refactor: add eslint and prettier integration and apply their suggested changes

.prettierrc.json

@@ -0,0 +1,5 @@
+{
+  "semi": true,
+  "singleQuote": true,
+  "trailingComma": "none"
+}

bin/deletecmd.ts

@@ -1,14 +1,14 @@
 require('dotenv').config();
-import { Routes, REST } from "discord.js";
-import logger from "../src/utilities/Logger";
+import { Routes, REST } from 'discord.js';
+import logger from '../src/utilities/Logger';
 const cmdToDelete = '1478498588362277006';
 
 const rest = new REST({ version: '10' }).setToken(process.env.BOT_TOKEN!);
 
 try {
   logger.info(`Attempting to delete the command /${cmdToDelete} ...`);
   rest.delete(Routes.applicationCommand(process.env.APP_ID!, cmdToDelete));
-  logger.info('... Successfully deleted the command')
+  logger.info('... Successfully deleted the command');
 } catch (err) {
   throw err;
-}
+}

bin/registercmds.ts

@@ -1,8 +1,8 @@
-import { Routes, REST } from "discord.js";
-import { readdirSync } from "fs";
+import { Routes, REST } from 'discord.js';
+import { readdirSync } from 'fs';
 import path from 'path';
-import SlashCommand from "../src/structures/SlashCommand";
-import logger from "../src/utilities/Logger";
+import SlashCommand from '../src/structures/SlashCommand';
+import logger from '../src/utilities/Logger';
 require('dotenv').config();
 const commandDirectory = './src/commands/';
 
@@ -15,29 +15,36 @@ for (const file of commandFiles) {
   const command = require(fullPath);
   const Module = new command.default();
   if (!(Module instanceof SlashCommand)) continue;
-  const isGlobal = Module.isGlobalCommand();
-  const commandData = Module.getData();
-  if (isGlobal) {
-    globalCommandArray.push(commandData.toJSON());
+  if (Module.isGlobalCommand) {
+    globalCommandArray.push(Module.data.toJSON());
   } else {
-    commandArray.push(commandData.toJSON());
+    commandArray.push(Module.data.toJSON());
   }
 }
 
 const rest = new REST({ version: '10' }).setToken(process.env.BOT_TOKEN!);
 
 try {
-  logger.info(`Attempting to register ${commandArray.length} server commands...`);
-  rest.put(Routes.applicationGuildCommands(process.env.APP_ID!, process.env.GUILD_ID!), { body: commandArray });
+  logger.info(
+    `Attempting to register ${commandArray.length} server commands...`
+  );
+  rest.put(
+    Routes.applicationGuildCommands(process.env.APP_ID!, process.env.GUILD_ID!),
+    { body: commandArray }
+  );
   logger.info('Successfully registered commands!');
 } catch (err) {
   throw err;
 }
 
 try {
-  logger.info(`Attempting to register ${globalCommandArray.length} global commands...`);
-  rest.put(Routes.applicationCommands(process.env.APP_ID!), { body: globalCommandArray });
+  logger.info(
+    `Attempting to register ${globalCommandArray.length} global commands...`
+  );
+  rest.put(Routes.applicationCommands(process.env.APP_ID!), {
+    body: globalCommandArray
+  });
   logger.info('Successfully registered commands!');
 } catch (err) {
   throw err;
-}
+}

