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@thi.ng/rdom-forms

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Note

This is one of 199 standalone projects, maintained as part of the @thi.ng/umbrella monorepo and anti-framework.

🚀 Please help me to work full-time on these projects by sponsoring me on GitHub. Thank you! ❤️

About

Data-driven declarative & extensible HTML form generation. This is a support package for @thi.ng/rdom.

This package uses vanilla JS objects to define component specs for various types of form elements (various factory functions are provided). These specs can then be passed to the polymorphic & dynamically extensible compileForm() function to generate the actual form elements/components in hiccup format, which can then be used with thi.ng/rdom or for static (or SSR) HTML generation via thi.ng/hiccup.

All generated form elements are unstyled by default, but can be fully customized (in various stages) via user-provided options.

Examples

Please see the rdom-formgen example project, which demonstrates all supported elements and various customization options...

Login form

import {
    compileForm, form, hidden, password, str, submit
} from "@thi.ng/rdom-forms";

// compile form from given field descriptions
const loginForm = compileForm(
    form({ action: "/login", method: "post" },
        // string input
        str({ id: "user", label: "Username", desc: "or email address" }),
        // password
        password({ id: "pass", label: "Password", desc: "min. 8 characters", min: 8 }),
        // hidden form value
        hidden({ name: "target", value: "user-home" }),
        submit({ title: "Login", label: "" })
    ),
    {
        // disable reactive value subscriptions
        behaviors: { values: false },
        // customize attribs for label descriptions
        descAttribs: { class: "desc" }
    }
);

// use thi.ng/hiccup to serialize as HTML
import { serialize } from "@thi.ng/hiccup";

console.log(serialize(loginForm));

Resulting output (reformatted):

<form action="/login" method="post">
    <div>
        <label for="user">Username<span class="desc">or email address</span></label>
        <input type="text" id="user" name="user" />
    </div>
    <div>
        <label for="pass">Password<span class="desc">min. 8 characters</span></label>
        <input type="password" autocomplete minlength="8" id="pass" name="pass" />
    </div>
    <input type="hidden" id="target" name="target" value="user-home" />
    <div>
        <label for="submit-0"></label>
        <input type="submit" value="Login" id="submit-0" name="submit-0" />
    </div>
</form>

Status

ALPHA - bleeding edge / work-in-progress

Search or submit any issues for this package

Related packages

Installation

yarn add @thi.ng/rdom-forms

ESM import:

import * as rf from "@thi.ng/rdom-forms";

Browser ESM import:

<script type="module" src="https://esm.run/@thi.ng/rdom-forms"></script>

JSDelivr documentation

Package sizes (brotli'd, pre-treeshake): ESM: 2.30 KB

Dependencies

Note: @thi.ng/api is in most cases a type-only import (not used at runtime)

Usage examples

Nine projects in this repo's /examples directory are using this package:

Screenshot Description Live demo Source
Large ASCII font text generator using @thi.ng/rdom Demo Source
Interactive & reactive image blurhash generator Demo Source
Color palette generation via dominant color extraction from uploaded images Demo Source
Matrix-based image color adjustments Demo Source
Interactive pixel sorting tool using thi.ng/color & thi.ng/pixel Demo Source
Basic usage of the declarative rdom-forms generator Demo Source
rdom & hiccup-canvas interop test Demo Source
Interactive ridge-line plot Demo Source
Interactive scatter & line plot of low-discrepancy samples Demo Source

API

Generated API docs

TODO

Authors

If this project contributes to an academic publication, please cite it as:

@misc{thing-rdom-forms,
  title = "@thi.ng/rdom-forms",
  author = "Karsten Schmidt",
  note = "https://thi.ng/rdom-forms",
  year = 2023
}

License

© 2023 - 2024 Karsten Schmidt // Apache License 2.0