Versie 0.2.0

client/price/intraday.js

@@ -0,0 +1,30 @@
+// Generated, do not edit. sha256:7227a0859017790e220d3094fb16cfe6c1e290c2297569d78de93f970684ea0d
+import { intradaySeries } from '../data/market.js';
+import { currentRate } from './providers.js';
+import { t } from '../i18n/index.js';
+
+const FRESH_MS = 60_000;
+const memo = new Map();
+const NONE = Object.freeze({ points: null });
+
+async function toBase(r) {
+  if (r.status !== 'ok') return NONE;
+  const rate = await currentRate(r.currency);
+  if (rate == null) return NONE;
+  const named = src => t('marketService.sourceLive', { source: src });
+  const src = r.sourceLabel || r.source;
+  const source = src ? named(src) : t('connections.kindMarket');
+  const sources = new Map();
+  for (const [ms, , own] of r.points) if (own) sources.set(ms, named(own));
+  return { points: r.points.map(([ms, p]) => [ms, p * rate]), source, sources };
+}
+
+export async function loadIntraday(assetId, sinceMs) {
+  const hit = memo.get(assetId);
+  if (hit && hit.since === sinceMs && Date.now() - hit.at < FRESH_MS) return hit.result;
+  let result;
+  try { result = await toBase(await intradaySeries(assetId, sinceMs)); }
+  catch { result = NONE; }
+  memo.set(assetId, { at: Date.now(), since: sinceMs, result });
+  return result;
+}