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VERSIONS.md

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New in V3

Using as-custom-element and sharing most of the regular-elements logic.

V3 Breaking/Changes

As Custom Elements require mandatory observedAttributes array to work, mostly for performance reasons, and as observing all attributes changes is rarely a good practice or a valid use case, and yet it's still possible to attach your own MutationObserver on any init() to do so, simply defining attributeChanged without a defined set of observedAttributes to monitor is not part of this library anymore.

New in V2.2

Addded defineAsync method, so that definitions can land asynchronously, on demand.

// main file
import {defineAsync} from 'wicked-elements';

defineAsync('.my-comp', () => import('/js/components/my-comp.js'));

// /js/components/my-comp.js
export default {
  init() {
    this.element.textContent = 'hello there!';
  }
};

V2 Breaking/Changes

There was asymmetry with native Custom Elements attributeChangedCallback(name, oldValue, newValue) which has now been fixed.

Before, attributeChanged(name, newValue, oldValue) was the behavior, in V2 is aligned with native Custom Elements, so it's now attributeChanged(name, oldValue, newValue).

V1 Breaking/Changes

  • half of the size, wickedElements is now less than 1.5K, more like 1.1K in its ES2015 compatible environments version (see new.js file)
  • wickedElements requires zero polyfills whatsoever: everything is provided, and granted to work, out of the box
  • wickedElements has been tested, and works as is in IE11 and in every other Desktop or Mobile browser compatible with WeakMap and MutationObserver.
  • the v0 style feature has been removed, as coupling styles within JS, same way you'd do by including a CSS file, didn't really add much value
  • dropped classes as definition, just pass an object literal
  • this.element automatically provided and already available in the init
  • direct connected, disconnected, and attributeChanged invokes (no more event driven)