feat: combine TFL alerts into single feed item (#107)

TflSource.fetchItems() now returns one TflStatusFeedItem with an
alerts array instead of separate items per line disruption. Signals
use the highest severity. Alerts sorted by station distance.

Co-authored-by: Ona <no-reply@ona.com>
This commit is contained in:
2026-03-30 00:00:41 +01:00
committed by GitHub
parent 1483805f13
commit f549859a44
6 changed files with 322 additions and 167 deletions

View File

@@ -3,7 +3,7 @@ import type { FeedItemRenderer } from "@aelis/core"
import { FeedCard, SansSerifText } from "@aelis/components"
import type { TflAlertData } from "./types.ts"
import type { TflAlertData, TflStatusData } from "./types.ts"
import { TflAlertSeverity } from "./types.ts"
@@ -21,20 +21,26 @@ function formatDistance(km: number): string {
return `${(meters / 1000).toFixed(1)}km away`
}
export const renderTflAlert: FeedItemRenderer<"tfl-alert", TflAlertData> = (item) => {
const { lineName, severity, description, closestStationDistance } = item.data
const severityLabel = SEVERITY_LABEL[severity]
function renderAlertRow(alert: TflAlertData) {
const severityLabel = SEVERITY_LABEL[alert.severity]
return (
<FeedCard>
<SansSerifText content={`${lineName} · ${severityLabel}`} style="text-base font-semibold" />
<SansSerifText content={description} style="text-sm" />
{closestStationDistance !== null ? (
<>
<SansSerifText
content={`${alert.lineName} · ${severityLabel}`}
style="text-base font-semibold"
/>
<SansSerifText content={alert.description} style="text-sm" />
{alert.closestStationDistance !== null ? (
<SansSerifText
content={`Nearest station: ${formatDistance(closestStationDistance)}`}
content={`Nearest station: ${formatDistance(alert.closestStationDistance)}`}
style="text-xs text-stone-500"
/>
) : null}
</FeedCard>
</>
)
}
export const renderTflStatus: FeedItemRenderer<"tfl-status", TflStatusData> = (item) => {
return <FeedCard>{item.data.alerts.map((alert) => renderAlertRow(alert))}</FeedCard>
}