41 lines
808 B
Go
41 lines
808 B
Go
|
package config
|
||
|
|
|
||
|
|
import (
|
||
|
|
"os"
|
||
|
|
"strings"
|
||
|
|
)
|
||
|
|
|
||
|
|
// LoadEnv parses environment variables with the given prefix and returns
|
||
|
|
// them as a flat map with dot-notation keys.
|
||
|
|
//
|
||
|
|
// For example, with prefix "CORE_CONFIG_":
|
||
|
|
//
|
||
|
|
// CORE_CONFIG_FOO_BAR=baz -> {"foo.bar": "baz"}
|
||
|
|
// CORE_CONFIG_EDITOR=vim -> {"editor": "vim"}
|
||
|
|
func LoadEnv(prefix string) map[string]any {
|
||
|
|
result := make(map[string]any)
|
||
|
|
|
||
|
|
for _, env := range os.Environ() {
|
||
|
|
if !strings.HasPrefix(env, prefix) {
|
||
|
|
continue
|
||
|
|
}
|
||
|
|
|
||
|
|
parts := strings.SplitN(env, "=", 2)
|
||
|
|
if len(parts) != 2 {
|
||
|
|
continue
|
||
|
|
}
|
||
|
|
|
||
|
|
name := parts[0]
|
||
|
|
value := parts[1]
|
||
|
|
|
||
|
|
// Strip prefix and convert to dot notation
|
||
|
|
key := strings.TrimPrefix(name, prefix)
|
||
|
|
key = strings.ToLower(key)
|
||
|
|
key = strings.ReplaceAll(key, "_", ".")
|
||
|
|
|
||
|
|
result[key] = value
|
||
|
|
}
|
||
|
|
|
||
|
|
return result
|
||
|
|
}
|