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---
import type {
GetStaticPaths,
InferGetStaticParamsType,
InferGetStaticPropsType,
} from "astro";
import { getCollection } from "astro:content";
import Base from "@layouts/Base.astro";
import DateSelector from "@components/DateSelector.astro";
import BlogCard from "@components/BlogCard.astro";
import { sortLastCreated } from "@lib/collection/helpers";
export const getStaticPaths = (async () => {
const posts = await getCollection("blog");
const archive = {
years: new Set<number>(),
monthsByYear: new Map<string, Set<number>>(),
daysByMonth: new Map<string, Set<number>>(),
postsByDate: new Map<string, typeof posts>(),
sortedDates: [] as string[],
};
const getYMD = (date: Date) => {
const y = date.getFullYear();
const m = date.getMonth() + 1;
const d = date.getDate();
return { y, m, d };
};
for (const post of posts) {
const { y, m, d } = getYMD(post.data.dateCreated);
archive.years.add(y);
if (!archive.monthsByYear.has(y.toString())) {
archive.monthsByYear.set(y.toString(), new Set());
}
archive.monthsByYear.get(y.toString())!.add(m);
const ym = `${y}/${String(m).padStart(2, "0")}`;
if (!archive.daysByMonth.has(ym)) archive.daysByMonth.set(ym, new Set());
archive.daysByMonth.get(ym)!.add(d);
const ymd = `${ym}/${String(d).padStart(2, "0")}`;
if (!archive.postsByDate.has(ymd)) archive.postsByDate.set(ymd, []);
archive.postsByDate.get(ymd)!.push(post);
}
archive.sortedDates = Array.from(archive.postsByDate.keys()).sort();
const paths = [];
const sortedYears = Array.from(archive.years).sort();
const lastYear = Math.max(...sortedYears.map(Number));
paths.push({
params: { year: undefined },
props: {
posts: posts.filter((p) =>
p.data.dateCreated.getFullYear() === lastYear
),
next: undefined,
previous: sortedYears?.[sortedYears.length - 2],
years: sortedYears,
months: Array.from(archive.monthsByYear.get(lastYear.toString()) ?? []),
},
});
for (const y of sortedYears) {
const yearPosts = posts.filter((p) =>
p.data.dateCreated.getFullYear() === Number(y)
);
const idx = sortedYears.indexOf(y);
paths.push({
params: { year: y },
props: {
posts: yearPosts,
next: sortedYears?.[idx + 1],
previous: sortedYears?.[idx - 1],
years: sortedYears,
months: Array.from(archive.monthsByYear.get(y.toString()) ?? []),
},
});
}
const allMonths = Array.from(archive.monthsByYear.entries())
.flatMap(([year, mset]) =>
Array.from(mset).map((m) => `${year}/${String(m).padStart(2, "0")}`)
)
.sort();
for (const [y, months] of archive.monthsByYear) {
const sortedMonths = Array.from(months).sort();
for (const m of sortedMonths) {
const monthPosts = posts.filter((p) => {
const d = p.data.dateCreated;
return (
d.getFullYear() === Number(y) &&
d.getMonth() + 1 === m
);
});
const ym = `${y}/${String(m).padStart(2, "0")}`;
const idx = allMonths.indexOf(ym);
paths.push({
params: { year: ym },
props: {
posts: monthPosts,
next: allMonths?.[idx + 1],
previous: allMonths?.[idx - 1],
years: sortedYears,
months: Array.from(months).sort(),
days: Array.from(archive.daysByMonth.get(ym) ?? []).sort(),
},
});
}
}
for (let i = 0; i < archive.sortedDates.length; i++) {
const ymd = archive.sortedDates[i];
const [y, m] = ymd.split("/");
paths.push({
params: { year: ymd },
props: {
posts: archive.postsByDate.get(ymd) ?? [],
next: archive.sortedDates?.[i + 1],
previous: archive.sortedDates?.[i - 1],
years: sortedYears,
months: Array.from(archive.monthsByYear.get(y) ?? []).sort(),
days: Array.from(archive.daysByMonth.get(`${y}/${m}`) ?? []).sort(),
},
});
}
return paths;
}) satisfies GetStaticPaths;
export type Params = InferGetStaticParamsType<typeof getStaticPaths>;
export type Props = InferGetStaticPropsType<typeof getStaticPaths>;
const title = "Blog";
const description = "Latest articles.";
let { posts, previous, next, years, months, days } = Astro.props;
posts = posts.sort(sortLastCreated);
const date = posts[0].data.dateCreated as Date;
---
<Base {title} {description}>
<main>
<h2>Blogue</h2>
{date && <DateSelector {date} {years} {months} {days} />}
{posts.map((post) => <BlogCard {...post} />)}
<div>
{previous && <a href={`/blog/${Astro.props.previous}`}>Previous</a>}
{next && <a href={`/blog/${Astro.props.next}`}>Next</a>}
</div>
</main>
</Base>
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