Featured "Write Like a Pro" Chrome Extension →
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AI writing assistant with autocomplete, web search, and citations
',
typed: 'Hi Sarah,\n\nThanks for the intro',
ghost: ' and happy to connect. Would Thursday at 2pm work for a quick call?'
},
{
app: 'Google Docs', icon: ICONS.docs,
meta: '',
typed: 'Our top priority for Q3 is',
ghost: ' shipping the new onboarding flow and cutting time-to-value in half.'
},
{
app: 'ChatGPT', icon: ICONS.chatgpt,
meta: '',
typed: 'Write a follow-up email to',
ghost: ' a client who hasn\u2019t replied in a week. Keep it friendly, short, and direct.'
}
];
var els = {
typed: root.querySelector('[data-hw-typed]'),
ghost: root.querySelector('[data-hw-ghost]'),
meta: root.querySelector('[data-hw-meta]'),
app: root.querySelector('.hw-app'),
appname: root.querySelector('[data-hw-appname]'),
icon: root.querySelector('[data-hw-icon]'),
windowEl: root.querySelector('.hw-window')
};
var reduced = window.matchMedia && window.matchMedia('(prefers-reduced-motion: reduce)').matches;
var current = 0, timers = [], phase = 'idle', ghostFull = '';
function clearTimers() { timers.forEach(clearTimeout); timers = []; }
function wait(fn, ms) { timers.push(setTimeout(fn, ms)); }
function setScenario(i, animate) {
current = i;
var s = SCENARIOS[i];
function apply() {
els.meta.innerHTML = s.meta;
els.appname.textContent = s.app;
els.icon.innerHTML = s.icon;
els.app.classList.remove('is-switching');
els.meta.classList.remove('is-switching');
}
els.typed.textContent = '';
els.typed.classList.remove('hw-accepted');
els.ghost.textContent = '';
if (animate && !reduced) {
els.app.classList.add('is-switching');
els.meta.classList.add('is-switching');
wait(apply, 250);
} else { apply(); }
}
function typeOut(text, done) {
var idx = 0;
phase = 'typing';
(function step() {
if (idx <= text.length) {
els.typed.textContent = text.slice(0, idx);
idx++;
wait(step, 32 + Math.random() * 46);
} else { done(); }
})();
}
function showGhost(text, done) {
phase = 'ghost';
ghostFull = text;
wait(function () { els.ghost.textContent = text; wait(done, 1500); }, 260);
}
function acceptGhost(fromUser) {
if (phase !== 'ghost' && phase !== 'waiting') return;
phase = 'accepting';
clearTimers();
els.typed.textContent = els.typed.textContent + ghostFull;
els.ghost.textContent = '';
els.typed.classList.add('hw-accepted');
wait(function () {
els.typed.classList.remove('hw-accepted');
wait(nextScenario, fromUser ? 2200 : 1700);
}, 600);
}
function nextScenario() { run((current + 1) % SCENARIOS.length, true); }
function run(i, animate) {
clearTimers();
setScenario(i, animate);
var s = SCENARIOS[i];
if (reduced) {
els.typed.textContent = s.typed;
els.ghost.textContent = s.ghost;
ghostFull = s.ghost;
phase = 'waiting';
wait(function () { acceptGhost(false); }, 3200);
return;
}
wait(function () {
typeOut(s.typed, function () {
showGhost(s.ghost, function () {
phase = 'waiting';
acceptGhost(false);
});
});
}, animate ? 500 : 350);
}
els.windowEl.addEventListener('keydown', function (e) {
if (e.key === 'Tab' && (phase === 'ghost' || phase === 'waiting')) {
e.preventDefault();
acceptGhost(true);
}
});
if ('IntersectionObserver' in window) {
var started = false;
var io = new IntersectionObserver(function (entries) {
entries.forEach(function (entry) {
if (entry.isIntersecting && !started) { started = true; run(0, false); }
else if (!entry.isIntersecting && started) { clearTimers(); }
else if (entry.isIntersecting && started && timers.length === 0) { run(current, false); }
});
}, { threshold: 0.3 });
io.observe(root);
} else {
run(0, false);
}
})();
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