naive-ui/demo/documentation/components/form/enUS/async.demo.md

Async Validation

Support async. Make sure your code in return new Promise().

<n-form inline :label-width="80" :model="formValue" :rules="rules" ref="form">
  <n-form-item label="Name" path="user.name">
    <n-input v-model:value="formValue.user.name" placeholder="Input Name" />
  </n-form-item>
  <n-form-item label="Age" path="user.age">
    <n-input placeholder="Input Age" v-model:value="formValue.user.age" />
  </n-form-item>
  <n-form-item label="Adress" path="user.address">
    <n-input
      placeholder="Input Address"
      v-model:value="formValue.user.address"
    />
  </n-form-item>
  <n-form-item label="Phone" path="phone">
    <n-input placeholder="Phone Number" v-model:value="formValue.phone" />
  </n-form-item>
  <n-form-item v-model:value="formValue.phone">
    <n-button @click="handleValidateClick">Validate</n-button>
  </n-form-item>
</n-form>

<pre>
{{  JSON.stringify(formValue, 0, 2) }}
</pre>

export default {
  inject: ['message'],
  data () {
    return {
      formValue: {
        user: {
          name: 'name',
          age: '15',
          address: '0'
        },
        phone: '1251550092'
      },
      rules: {
        user: {
          name: {
            required: true,
            trigger: 'blur',
            validator: (rule, value) => {
              return new Promise((resolve, reject) => {
                if (value !== 'testName') {
                  reject(Error('error name')) // reject with error message
                } else {
                  resolve()
                }
              })
            }
          },
          age: {
            required: true,
            trigger: 'input',
            validator: (rule, value) => {
              return new Promise((resolve, reject) => {
                setTimeout(() => {
                  if (value <= 16) {
                    reject(Error('error age'))
                  } else {
                    resolve()
                  }
                }, 3000)
              })
            }
          }
        },
        phone: {
          required: true,
          trigger: ['input'],
          validator: (rule, value) => {
            return /^[1]+[3,8]+\\d{9}$/.test(value)
          }
        }
      }
    }
  },
  methods: {
    handleValidateClick (e) {
      e.preventDefault()
      this.$refs.form.validate((errors) => {
        if (!errors) {
          this.message.success('Valid')
        } else {
          this.message.error('Invalid')
          console.log('errors', errors)
        }
      })
      console.log('end')
    }
  }
}