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| const CountdownTimer = (() => {
const config = {
units: {
day: { text: "今日", divider: 1, unit: "小时" },
week: { text: "本周", divider: 24, unit: "天" },
month: { text: "本月", divider: 24, unit: "天" },
year: { text: "本年", divider: 24, unit: "天" }
}
};
function getTimeUnit(unit) {
const now = new Date();
const start = new Date(now.setHours(0, 0, 0, 0));
const end = new Date(now.setHours(23, 59, 59, 999));
if (unit === 'day') {
const currentHour = new Date().getHours();
const remaining = 24 - currentHour;
const percentage = (currentHour / 24) * 100;
return {
name: config.units[unit].text,
remaining: remaining,
percentage: percentage.toFixed(2),
unit: config.units[unit].unit
};
}
const ranges = {
week: () => {
start.setDate(start.getDate() - start.getDay());
end.setDate(end.getDate() - end.getDay() + 6);
},
month: () => {
start.setDate(1);
end.setMonth(end.getMonth() + 1, 0);
},
year: () => {
start.setMonth(0, 1);
end.setMonth(11, 31);
}
};
ranges[unit]?.();
const total = unit === "day" ? 24 : Math.floor((end - start) / 86400000) + 1;
const passed = Math.floor((now - start) / (3600000 * config.units[unit].divider));
const percentage = (passed / total) * 100;
return {
name: config.units[unit].text,
remaining: total - passed,
percentage: percentage.toFixed(2),
unit: config.units[unit].unit
};
}
function updateCountdown() {
const elements = ['eventName', 'eventDate', 'daysUntil', 'countRight']
.map(id => document.getElementById(id));
if (elements.some(el => !el)) return;
const [eventName, eventDate, daysUntil, countRight] = elements;
const timeData = Object.keys(config.units).reduce((acc, unit) => ({ ...acc, [unit]: getTimeUnit(unit) }), {});
const daysRemaining = Math.round((new Date(eventDate.textContent) - new Date().setHours(0, 0, 0, 0)) / 86400000);
daysUntil.textContent = daysRemaining;
countRight.innerHTML = Object.entries(timeData)
.map(([_, item]) => `
<div class="cd-count-item">
<div class="cd-item-name">${item.name}</div>
<div class="cd-item-progress">
<div class="cd-progress-bar" style="width: ${item.percentage}%; opacity: ${item.percentage / 100}"></div>
<span class="cd-percentage ${item.percentage >= 46 ? 'cd-many' : ''}">${item.percentage}%</span>
<span class="cd-remaining ${item.percentage >= 60 ? 'cd-many' : ''}">
<span class="cd-tip">还剩</span>${item.remaining}<span class="cd-tip">${item.unit}</span>
</span>
</div>
</div>
`).join('');
}
function injectStyles() {
const styles = `
.card-countdown .item-content {
display: flex;
}
.cd-count-left {
position: relative;
display: flex;
flex-direction: column;
margin-right: 0.8rem;
line-height: 1.5;
align-items: center;
justify-content: center;
}
.cd-count-left .cd-text {
font-size: 14px;
}
.cd-count-left .cd-name {
font-weight: bold;
font-size: 18px;
}
.cd-count-left .cd-time {
font-size: 30px;
font-weight: bold;
color: var(--anzhiyu-main);
}
.cd-count-left .cd-date {
font-size: 12px;
opacity: 0.6;
}
.cd-count-left::after {
content: "";
position: absolute;
right: -0.8rem;
width: 2px;
height: 80%;
background-color: var(--anzhiyu-main);
opacity: 0.5;
}
.cd-count-right {
flex: 1;
margin-left: .8rem;
display: flex;
flex-direction: column;
justify-content: space-between;
}
.cd-count-item {
display: flex;
flex-direction: row;
align-items: center;
height: 24px;
}
.cd-item-name {
font-size: 14px;
margin-right: 0.8rem;
white-space: nowrap;
}
.cd-item-progress {
position: relative;
display: flex;
flex-direction: row;
align-items: center;
justify-content: space-between;
height: 100%;
width: 100%;
border-radius: 8px;
background-color: var(--anzhiyu-background);
overflow: hidden;
}
.cd-progress-bar {
height: 100%;
border-radius: 8px;
background-color: var(--anzhiyu-main);
}
.cd-percentage,
.cd-remaining {
position: absolute;
font-size: 12px;
margin: 0 6px;
transition: opacity 0.3s ease-in-out, transform 0.3s ease-in-out;
}
.cd-many {
color: #fff;
}
.cd-remaining {
opacity: 0;
transform: translateX(10px);
}
.card-countdown .item-content:hover .cd-remaining {
transform: translateX(0);
opacity: 1;
}
.card-countdown .item-content:hover .cd-percentage {
transform: translateX(-10px);
opacity: 0;
}
`;
const styleSheet = document.createElement("style");
styleSheet.textContent = styles;
document.head.appendChild(styleSheet);
}
let timer;
const start = () => {
injectStyles();
updateCountdown();
timer = setInterval(updateCountdown, 600000);
};
['pjax:complete', 'DOMContentLoaded'].forEach(event => document.addEventListener(event, start));
document.addEventListener('pjax:send', () => timer && clearInterval(timer));
return { start, stop: () => timer && clearInterval(timer) };
})();
|
