lookbook/vendor/github.com/mfridman/interpolate/env.go
soup fc625fb9cf
Initial lookbook implementation
Pinterest-style visual bookmarking app with:
- URL metadata extraction (OG/Twitter meta, oEmbed fallback)
- Image caching in Postgres with 480px thumbnails
- Multi-tag filtering with Ctrl/Cmd for OR mode
- Fuzzy tag suggestions and inline tag editing
- Browser console auth() with first-use password setup
- Brutalist UI with Commit Mono font and Pico CSS
- Light/dark mode via browser preference
2026-01-16 21:14:23 -05:00

53 lines
1.1 KiB
Go

package interpolate
import (
"runtime"
"strings"
)
// Env is an interface for getting environment variables by name and returning a boolean indicating
// whether the variable was found.
type Env interface {
Get(key string) (string, bool)
}
// NewSliceEnv creates an Env from a slice of environment variables in the form "key=value".
//
// This can be used with [os.Environ] to create an Env.
func NewSliceEnv(env []string) Env {
envMap := mapEnv{}
for _, l := range env {
parts := strings.SplitN(l, "=", 2)
if len(parts) == 2 {
envMap[normalizeKeyName(parts[0])] = parts[1]
}
}
return envMap
}
// NewMapEnv creates an Env from a map of environment variables.
func NewMapEnv(env map[string]string) Env {
envMap := mapEnv{}
for k, v := range env {
envMap[normalizeKeyName(k)] = v
}
return envMap
}
type mapEnv map[string]string
func (m mapEnv) Get(key string) (string, bool) {
if m == nil {
return "", false
}
val, ok := m[normalizeKeyName(key)]
return val, ok
}
// Windows isn't case sensitive for env
func normalizeKeyName(key string) string {
if runtime.GOOS == "windows" {
return strings.ToUpper(key)
}
return key
}