bot.json

// Require json file.
const emojis = require('./emojis.json');

// Define our function.
async function list(listMsg, page, increment) {
  const entries = Object.entries(emojis);

  // Set up base embed.
  var embed = new Discord.RichEmbed()
    .setColor(1056085)
    .setTitle('**Server Emojis**')
    .setDescription(`Page **${page}** of ${Math.ceil(entries.length/increment)}`)
    .setFooter('Dz Gamers Community', 'https://cdn.discordapp.com/icons/469276415746113568/f86e89f362f1df6dc1f996818ef49e7a.png?size=1024')
    .setTimestamp(listMsg ? listMsg.createdAt : undefined);

  // Add fields to embed.
  const emojiField = [];
  const stringField = [];

  for (let [emoji, string] of entries.slice((page - 1) * increment, (page * increment) + 1)) {
    emojiField.push(emoji);
    stringField.push(string);
  }

  embed.addField('Emoji:', emojiField.join('\n'), true);
  embed.addField('String:', stringField.join('\n'), true);

  // Edit/send embed.
  if (listMsg) await listMsg.edit(embed);
  else listMsg = await message.channel.send(embed);

  // Set up page reactions.
  const lFilter = (reaction, user) => reaction.emoji.name === '◀' && page !== 1 && user.id === message.author.id;
  const lCollector = listMsg.createReactionCollector(lFilter, { max: 1 });

  lCollector.on('collect', async () => {
    rCollector.stop();
    await listMsg.clearReactions();
    list(listMsg, page - 1, increment);
  });

  const rFilter = (reaction, user) => reaction.emoji.name === '▶' && entries.length > page * increment && user.id === message.author.id;
  const rCollector = listMsg.createReactionCollector(rFilter, { max: 1 });

  rCollector.on('collect', async () => {
    lCollector.stop();
    await listMsg.clearReactions();
    list(listMsg, page + 1, increment);
  });

  if (page !== 1) await listMsg.react('◀');
  if (entries.length > page * increment) await listMsg.react('▶');
}

// Send the list; page 1, and 5 shown on each page.
list(undefined, 1, 5)
  .catch(console.error);