el-textarea 禁止输入换行

<el-input
      type="textarea"
      :placeholder="placeholder"
      resize="none"
      @input="handleTextareaInput"
      @keydown.enter.native="handleTextareaKeydown"
      v-model="ids"
    />

handleTextareaKeydown(){
      let e = window.event || arguments[0];
        if (e.key === 'Enter' || e.code === 'Enter' || e.keyCode == 13) {
          e.returnValue = false;
          return false;
        }
    }