Vue Example: Standard Schema

vue
<script setup lang="ts">
import { useForm } from '@tanstack/vue-form'
import { type } from 'arktype'
import * as v from 'valibot'
import { z } from 'zod'
import { Schema as S } from 'effect'
import FieldInfo from './FieldInfo.vue'

const ZodSchema = z.object({
  firstName: z
    .string()
    .min(3, '[Zod] You must have a length of at least 3')
    .startsWith('A', "[Zod] First name must start with 'A'"),
  lastName: z.string().min(3, '[Zod] You must have a length of at least 3'),
})

const ValibotSchema = v.object({
  firstName: v.pipe(
    v.string(),
    v.minLength(3, '[Valibot] You must have a length of at least 3'),
    v.startsWith('A', "[Valibot] First name must start with 'A'"),
  ),
  lastName: v.pipe(
    v.string(),
    v.minLength(3, '[Valibot] You must have a length of at least 3'),
  ),
})

const ArkTypeSchema = type({
  firstName: 'string >= 3',
  lastName: 'string >= 3',
})

const EffectSchema = S.standardSchemaV1(
  S.Struct({
    firstName: S.String.pipe(
      S.minLength(3),
      S.annotations({
        message: () => '[Effect/Schema] You must have a length of at least 3',
      }),
    ),
    lastName: S.String.pipe(
      S.minLength(3),
      S.annotations({
        message: () => '[Effect/Schema] You must have a length of at least 3',
      }),
    ),
  }),
)

const form = useForm({
  defaultValues: {
    firstName: '',
    lastName: '',
  },
  validators: {
    // DEMO: You can switch between schemas seamlessly
    onChange: ZodSchema,
    // onChange: ValibotSchema,
    // onChange: ArkTypeSchema,
    // onChange: EffectSchema,
  },
  onSubmit: async ({ value }) => {
    // Do something with form data
    alert(JSON.stringify(value))
  },
})
</script>

<template>
  <form
    @submit="
      (e) => {
        e.preventDefault()
        e.stopPropagation()
        form.handleSubmit()
      }
    "
  >
    <div>
      <form.Field name="firstName">
        <template v-slot="{ field, state }">
          <label :htmlFor="field.name">First Name:</label>
          <input
            :id="field.name"
            :name="field.name"
            :value="field.state.value"
            @input="
              (e) => field.handleChange((e.target as HTMLInputElement).value)
            "
            @blur="field.handleBlur"
          />
          <FieldInfo :state="state" />
        </template>
      </form.Field>
    </div>
    <div>
      <form.Field name="lastName">
        <template v-slot="{ field, state }">
          <label :htmlFor="field.name">Last Name:</label>
          <input
            :id="field.name"
            :name="field.name"
            :value="field.state.value"
            @input="
              (e) => field.handleChange((e.target as HTMLInputElement).value)
            "
            @blur="field.handleBlur"
          />
          <FieldInfo :state="state" />
        </template>
      </form.Field>
    </div>
    <form.Subscribe>
      <template v-slot="{ canSubmit, isSubmitting }">
        <button type="submit" :disabled="!canSubmit">
          {{ isSubmitting ? '...' : 'Submit' }}
        </button>
      </template>
    </form.Subscribe>
  </form>
</template>
<script setup lang="ts">
import { useForm } from '@tanstack/vue-form'
import { type } from 'arktype'
import * as v from 'valibot'
import { z } from 'zod'
import { Schema as S } from 'effect'
import FieldInfo from './FieldInfo.vue'

const ZodSchema = z.object({
  firstName: z
    .string()
    .min(3, '[Zod] You must have a length of at least 3')
    .startsWith('A', "[Zod] First name must start with 'A'"),
  lastName: z.string().min(3, '[Zod] You must have a length of at least 3'),
})

const ValibotSchema = v.object({
  firstName: v.pipe(
    v.string(),
    v.minLength(3, '[Valibot] You must have a length of at least 3'),
    v.startsWith('A', "[Valibot] First name must start with 'A'"),
  ),
  lastName: v.pipe(
    v.string(),
    v.minLength(3, '[Valibot] You must have a length of at least 3'),
  ),
})

const ArkTypeSchema = type({
  firstName: 'string >= 3',
  lastName: 'string >= 3',
})

const EffectSchema = S.standardSchemaV1(
  S.Struct({
    firstName: S.String.pipe(
      S.minLength(3),
      S.annotations({
        message: () => '[Effect/Schema] You must have a length of at least 3',
      }),
    ),
    lastName: S.String.pipe(
      S.minLength(3),
      S.annotations({
        message: () => '[Effect/Schema] You must have a length of at least 3',
      }),
    ),
  }),
)

const form = useForm({
  defaultValues: {
    firstName: '',
    lastName: '',
  },
  validators: {
    // DEMO: You can switch between schemas seamlessly
    onChange: ZodSchema,
    // onChange: ValibotSchema,
    // onChange: ArkTypeSchema,
    // onChange: EffectSchema,
  },
  onSubmit: async ({ value }) => {
    // Do something with form data
    alert(JSON.stringify(value))
  },
})
</script>

<template>
  <form
    @submit="
      (e) => {
        e.preventDefault()
        e.stopPropagation()
        form.handleSubmit()
      }
    "
  >
    <div>
      <form.Field name="firstName">
        <template v-slot="{ field, state }">
          <label :htmlFor="field.name">First Name:</label>
          <input
            :id="field.name"
            :name="field.name"
            :value="field.state.value"
            @input="
              (e) => field.handleChange((e.target as HTMLInputElement).value)
            "
            @blur="field.handleBlur"
          />
          <FieldInfo :state="state" />
        </template>
      </form.Field>
    </div>
    <div>
      <form.Field name="lastName">
        <template v-slot="{ field, state }">
          <label :htmlFor="field.name">Last Name:</label>
          <input
            :id="field.name"
            :name="field.name"
            :value="field.state.value"
            @input="
              (e) => field.handleChange((e.target as HTMLInputElement).value)
            "
            @blur="field.handleBlur"
          />
          <FieldInfo :state="state" />
        </template>
      </form.Field>
    </div>
    <form.Subscribe>
      <template v-slot="{ canSubmit, isSubmitting }">
        <button type="submit" :disabled="!canSubmit">
          {{ isSubmitting ? '...' : 'Submit' }}
        </button>
      </template>
    </form.Subscribe>
  </form>
</template>
Subscribe to Bytes

Your weekly dose of JavaScript news. Delivered every Monday to over 100,000 devs, for free.

Bytes

No spam. Unsubscribe at any time.

Subscribe to Bytes

Your weekly dose of JavaScript news. Delivered every Monday to over 100,000 devs, for free.

Bytes

No spam. Unsubscribe at any time.