handleError for SvelteKit 3: ids only for unknown errors, compact 404 log line; error page suggestions prefer the real parent over the section

src/lib/errors.test.ts

@@ -27,6 +27,10 @@ describe('suggestPages', () => {
 		expect(hrefs('/trackers/helth')).not.toContain('/trackers/health');
 		expect(hrefs('/trackers/helth', true)).toContain('/trackers/health');
 	});
+	it('ranks the tracker above the section it lives in', () => {
+		expect(hrefs('/trackers/carz')[0]).toBe('/trackers/cars');
+		expect(hrefs('/trackers/doesnotexist')).not.toContain('/trackers');
+	});
 	it('returns nothing for the home page or noise', () => {
 		expect(hrefs('/')).toEqual([]);
 		expect(hrefs('/zzqxj')).toEqual([]);

src/lib/errors.ts

@@ -122,8 +122,10 @@ export function suggestPages(pathname: string, isOwner: boolean, limit = 3): Sug
 			let score = 0;
 			for (const s of segments) score = Math.max(score, similarity(s, name), similarity(s, slug));
 			// Generic section names only count when spelled out: they match too much otherwise.
-			if (d.kind === 'page') score *= 0.8;
-			if (d.href !== '/' && path.startsWith(`${d.href}/`))
+			if (d.kind === 'page') score = path.startsWith(`${d.href}/`) ? 0 : score * 0.8;
+			// The closest real parent (/trackers/cars for /trackers/cars/nope); sections like
+			// /trackers are already in the navigation tiles.
+			if (d.kind !== 'page' && path.startsWith(`${d.href}/`))
 				score = Math.max(score, 0.9 + d.href.length / 1000);
 			return { d, score };
 		})