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fix(climato): remettre TX en moyenne + fenêtres calendaires jusqu'à aujourd'hui
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TX revient en moyenne inter-stations (comme TN/TM) ; la version MAX était
une mauvaise piste. Les vues 7j/30j/1an sont désormais construites sur une
plage calendaire fixe se terminant à aujourd'hui (heure Paris) : les jours
sans données source (lag publication ~1-4j) apparaissent comme points nuls
plutôt que de décaler la fenêtre vers le passé.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Florian 2026-05-28 12:40:43 +02:00
parent 759cda8ea9
commit a1c6002756
2 changed files with 22 additions and 12 deletions
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20
src/pages/departement/[code].astro
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@ -54,9 +54,23 @@ let normales30: Array<{ tx: number | null; tn: number | null }> = [];
let normales365: Array<{ tx: number | null; tn: number | null }> = [];
let normaleHourly: { tx: number | null; tn: number | null } | null = null;
const last7 = climato?.days?.slice(-7) ?? [];
const last30 = climato?.days?.slice(-30) ?? [];
const last365 = climato?.days?.slice(-365) ?? [];
// Build calendar-based windows ending at today (Paris time), filling missing days with nulls.
// Source data has a ~1-4 day publication lag; the chart must still end at today.
const _todayParis = new Intl.DateTimeFormat('sv', { timeZone: 'Europe/Paris' }).format(new Date());
const _climaByDate = new Map((climato?.days ?? []).map((d) => [d.date, d]));
function _buildRange(n: number) {
const result = [];
for (let i = n - 1; i >= 0; i--) {
const d = new Date(_todayParis + 'T12:00:00Z'); // noon UTC to avoid DST drift
d.setUTCDate(d.getUTCDate() - i);
const dateStr = new Intl.DateTimeFormat('sv', { timeZone: 'Europe/Paris' }).format(d);
result.push(_climaByDate.get(dateStr) ?? { date: dateStr, tn: null, tx: null, tm: null, rr: null, stations: 0 });
}
return result;
}
const last7 = climato ? _buildRange(7) : [];
const last30 = climato ? _buildRange(30) : [];
const last365 = climato ? _buildRange(365) : [];
if (!drom) {
if (climato?.days?.length) {