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loader.go
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loader.go
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package template
import (
"embed"
"io/fs"
"path/filepath"
"text/template"
)
var (
rootDir = "generate"
//go:embed generate/*
files embed.FS
templates map[string]*template.Template
)
func GetTemplate(path string) (*template.Template, error) {
if templates == nil {
templates = make(map[string]*template.Template)
}
if templates[path] == nil {
parsedTemplate, err := template.ParseFS(files, rootDir+"/"+path)
if err != nil {
return nil, err
}
templates[path] = parsedTemplate
}
return templates[path], nil
}
func getAllFilenames() ([]string, error) {
return getFilenamesIn(rootDir)
}
func getFilenamesIn(rootDir string) ([]string, error) {
entries := make([]string, 0)
if err := fs.WalkDir(files, rootDir, func(fileName string, d fs.DirEntry, err error) error {
if err != nil {
return err
}
if d.IsDir() {
return nil
}
relativePath, err := filepath.Rel(rootDir, fileName)
if err != nil {
return err
}
entries = append(entries, relativePath)
return nil
}); err != nil {
return nil, err
}
return entries, nil
}