<div id="counter" :scope="{ count: 0 }">
  <p :text="`Clicked ${count} times`"></p>
  <button :onclick="count++">Click me</button>
</div>

<script src="https://cdn.jsdelivr.net/npm/[email protected]" start></script>

Welcome, <span :text="user.name">Guest</span>.

<!-- fragment -->
Welcome, <template :text="user.name"><template>.

<!-- function -->
<span :text="val => val + text"></span>

<div :class="foo"></div>

<!-- appends to static class -->
<div class="bar" :class="baz"></div>

<!-- array/object, a-la clsx -->
<div :class="['foo', bar && 'bar', { baz }]"></div>

<!-- function -->
<div :class="str => [str, 'active']"></div>

<span :style="'display: inline-block'"></span>

<!-- extends static style -->
<div style="foo: bar" :style="'bar-baz: qux'">

<!-- object -->
<div :style="{bar: 'baz', '--qux': 'quv'}"></div>

<!-- function -->
<div :style="obj => ({'--bar': baz})"></div>

<input :value="value" />
<textarea :value="value" />

<!-- handles option & selected attr -->
<select :value="selected">
  <option :each="i in 5" :value="i" :text="i"></option>
</select>

<!-- checked attr -->
<input type="checkbox" :value="item.done" />

<!-- function -->
<input :value="value => value + str" />

<label :for="name" :text="name" />

<!-- multiple -->
<input :id:name="name" />

<!-- function -->
<div :hidden="hidden => !hidden"></div>

<!-- spread -->
<input :="{ id: name, name, type: 'text', value, ...props  }" />

<span :if="foo">foo</span>
<span :else :if="bar">bar</span>
<span :else>baz</span>

<!-- fragment -->
<template :if="foo">foo <span>bar</span> baz</template>

<!-- function -->
<span :if="active => test()"></span>

<ul><li :each="item in items" :text="item" /></ul>

<!-- cases -->
<li :each="item, idx? in array" />
<li :each="value, key? in object" />
<li :each="count, idx? in number" />
<li :each="item, idx? in function" />

<!-- fragment -->
<template :each="item in items">
  <dt :text="item.term"/>
  <dd :text="item.definition"/>
</template>

<!-- transparent -->
<x :scope="{foo: 'foo'}">
  <y :scope="{bar: 'bar'}" :text="foo + bar"></y>
</x>

<!-- define variables -->
<x :scope="x=1, y=2" :text="x+y"></x>

<!-- blank -->
<x :scope :ref="id"></x>

<!-- access to local scope instance -->
<x :scope="scope => { scope.x = 'foo'; return scope }" :text="x"></x>

<!-- inline -->
<div :fx="a.value ? foo() : bar()" />

<!-- function / cleanup -->
<div :fx="() => (id = setInterval(tick, 1000), () => clearInterval(id))" />

<div :ref="card" :fx="handle(card)"></div>

<!-- reference -->
<div :ref="el => el.innerHTML = '...'"></div>

<!-- local reference -->
<li :each="item in items" :scope :ref="li">
  <input :onfocus="e => li.classList.add('editing')"/>
</li>

<!-- mount / unmount -->
<textarea :ref="el => {/* onmount */ return () => {/* onunmount */}}" :if="show"></textarea>

<!-- inline -->
<button :onclick="count++">Up</button>

<!-- function -->
<input type="checkbox" :onchange="event => isChecked = event.target.value">

<!-- multiple -->
<input :onvalue="text" :oninput:onchange="event => text = event.target.value">

<!-- sequence -->
<button :onfocus..onblur="evt => { handleFocus(); return evt => handleBlur()}">

<!-- modifiers -->
<button :onclick.throttle-500="handle()">Not too often</button>

<!-- debounce keyboard input by 200ms -->
<input :oninput.debounce-200="event => update(event)" />

<!-- set class in the next tick -->
<div :class.debounce-tick="{ active }">...</div>

<!-- debounce resize to animation framerate -->
<div :onresize.window.debounce-frame="updateSize()">...</div>

<!-- batch logging when idle -->
<div :fx.debounce-idle="sendAnalytics(batch)"></div>

<!-- throttle text update -->
<div :text.throttle-100="text.length"></div>

<!-- lock style update to animation framerate -->
<div :onscroll.throttle-frame="progress = (scrollTop / scrollHeight) * 100"/>

<!-- ensure separate stack for events -->
<div :onmessage.window.throttle-tick="event => log(event)">...</div>

<!-- run event callback only once -->
<button :onclick.once="loadMoreData()">Start</button>

<!-- run once on sprae init -->
<div :fx.once="console.log('sprae init')">

<!-- close dropdown when click outside -->
<div :onclick.outside="closeMenu()" :class="{ open: isOpen }">Dropdown</div>

<!-- interframe communication -->
<div :onmessage.window="e => e.data.type === 'success' && complete()">...</div>

<div :onscroll.passive="e => pos = e.scrollTop">Scroll me</div>

<body :ontouchstart.capture="logTouch(e)"></body>

<!-- prevent default -->
<a :onclick.prevent="navigate('/page')" href="/default">Go</a>

<!-- stop immediate propagation -->
<button :onclick.stop-immediate="criticalHandle()">Click</button>

<!-- any arrow event -->
<div :onkeydown.arrow="event => navigate(event.key)"></div>

<!-- key combination -->
<input :onkeydown.prevent.ctrl-c="copy(clean(value))">

<span :fx.once="init(x)" :fx.update="() => (update(), () => destroy())">

<div id="counter" :scope="{count: 1}">
  <p :text="`Clicked ${count} times`"></p>
  <button :onclick="count++">Click me</button>
</div>

<script src="./sprae.js" data-sprae-start="#counter"></script>

<script src="./sprae.js"></script>
<script>
  // watch & autoinit els
  sprae.start(document.body, { count: 1 });

  // OR init individual el (no watch)
  const state = sprae(document.getElementById('counter'), { count: 0 })
</script>

<script type="module">
  import sprae from './sprae.js'

  // init
  const state = sprae(document.getElementById('counter'), { count: 0 })

  // update state
  state.count++
</script>