@sjsf/form

@sjsf/form

Svelte 5 library for creating forms based on JSON schema. Unofficial port of react-jsonschema-form.

• Documentation
• Form Builder
• Playground

Installation

Install the library, basic theme and ajv for validation.

npm install @sjsf/form @sjsf/basic-theme @sjsf/ajv8-validator ajv@8

Usage

<script lang="ts">
  import { createForm, BasicForm, type Schema } from '@sjsf/form';
  import { resolver } from '@sjsf/form/resolvers/basic';
  import { translation } from '@sjsf/form/translations/en';
  import { createFormMerger } from "@sjsf/form/mergers/modern";
  import { createFormIdBuilder } from "@sjsf/form/id-builders/modern";
  import { createFormValidator } from "@sjsf/ajv8-validator";
  import { theme } from '@sjsf/basic-theme';

  const schema: Schema = {
    title: 'Tasks',
    type: 'array',
    items: {
      type: 'object',
      properties: {
        name: {
          type: 'string',
          title: 'Name',
        },
        description: {
          type: 'string',
          title: 'Description',
        },
      },
      required: ["name"]
    },
  }

  const form = createForm({
    theme,
    schema,
    resolver,
    translation,
    merger: createFormMerger,
    validator: createFormValidator,
    idBuilder: createFormIdBuilder,
    onSubmit: console.log
  })
</script>

<BasicForm {form} />

Supported Themes

• Basic
• daisyUI v5
• Flowbite Svelte
• Skeleton v3
• shadcn-svelte

Supported Validators

• Ajv v8
• Zod v4
• Valibot
• @cfworker/json-schema
• @exodus/schemasafe
• Standard Schema

License

This project includes modifications of code from react-jsonschema-form, which is licensed under the Apache License, Version 2.0. The rest of the project is under the MIT license.

See LICENSE-MIT and LICENSE-APACHE for details.

See also

• Other JSON Schema to Web UI tools
• Converting JSON to table
• Simple build automation tool - mk