n\n```yaml\n" + `{{ .Help.Example }}` + "\n```\n"
-	}
-
-	return `{{ .KatenaryPrefix }}/{{ .Name }}: {{ .Help.Short }}
-Type: {{ .Help.Type }}
-
-{{ .Help.Long }}
-
-Example:
-{{ .Help.Example }}
-`
-}
-
 func Prefix() string {
 	return KatenaryLabelPrefix
 }