02. Emoji Detector

function smile(input) {
    const digits = input[0].match(/\d/g);
    let threshold = BigInt;
    if (digits) {
        threshold = digits.map(Number).reduce((acc, curr) => acc * curr, 1);
    } else {
        threshold = 0
    }
    console.log(`Cool threshold: ${threshold}`);
    const emojiPattern = /(::|\*\*)([A-Z][a-z]{2,})\1/g
    const emojis = input[0].matchAll(emojiPattern);
    if (emojis) {
        const coolEmojis = [];
        let count = 0;
        for (const emj of emojis) {
            // console.log(emj);
            count++;
            const emojiSum = emj[2].split('').reduce((sum, currEmj) => sum + currEmj.charCodeAt(0), 0);
            // console.log(emojiSum);
            if (emojiSum >= threshold) {
                coolEmojis.push(emj[0]);
            }
        }
        let output = `${count} emojis found in the text. The cool ones are:`;
        coolEmojis.forEach(coolEmj => output += `\n${coolEmj}`);
        return output;
    }

}