fix

src/index.ts

@@ -7,14 +7,16 @@ export default defineHook(({ filter }, { services, getSchema, env }) => {
 
 	filter('email.send', async (input: any) => {
 
-		if (['password-reset', 'user-invitation', 'user-registration'].includes(input.template.name)) {
+		const templateName = input.template.name;
+
+		if (['password-reset', 'user-invitation', 'user-registration'].includes(templateName)) {
 
 			// take IP from the server this script is running on
 			const systemIp = ip.address();
 
 			// pull in any subject translation form the environment variable I18N_EMAIL_SUBJECTS (scheme: {"de": {"password-reset": "Passwort zurücksetzen", ...}, ...})
 			// TODO: Could also become a setting somewhere in the Directus app as an alternative to the environment variable
-			const i18nEmailSubjects = JSON.parse(env.I18N_EMAIL_SUBJECTS);
+			const i18nEmailSubjects = JSON.parse(env.I18N_EMAIL_SUBJECTS) || {};
 
 			// preparing the accountability object to be able searching directus users with admin rights
 			// this includes a lot of empty props, which is necessary to match the type of the accountability object
@@ -40,10 +42,10 @@ export default defineHook(({ filter }, { services, getSchema, env }) => {
 			const lang = response[0].language?.split('-')[0] ? response[0].language.split('-')[0] : defaultLang;
 
 			// override the subject with the translation from the environment variable (if available)
-			input.subject = i18nEmailSubjects[lang][input.template.name] || input.subject;
+			input.subject = i18nEmailSubjects[lang] && i18nEmailSubjects[lang][templateName] ? i18nEmailSubjects[lang][templateName] : input.subject;
 			// override template for non-default languages
 			if (lang !== defaultLang) {
-				input.template.name = input.template.name + '-' + lang;
+				input.template.name = templateName + '-' + lang;
 			}
 
     }