docs: replace all occurances of node-opus with @discordjs/opus (#3698)

* docs: replace all occurances of node-opus with @discordjs/opus

* chore: leave in node-opus in case not everyone switched

.github/CONTRIBUTING.md

@@ -11,7 +11,7 @@ To get ready to work on the codebase, please do the following:
 
 1. Fork & clone the repository, and make sure you're on the **master** branch
 2. Run `npm install`
-3. If you're working on voice, also run `npm install node-opus` or `npm install opusscript`
+3. If you're working on voice, also run `npm install @discordjs/opus` or `npm install opusscript`
 4. Code your heart out!
 5. Run `npm test` to run ESLint and ensure any JSDoc changes are valid
 6. [Submit a pull request](https://github.com/discordjs/discord.js/compare)

README.md

@@ -42,13 +42,13 @@ discord.js is a powerful [Node.js](https://nodejs.org) module that allows you to
 Ignore any warnings about unmet peer dependencies, as they're all optional.
 
 Without voice support: `npm install discordjs/discord.js`  
-With voice support ([node-opus](https://www.npmjs.com/package/node-opus)): `npm install discordjs/discord.js node-opus`  
+With voice support ([@discordjs/opus](https://www.npmjs.com/package/@discordjs/opus)): `npm install discordjs/discord.js @discordjs/opus`  
 With voice support ([opusscript](https://www.npmjs.com/package/opusscript)): `npm install discordjs/discord.js opusscript`
 
 ### Audio engines
-The preferred audio engine is node-opus, as it performs significantly better than opusscript. When both are available, discord.js will automatically choose node-opus.
-Using opusscript is only recommended for development environments where node-opus is tough to get working.
-For production bots, using node-opus should be considered a necessity, especially if they're going to be running on multiple servers.
+The preferred audio engine is @discordjs/opus, as it performs significantly better than opusscript. When both are available, discord.js will automatically choose @discordjs/opus.
+Using opusscript is only recommended for development environments where @discordjs/opus is tough to get working.
+For production bots, using @discordjs/opus should be considered a necessity, especially if they're going to be running on multiple servers.
 
 ### Optional packages
 - [zlib-sync](https://www.npmjs.com/package/zlib-sync) for faster WebSocket data inflation (`npm install zlib-sync`)

docs/general/faq.md

@@ -7,8 +7,8 @@ Update to Node.js 10.0.0 or newer.
 
 ## How do I get voice working?
 - Install FFMPEG.
-- Install either the `node-opus` package or the `opusscript` package.
-  node-opus is greatly preferred, due to it having significantly better performance.
+- Install either the `@discordjs/opus` package or the `opusscript` package.
+  @discordjs/opus is greatly preferred, due to it having significantly better performance.
 
 ## How do I install FFMPEG?
 - **npm:** `npm install ffmpeg-binaries`
@@ -16,10 +16,10 @@ Update to Node.js 10.0.0 or newer.
 - **Ubuntu 14.04:** `sudo apt-get install libav-tools`
 - **Windows:** `npm install ffmpeg-binaries` or see the [FFMPEG section of AoDude's guide](https://github.com/bdistin/OhGodMusicBot/blob/master/README.md#download-ffmpeg).
 
-## How do I set up node-opus?
-- **Ubuntu:** Simply run `npm install node-opus`, and it's done. Congrats!
+## How do I set up @discordjs/opus?
+- **Ubuntu:** Simply run `npm install @discordjs/opus`, and it's done. Congrats!
 - **Windows:** Run `npm install --global --production windows-build-tools` in an admin command prompt or PowerShell.
-  Then, running `npm install node-opus` in your bot's directory should successfully build it. Woo!
+  Then, running `npm install @discordjs/opus` in your bot's directory should successfully build it. Woo!
 
 Other questions can be found at the [official Discord.js guide](https://discordjs.guide/popular-topics/common-questions.html)
 If you have issues not listed here or on the guide, feel free to ask in the [official Discord.js server](https://discord.gg/bRCvFy9).

docs/general/welcome.md

@@ -37,13 +37,13 @@ discord.js is a powerful [Node.js](https://nodejs.org) module that allows you to
 Ignore any warnings about unmet peer dependencies, as they're all optional.
 
 Without voice support: `npm install discordjs/discord.js`  
-With voice support ([node-opus](https://www.npmjs.com/package/node-opus)): `npm install discordjs/discord.js node-opus`  
+With voice support ([@discordjs/opus](https://www.npmjs.com/package/@discordjs/opus)): `npm install discordjs/discord.js @discordjs/opus`  
 With voice support ([opusscript](https://www.npmjs.com/package/opusscript)): `npm install discordjs/discord.js opusscript`
 
 ### Audio engines
-The preferred audio engine is node-opus, as it performs significantly better than opusscript. When both are available, discord.js will automatically choose node-opus.
-Using opusscript is only recommended for development environments where node-opus is tough to get working.
-For production bots, using node-opus should be considered a necessity, especially if they're going to be running on multiple servers.
+The preferred audio engine is @discordjs/opus, as it performs significantly better than opusscript. When both are available, discord.js will automatically choose @discordjs/opus.
+Using opusscript is only recommended for development environments where @discordjs/opus is tough to get working.
+For production bots, using @discordjs/opus should be considered a necessity, especially if they're going to be running on multiple servers.
 
 ### Optional packages
 - [zlib-sync](https://www.npmjs.com/package/zlib-sync) for faster WebSocket data inflation (`npm install zlib-sync`)

docs/topics/voice.md

@@ -6,13 +6,13 @@ In discord.js, you can use voice by connecting to a `VoiceChannel` to obtain a `
 To get started, make sure you have:
 * FFmpeg - `npm install ffmpeg-static`
 * an opus encoder, choose one from below:
-  * `npm install node-opus` (better performance)
+  * `npm install @discordjs/opus` (better performance)
   * `npm install opusscript`
 * a good network connection
 
-The preferred opus engine is node-opus, as it performs significantly better than opusscript. When both are available, discord.js will automatically choose node-opus.
-Using opusscript is only recommended for development environments where node-opus is tough to get working.
-For production bots, using node-opus should be considered a necessity, especially if they're going to be running on multiple servers.
+The preferred opus engine is @discordjs/opus, as it performs significantly better than opusscript. When both are available, discord.js will automatically choose @discordjs/opus.
+Using opusscript is only recommended for development environments where @discordjs/opus is tough to get working.
+For production bots, using @discordjs/opus should be considered a necessity, especially if they're going to be running on multiple servers.
 
 ## Joining a voice channel
 The example below reacts to a message and joins the sender's voice channel, catching any errors. This is important

package.json

@@ -90,6 +90,7 @@
     "node": ">=10.2.0"
   },
   "browser": {
+    "@discordjs/opus": false,
     "https": false,
     "ws": false,
     "erlpack": false,