fix(Shard): add env, execArgv, and argv for worker-based shards (#10429)

* fix(Shard): add env, execArgv, and argv to worker-based threads

* chore: remove process only docs assertion from certain shard options

* chore: update comments for Shard.js

* refactor: Use SHARE_ENV for worker shard's env

* chore: import order

---------

Co-authored-by: Cat++ <[email protected]>

Author: catplvsplus

packages/discord.js/src/sharding/Shard.js

@@ -5,9 +5,11 @@ const path = require('node:path');
 const process = require('node:process');
 const { setTimeout, clearTimeout } = require('node:timers');
 const { setTimeout: sleep } = require('node:timers/promises');
+const { SHARE_ENV } = require('node:worker_threads');
 const { DiscordjsError, ErrorCodes } = require('../errors');
 const ShardEvents = require('../util/ShardEvents');
 const { makeError, makePlainError } = require('../util/Util');
+
 let childProcess = null;
 let Worker = null;
 
@@ -49,13 +51,13 @@ class Shard extends EventEmitter {
     this.silent = manager.silent;
 
     /**
-     * Arguments for the shard's process (only when {@link ShardingManager#mode} is `process`)
+     * Arguments for the shard's process/worker
      * @type {string[]}
      */
     this.args = manager.shardArgs ?? [];
 
     /**
-     * Arguments for the shard's process executable (only when {@link ShardingManager#mode} is `process`)
+     * Arguments for the shard's process/worker executable
      * @type {string[]}
      */
     this.execArgv = manager.execArgv;
@@ -136,7 +138,12 @@ class Shard extends EventEmitter {
           .on('exit', this._exitListener);
         break;
       case 'worker':
-        this.worker = new Worker(path.resolve(this.manager.file), { workerData: this.env })
+        this.worker = new Worker(path.resolve(this.manager.file), {
+          workerData: this.env,
+          env: SHARE_ENV,
+          execArgv: this.execArgv,
+          argv: this.args,
+        })
           .on('message', this._handleMessage.bind(this))
           .on('exit', this._exitListener);
         break;

packages/discord.js/src/sharding/ShardingManager.js

@@ -37,9 +37,7 @@ class ShardingManager extends EventEmitter {
    * @property {boolean} [silent=false] Whether to pass the silent flag to child process
    * (only available when mode is set to 'process')
    * @property {string[]} [shardArgs=[]] Arguments to pass to the shard script when spawning
-   * (only available when mode is set to 'process')
    * @property {string[]} [execArgv=[]] Arguments to pass to the shard script executable when spawning
-   * (only available when mode is set to 'process')
    * @property {string} [token] Token to use for automatic shard count and passing to shards
    */