matthewp / haunted

React's Hooks API implemented for web components πŸ‘»

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Haunted πŸ¦‡ πŸŽƒ

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React's Hooks API but for standard web components and lit-html or hyperHTML.

πŸ“š Read the Docs πŸ“–

<html lang="en">
  <my-counter></my-counter>

  <script type="module">
    import { html } from 'https://unpkg.com/lit-html/lit-html.js';
    import { component, useState } from 'https://unpkg.com/haunted/haunted.js';

    function Counter() {
      const [count, setCount] = useState(0);

      return html`
        <div id="count">${count}</div>
        <button type="button" @click=${() => setCount(count + 1)}>
          Increment
        </button>
      `;
    }

    customElements.define('my-counter', component(Counter));
  </script>
</html>

More example integrations can be found in this gist.

Hooks

Haunted supports the same API as React Hooks. The hope is that by doing so you can reuse hooks available on npm simply by aliasing package names in your bundler's config.

Currently Haunted supports the following hooks:

Function Signatures

// Or another renderer, see Guides
type Renderer = (element: Element) => TemplateResult;

interface Options {
  baseElement: HTMLElement;
  observedAttributes: string[];
  useShadowDOM: boolean
}

declare function component(
  renderer: Renderer,
  options: Options
): Element;

declare function component<BaseElement = HTMLElement>(
  renderer: Renderer,
  baseElement: BaseElement,
  options: Options
): Element

declare function virtual(renderer: Renderer): Directive

License

BSD-2-Clause

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React's Hooks API implemented for web components πŸ‘»

License:BSD 2-Clause "Simplified" License


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