簡単なカウンターのサンプル
counter.jsconst { MessageActionRow, MessageButton, Client, TextChannel, ButtonInteraction, InteractionCollector, Interaction, CommandInteraction } = require("discord.js");
const IDLE_SECONDS = 10;
const COMMAND_GUILD_ID = "494780225280802817"; // if undefined, command deployed to global.
const client = new Client({
intents: 0
});
/**
*
* @param {unknown} collected
* @param {"idle"|string} reason
* @param {ButtonInteraction|CommandInteraction} lastInteraction
* @param {Number} count
*/
async function onEnd(collected, reason, lastInteraction, count) {
switch (reason) {
case "idle":
const content = `${count}(timeout)`;
const messageData = {
content,
components: []
};
await lastInteraction.editReply(messageData);
return;
case "messageDelete":
case "channelDelete":
case "guildDelete":
// do nothing
return;
default:
throw new Error("unknown reason");
}
}
/**
*
* @param {CommandInteraction} interaction
*/
async function onCommand(interaction) {
if(interaction.commandName!=="counter"){
return;
}
const buttons = new MessageActionRow()
.addComponents(
[
new MessageButton()
.setCustomId("+")
.setLabel("+")
.setStyle("PRIMARY"),
new MessageButton()
.setCustomId("-")
.setLabel("-")
.setStyle("SECONDARY")
]
);
let count = 0;
const message = await interaction.reply({
content: String(count),
components: [buttons],
fetchReply: true
});
const collector = new InteractionCollector(client, { componentType: "BUTTON", idle: IDLE_SECONDS * 1000, message });
let lastInteraction = interaction;
const onCollect = async (interaction) => {
switch (interaction.customId) {
case "+":
++count;
await interaction.update(String(count));
return;
case "-":
--count;
await interaction.update(String(count));
return;
}
throw new Error("unknown custom id");
};
collector.on("collect", i => {
onCollect(i)
.then(() => lastInteraction = i)
.catch(err => console.error(err));
});
collector.on("end", (collected, reason) => onEnd(collected, reason, lastInteraction, count).catch(err => console.error(err)));
}
/**
*
* @param {Interaction} interaction
*/
async function onInteraction(interaction) {
if (interaction.isCommand()) {
return onCommand(interaction);
}
}
async function onReady() {
await client.application.commands.set([{
name: "counter",
description: "start counter",
}], COMMAND_GUILD_ID);
console.info(`deployed command to ${COMMAND_GUILD_ID ?? "global"}`);
}
client.on("interactionCreate", interaction => onInteraction(interaction).catch(err => console.error(err)));
client.on("ready", () => onReady().catch(err => console.error(err)));
client.login("TOKEN");