Pick any line to see why it is the way it is: the commit, the pull request and issue it came from, and what the agent was thinking.
| The sidebar asks billing whether it is on, not for the account, so no page waits on the card processor | 1 | /** |
| 2 | * The status page's feeds: every public incident update and maintenance | |
| 3 | * notice, newest first, as Atom (`/feed.xml`) and JSON Feed | |
| 4 | * (`/feed.json`). No Workers imports, so it is tested under Node. | |
| 5 | */ | |
| 6 | import type { StatusIncident, StatusMaintenance } from "@g1t/contracts"; | |
| 7 | ||
| 8 | import { INCIDENT_STATUS } from "./model.ts"; | |
| 9 | ||
| 10 | export type FeedItem = { | |
| 11 | /** Unique and stable: the page's address with the update's anchor. */ | |
| 12 | id: string; | |
| 13 | url: string; | |
| 14 | title: string; | |
| 15 | text: string; | |
| 16 | at: string; | |
| 17 | }; | |
| 18 | ||
| 19 | /** How many items a feed carries. */ | |
| 20 | export const FEED_SIZE = 50; | |
| 21 | ||
| 22 | /** Feed items from incidents and maintenance, newest first. */ | |
| 23 | export function feedItems(incidents: StatusIncident[], maintenance: StatusMaintenance[], size = FEED_SIZE): FeedItem[] { | |
| 24 | const items: FeedItem[] = []; | |
| 25 | for (const incident of incidents) { | |
| 26 | for (const update of incident.updates) { | |
| 27 | items.push({ | |
| 28 | id: `${incident.url}#update-${update.id}`, | |
| 29 | url: `${incident.url}#update-${update.id}`, | |
| 30 | title: `${INCIDENT_STATUS[update.status]}: ${incident.title}`, | |
| 31 | text: update.text, | |
| 32 | at: update.at, | |
| 33 | }); | |
| 34 | } | |
| 35 | } | |
| 36 | for (const m of maintenance) { | |
| 37 | for (const update of m.updates) { | |
| 38 | items.push({ id: `${m.url}#update-${update.id}`, url: `${m.url}#update-${update.id}`, title: `Maintenance: ${m.title}`, text: update.text, at: update.at }); | |
| 39 | } | |
| 40 | } | |
| 41 | return items.sort((a, b) => b.at.localeCompare(a.at)).slice(0, size); | |
| 42 | } | |
| 43 | ||
| 44 | function xml(text: string): string { | |
| 45 | return text.replace(/[&<>"']/g, (c) => ({ "&": "&", "<": "<", ">": ">", '"': """, "'": "'" })[c]!); | |
| 46 | } | |
| 47 | ||
| 48 | export type FeedOptions = { origin: string; title: string; updated: string }; | |
| 49 | ||
| 50 | export function atom(items: FeedItem[], { origin, title, updated }: FeedOptions): string { | |
| 51 | const entries = items | |
| 52 | .map( | |
| 53 | (item) => `<entry> | |
| 54 | <id>${xml(item.id)}</id> | |
| 55 | <title>${xml(item.title)}</title> | |
| 56 | <link rel="alternate" type="text/html" href="${xml(item.url)}"/> | |
| 57 | <updated>${xml(item.at)}</updated> | |
| 58 | <published>${xml(item.at)}</published> | |
| 59 | <content type="text">${xml(item.text)}</content> | |
| 60 | </entry>`, | |
| 61 | ) | |
| 62 | .join("\n"); | |
| 63 | return `<?xml version="1.0" encoding="utf-8"?> | |
| 64 | <feed xmlns="http://www.w3.org/2005/Atom"> | |
| 65 | <id>${xml(`${origin}/`)}</id> | |
| 66 | <title>${xml(title)}</title> | |
| 67 | <link rel="self" type="application/atom+xml" href="${xml(`${origin}/feed.xml`)}"/> | |
| 68 | <link rel="alternate" type="text/html" href="${xml(`${origin}/`)}"/> | |
| 69 | <updated>${xml(items[0]?.at ?? updated)}</updated> | |
| 70 | <author><name>g1t</name></author> | |
| 71 | ${entries} | |
| 72 | </feed> | |
| 73 | `; | |
| 74 | } | |
| 75 | ||
| 76 | /** JSON Feed 1.1. */ | |
| 77 | export function jsonFeed(items: FeedItem[], { origin, title }: FeedOptions): object { | |
| 78 | return { | |
| 79 | version: "https://jsonfeed.org/version/1.1", | |
| 80 | title, | |
| 81 | home_page_url: `${origin}/`, | |
| 82 | feed_url: `${origin}/feed.json`, | |
| 83 | language: "en", | |
| 84 | items: items.map((item) => ({ id: item.id, url: item.url, title: item.title, content_text: item.text, date_published: item.at })), | |
| 85 | }; | |
| 86 | } |
This file's history is long; its oldest lines are credited to the oldest commit read.