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-# DiscordCommands
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+# DiscordCommands
+**1.0.0**
+
+Discord.js wrapper that helps you build your own Discord bot.
+
+Key features
+- command system
+- auto-generated help command
+- command permissions
+
+## Table of contents
+- [Getting started](#getting-started)
+    + [Installation](#installation)
+    + [Creating bot instance](#creating-bot-instance)
+- [Commands](#commands)
+    + [All parameters](#all-parameters)
+    + [Command function](#command-function)
+        * [Arguments](#arguments)
+        * [Return](#return)
+        * [Errors](#errors)
+    + [Command examples](#command-examples)
+        * [Simple reply](#simple-reply)
+        * [Arguments example](#arguments-example)
+
+## Getting started
+### Installation
+1. Install this package using npm
+```
+npm install discordcommands@latest
+```
+
+2. Add the following entry to your *package.json* file
+```json
+"type": "module"
+```
+
+3. Import the package
+```javascript
+import { Bot, Command } from 'discordcommands'
+```
+### Creating bot instance
+```javascript
+const bot = new Bot({
+    name: "Command bot", // Name of your bot
+    prefix: "!", // Prefix used to call commands
+    argumentSeparator: "," // Used to get arguments from message
+    helpCommand: true, // Enable or disable the *help* command (optional)
+    clientOptions: undefined, // Instance of ClientOptions from Discord.js
+    token: "" // Bot token from Discord Developer Portal (optional, you can pass the token in *start* method)
+});
+```
+
+Start your bot using
+```javascript
+bot.start();
+```
+Optional arguments for this method
+- **port** - *number* - if specified, the app will create a http server that will be listening on the specified port
+- **token** - *string* - app token from Discord Developer Portal
+## Commands
+> [!IMPORTANT]
+> All commands have to be declared above the *start* method
+### All parameters
+- name - *string* - command name (used to trigger the command)
+- function - *Function* - function that will trigger when the commands gets called
+- visible - *boolean* - show command in the *help message* (optional, defaults to *true*)
+- description - *string* - command description shown in the *help message* (optional)
+- usage - *string* - command usage description shown in the *help message* (optional)
+- permissions - *[PermissionResolvable](https://discord.js.org/#/docs/main/stable/typedef/PermissionResolvable)* - permissions needed to run the command (optional)
+- aliases - *string | string[]* - other words that can trigger the command with prefix (optional)
+- keywords - *string | string[]* - other words that can trigger the command without prefix (optional)
+### Command function
+#### Arguments
+- m - *[Message](https://discord.js.org/#/docs/main/stable/class/Message)* - a message object instance containing message content, author and additional informations
+- a - *string[]* - list of arguments passed with the message (separated with *argumentSeparator*)
+#### Return
+If command function returns
+- *string* - the returned text will be sent as a reply to the command caller
+- *[MessageEmbed](https://discord.js.org/#/docs/main/stable/class/MessageEmbed)* - the embedded content will be sent as a standalone message
+#### Errors
+If your command throws an error, it will get logged to the console and sent to the user in a message with embedded content. **The bot will not crash.**
+
+:::image type="content" source="assets/error_example.png" alt-text="Error message example":::
+
+### Command examples
+#### Simple reply
+1. Create a command
+```javascript
+//CREATE COMMAND
+const command = new Command({
+    name: "ping",
+    function: (m, a) => {
+        return 'pong';
+    }
+});
+//APPEND IT TO THE COMMANDS LIST
+bot.commands.add(command);
+```
+or
+```javascript
+bot.commands.add(new Command({
+    name: "ping",
+    function: (m, a) => {
+        return 'pong';
+    }
+}));
+```
+2. Call it from Discord text channel (example prefix: "!")
+```javascript
+!ping // replies "pong" with the user mention
+```
+#### Arguments example
+1. Create a command
+```javascript
+const command = new Command({
+    name: "repeat",
+    function: async (m, a) => {
+        if(a[0] && a[1]) {
+            const count = parseInt(a[1]);
+            if(!isNaN(count)) {
+                for(let i = 0; i < count; i++) {
+                    await m.channel.send(a[0]);
+                }
+                return `Repeated "${a[0]}" ${count} times`;
+            }
+            else {
+                throw new Error('Number of messages is incorrect');
+            }
+        }
+    }
+})
+```
+or
+```javascript
+bot.commands.add(new Command({
+    name: "repeat",
+    function: async (m, a) => {
+        if(a[0] && a[1]) {
+            const count = parseInt(a[1]);
+            if(!isNaN(count)) {
+                for(let i = 0; i < count; i++) {
+                    await m.channel.send(a[0]);
+                }
+                return `Repeated "${a[0]}" ${count} times`;
+            }
+            else {
+                throw new Error('Number of messages is incorrect');
+            }
+        }
+    }
+}));
+```
+2. Call it from Discord text channel (example prefix: "!", example separator: "," [default])
+```
+!repeat test, 5
+
+Result:
+test
+test
+test
+test
+test
+@caller, Repeated "test" 5 times
+```
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