var emoji = require('node-emoji')
emoji.get('coffee') // returns the emoji code for coffee (displays emoji on terminals that support it)
emoji.which(emoji.get('coffee')) // returns the string "coffee"
emoji.get('⏩') // `.get` also supports github flavored markdown emoji (http://www.emoji-cheat-sheet.com/)
emoji.emojify('I ❤ ☕!') // replaces all :emoji: with the actual emoji, in this case: returns "I ❤️ ☕️!"
emoji.random() // returns a random emoji + key, e.g. `{ emoji: '❤️', key: 'heart' }`
emoji.search('cof') // returns an array of objects with matching emoji's. `[{ emoji: '☕️', key: 'coffee' }, { emoji: ⚰', key: 'coffin'}]`
emoji.unemojify('I ❤️ ��') // replaces the actual emoji with :emoji:, in this case: returns "I ❤ ��"
emoji.find('��') // Find the `pizza` emoji, and returns `({ emoji: '��', key: 'pizza' })`;
emoji.find('pizza') // Find the `pizza` emoji, and returns `({ emoji: '��', key: 'pizza' })`;
emoji.hasEmoji('��') // Validate if this library knows an emoji like `��`
emoji.hasEmoji('pizza') // Validate if this library knowns a emoji with the name `pizza`
emoji.strip('⚠️ 〰️ 〰️ low disk space') // Strips the string from emoji's, in this case returns: "low disk space".
emoji.replace('⚠️ 〰️ 〰️ low disk space', (emoji) => `${emoji.key}:`) // Replace emoji's by callback method: "warning: low disk space"

var onMissing = function (name) {
  return name;
});

var emojified = emoji.emojify('I :unknown_emoji: ⭐ :another_one:', onMissing);
// emojified: I unknown_emoji ⭐️ another_one

var format = function (code, name) {
  return '<img alt="' + code + '" src="' + name + '.png" />';
});

var emojified = emoji.emojify('I :unknown_emoji: ⭐ :another_one:', null, format);
// emojified: I <img alt="❤️" src="heart.png" /> <img alt="☕️" src="coffee.png" />