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feat(shards): Support Non-Sequential Shard IDs #1389

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feat(shards): Support Non-Sequential Shard IDs #1389

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f70c4c7
support non-sequential shardIds
HcgRandon Jun 17, 2022
48fc3e2
make requested fixes
HcgRandon Jun 19, 2022
6cd6edb
Merge branch 'dev' into shardids
DonovanDMC Jun 30, 2022
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1 change: 1 addition & 0 deletions examples/sharding.js
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@ const Eris = require("eris");
const bot = new Eris("Bot TOKEN", {
firstShardID: 0,
lastShardID: 15,
shardIDs: [5, 9, 1, 4], // Overrides firstShardID and lastShardID above
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maxShards: 16,
getAllUsers: false,
intents: ["guilds", "guildMembers", "guildPresences"]
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1 change: 1 addition & 0 deletions index.d.ts
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Expand Up @@ -404,6 +404,7 @@ declare namespace Eris {
restMode?: boolean;
seedVoiceConnections?: boolean;
shardConcurrency?: number | "auto";
shardIDs?: number[];
ws?: unknown;
}
interface CommandClientOptions {
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20 changes: 18 additions & 2 deletions lib/Client.js
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Expand Up @@ -120,6 +120,7 @@ class Client extends EventEmitter {
* @arg {Boolean} [options.restMode=false] Whether to enable getting objects over REST. Even with this option enabled, it is recommended that you check the cache first before using REST
* @arg {Boolean} [options.seedVoiceConnections=false] Whether to populate bot.voiceConnections with existing connections the bot account has during startup. Note that this will disconnect connections from other bot sessions
* @arg {Number | String} [options.shardConcurrency="auto"] The number of shards that can start simultaneously. If "auto" Eris will use Discord's recommended shard concurrency.
* @arg {Array<Number>} [options.shardIDs] An array of shard IDs to run for this client. If this is specified, the firstShardID and lastShardID options are ignored.
* @arg {Object} [options.ws] An object of WebSocket options to pass to the shard WebSocket constructors
*/
constructor(token, options) {
Expand Down Expand Up @@ -151,6 +152,7 @@ class Client extends EventEmitter {
restMode: false,
seedVoiceConnections: false,
shardConcurrency: "auto",
shardIDs: [],
ws: {},
reconnectDelay: (lastDelay, attempts) => Math.pow(attempts + 1, 0.7) * 20000
}, options);
Expand Down Expand Up @@ -458,8 +460,22 @@ class Client extends EventEmitter {
this.shards.setConcurrency(data.session_start_limit.max_concurrency);
}

for(let i = this.options.firstShardID; i <= this.options.lastShardID; ++i) {
this.shards.spawn(i);
// ensure we have a valid shardIDs array
let shardIDs = this.options.shardIDs;
if(!Array.isArray(shardIDs)) {
shardIDs = [];
}

// populate array via first/last shardID if no elements are present
if(shardIDs.length === 0) {
for(let i = this.options.firstShardID; i <= this.options.lastShardID; i++) {
shardIDs.push(i);
}
}

// spawn the shards
for(const id of shardIDs) {
this.shards.spawn(id);
}
} catch(err) {
if(!this.options.autoreconnect) {
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