EmojiGuyNodeJS, https://www.facebook.com/groups/359999434098189/?fref=nf

Example.js

"use strict";

const EMOJI = [
  {
    sentiment: "joy",
    expression: {
      extreme: "😂",
      medium: "🙂",
      slightly: "😄",
      neutral: "🙂"
    }
  },
  {
    sentiment: "sad",
    expression: {
      extreme: "😂",
      medium: "🙂",
      slightly: "😄",
      neutral: "🙂"
    }
  }
];

const getEmoji = (sentiment, expression) => {
    return EMOJI.find(emoji => emoji.sentiment === sentiment).expression[expression];
}


console.log(getEmoji("joy", "neutral"));