lightview/docs/components/countdown.html

A reactive UI library with features of Bau, Juris, and HTMX plus safe LLM UI generation

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                            const breadcrumbs = Breadcrumbs({
                                id: 'page-breadcrumbs',
                                items: [
                                    { label: 'Components', href: '/docs/components' },
                                    { label: 'Countdown' }
                                ]
                            });
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                        })();
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                    style="border-bottom: none; height: auto; padding-top: 0.5rem; padding-bottom: 0.75rem;">
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                            <path stroke-linecap="round" stroke-linejoin="round" d="M11 19l-7-7 7-7" />
                        </svg>
                    </button>
                    <h1 class="gallery-title">Countdown</h1>
                </div>
            </div>

            <!-- Content -->
            <div class="gallery-content">
                <div class="section-content" style="max-width: 1000px;">
                    <p class="text-lg" style="opacity: 0.7; margin-bottom: 1.5rem;">
                        Countdown displays a numeric value with smooth transition animation.
                        Supports reactive values for live countdowns.
                    </p>

                    <!-- Basic Example with Examplify -->
                    <div class="card bg-base-200" style="margin-bottom: 2rem;">
                        <div class="card-body">
                            <h2 class="card-title">Basic Example</h2>
                            <p class="text-sm" style="opacity: 0.7; margin-bottom: 1rem;">Static countdown values</p>

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                                globalThis.switchSyntaxTab = (tabId) => {
                                    const tabs = ['tagged', 'vdom', 'object'];
                                    tabs.forEach(t => {
                                        const tabEl = document.getElementById(`tab-btn-${t}`);
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                                    onclick="switchSyntaxTab('tagged')">Tagged</button>
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                                    onclick="switchSyntaxTab('vdom')">vDOM</button>
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                                    onclick="switchSyntaxTab('object')">Object
                                    DOM</button>
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                                <pre><script>
                                    examplify(document.currentScript.nextElementSibling, {
                                        at: document.currentScript.parentElement,
                                        scripts: ['/lightview.js', '/lightview-x.js'],
                                        styles: ['https://cdn.jsdelivr.net/npm/daisyui@3.9.4/dist/full.min.css'],
                                        type: 'module',
                                        minHeight: 80,
                                        autoRun: true
                                    });
                                </script><code contenteditable="true">await import('/components/data-display/countdown.js');
const { tags, $ } = Lightview;
const { div, span, Countdown } = tags;

const display = div({ style: 'display: flex; gap: 1.25rem' },
    Countdown({ value: 15, class: 'font-mono text-4xl' }),
    span({ class: 'text-4xl' }, ':'),
    Countdown({ value: 30, class: 'font-mono text-4xl' }),
    span({ class: 'text-4xl' }, ':'),
    Countdown({ value: 45, class: 'font-mono text-4xl' })
);

$('#example').content(display);</code></pre>
                            </div>

                            <!-- vDOM Syntax -->
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                                <pre><script>
                                    examplify(document.currentScript.nextElementSibling, {
                                        at: document.currentScript.parentElement,
                                        scripts: ['/lightview.js', '/lightview-x.js'],
                                        styles: ['https://cdn.jsdelivr.net/npm/daisyui@3.9.4/dist/full.min.css'],
                                        type: 'module',
                                        minHeight: 80
                                    });
                                </script><code contenteditable="true">await import('/components/data-display/countdown.js');
const { $, tags } = Lightview;
const { Countdown, div, span } = tags;

const display = {
    tag: div,
    attributes: { style: 'display: flex; gap: 1.25rem' },
    children: [
        { tag: Countdown, attributes: { value: 15, class: 'font-mono text-4xl' } },
        { tag: span, attributes: { class: 'text-4xl' }, children: [':'] },
        { tag: Countdown, attributes: { value: 30, class: 'font-mono text-4xl' } },
        { tag: span, attributes: { class: 'text-4xl' }, children: [':'] },
        { tag: Countdown, attributes: { value: 45, class: 'font-mono text-4xl' } }
    ]
};

