From 8fe66090e7d4a3a0dcde02cfa828a5c3bee63122 Mon Sep 17 00:00:00 2001
From: Maze Winther <mazewinther@gmail.com>
Date: Tue, 14 Apr 2026 23:55:20 +0200
Subject: feat: add support for technical details in changelog entries

---
 apps/web/src/app/changelog/utils.ts | 135 ++++++++++++++++++++++--------------
 1 file changed, 82 insertions(+), 53 deletions(-)

(limited to 'apps/web/src/app/changelog/utils.ts')

diff --git a/apps/web/src/app/changelog/utils.ts b/apps/web/src/app/changelog/utils.ts
index 3f38ab6b..682d376a 100644
--- a/apps/web/src/app/changelog/utils.ts
+++ b/apps/web/src/app/changelog/utils.ts
@@ -1,53 +1,82 @@
-import { allChangelogs } from "content-collections";
-
-export type Change = { type: string; text: string };
-export type Release = (typeof allChangelogs)[number];
-
-const knownSectionOrder = ["new", "improved", "fixed", "breaking"];
-
-const knownSectionTitles: Record<string, string> = {
-	new: "Features",
-	improved: "Improvements",
-	fixed: "Fixes",
-	breaking: "Breaking Changes",
-};
-
-export function getSectionTitle({ type }: { type: string }): string {
-	return (
-		knownSectionTitles[type] ?? type.charAt(0).toUpperCase() + type.slice(1)
-	);
-}
-
-export function groupAndOrderChanges({ changes }: { changes: Change[] }) {
-	const grouped = changes.reduce<Record<string, Change[]>>((acc, change) => {
-		if (!acc[change.type]) acc[change.type] = [];
-		acc[change.type].push(change);
-		return acc;
-	}, {});
-
-	const customTypes = Object.keys(grouped).filter(
-		(type) => !knownSectionOrder.includes(type),
-	);
-	const orderedTypes = [
-		...knownSectionOrder.filter((type) => grouped[type]?.length > 0),
-		...customTypes,
-	];
-
-	return { grouped, orderedTypes };
-}
-
-function isPublishedRelease({ published }: Release) {
-	return published !== false;
-}
-
-export function getSortedReleases() {
-	return allChangelogs
-		.filter(isPublishedRelease)
-		.sort((a, b) =>
-			b.version.localeCompare(a.version, undefined, { numeric: true }),
-		);
-}
-
-export function getReleaseByVersion({ version }: { version: string }) {
-	return getSortedReleases().find((release) => release.version === version);
-}
+import { allChangelogs } from "content-collections";
+
+export type Change = { type: string; text: string };
+export type Release = (typeof allChangelogs)[number];
+
+type ChangeSectionConfig = {
+	title: string;
+	order: number;
+	collapsible?: boolean;
+};
+
+const knownSectionConfigs: Record<string, ChangeSectionConfig> = {
+	new: { title: "Features", order: 0 },
+	improved: { title: "Improvements", order: 1 },
+	fixed: { title: "Fixes", order: 2 },
+	breaking: { title: "Breaking Changes", order: 3 },
+	technical: {
+		title: "Technical details",
+		order: 4,
+		collapsible: true,
+	},
+};
+
+function getSectionConfig({ type }: { type: string }): ChangeSectionConfig {
+	return (
+		knownSectionConfigs[type] ?? {
+			title: type.charAt(0).toUpperCase() + type.slice(1),
+			order: Number.MAX_SAFE_INTEGER,
+		}
+	);
+}
+
+export function getSectionTitle({ type }: { type: string }): string {
+	return getSectionConfig({ type }).title;
+}
+
+export function isSectionCollapsible({ type }: { type: string }): boolean {
+	return getSectionConfig({ type }).collapsible ?? false;
+}
+
+export function groupAndOrderChanges({ changes }: { changes: Change[] }) {
+	const typeEncounterOrder = new Map<string, number>();
+	const grouped = changes.reduce<Record<string, Change[]>>((acc, change) => {
+		if (!typeEncounterOrder.has(change.type)) {
+			typeEncounterOrder.set(change.type, typeEncounterOrder.size);
+		}
+		if (!acc[change.type]) acc[change.type] = [];
+		acc[change.type].push(change);
+		return acc;
+	}, {});
+
+	const orderedTypes = Object.keys(grouped).sort((left, right) => {
+		const orderDifference =
+			getSectionConfig({ type: left }).order -
+			getSectionConfig({ type: right }).order;
+		if (orderDifference !== 0) {
+			return orderDifference;
+		}
+		return (
+			(typeEncounterOrder.get(left) ?? Number.MAX_SAFE_INTEGER) -
+			(typeEncounterOrder.get(right) ?? Number.MAX_SAFE_INTEGER)
+		);
+	});
+
+	return { grouped, orderedTypes };
+}
+
+function isPublishedRelease({ published }: Release) {
+	return published !== false;
+}
+
+export function getSortedReleases() {
+	return allChangelogs
+		.filter(isPublishedRelease)
+		.sort((a, b) =>
+			b.version.localeCompare(a.version, undefined, { numeric: true }),
+		);
+}
+
+export function getReleaseByVersion({ version }: { version: string }) {
+	return getSortedReleases().find((release) => release.version === version);
+}
-- 
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