110 lines
3.8 KiB
TypeScript
110 lines
3.8 KiB
TypeScript
import Link from 'next/link';
|
|
import type { Post } from 'contentlayer/generated';
|
|
|
|
interface Props {
|
|
current: Post;
|
|
newer?: Post;
|
|
older?: Post;
|
|
}
|
|
|
|
interface StationConfig {
|
|
key: 'older' | 'current' | 'newer';
|
|
label: string;
|
|
post?: Post;
|
|
rel?: 'prev' | 'next';
|
|
subtitle: string;
|
|
}
|
|
|
|
export function PostStorylineNav({ current, newer, older }: Props) {
|
|
const stations: StationConfig[] = [
|
|
{
|
|
key: 'older',
|
|
label: '上一站',
|
|
post: older,
|
|
subtitle: older ? '回顧這篇' : '到達起點',
|
|
rel: 'prev'
|
|
},
|
|
{
|
|
key: 'current',
|
|
label: '你在這裡',
|
|
post: current,
|
|
subtitle: '正在閱讀'
|
|
},
|
|
{
|
|
key: 'newer',
|
|
label: '下一站',
|
|
post: newer,
|
|
subtitle: newer ? '繼續前往' : '尚無新章',
|
|
rel: 'next'
|
|
}
|
|
];
|
|
|
|
return (
|
|
<nav aria-label="文章導覽" className="relative mt-10">
|
|
<div className="relative overflow-hidden rounded-[32px] border border-slate-200/70 bg-gradient-to-r from-white via-slate-50 to-white px-6 py-10 shadow-lg dark:border-slate-800/70 dark:from-slate-900 dark:via-slate-900/80 dark:to-slate-900">
|
|
<div className="pointer-events-none absolute inset-x-10 top-1/2 hidden -translate-y-1/2 items-center gap-3 text-slate-300 dark:text-slate-600 md:flex">
|
|
<span className="h-0 w-0 border-y-[7px] border-y-transparent border-r-[14px] border-r-current" />
|
|
<span className="flex-1 border-t border-dashed border-current" />
|
|
<span className="h-0 w-0 rotate-180 border-y-[7px] border-y-transparent border-r-[14px] border-r-current" />
|
|
</div>
|
|
<div className="relative grid gap-8 md:grid-cols-3">
|
|
{stations.map((station) => (
|
|
<Station key={station.key} station={station} />
|
|
))}
|
|
</div>
|
|
</div>
|
|
</nav>
|
|
);
|
|
}
|
|
|
|
function Station({ station }: { station: StationConfig }) {
|
|
const { post, label, rel, subtitle, key } = station;
|
|
const isCurrent = key === 'current';
|
|
|
|
const capsule = (
|
|
<span
|
|
className={`flex h-14 w-14 items-center justify-center rounded-full border-2 text-[11px] font-semibold uppercase tracking-[0.35em] transition duration-300 ${
|
|
isCurrent
|
|
? 'border-blue-500 bg-blue-500 text-white shadow-[0_0_20px_rgba(59,130,246,0.35)]'
|
|
: post
|
|
? 'border-slate-300 bg-white text-slate-500 dark:border-slate-700 dark:bg-slate-900'
|
|
: 'border-dashed border-slate-300 text-slate-400 dark:border-slate-700'
|
|
}`}
|
|
>
|
|
{label === '下一站' ? 'NEXT' : label === '上一站' ? 'PREV' : 'NOW'}
|
|
</span>
|
|
);
|
|
|
|
if (!post) {
|
|
return (
|
|
<div className="flex flex-col items-center gap-3 text-center text-slate-400">
|
|
{capsule}
|
|
<p className="text-xs tracking-[0.35em] uppercase">{label}</p>
|
|
<p className="text-base font-semibold text-slate-400">{subtitle}</p>
|
|
</div>
|
|
);
|
|
}
|
|
|
|
return (
|
|
<Link
|
|
href={post.url}
|
|
rel={rel}
|
|
className="group flex flex-col items-center gap-3 text-center text-slate-900 transition duration-300 hover:-translate-y-1 hover:text-blue-600 focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-blue-400 dark:text-slate-50"
|
|
>
|
|
<span className="relative flex items-center">
|
|
{capsule}
|
|
<span className={`absolute inset-x-2 top-full mt-2 h-1 rounded-full transition ${isCurrent ? 'bg-blue-500/70' : 'bg-transparent group-hover:bg-blue-400/60'}`} />
|
|
</span>
|
|
<p className="text-[11px] uppercase tracking-[0.4em] text-slate-400 dark:text-slate-500">
|
|
{label}
|
|
</p>
|
|
<p className="text-lg font-semibold leading-snug tracking-tight">
|
|
{post.title}
|
|
</p>
|
|
<span className="text-xs text-slate-500 transition group-hover:text-blue-500 dark:text-slate-400">
|
|
{subtitle}
|
|
</span>
|
|
</Link>
|
|
);
|
|
}
|