Discord.js - Condition in an awaitMessages - discord.js

Question

I am creating an awaitMessages for my discord bot to add an item to my virtual shop on my bot. In this awaitMessages I would like to indicate the price of the article. So the answer must be a number, but the problem is that when I write an answer which isn't a number, the awaitMessages is canceled. I would like, when I send a message that isn't a number, it sends an error message but the awaitMessages doesn't cancel and I write a response again.
const filter = m => m.author.id === message.author.id;
message.channel.send('Price').then(msg => {
message.channel.awaitMessages(filter, {
max: 1,
time: 10000,
errors: ['time'] })
.then(collected => {
if(isNaN(collected)) return message.channel.send('not a number')})
.catch(collected => msg.delete());
});

Answer 1

You need to add conditions to your filter.
const filter = m => m.author.id === message.author.id && !isNaN(parseInt(m.content));
message.channel.send('Enter a price\nHas to be a number.').then(msg => {
message.channel.awaitMessages(filter, {
max: 1,
time: 10000,
errors: ['time']
})
.then(collected => {
// Do something
})
.catch(collected => msg.delete());
});
This won't send an error message, however it won't trigger your collector and therefore won't stop trying to collect a number until one is sent or until the time runs out.