62 lines
1.1 KiB
Go
62 lines
1.1 KiB
Go
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package dotenv
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import (
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"bytes"
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"fmt"
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"sort"
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"strings"
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"github.com/subosito/gotenv"
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)
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const keyDelimiter = "_"
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// Codec implements the encoding.Encoder and encoding.Decoder interfaces for encoding data containing environment variables
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// (commonly called as dotenv format).
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type Codec struct{}
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func (Codec) Encode(v map[string]interface{}) ([]byte, error) {
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flattened := map[string]interface{}{}
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flattened = flattenAndMergeMap(flattened, v, "", keyDelimiter)
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keys := make([]string, 0, len(flattened))
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for key := range flattened {
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keys = append(keys, key)
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}
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sort.Strings(keys)
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var buf bytes.Buffer
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for _, key := range keys {
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_, err := buf.WriteString(fmt.Sprintf("%v=%v\n", strings.ToUpper(key), flattened[key]))
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if err != nil {
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return nil, err
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}
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}
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return buf.Bytes(), nil
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}
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func (Codec) Decode(b []byte, v map[string]interface{}) error {
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var buf bytes.Buffer
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_, err := buf.Write(b)
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if err != nil {
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return err
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}
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env, err := gotenv.StrictParse(&buf)
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if err != nil {
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return err
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}
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for key, value := range env {
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v[key] = value
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}
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return nil
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}
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