wait until restart is complete

scm-ui/src/admin/plugins/components/waitForRestart.js

@@ -0,0 +1,30 @@
+// @flow
+import { apiClient } from "@scm-manager/ui-components";
+
+const waitForRestart = () => {
+  const endTime = Number(new Date()) + 10000;
+  let started = false;
+
+  const executor = (resolve, reject) => {
+    // we need some initial delay
+    if (!started) {
+      started = true;
+      setTimeout(executor, 100, resolve, reject);
+    } else {
+      apiClient
+        .get("")
+        .then(resolve)
+        .catch(() => {
+          if (Number(new Date()) < endTime) {
+            setTimeout(executor, 500, resolve, reject);
+          } else {
+            reject(new Error("timeout reached"));
+          }
+        });
+    }
+  };
+
+  return new Promise<void>(executor);
+};
+
+export default waitForRestart;