消息收集器 discord.js

Question

How to make a collector stop collecting same message from a user, so the example is, if someone type catch the bot will collect it, but if he say catch again the bot will no longer collect it

Here's my code

if (command === 'coinrain') {
    message.channel.send('Coin rain has started please type `CATCH`')
    let filter = m => m.content.toLowerCase() === 'catch';
    const collector = message.channel.createMessageCollector(filter, {max: 10, time: 10000});

    collector.on('collect', m => {
        console.log(m.content);
    })

    collector.on('end', m => {
        message.channel.send({
            embed: {
                color: '#33FFF0',
                title: 'Event is over!',
                description: `${m.map(member => `${member.author.username}`).join(', ')}`
            }
        })
    })
}

Answer 1

As stated in the discord.js documentation, a MessageCollector has a Collected property described as: The items collected by this collector

You can use collector.collected.includes({Object-to-check}) . In your case you should check is a user as already sent the catch message. You can implement this check thanks to the properties author and content of Message