@andreasnicolaou/emoji-x-converter/dist/index.js

A TypeScript library to convert between emojis and their textual descriptions across different languages using customizable mappings.

import { emojiXLoader } from './data/loader';
export class EmojiXConverter {
    static EMOJI_PREFIX = '\xA9\xAE\xE2\xE3\xF0';
    static instances = Object.create(EmojiXConverter.prototype);
    id;
    map;
    static getInstance(id, direction = 'CONVERT_EMOJI') {
        const key = `${id}-${direction.toLowerCase()}`;
        if (!this.instances[key]) {
            this.instances[key] = this.createInstance(id, direction);
        }
        return this.instances[key];
    }
    static createInstance(id, direction) {
        if (!Object.keys(emojiXLoader).includes(id)) {
            throw new Error(`Language map for "${id}" not found. Available IDs: ${Object.keys(emojiXLoader).join(', ')}`);
        }
        const instance = Object.create(EmojiXConverter.prototype);
        instance.id = id;
        instance.map = emojiXLoader[id];
        if (direction === 'CONVERT_DESCRIPTION') {
            instance.map = Object.fromEntries(Object.entries(instance.map).map(([emoji, description]) => [`:${description}:`, emoji]));
        }
        return instance;
    }
    convertText(input) {
        const emojiKeys = Object.keys(this.map).sort((a, b) => b.length - a.length);
        const regex = new RegExp(emojiKeys.join('|'), 'g');
        const emojiPrefix = input.startsWith(Object.keys(this.map)[0]) ? ':' : EmojiXConverter.EMOJI_PREFIX;
        if (/^[\s\S]*$/u.test(input)) {
            return input.length === input.split('').findIndex((char) => emojiPrefix.includes(char))
                ? input
                : input.replace(regex, (match) => this.map[match] || match);
        }
        return input;
    }
}