/
render.go
64 lines (55 loc) · 1.32 KB
/
render.go
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package render
import (
"html/template"
"io/fs"
"path/filepath"
"strings"
"github.com/gin-gonic/gin"
"github.com/gin-gonic/gin/render"
)
type Render map[string]*template.Template
var (
_ render.HTMLRender = Render{}
)
func New() Renderer {
if gin.IsDebugging() {
return NewDebug()
}
return make(Render)
}
func (r Render) Add(name string, tmpl *template.Template) {
if tmpl == nil {
panic("template can not be nil")
}
if len(name) == 0 {
panic("template name cannot be empty")
}
if _, ok := r[name]; ok {
//panic(fmt.Sprintf("template %s already exists", name))
return
}
r[name] = tmpl
}
func (r Render) AddFromFS(fs fs.FS, name string, files ...string) *template.Template {
tmpl := template.Must(template.ParseFS(fs, files...))
r.Add(name, tmpl)
return tmpl
}
func (r Render) AddFromFSFuncs(fs fs.FS, name string, funcMap template.FuncMap, files ...string) *template.Template {
tname := filepath.Base(files[0])
tmpl := template.Must(template.New(tname).Funcs(funcMap).ParseFS(fs, files...))
r.Add(name, tmpl)
return tmpl
}
func (r Render) Instance(name string, data interface{}) render.Render {
if strings.Index(name, "/") > 0 {
name = "/" + name
}
if _, ok := r[name]; !ok {
panic("Template Error: view " + name + " not found.")
}
return render.HTML{
Template: r[name],
Data: data,
}
}