refactor: move status header to its own component

src/components/monitorStatusHeader.js

@@ -0,0 +1,31 @@
+import config from '../../config.yaml'
+
+export default function MonitorStatusHeader({ operational, lastUpdate }) {
+  let backgroundColor = 'green'
+  let headerText = config.settings.allmonitorsOperational
+  let textColor = 'black'
+
+  if (!operational) {
+    backgroundColor = 'yellow'
+    headerText = config.settings.notAllmonitorsOperational
+  }
+
+  const lastCheckAgo = Math.round((Date.now() - lastUpdate.value) / 1000)
+
+  return (
+    <div className={`ui inverted segment ${backgroundColor}`}>
+      <div className="horizontal flex between">
+        <div className={`ui marginless header ${textColor}-text`}>
+          {headerText}
+        </div>
+        {
+          lastUpdate.metadata && typeof window !== 'undefined' && (
+          <div className={`${textColor}-text`}>
+            checked {lastCheckAgo} sec ago (from {lastUpdate.metadata.loc})
+          </div>
+          )
+        }
+      </div>
+    </div>
+  )
+}