$('#example').content(display);</code></pre>
                            </div>

                            <!-- Object DOM Syntax -->
                            <div id="syntax-object" style="display: none;">
                                <pre><script>
                                    examplify(document.currentScript.nextElementSibling, {
                                        at: document.currentScript.parentElement,
                                        scripts: ['/lightview.js', '/lightview-x.js'],
                                        styles: ['https://cdn.jsdelivr.net/npm/daisyui@3.9.4/dist/full.min.css'],
                                        type: 'module',
                                        minHeight: 80
                                    });
                                </script><code contenteditable="true">await import('/components/data-display/countdown.js');
const { $ } = Lightview;

const display = {
    div: {
        style: 'display: flex; gap: 1.25rem',
        children: [
            { Countdown: { value: 15, class: 'font-mono text-4xl' } },
            { span: { class: 'text-4xl', children: [':'] } },
            { Countdown: { value: 30, class: 'font-mono text-4xl' } },
            { span: { class: 'text-4xl', children: [':'] } },
            { Countdown: { value: 45, class: 'font-mono text-4xl' } }
        ]
    }
};

$('#example').content(display);</code></pre>
                            </div>
                        </div>
                    </div>

                    <!-- Reactive Example with Examplify -->
                    <div class="card bg-base-200" style="margin-bottom: 2rem;">
                        <div class="card-body">
                            <h2 class="card-title">Live Timer</h2>
                            <p class="text-sm" style="opacity: 0.7; margin-bottom: 1rem;">Reactive countdown with
                                animated
                                transitions</p>

                            <!-- Tabs -->
                            <script>
                                globalThis.switchReactiveSyntaxTab = (tabId) => {
                                    const tabs = ['tagged', 'vdom', 'object'];
                                    tabs.forEach(t => {
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                                        }
                                    });
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                                <pre><script>
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                                        at: document.currentScript.parentElement,
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                                        styles: ['https://cdn.jsdelivr.net/npm/daisyui@3.9.4/dist/full.min.css'],
                                        type: 'module',
                                        minHeight: 160
                                    });
                                </script><code contenteditable="true">await import('/components/data-display/countdown.js');
await import('/components/actions/button.js');

const { signal, tags, $ } = Lightview;
const { div, Countdown, Button } = tags;

const seconds = signal(30);
const running = signal(false);
let interval = null;

const toggle = () => {
    if (running.value) {
        clearInterval(interval);
        running.value = false;
    } else {
        running.value = true;
        interval = setInterval(() => {
            if (seconds.value > 0) {
                seconds.value--;
            } else {
                clearInterval(interval);
                running.value = false;
            }
        }, 1000);
    }
};

const reset = () => {
    clearInterval(interval);
    running.value = false;
    seconds.value = 30;
};

const demo = div({ style: 'display: flex; flex-direction: column; align-items: center; gap: 1rem' },
    Countdown({ value: () => seconds.value, class: 'font-mono text-6xl' }),
    div({ style: 'display: flex; gap: 0.5rem' },
        Button({ 
            color: () => running.value ? 'error' : 'primary',
            onclick: toggle 
        }, () => running.value ? 'Pause' : 'Start'),
        Button({ onclick: reset }, 'Reset')
    )
);

$('#example').content(demo);</code></pre>
                            </div>

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                                <pre><script>
                                    examplify(document.currentScript.nextElementSibling, {
                                        at: document.currentScript.parentElement,
                                        scripts: ['/lightview.js', '/lightview-x.js'],
                                        styles: ['https://cdn.jsdelivr.net/npm/daisyui@3.9.4/dist/full.min.css'],
                                        type: 'module',
                                        minHeight: 160
                                    });
                                </script><code contenteditable="true">await import('/components/data-display/countdown.js');
await import('/components/actions/button.js');
const { signal, $, tags } = Lightview;
const { Countdown, div, Button } = tags;

const seconds = signal(30);
const running = signal(false);
let interval = null;

const toggle = () => {
    if (running.value) {
        clearInterval(interval);
        running.value = false;
    } else {
        running.value = true;
        interval = setInterval(() => {
            if (seconds.value > 0) {
                seconds.value--;
            } else {
                clearInterval(interval);
                running.value = false;
            }
        }, 1000);
    }
};

const reset = () => {
    clearInterval(interval);
    running.value = false;
    seconds.value = 30;
};

const demo = {
    tag: div,
    attributes: { style: 'display: flex; flex-direction: column; align-items: center; gap: 1rem' },
    children: [
        {
            tag: Countdown,
            attributes: { value: () => seconds.value, class: 'font-mono text-6xl' }
        },
        {
            tag: div,
            attributes: { style: 'display: flex; gap: 0.5rem' },
            children: [
                {
                    tag: Button,
                    attributes: { color: () => running.value ? 'error' : 'primary', onclick: toggle },
                    children: [() => running.value ? 'Pause' : 'Start']
                },
                { tag: Button, attributes: { onclick: reset }, children: ['Reset'] }
            ]
        }
    ]
};

