gestion/events/gestion/leaveevent.js

const { ChannelType, Events } = require('discord.js');
const sqlite3 = require('sqlite3').verbose();
const db = new sqlite3.Database('myDatabase.db');

module.exports = {
    name: Events.GuildMemberRemove,
    async execute(member) {
        const guildId = member.guild.id;
        const botId = member.client.user.id;

        function replacePlaceholders(message, member) {
            return message
            .replace('{MemberMention}', member.toString())
            .replace('{MemberName}', member.user.username)
            .replace('{MemberDisplayName}', member.displayName)
            .replace('{MemberJoinedAt}', member.joinedAt.toLocaleDateString())
            .replace('{MemberID}', member.id)
            .replace('{MemberPic}', member.user.displayAvatarURL({ dynamic: true }))
            .replace('{MemberCreatedAt}', member.user.createdAt.toLocaleDateString())
            .replace('{ServerMembersCount}', member.guild.memberCount)
            .replace('{ServerName}', member.guild.name);
        }

        let data = await new Promise((resolve, reject) => {
            db.get('SELECT value FROM gestion WHERE id = ?', [botId], (err, row) => {
                if (err) {
                    console.error(err.message);
                    reject(err);
                }
                resolve(row ? JSON.parse(row.value) : {});
            });
        });

        data = data[guildId]?.leave || {};

        try {
            if (data.salon && data.message) {
                const channel = member.guild.channels.cache.get(data.salon);
                if (channel && channel.type === ChannelType.GuildText) {
                    const formattedMessage = replacePlaceholders(data.message, member);
                    await channel.send(formattedMessage);
                }
            }        
        } catch (err) {
        }


    },
};