/
readJson.go
55 lines (50 loc) · 1.13 KB
/
readJson.go
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package utils
import (
"encoding/json"
"io"
"os"
)
// Read json file into []byte.
func ReadJsonBytes(path string) ([]byte, error) {
jsonFile, err := os.Open(path)
if err != nil {
return nil, err
}
defer jsonFile.Close()
byteValue, err := io.ReadAll(jsonFile)
return byteValue, err
}
// Read json file into []byte and convert into string.
func ReadJsonString(path string) (string, error) {
jsonFile, err := os.Open(path)
if err != nil {
return "", err
}
defer jsonFile.Close()
byteValue, err := io.ReadAll(jsonFile)
return string(byteValue), err
}
// Read json file into []byte and unmarshal into []string.
func ReadJsonSlice(path string) ([]string, error) {
jsonFile, err := os.Open(path)
if err != nil {
return nil, err
}
defer jsonFile.Close()
byteValue, err := io.ReadAll(jsonFile)
if err != nil {
return nil, err
}
var slice []string
err = json.Unmarshal([]byte(byteValue), &slice)
return slice, err
}
// Read json file into []byte and unmarshal into v.
func ReadJson(path string, v any) error {
bytes, err := ReadJsonBytes(path)
if err != nil {
return err
}
err = json.Unmarshal(bytes, v)
return err
}