verless/tpl/tpl.go at ci · dominikbraun/verless

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package tpl

import (

"errors"

"fmt"

"text/template"

)

var (

templates map[string]*template.Template

ErrAlreadyRegistered = errors.New("template has already been registered")

)

func Register(key string, path string) (*template.Template, error) {

if templates == nil {

templates = make(map[string]*template.Template)

}

if _, exists := templates[key]; exists {

return nil, ErrAlreadyRegistered

}

tpl, err := template.ParseFiles(path)

if err != nil {

return nil, err

}

templates[key] = tpl

return templates[key], nil

}

func Get(key string) (*template.Template, error) {

if templates == nil {

templates = make(map[string]*template.Template)

}

if _, exists := templates[key]; !exists {

return nil, fmt.Errorf("template %s has not been registered", key)

}

return templates[key], nil

}

func IsRegistered(key string) bool {

_, exists := templates[key]

return exists

}