feat(commands): added basic command handler

config/default.json.example

@@ -1,4 +1,5 @@
 {
 	"token": "",
-	"logLevel": "info"
+	"logLevel": "",
+	"prefix": ""
 }

package.json

@@ -156,6 +156,16 @@
 				"license-header.txt"
 			],
 			"no-case-declarations": "off",
+			"keyword-spacing": ["error", {"overrides": {
+				"if": {
+					"before": false,
+					"after": false
+				},
+				"catch": {
+					"before": true,
+					"after": false
+				}
+			}}],
 			"@typescript-eslint/no-non-null-assertion": "off"
 		},
 		"reportUnusedDisableDirectives": true
@@ -186,6 +196,7 @@
 		"@": "dist",
 		"@src": "dist/src",
 		"@lib": "dist/src/lib",
-		"@utils": "dist/src/lib/utils/"
+		"@utils": "dist/src/lib/utils/",
+		"@structures": "dist/src/lib/structures"
 	}
 }

src/index.ts

@@ -23,10 +23,16 @@ import config from 'config';
 import chalk from 'chalk';
 import { Validator } from 'jsonschema';
 import { DateTime } from 'luxon';
-import { Client } from 'discord.js';
-import { debug, error, info, verbose } from '@utils/logger';
+import { Client, Collection } from 'discord.js';
+import { debug, error, fatal, info, verbose } from '@utils/logger';
 import { ELoggingScope } from '@utils/types';
 import { Defaults } from '@utils/defaults';
+import { walkDir } from '@utils/utils';
+
+import type Command from '@structures/command';
+
+let isBotReady = false;
+const commands: Collection<string, Command> = new Collection();
 
 info('Starting bot... Please wait!', ELoggingScope.Startup);
 debug('Checking config JSON schema', ELoggingScope.Startup);
@@ -62,11 +68,50 @@ const client = new Client({
 	intents: ['GUILDS', 'GUILD_MESSAGES'],
 });
 
-client.on('ready', () => {
+client.on('message', (msg) => {
+	if(!isBotReady) return;
+
+	if(msg.author.bot) return;
+	if(!msg.content.startsWith(config.get('prefix'))) return;
+
+	const args = msg.content.slice((config.get('prefix') as string).length).trim().split(/ +/);
+	const command = args.shift()!.toLowerCase();
+
+	const findCommand = commands.find((com) => com.options.name === command);
+
+	if(!findCommand) return;
+	else findCommand.run(msg, ...args);
+});
+
+client.on('ready', async () => {
+	info('Loading commands...', ELoggingScope.Startup);
+
+	try {
+		const files = await walkDir(`${__dirname}/commands`);
+
+		files?.forEach(async (file) => {
+			if(file.endsWith('js')) {
+				// eslint-disable-next-line @typescript-eslint/no-var-requires
+				const fileCommand = require(file).default;
+
+				const command = new fileCommand();
+
+				commands.set(command.options.name, command);
+
+				debug(`Loaded ${command.options.name}`, ELoggingScope.Startup);
+			}
+		});
+
+		info(`Finished loading commands! Found ${commands.size} commands.`, ELoggingScope.Startup);
+	} catch(err) {
+		fatal(`An error has occurred while attempting to load command files! Please see error below\n${err.message}`, ELoggingScope.Startup);
+	}
+
+	info('Bot is ready!', ELoggingScope.Startup);
 	debug(`Total number of Servers: ${client.guilds.cache.size}`, ELoggingScope.Startup);
 	debug(`Total number of Users: ${client.users.cache.size}`, ELoggingScope.Startup);
 
-	info('Bot is ready!', ELoggingScope.Startup);
+	isBotReady = true;
 });
 
 client.on('raw', (payload) => {

src/lib/structures/command.ts

@@ -0,0 +1,30 @@
+/*
+ * This file is part of ArgonBot
+ *
+ * ArgonBot is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * ArgonBot  is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with ArgonBot.  If not, see <https: //www.gnu.org/licenses/>.
+ */
+import type { Client, Message } from 'discord.js';
+import type { ICommandOptions } from '@utils/types';
+
+export default abstract class Command {
+	public readonly client: Client;
+	public readonly options: ICommandOptions
+
+	public constructor(client: Client, options: ICommandOptions) {
+		this.client = client;
+		this.options = options;
+	}
+
+	public abstract run(message: Message, ...args:string[]): void;
+}

src/lib/utils/defaults.ts

@@ -19,9 +19,7 @@ export const Defaults = {
 		logLevel: 'info',
 	},
 	configSchema: {
-		$id: 'http://example.com/example.json',
-		$schema: 'http://json-schema.org/draft-07/schema',
-		required: ['token', 'logLevel'],
+		required: ['token', 'logLevel', 'prefix'],
 		type: 'object',
 		properties: {
 			token: {
@@ -40,6 +38,10 @@ export const Defaults = {
 					'fatal',
 				],
 			},
+			prefix: {
+				$id: '#/properties/prefix',
+				type: 'string',
+			},
 		},
 		additionalProperties: false,
 	},

src/lib/utils/types.ts

@@ -23,5 +23,10 @@ export enum ELoggingScope {
 }
 
 // Interfaces
+export interface ICommandOptions {
+	name: string;
+	shortDescription: string;
+	extendedDescription: string;
+}
 
 // Type Aliases

src/lib/utils/utils.ts

@@ -0,0 +1,55 @@
+/*
+ * This file is part of ArgonBot
+ *
+ * ArgonBot is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * ArgonBot  is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with ArgonBot.  If not, see <https: //www.gnu.org/licenses/>.
+ */
+import fs from 'fs';
+import path from 'path';
+
+export const walkDir = async (dir: string): Promise<string[]> => {
+	let results: string[] = [];
+
+	return new Promise((resolve, reject) => {
+		fs.readdir(dir, (err, list) => {
+			if(err) return reject(err);
+
+			let pending = list.length;
+
+			if(!pending) return resolve(results);
+
+			list.forEach((file) => {
+				file = path.resolve(dir, file);
+
+				fs.stat(file, async (err, stat) => {
+					if(err) return reject(err);
+
+					if(stat && stat.isDirectory()) {
+						try {
+							const dir = await walkDir(file);
+
+							results = results.concat(dir as unknown as string);
+
+							if(!--pending) resolve(results);
+						} catch(err) {
+							reject(err);
+						}
+					} else {
+						results.push(file);
+						if(!--pending) resolve(results);
+					}
+				});
+			});
+		});
+	});
+};

tsconfig.json

@@ -65,6 +65,9 @@
 			],
 			"@utils/*": [
 				"src/lib/utils/*"
+			],
+			"@structures/*": [
+				"src/lib/structures/*"
 			]
 		}
 	},