表情与unicode码互转

const str = '笑脸?桃心❤?拜托?睡觉????'
const emojiReg = /[\uD83C|\uD83D|\uD83E][\uDC00-\uDFFF][\u200D|\uFE0F]|[\uD83C|\uD83D|\uD83E][\uDC00-\uDFFF]|[0-9|*|#]\uFE0F\u20E3|[0-9|#]\u20E3|[\u203C-\u3299]\uFE0F\u200D|[\u203C-\u3299]\uFE0F|[\u2122-\u2B55]|\u303D|[\A9|\AE]\u3030|\uA9|\uAE|\u3030/gi;
const emojiReg2 = /[\u{1f300}-\u{1f5ff}\u{1f900}-\u{1f9ff}\u{1f600}-\u{1f64f}\u{1f680}-\u{1f6ff}\u{2600}-\u{26ff}\u{2700}-\u{27bf}\u{1f1e6}-\u{1f1ff}\u{1f191}-\u{1f251}\u{1f004}\u{1f0cf}\u{1f170}-\u{1f171}\u{1f17e}-\u{1f17f}\u{1f18e}\u{3030}\u{2b50}\u{2b55}\u{2934}-\u{2935}\u{2b05}-\u{2b07}\u{2b1b}-\u{2b1c}\u{3297}\u{3299}\u{303d}\u{00a9}\u{00ae}\u{2122}\u{23f3}\u{24c2}\u{23e9}-\u{23ef}\u{25b6}\u{23f8}-\u{23fa}]/ug;
const strRes = str.replace(emojiReg, match => `[u+${match.codePointAt(0).toString(16)}]`)
console.log(strRes)

export default function Name(v) {
  if(v) {
    let reg = v.match(/(\[u+[a-zA-z\+0-9].*?\])/gim)
    if(reg !== null){
      let str = v
      reg.map((item) => {
        let unicode = item.replace('[u+', '0x').replace(']', '');
        let emjo = String.fromCodePoint(unicode)
        str = str.replace(item, emjo)
      })
      return str
    } else {
      return v
    }
  } else {
    return v
  }
}