functions.js

module.exports = {
  getMember: function(message, toFind = "") {
    toFind = toFind.toLowerCase();

    let target = message.guild.members.get(toFind);

    if (!target && message.mentions.members)
      target = message.mentions.members.first();

    if (!target && toFind) {
      target = message.guild.members.find(member => {
        return (
          member.displayName.toLowerCase().includes(toFind) ||
          member.user.tag.toLowerCase().includes(toFind)
        );
      });
    }

    if (!target) target = message.member;

    return target;
  },

  formatDate: function(date) {
    return new Intl.DateTimeFormat("en-US").format(date);
  },

  promptMessage: async function(message, author, time, validReactions) {
    time *= 1000;

    for (const reaction of validReactions) {
      try {
        await message.react(reaction);
      } catch (err) {
        console.error(err);
      }
    }

    const filter = (reaction, user) =>
      validReactions.includes(reaction.emoji.name) && user.id === author.id;

    return message
      .awaitReactions(filter, { max: 1, time: time })
      .then(collected => collected.first() && collected.first().emoji.name);
  }
};