Files
fx-serverless/packer/rules.go

35 lines
698 B
Go

package packer
import (
"fmt"
"path/filepath"
)
// ExtLangMapping file extension mapping with programming language
var ExtLangMapping = map[string]string{
".js": "node",
".go": "go",
".rb": "ruby",
".py": "python",
".php": "php",
".jl": "julia",
".java": "java",
".d": "d",
".rs": "rust",
".pl": "perl",
".cr": "crystal",
}
func langFromFileName(fileName string) (string, error) {
if fileName == "" {
return "", fmt.Errorf("file name should not be empty")
}
ext := filepath.Ext(fileName)
lang, ok := ExtLangMapping[ext]
if !ok {
return "", fmt.Errorf("could not find corresponse programming language for file extension %s", ext)
}
return lang, nil
}