65 lines
2.4 KiB
TypeScript
65 lines
2.4 KiB
TypeScript
import { type CollectionEntry, getCollection } from "astro:content";
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import { siteConfig } from "@/site-config";
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/** filter out draft posts based on the environment */
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export async function getAllPosts() {
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return await getCollection("post", ({ data }) => {
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return import.meta.env.PROD ? !data.draft : true;
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});
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}
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/** returns the date of the post based on option in siteConfig.sortPostsByUpdatedDate */
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export function getPostSortDate(post: CollectionEntry<"post">) {
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return siteConfig.sortPostsByUpdatedDate && post.data.updatedDate !== undefined
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? new Date(post.data.updatedDate)
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: new Date(post.data.publishDate);
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}
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/** sort post by date (by siteConfig.sortPostsByUpdatedDate), desc.*/
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export function sortMDByDate(posts: CollectionEntry<"post">[]) {
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return posts.sort((a, b) => {
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const aDate = getPostSortDate(a).valueOf();
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const bDate = getPostSortDate(b).valueOf();
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return bDate - aDate;
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});
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}
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/** groups posts by year (based on option siteConfig.sortPostsByUpdatedDate), using the year as the key
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* Note: This function doesn't filter draft posts, pass it the result of getAllPosts above to do so.
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*/
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export function groupPostsByYear(posts: CollectionEntry<"post">[]) {
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return posts.reduce<Record<string, CollectionEntry<"post">[]>>((acc, post) => {
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const year = getPostSortDate(post).getFullYear();
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if (!acc[year]) {
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acc[year] = [];
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}
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acc[year]?.push(post);
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return acc;
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}, {});
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}
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/** returns all tags created from posts (inc duplicate tags)
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* Note: This function doesn't filter draft posts, pass it the result of getAllPosts above to do so.
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* */
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export function getAllTags(posts: CollectionEntry<"post">[]) {
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return posts.flatMap((post) => [...post.data.tags]);
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}
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/** returns all unique tags created from posts
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* Note: This function doesn't filter draft posts, pass it the result of getAllPosts above to do so.
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* */
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export function getUniqueTags(posts: CollectionEntry<"post">[]) {
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return [...new Set(getAllTags(posts))];
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}
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/** returns a count of each unique tag - [[tagName, count], ...]
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* Note: This function doesn't filter draft posts, pass it the result of getAllPosts above to do so.
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* */
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export function getUniqueTagsWithCount(posts: CollectionEntry<"post">[]): [string, number][] {
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return [
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...getAllTags(posts).reduce(
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(acc, t) => acc.set(t, (acc.get(t) ?? 0) + 1),
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new Map<string, number>(),
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),
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].sort((a, b) => b[1] - a[1]);
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}
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