vue emoji表情符号替换

 <input v-model="value" @input="setValue($event.target)" placeholder="edit me">

export default {
  name: 'MainContent',
    data () {
      return {
          value:''
      }
    },
    methods: {
      setValue (target) {
        let val = target.value;
        let pattern = /[uD83C|uD83D|uD83E][uDC00-uDFFF][u200D|uFE0F]|[uD83C|uD83D|uD83E][uDC00-uDFFF]|[0-9|*|#]uFE0Fu20E3|[0-9|#]u20E3|[u203C-u3299]uFE0Fu200D|[u203C-u3299]uFE0F|[u2122-u2B55]|u303D|[A9|AE]u3030|uA9|uAE|u3030/ig
          if(pattern.test(val)){
            val =  val.replace(pattern, '');
            console.info("匹配到了表情");
          }
        this.value = val;
      }
    }
}