notifiers: make url param optional

- note NotifierService.sendNotification() signature already declared
  'url' param as optional, but this change fixes some of the implementations
  that didn't respect the optionality.

src/notifiers/discord.ts

@@ -42,7 +42,7 @@ export class DiscordNotifier extends NotifierService {
                 },
               ],
               title: 'Click to proceed',
-              url,
+              ...(url ? { url } : {}),
             },
           ],
         },

src/notifiers/email.ts

@@ -36,7 +36,7 @@ export class EmailNotifier extends NotifierService {
         to: this.config.emailRecipientAddress,
         subject: `Epic Games free games needs an action performed`,
         html: `<p><b>epicgames-freegames-node</b>, reason: ${reason}, account: ${account}.</p>
-             <p>Link: <a href="${url}">${url}</a></p>`,
+             ${url ? `<p>Link: <a href="${url}">${url}</a></p>` : ''}`,
         textEncoding: 'base64', // Some email clients don't like the '=' in the URL when using quoted-printable?
       });
       L.debug(

src/notifiers/gotify.ts

@@ -18,21 +18,26 @@ export class GotifyNotifier extends NotifierService {
     const jsonPayload = {
       title: `Epic Games free games needs an action performed`,
       /**
-       * ATTENTION: these are markdown, to make it breaking lines correctly, there is two spaces at the end of line and before the retrun
+       * ATTENTION: these are markdown; to make lines break correctly, there
+       *            are two spaces at the end of line and before the retrun
        */
       message: `* Reason: ${reason}  
 * Account: ${account}  
-* URL: [${url}](${url})`,
+${url ? `* URL: [${url}](${url})` : ''}`,
       priority: this.config.priority,
       extras: {
         'client::display': {
           contentType: 'text/markdown',
         },
-        'client::notification': {
-          click: {
-            url,
-          },
-        },
+        ...(url
+          ? {
+              'client::notification': {
+                click: {
+                  url,
+                },
+              }
+            }
+          : {}),
       },
     };
 

src/notifiers/homeassistant.ts

@@ -23,8 +23,7 @@ export class HomeassistantNotifier extends NotifierService {
           title: `Action request from Epic Games`,
           message: `epicgames needs an action performed. Reason: ${reason} {{ '\n' -}} Link: ${url}`,
           data: {
-            url,
-            clickAction: url,
+            ...(url ? { url, clickAction: url } : {}),
             ...(this.config.customData ?? {}),
           },
         },

src/notifiers/ntfy.ts

@@ -25,8 +25,8 @@ export class NtfyNotifier extends NotifierService {
             Title: 'epicgames-freegames-node needs an action performed',
             Priority: this.config.priority,
             Tags: 'closed_lock_with_key',
-            Click: url,
             Authorization: `Bearer ${this.config.token}`,
+            ...(url ? { Click: url } : {}),
           },
           responseType: 'text',
         },

src/notifiers/pushover.ts

@@ -23,7 +23,7 @@ export class PushoverNotifier extends NotifierService {
           token: this.config.token,
           user: this.config.userKey,
           message: `epicgames-freegames-node needs an action performed. Reason: ${reason}`,
-          url,
+          ...(url ? { url } : {}),
         },
         {
           responseType: 'json',

src/notifiers/slack.ts

@@ -20,7 +20,7 @@ export class SlackNotifier extends NotifierService {
       await axios.post(
         this.config.webhookUrl,
         {
-          text: `epicgames-freegames-node needs an action performed. \nReason: ${reason} \nAccount: ${account} \nURL: ${url}`,
+          text: `epicgames-freegames-node needs an action performed. \nReason: ${reason} \nAccount: ${account}${url ? ` \nURL: ${url}` : ''}`,
         },
         {
           responseType: 'text',

src/notifiers/webhook.ts

@@ -22,7 +22,7 @@ export class WebhookNotifier extends NotifierService {
         {
           account,
           reason,
-          url,
+          ...(url ? { url } : {}),
         },
         {
           responseType: 'json',