ui/node_modules/@melt-ui/svelte/dist/builders/switch/create.js

import { addMeltEventListener, makeElement, createElHelpers, disabledAttr, kbd, omit, overridable, styleToString, toWritableStores, } from '../../internal/helpers/index.js';
import { writable } from 'svelte/store';
import { executeCallbacks } from '../../internal/helpers/callbacks.js';
const defaults = {
    defaultChecked: false,
    disabled: false,
    required: false,
    name: '',
    value: '',
};
const { name } = createElHelpers('switch');
export function createSwitch(props) {
    const propsWithDefaults = { ...defaults, ...props };
    const options = toWritableStores(omit(propsWithDefaults, 'checked'));
    const { disabled, required, name: nameStore, value } = options;
    const checkedWritable = propsWithDefaults.checked ?? writable(propsWithDefaults.defaultChecked);
    const checked = overridable(checkedWritable, propsWithDefaults?.onCheckedChange);
    function toggleSwitch() {
        if (disabled.get())
            return;
        checked.update((prev) => !prev);
    }
    const root = makeElement(name(), {
        stores: [checked, disabled, required],
        returned: ([$checked, $disabled, $required]) => {
            return {
                'data-disabled': disabledAttr($disabled),
                disabled: disabledAttr($disabled),
                'data-state': $checked ? 'checked' : 'unchecked',
                type: 'button',
                role: 'switch',
                'aria-checked': $checked ? 'true' : 'false',
                'aria-required': $required ? 'true' : undefined,
            };
        },
        action(node) {
            const unsub = executeCallbacks(addMeltEventListener(node, 'click', () => {
                toggleSwitch();
            }), addMeltEventListener(node, 'keydown', (e) => {
                if (e.key !== kbd.ENTER && e.key !== kbd.SPACE)
                    return;
                e.preventDefault();
                toggleSwitch();
            }));
            return {
                destroy: unsub,
            };
        },
    });
    const input = makeElement(name('input'), {
        stores: [checked, nameStore, required, disabled, value],
        returned: ([$checked, $name, $required, $disabled, $value]) => {
            return {
                type: 'checkbox',
                'aria-hidden': true,
                hidden: true,
                tabindex: -1,
                name: $name,
                value: $value,
                checked: $checked,
                required: $required,
                disabled: disabledAttr($disabled),
                style: styleToString({
                    position: 'absolute',
                    opacity: 0,
                    'pointer-events': 'none',
                    margin: 0,
                    transform: 'translateX(-100%)',
                }),
            };
        },
    });
    return {
        elements: {
            root,
            input,
        },
        states: {
            checked,
        },
        options,
    };
}