Nertivia-Client/src/shortcodeToEmoji.js

import emojis from "emojibase-data/en/compact.json";
import {
	groups
} from "emojibase-data/meta/groups.json";

export default message => {
	const regex = /:([\w]+):/g;

	return message.replace(regex, (x) => {
		const emoji = emojiExists(x.replace(/[::]+/g, ''))
		
		if (emoji) return emoji.unicode
		return x
	});
};

function emojiExists(shortCode) {
	for (let index = 0; index < emojis.length; index++) {
		const element = emojis[index];
		for (let i = 0; i < element.shortcodes.length; i++) {
			const el2 = element.shortcodes[i];
			if (el2 === shortCode) {
				return element
			}
		}
	}
}