Rollback "command-exists-promise" as it is not working

server/monitor-types/real-browser-monitor-type.js

@@ -2,13 +2,13 @@ const { MonitorType } = require("./monitor-type");
 const { chromium } = require("playwright-core");
 const { UP, log } = require("../../src/util");
 const { Settings } = require("../settings");
-const commandExists = require("command-exists-promise");
 const childProcess = require("child_process");
 const path = require("path");
 const Database = require("../database");
 const jwt = require("jsonwebtoken");
 const config = require("../config");
 const { RemoteBrowser } = require("../remote-browser");
+const { commandExists } = require("../util-server");
 
 /**
  * Cached instance of a browser

server/notification.js

@@ -77,6 +77,7 @@ const SendGrid = require("./notification-providers/send-grid");
 const YZJ = require("./notification-providers/yzj");
 const SMSPlanet = require("./notification-providers/sms-planet");
 const SpugPush = require("./notification-providers/spugpush");
+const { commandExists } = require("./util-server");
 
 class Notification {
 
@@ -262,7 +263,6 @@ class Notification {
      * @returns {Promise<boolean>} Does the command apprise exist?
      */
     static async checkApprise() {
-        const commandExists = require("command-exists-promise");
         return await commandExists("apprise");
     }
 

server/util-server.js

@@ -1096,3 +1096,19 @@ module.exports.axiosAbortSignal = (timeoutMs) => {
         }
     }
 };
+
+/**
+ * By default, command-exists will throw a null error if the command does not exist, which is ugly. The function makes it better.
+ * Read more: https://github.com/mathisonian/command-exists/issues/22
+ * @param {string} command Command to check
+ * @returns {Promise<boolean>} True if command exists, false otherwise
+ */
+async function commandExists(command) {
+    try {
+        await require("command-exists")(command);
+        return true;
+    } catch (e) {
+        return false;
+    }
+}
+module.exports.commandExists = commandExists;