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locally limit the number of alerts/hazards

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Matt Walsh 2025-05-23 16:08:11 -05:00
commit 09fb698350
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server/scripts/modules/hazards.mjs
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@ -40,7 +40,8 @@ class Hazards extends WeatherDisplay {
const url = new URL('https://api.weather.gov/alerts/active'); const url = new URL('https://api.weather.gov/alerts/active');
url.searchParams.append('point', `${this.weatherParameters.latitude},${this.weatherParameters.longitude}`); url.searchParams.append('point', `${this.weatherParameters.latitude},${this.weatherParameters.longitude}`);
const alerts = await json(url, { retryCount: 3, stillWaiting: () => this.stillWaiting() }); const alerts = await json(url, { retryCount: 3, stillWaiting: () => this.stillWaiting() });
const unsortedAlerts = alerts.features ?? []; const allUnsortedAlerts = alerts.features ?? [];
const unsortedAlerts = allUnsortedAlerts.slice(0, 5);
const hasImmediate = unsortedAlerts.reduce((acc, hazard) => acc || hazard.properties.urgency === 'Immediate', false); const hasImmediate = unsortedAlerts.reduce((acc, hazard) => acc || hazard.properties.urgency === 'Immediate', false);
const sortedAlerts = unsortedAlerts.sort((a, b) => (calcSeverity(b.properties.severity, b.properties.event)) - (calcSeverity(a.properties.severity, a.properties.event))); const sortedAlerts = unsortedAlerts.sort((a, b) => (calcSeverity(b.properties.severity, b.properties.event)) - (calcSeverity(a.properties.severity, a.properties.event)));
const filteredAlerts = sortedAlerts.filter((hazard) => hazard.properties.severity !== 'Unknown' && (!hasImmediate || (hazard.properties.urgency === 'Immediate'))); const filteredAlerts = sortedAlerts.filter((hazard) => hazard.properties.severity !== 'Unknown' && (!hasImmediate || (hazard.properties.urgency === 'Immediate')));