pixies

1import fs from 'node:fs';
2import { getJson } from './http.js';
3
4const sources = [
5    {
6        file: "data/servers/ookla.json",
7        url: "https://www.speedtest.net/api/js/servers?limit=20",
8        format: (row) => ({
9            name: row.name,
10            sponsor: row.sponsor,
11            country: row.country,
12            cc: row.cc,
13            distance: row.distance,
14            host: row.host
15        }),
16        isCurrent: (entries) => entries.length === 0 || entries.every(([, value]) =>
17            value !== null && typeof value === "object" && "sponsor" in value && "name" in value)
18    },
19    {
20        file: "data/servers/librespeed.json",
21        url: "https://librespeed.org/backend-servers/servers.php",
22        format: (row) => row.name,
23        isCurrent: () => true
24    }
25];
26
27const isFileCurrent = (file, isCurrent) => {
28    try {
29        const parsed = JSON.parse(fs.readFileSync(file, "utf8"));
30        if (parsed === null || typeof parsed !== "object") return false;
31        return isCurrent(Object.entries(parsed));
32    } catch {
33        return false;
34    }
35};
36
37for (const {file, url, format, isCurrent} of sources) {
38    if (fs.existsSync(file) && isFileCurrent(file, isCurrent)) continue;
39
40    getJson(url)
41        .then((data) => {
42            const servers = Object.fromEntries((data ?? []).map((row) => [row.id, format(row)]));
43            fs.writeFileSync(file, JSON.stringify(servers, null, 4));
44        })
45        .catch(() => console.error("Could not load servers"));
46}
47