material-inspired-component-library/components/button/index.ts

The Material-Inspired Component Library (MICL) offers a collection of beautifully crafted components leveraging native HTML markup, designed to align with the Material Design 3 guidelines.

//
// Copyright © 2025 Hermana AS
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.

export const buttonSelector = 'button.micl-button--toggle';

export default (() =>
{
    return {
        command: (event: Event): void =>
        {
            const target = event.target as HTMLButtonElement;

            if (
                target.matches(buttonSelector)
                && !target.disabled
                && (event as any).command === '--micl-toggle'
            ) {
                target.classList.add('micl-button--toggled');
                target.classList.toggle('micl-button--selected');
            }
        },

        initialize: function(element: HTMLButtonElement): void
        {
            if (
                !element.matches(buttonSelector)
                || element.dataset.miclinitialized
            ) {
                return;
            }
            element.dataset.miclinitialized = '1';

            element.addEventListener('command', this.command);
        },

        cleanup: function(element: HTMLButtonElement): void
        {
            if (element.matches(buttonSelector)) {
                document.removeEventListener('command', this.command);
                delete element.dataset.miclinitialized;
            }
        }
    };
})();