Discord.js 公会成员更改活动时如何感知

Question

I want to make a discord bot which is scraping activities of guild members.

So, I read docs of discord.js.

But I don't know how to sense when a member changes the activity.

Is there an example for this situation?

Answer 1

use Client#presenceUpdate event to track presence updates. See https://discord.js.org/#/docs/main/stable/class/Client?scrollTo=e-presenceUpdate

<Client>.on("presenceUpdate", (oldPresence, newPresence) => {
    // do something
});

Answer 2

I don't really know what kind of activity are you looking for, but any activity it's handled via the event emitter. For example, let's say the user has sent a command via message, you can capture that like this.

const { Client } = require('discord.js');
const client = new Client();

//event emitter
client.on('message', (message) => {
//do something
}

If you're working with VsCode, intelliSense will make it easy to know quickly what sort of events you can listen to. But here's a list of all events:

https://discord.js.org/#/docs/main/stable/class/Client?scrollTo=e-channelCreate

If i'm understanding your question correctly the event you're looking for would be

userUpdate

Emitted whenever a user's details (eg username) are changed. Triggered by the Discord gateway events USER_UPDATE, GUILD_MEMBER_UPDATE, and PRESENCE_UPDATE.

client.on('userUpdate', (oldUser, newUser) => {
// do something
});

or also

presenceUpdate

Emitted whenever a guild member's presence (eg status, activity) is changed.

client.on('presenceUpdate', (oldPresence, newPresence) => {
// do something
});