$('#example').content(demo);</code></pre>
                            </div>

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                            <div id="reactive-syntax-object" style="display: none;">
                                <pre><script>
                                    examplify(document.currentScript.nextElementSibling, {
                                        at: document.currentScript.parentElement,
                                        scripts: ['/lightview.js', '/lightview-x.js'],
                                        styles: ['https://cdn.jsdelivr.net/npm/daisyui@3.9.4/dist/full.min.css'],
                                        type: 'module',
                                        minHeight: 160
                                    });
                                </script><code contenteditable="true">await import('/components/data-display/countdown.js');
await import('/components/actions/button.js');
const { signal, $ } = Lightview;

const seconds = signal(30);
const running = signal(false);
let interval = null;

const toggle = () => {
    if (running.value) {
        clearInterval(interval);
        running.value = false;
    } else {
        running.value = true;
        interval = setInterval(() => {
            if (seconds.value > 0) {
                seconds.value--;
            } else {
                clearInterval(interval);
                running.value = false;
            }
        }, 1000);
    }
};

const reset = () => {
    clearInterval(interval);
    running.value = false;
    seconds.value = 30;
};

const demo = {
    div: {
        style: 'display: flex; flex-direction: column; align-items: center; gap: 1rem',
        children: [
            { Countdown: { value: () => seconds.value, class: 'font-mono text-6xl' } },
            {
                div: {
                    style: 'display: flex; gap: 0.5rem',
                    children: [
                        { Button: { color: () => running.value ? 'error' : 'primary', onclick: toggle, children: [() => running.value ? 'Pause' : 'Start'] } },
                        { Button: { onclick: reset, children: ['Reset'] } }
                    ]
                }
            }
        ]
    }
};

$('#example').content(demo);</code></pre>
                            </div>
                        </div>
                    </div>

                    <!-- Props Table -->
                    <h2 class="text-xl font-bold" style="margin-bottom: 1rem;">Props</h2>
                    <div style="overflow-x: auto; margin-bottom: 2rem;">
                        <table class="table table-zebra">
                            <thead>
                                <tr>
                                    <th>Prop</th>
                                    <th>Type</th>
                                    <th>Default</th>
                                    <th>Description</th>
                                </tr>
                            </thead>
                            <tbody>
                                <tr>
                                    <td><code>value</code></td>
                                    <td>number | function</td>
                                    <td>0</td>
                                    <td>Countdown value (0-99, reactive)</td>
                                </tr>
                            </tbody>
                        </table>
                    </div>

                    <!-- Static Examples -->
                    <h2 class="text-xl font-bold" style="margin-bottom: 1rem;">With Labels</h2>
                    <div
                        style="display: grid; grid-auto-flow: column; grid-auto-columns: max-content; gap: 1.25rem; text-align: center; margin-bottom: 2rem;">
                        <div style="display: flex; flex-direction: column; padding: 0.5rem;"
                            class="bg-neutral rounded-box text-neutral-content">
                            <span class="countdown font-mono text-5xl" style="line-height: 1.2em; height: 1.2em;"><span
                                    id="cd-days" style="--value:15; height: 1.2em;"></span></span>
                            days
                        </div>
                        <div style="display: flex; flex-direction: column; padding: 0.5rem;"
                            class="bg-neutral rounded-box text-neutral-content">
                            <span class="countdown font-mono text-5xl" style="line-height: 1.2em; height: 1.2em;"><span
                                    id="cd-hours" style="--value:10; height: 1.2em;"></span></span>
                            hours
                        </div>
                        <div style="display: flex; flex-direction: column; padding: 0.5rem;"
                            class="bg-neutral rounded-box text-neutral-content">
                            <span class="countdown font-mono text-5xl" style="line-height: 1.2em; height: 1.2em;"><span
                                    id="cd-min" style="--value:24; height: 1.2em;"></span></span>
                            min
                        </div>
                        <div style="display: flex; flex-direction: column; padding: 0.5rem;"
                            class="bg-neutral rounded-box text-neutral-content">
                            <span class="countdown font-mono text-5xl" style="line-height: 1.2em; height: 1.2em;"><span
                                    id="cd-sec" style="--value:59; height: 1.2em;"></span></span>
                            sec
                        </div>
                    </div>


                </div>
            </div>

            <script>
                // Animate the seconds countdown
                let sec = 59;
                setInterval(() => {
                    sec = sec > 0 ? sec - 1 : 59;
                    const el = document.getElementById('cd-sec');
                    if (el) el.style.setProperty('--value', sec);
                }, 1000);