eslint.config.mjs

@@ -0,0 +1,193 @@
+import typescriptEslint from '@typescript-eslint/eslint-plugin'
+import stylistic from '@stylistic/eslint-plugin'
+import tsParser from '@typescript-eslint/parser'
+import globals from 'globals'
+
+export default [
+  {
+    files: ['src/**/*.ts'],
+
+    plugins: {
+      '@typescript-eslint': typescriptEslint,
+      '@stylistic': stylistic
+    },
+
+    languageOptions: {
+      globals: {
+        ...globals.node
+      },
+
+      parser: tsParser,
+      ecmaVersion: 13,
+      sourceType: 'module',
+
+      parserOptions: {
+        ecmaFeatures: {
+          impliedStrict: true
+        },
+
+        project: ['./tsconfig.json']
+      }
+    },
+
+    rules: {
+      '@typescript-eslint/array-type': [
+        'error',
+        {
+          default: 'array',
+          readonly: 'array'
+        }
+      ],
+
+      '@typescript-eslint/await-thenable': 'error',
+      '@typescript-eslint/ban-ts-comment': 'error',
+      '@typescript-eslint/ban-tslint-comment': 'error',
+      '@typescript-eslint/class-literal-property-style': ['error', 'fields'],
+      '@stylistic/comma-dangle': ['error'],
+      '@typescript-eslint/consistent-indexed-object-style': ['error', 'record'],
+      '@typescript-eslint/consistent-type-imports': [
+        'error',
+        {
+          fixStyle: 'inline-type-imports',
+        },
+      ],
+      '@typescript-eslint/consistent-type-exports': 'error',
+      '@typescript-eslint/explicit-function-return-type': 'error',
+      '@stylistic/keyword-spacing': 'error',
+      '@stylistic/member-delimiter-style': 'error',
+      '@typescript-eslint/method-signature-style': ['error', 'property'],
+      '@typescript-eslint/no-array-constructor': 'error',
+      '@typescript-eslint/no-dupe-class-members': 'error',
+      '@typescript-eslint/no-empty-interface': 'error',
+      '@typescript-eslint/no-extra-non-null-assertion': 'error',
+      '@stylistic/no-extra-parens': 'error',
+      '@stylistic/no-extra-semi': 'error',
+      '@typescript-eslint/no-extraneous-class': 'error',
+      '@typescript-eslint/no-loss-of-precision': 'error',
+
+      '@typescript-eslint/no-misused-promises': [
+        'error',
+        {
+          checksConditionals: true,
+          checksVoidReturn: false
+        }
+      ],
+
+      '@typescript-eslint/no-non-null-asserted-nullish-coalescing': 'error',
+      '@typescript-eslint/no-this-alias': 'error',
+      '@typescript-eslint/only-throw-error': 'error',
+      '@typescript-eslint/no-unnecessary-type-assertion': 'error',
+      '@typescript-eslint/no-unnecessary-type-constraint': 'error',
+      '@typescript-eslint/no-useless-empty-export': 'error',
+      '@typescript-eslint/non-nullable-type-assertion-style': 'error',
+      '@stylistic/object-curly-spacing': ['error', 'always'],
+      '@typescript-eslint/prefer-for-of': 'error',
+      '@typescript-eslint/prefer-includes': 'error',
+      '@typescript-eslint/prefer-literal-enum-member': 'error',
+      '@typescript-eslint/prefer-optional-chain': 'error',
+      '@typescript-eslint/prefer-reduce-type-parameter': 'error',
+      '@typescript-eslint/prefer-return-this-type': 'error',
+      '@typescript-eslint/require-array-sort-compare': 'error',
+      '@typescript-eslint/restrict-plus-operands': 'error',
+      '@stylistic/semi': ['error', 'always'],
+      '@stylistic/semi-spacing': 'error',
+      '@stylistic/space-before-blocks': 'error',
+      '@stylistic/type-annotation-spacing': 'error',
+
+      '@typescript-eslint/typedef': [
+        'error',
+        {
+          memberVariableDeclaration: true,
+          parameter: true,
+          propertyDeclaration: true,
+          variableDeclaration: false
+        }
+      ],
+
+      '@typescript-eslint/unified-signatures': 'error',
+      'block-scoped-var': 'error',
+      'block-spacing': 'error',
+      camelcase: 'error',
+      'comma-style': 'error',
+      'default-case-last': 'error',
+      'dot-notation': 'error',
+      'generator-star-spacing': 'error',
+      'getter-return': 'error',
+      'implicit-arrow-linebreak': 'error',
+      indent: ['error', 2],
+      'key-spacing': 'error',
+      'new-parens': 'error',
+      'no-alert': 'error',
+      'no-class-assign': 'error',
+      'no-const-assign': 'error',
+      'no-constructor-return': 'error',
+      'no-control-regex': 'error',
+      'no-delete-var': 'error',
+      'no-dupe-args': 'error',
+      'no-dupe-else-if': 'error',
+      'no-dupe-keys': 'error',
+      'no-duplicate-case': 'error',
+      'no-else-return': 'error',
+      'no-empty-pattern': 'error',
+      'no-eval': 'error',
+      'no-ex-assign': 'error',
+      'no-extend-native': 'error',
+      'no-fallthrough': 'error',
+      'no-func-assign': 'error',
+      'no-global-assign': 'error',
+      'no-import-assign': 'error',
+      'no-inner-declarations': 'error',
+      'no-invalid-regexp': 'error',
+      'no-label-var': 'error',
+      'no-lonely-if': 'error',
+      'no-mixed-spaces-and-tabs': 'error',
+      'no-new': 'error',
+      'no-new-func': 'error',
+      'no-new-object': 'error',
+      'no-new-symbol': 'error',
+      'no-new-wrappers': 'error',
+      'no-nonoctal-decimal-escape': 'error',
+      'no-obj-calls': 'error',
+      'no-prototype-builtins': 'error',
+
+      'no-return-assign': 'error',
+      'no-self-assign': 'error',
+      'no-setter-return': 'error',
+      'no-shadow-restricted-names': 'error',
+      'no-sparse-arrays': 'error',
+      'no-template-curly-in-string': 'error',
+      'no-undef-init': 'error',
+      'no-unneeded-ternary': 'error',
+      'no-unreachable': 'error',
+      'no-unsafe-optional-chaining': 'error',
+      'no-unused-labels': 'error',
+      'no-useless-call': 'error',
+      'no-useless-catch': 'error',
+      'no-useless-computed-key': 'error',
+      'no-useless-concat': 'error',
+      'no-useless-escape': 'error',
+      'no-useless-rename': 'error',
+      'no-useless-return': 'error',
+      'no-var': 'error',
+      'no-whitespace-before-property': 'error',
+      'no-with': 'error',
+      'object-shorthand': 'error',
+      'operator-assignment': 'error',
+      'prefer-arrow-callback': 'error',
+      'prefer-const': 'error',
+      'prefer-exponentiation-operator': 'error',
+      'prefer-object-has-own': 'error',
+      'prefer-promise-reject-errors': 'error',
+      'prefer-rest-params': 'error',
+      'prefer-spread': 'error',
+      'prefer-template': 'error',
+      'require-yield': 'error',
+      strict: 'error',
+      'switch-colon-spacing': 'error',
+      'template-curly-spacing': 'error',
+      'use-isnan': 'error',
+      'valid-typeof': 'error',
+      'yield-star-spacing': 'error'
+    }
+  }
+]