dorfylegends/backend/templates/templates.go

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package templates
import (
"embed"
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"fmt"
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"html/template"
"io"
)
//go:embed *.html
var templateFS embed.FS
type Template struct {
funcMap template.FuncMap
templates *template.Template
}
func New(funcMap template.FuncMap) *Template {
templates := template.Must(template.New("").Funcs(funcMap).ParseFS(templateFS, "*.html"))
return &Template{
funcMap: funcMap,
templates: templates,
}
}
func NewDebug(funcMap template.FuncMap) *Template {
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ts := template.Must(template.New("").Funcs(funcMap).ParseGlob("templates/*.html"))
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return &Template{
funcMap: funcMap,
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templates: ts,
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}
}
var DebugTemplates = true
func (t *Template) Render(w io.Writer, name string, data interface{}) error {
if DebugTemplates {
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fmt.Println("RENDER", name)
tmpl := NewDebug(t.funcMap).templates
tmpl = template.Must(tmpl.ParseFiles("templates/" + name))
return tmpl.ExecuteTemplate(w, name, data)
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}
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tmpl := template.Must(t.templates.Clone())
tmpl = template.Must(tmpl.ParseFS(templateFS, name))
return tmpl.ExecuteTemplate(w, name, data)
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}