test

2026-07-27 16:07:44 +00:00 · 2026-04-06 23:31:58 +00:00
parent 00d5bb5631
commit e6a13289ee
2 changed files with 64 additions and 1 deletions
@@ -0,0 +1,61 @@
+exports.handler = async () => {
+  try {
+    const seriesMap = {
+      y2: "YC.B.U2.EUR.4F.G_N_A.SV_C_YM.SR_2Y",
+      y5: "YC.B.U2.EUR.4F.G_N_A.SV_C_YM.SR_5Y",
+      y10: "YC.B.U2.EUR.4F.G_N_A.SV_C_YM.SR_10Y"
+    };
+
+    const entries = await Promise.all(
+      Object.entries(seriesMap).map(async ([label, key]) => {
+        const url =
+          `https://data-api.ecb.europa.eu/service/data/YC/${key}` +
+          `?format=jsondata&lastNObservations=1&detail=dataonly`;
+
+        const res = await fetch(url, {
+          headers: {
+            Accept: "application/json"
+          }
+        });
+
+        const data = await res.json();
+
+        if (!res.ok) {
+          throw new Error(`ECB failed for ${label}`);
+        }
+
+        // ECB JSON can vary by structure; this safely hunts the last numeric observation.
+        let value = null;
+
+        try {
+          const sets = data?.dataSets?.[0];
+          const series = sets?.series;
+          if (series) {
+            const firstSeries = Object.values(series)[0];
+            const obs = firstSeries?.observations;
+            if (obs) {
+              const firstObs = Object.values(obs)[0];
+              value = Array.isArray(firstObs) ? Number(firstObs[0]) : Number(firstObs);
+            }
+          }
+        } catch {}
+
+        return [label, Number.isFinite(value) ? value : null];
+      })
+    );
+
+    return {
+      statusCode: 200,
+      headers: {
+        "Content-Type": "application/json",
+        "Cache-Control": "public, max-age=300"
+      },
+      body: JSON.stringify(Object.fromEntries(entries))
+    };
+  } catch (err) {
+    return {
+      statusCode: 500,
+      body: JSON.stringify({ error: err.message || "ecb-yields failed" })
+    };
+  }
+};