app/lib/search/sort.mjs

Functions

Imports

It imports no other module of this repo. Imported by app/lib/search/search.server.ts.

Source

1// Relevance stays the default: the best pages here are old papers, which a date-first list buries.
2
3/**
4 * @typedef {"relevance" | "date"} SearchSort
5 */
6
7/**
8 * @param {string | null | undefined} value
9 * @returns {SearchSort}
10 */
11export function parseSort(value) {
12  return value === "date" ? "date" : "relevance";
13}
14
15/**
16 * Undated rows sort last via -Infinity, not 0, which would misplace a pre-epoch date. The caller
17 * paginates after sorting, since sorting one page of ten reads as a broken list.
18 *
19 * @template {{ publishAt: number | null }} T
20 * @param {T[]} hits
21 * @param {SearchSort} sort
22 * @returns {T[]}
23 */
24export function applySort(hits, sort) {
25  if (sort !== "date") return hits;
26  return [...hits].sort((a, b) => (b.publishAt ?? -Infinity) - (a.publishAt ?? -Infinity));
27}