Init file

src/data.js

@@ -0,0 +1,11 @@
+async function fetchTemperature(zoneId) {
+  const res = await fetch(`/api/v1/zones/${zoneId}/primary/temperature`);
+  return res.json();
+}
+
+// Don't change this function signature
+export async function attachChart(chartInstance, zoneId) {
+  await fetchTemperature(zoneId).then(temp => {
+    chartInstance.update(temp);
+  });
+}