g1t/apps/status/src/postmortem.ts

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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.

status.g1t.sh with incident management, invites that land you in the workspace, settings as pages, usage without quotas1/**
2 * A postmortem's starting point: the timeline written out from the
3 * incident's own, the impact from its parts and times, and the follow-ups
4 * as action items. Staff edit it before publishing. No Workers imports.
5 */
6import type { AdminIncident, FollowUp, PostmortemFields, TimelineEntry } from "@g1t/contracts";
7
8import { duration } from "./incidents.ts";
9import { IMPACT_WORD } from "./model.ts";
10
11const MONTHS = ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"];
12
13/** "5 Oct 14:03 UTC". */
14export function stamp(at: string): string {
15 const d = new Date(at);
16 const hh = String(d.getUTCHours()).padStart(2, "0");
17 const mm = String(d.getUTCMinutes()).padStart(2, "0");
18 return `${d.getUTCDate()} ${MONTHS[d.getUTCMonth()]} ${hh}:${mm} UTC`;
19}
20
21/** Lines not worth a reader's time: acknowledgements, follow-up ticks, the postmortem itself. */
22const SKIP = new Set(["acknowledged", "followup", "postmortem"]);
23
24/** The internal timeline as a list, one line per entry, public updates marked. */
25export function timelineText(entries: TimelineEntry[]): string {
26 return entries
27 .filter((e) => !SKIP.has(e.kind))
28 .map((e) => `- ${stamp(e.at)}: ${e.kind === "update" ? "Status page: " : ""}${e.text.replace(/\s*\n+\s*/g, " ")}`)
29 .join("\n");
30}
31
32export function postmortemDraft(
33 incident: Pick<AdminIncident, "started_at" | "resolved_at" | "components" | "durations">,
34 timeline: TimelineEntry[],
35 followups: FollowUp[],
36 names: Map<string, string>,
37): PostmortemFields {
38 const parts = incident.components
39 .filter((c) => c.impact !== "operational")
40 .map((c) => `${names.get(c.key) ?? c.key} (${IMPACT_WORD[c.impact].toLowerCase()})`);
41 const lasted = incident.durations.to_resolve != null ? ` for ${duration(incident.durations.to_resolve)}` : "";
42 const window = `from ${stamp(incident.started_at)}${incident.resolved_at ? ` to ${stamp(incident.resolved_at)}` : ""}`;
43 return {
44 summary: "",
45 impact: `${parts.join(", ") || "No part"} affected${lasted}, ${window}.`,
46 timeline: timelineText(timeline),
47 root_cause: "",
48 went_well: "",
49 went_badly: "",
50 action_items: followups.map((f) => `- ${f.title}`).join("\n"),
51 };
52}