Top Angular Form Libraries

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form
5,117

TanStack/form is a lightweight, type-safe, and framework-agnostic form management library for JavaScript applications.

Code Example

import { useForm } from '@tanstack/react-form'

const form = useForm({ defaultValues: { name: '' } })
const { Field } = form

Pros

Framework-agnostic, allowing use across different JavaScript frameworks
Strong TypeScript support for type safety and improved developer experience
Lightweight and performant, with minimal bundle size impact

Cons

Less feature-rich compared to some specialized form libraries like surveyjs/survey-library
Smaller community and ecosystem compared to more established projects like formly-js/angular-formly
May require more custom implementation for complex form scenarios compared to full-featured solutions like formio/formio

survey-library
4,364

SurveyJS is a feature-rich JavaScript library for creating dynamic, customizable surveys and forms.

Code Example

const survey = new Survey.Model(surveyJSON);
survey.onComplete.add((sender, options) => {
    console.log("Survey results:", sender.data);
});

Pros

Offers a wide range of question types and advanced features like conditional logic and branching.
Provides a user-friendly survey builder interface for non-technical users.
Supports multiple frameworks (React, Vue, Angular) and can be used with plain JavaScript.

Cons

Has a steeper learning curve compared to simpler form libraries like TanStack/form or ngx-formly.
May be overkill for basic form needs, as it's primarily designed for complex surveys.
Commercial use requires a paid license, unlike some open-source alternatives.

ngx-formly
2,882

ngx-formly/ngx-formly is a dynamic form library for Angular that allows developers to create complex forms from simple JSON configurations.

Code Example

import { FormlyFieldConfig } from '@ngx-formly/core';

const fields: FormlyFieldConfig[] = [
  { key: 'name', type: 'input', templateOptions: { label: 'Name' } },
  { key: 'email', type: 'input', templateOptions: { label: 'Email', type: 'email' } }
];

Pros

Seamless integration with Angular, providing a native experience for Angular developers
Extensive customization options, allowing for complex form layouts and field types
Strong community support and regular updates, ensuring compatibility with the latest Angular versions

Cons

Steeper learning curve compared to some simpler form libraries
Less suitable for non-Angular projects, unlike more framework-agnostic options like TanStack/form or SurveyJS
May require more setup and configuration for basic forms compared to simpler alternatives

angular-schema-form
2,465

Angular Schema Form is a library for generating dynamic forms in Angular applications based on JSON schemas.

Code Example

<form sf-schema="schema" sf-form="form" sf-model="model"></form>

Pros

Specifically designed for Angular, providing seamless integration with Angular applications
Uses JSON Schema for form definition, making it easy to validate and generate forms from existing data structures
Offers a wide range of built-in form controls and widgets out of the box

Cons

Less actively maintained compared to some newer alternatives like TanStack Form or ngx-formly
Limited to Angular framework, unlike more versatile options like SurveyJS or Formio that support multiple frameworks
May have a steeper learning curve for developers not familiar with JSON Schema

jsonforms
2,364

JSONForms is a declarative framework for efficiently building form-based web UIs using JSON Schema and UI Schema.

Code Example

import { JsonForms } from '@jsonforms/react';
const schema = { type: 'object', properties: { name: { type: 'string' } } };
const uischema = { type: 'VerticalLayout', elements: [{ type: 'Control', scope: '#/properties/name' }] };
<JsonForms schema={schema} uischema={uischema} data={data} onChange={handleChange} />

Pros

Offers a more structured approach with separate JSON Schema and UI Schema definitions
Provides built-in support for complex validation rules and conditional rendering
Integrates well with React, Angular, and Vue.js frameworks

Cons

Steeper learning curve compared to some simpler form libraries
Less extensive documentation and community support than more popular alternatives like Formik or react-hook-form
May be overkill for simple form scenarios, where lighter-weight solutions could suffice