Create command-base.js

Episode 16/commands/command-base.js

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+const { prefix } = require('../config.json') // For Prefix
+
+const validatePermissions = (permissions) => {
+  const validPermissions = [
+    'CREATE_INSTANT_INVITE',
+    'KICK_MEMBERS',
+    'BAN_MEMBERS',
+    'ADMINISTRATOR',
+    'MANAGE_CHANNELS',
+    'MANAGE_GUILD',
+    'ADD_REACTIONS',
+    'VIEW_AUDIT_LOG',
+    'PRIORITY_SPEAKER',
+    'STREAM',
+    'VIEW_CHANNEL',
+    'SEND_MESSAGES',
+    'SEND_TTS_MESSAGES',
+    'MANAGE_MESSAGES',
+    'EMBED_LINKS',
+    'ATTACH_FILES',
+    'READ_MESSAGE_HISTORY',
+    'MENTION_EVERYONE',
+    'USE_EXTERNAL_EMOJIS',
+    'VIEW_GUILD_INSIGHTS',
+    'CONNECT',
+    'SPEAK',
+    'MUTE_MEMBERS',
+    'DEAFEN_MEMBERS',
+    'MOVE_MEMBERS',
+    'USE_VAD',
+    'CHANGE_NICKNAME',
+    'MANAGE_NICKNAMES',
+    'MANAGE_ROLES',
+    'MANAGE_WEBHOOKS',
+    'MANAGE_EMOJIS',
+  ]
+
+  for (const permission of permissions) {
+    if (!validPermissions.includes(permission)) {
+      throw new Error(`Unknown permission node "${permission}"`)
+    }
+  }
+} // For Permissions Of A Member
+
+module.exports = (client, commandOptions) => {
+  let {
+    commands, // For Command Name
+    expectedArgs = '', // For Usage Of Command
+    permissionError = 'You Dont Have Permission To Use This Command.', // Permission Error
+    minArgs = 0,
+    maxArgs = null,
+    permissions = [], // Permission A Member Needs A Use Command
+    requiredRoles = [], // Role A Member Needs To Use Command
+    callback,
+  } = commandOptions
+
+  if (!commands) {
+    return
+  }
+
+  // If A Command Is An Array
+  if (typeof commands === 'string') {
+    commands = [commands]
+  }
+
+  console.log(`Command Loaded:- ${commands[0]}`) // Command Loaded/Started
+
+  // If Member Has Correct Permissions to Use Command
+  if (permissions.length) {
+    if (typeof permissions === 'string') {
+      permissions = [permissions]
+    }
+
+    validatePermissions(permissions)
+  }
+
+  client.on('message', (message) => {
+    const { member, content, guild } = message
+
+    for (const alias of commands) {
+      const command = `${prefix}${alias.toLowerCase()}`
+
+      if (
+        content.toLowerCase().startsWith(`${command} `) ||
+        content.toLowerCase() === command
+      ) {
+
+        // Member Has Required Permission to Use Command
+        for (const permission of permissions) {
+          if (!member.hasPermission(permission)) {
+            message.reply(permissionError)
+            return
+          }
+        }
+
+        // Member Has Required Role To Use Command
+        for (const requiredRole of requiredRoles) {
+          const role = guild.roles.cache.find(
+            (role) => role.name === requiredRole
+          )
+
+          if (!role || !member.roles.cache.has(role.id)) {
+            message.reply(
+              `You must have the "${requiredRole}" role to use this command.`
+            )
+            return
+          }
+        }
+
+        const arguments = content.split(/[ ]+/)
+
+        arguments.shift()
+
+        // Command Has Correct Arguments
+        if (
+          arguments.length < minArgs ||
+          (maxArgs !== null && arguments.length > maxArgs)
+        ) {
+          message.reply(
+            `Incorrect Command Used! Use ${prefix}${alias} ${expectedArgs}`
+          )
+          return
+        }
+
+        callback(message, arguments, arguments.join(' '), client)
+
+        return
+      }
+    }
+  })
+}