tmpl/config/config.go

55 lines
1.1 KiB
Go

package config
import (
"fmt"
"io"
"os"
"strings"
"gopkg.in/yaml.v3"
)
// Config is a tmpl config
type Config struct {
Prompts []Prompt `yaml:"prompts"`
}
// PromptType is a type of prompt
type PromptType string
const (
PromptTypeInput PromptType = "input"
PromptTypeMultiline PromptType = "multi"
PromptTypeEditor PromptType = "editor"
PromptTypeConfirm PromptType = "confirm"
PromptTypeSelect PromptType = "select"
)
// Prompt is a tmpl prompt
type Prompt struct {
ID string `yaml:"id"`
Label string `yaml:"label"`
Help string `yaml:"help"`
Default string `yaml:"default"`
Options []string `yaml:"options"`
Type PromptType `yaml:"type"`
}
// Load loads a tmpl config
func Load(r io.Reader) (*Config, error) {
configBytes, err := io.ReadAll(r)
if err != nil {
return nil, err
}
configContents := os.Expand(string(configBytes), func(s string) string {
if strings.HasPrefix(s, "TMPL_PROMPT") {
return fmt.Sprintf("${%s}", s)
}
return os.Getenv(s)
})
var c Config
return &c, yaml.Unmarshal([]byte(configContents), &c)
}