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Add func "LoadString" #75

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Add func "LoadString" #75

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24 changes: 23 additions & 1 deletion godotenv.go
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Original file line number Diff line number Diff line change
Expand Up @@ -50,6 +50,28 @@ func Load(filenames ...string) (err error) {
return
}

// LoadString will read your string like env file(s) and load them into ENV for this process.
//
// Call this function as close as possible to the start of your program (ideally in main)
//
// You can to override an env variable if you want using overload value.
func LoadString(envString string, overload bool) (err error) {
currentEnv := map[string]bool{}
rawEnv := os.Environ()
for _, rawEnvLine := range rawEnv {
key := strings.Split(rawEnvLine, "=")[0]
currentEnv[key] = true
}

loadedEnv, _ := Unmarshal(envString)
for key, value := range loadedEnv {
if !currentEnv[key] || overload {
os.Setenv(key, value)
}
}
return
}

// Overload will read your env file(s) and load them into ENV for this process.
//
// Call this function as close as possible to the start of your program (ideally in main)
Expand Down Expand Up @@ -258,7 +280,7 @@ func parseLine(line string, envMap map[string]string) (key string, value string,
}
key = strings.TrimSpace(key)

re := regexp.MustCompile(`^\s*(?:export\s+)?(.*?)\s*$`)
re := regexp.MustCompile(`^\s*(?:export\s+)?(.*?)\s*$`)
key = re.ReplaceAllString(splitString[0], "$1")

// Parse the value
Expand Down