📄 tanstack/form/v1/docs/framework/vue/examples/standard-schema

File: standard-schema.md | Updated: 11/15/2025

Source: https://tanstack.com/form/v1/docs/framework/vue/examples/standard-schema



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Vue Example: Standard Schema

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  • src

    • App.vue file iconApp.vue

    • FieldInfo.vue file iconFieldInfo.vue

    • main.ts file iconmain.ts

    • shims-vue.d.ts file iconshims-vue.d.ts

    • types.d.ts file icontypes.d.ts

  • .gitignore file icon.gitignore

  • README.md file iconREADME.md

  • index.html file iconindex.html

  • package.json file iconpackage.json

  • tsconfig.json file icontsconfig.json

  • vite.config.ts file iconvite.config.ts

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>

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