Function deriveAPIKeyEnvName

internal/providers/providers.go:118–136

deriveAPIKeyEnvName builds a valid env-var name from an endpoint name by upper-casing it, replacing any character that is not a letter or digit with an underscore, and appending "_API_KEY".

(endpointName string)

// upper-casing it, replacing any character that is not a letter or digit with
// an underscore, and appending "_API_KEY".
func deriveAPIKeyEnvName(endpointName string) string {
	var b strings.Builder
	for _, r := range strings.ToUpper(strings.TrimSpace(endpointName)) {
		switch {
		case r >= 'A' && r <= 'Z', r >= '0' && r <= '9':
			b.WriteRune(r)
		default:
			b.WriteByte('_')
		}
	}
	name := b.String()
	if name == "" {
		return "API_KEY"
	}
	if name[0] >= '0' && name[0] <= '9' {
		name = "_" + name
	}
	return name + "_API_KEY"
}

// MaskedAPIKey returns a redacted form suitable for display.
func MaskedAPIKey(key string) string {