release: Multi-Hoster-Upload v2.0.3

lib/settings-import-gate.js

@@ -0,0 +1,19 @@
+function createSettingsImportGate(isUploadRunning) {
+  if (typeof isUploadRunning !== 'function') throw new TypeError('isUploadRunning must be a function');
+  let importing = false;
+  return {
+    begin() {
+      if (importing) throw new Error('Einstellungen werden bereits importiert');
+      if (isUploadRunning()) throw new Error('Während laufender Uploads können keine Einstellungen importiert werden');
+      importing = true;
+    },
+    end() {
+      importing = false;
+    },
+    canStartUpload() {
+      return !importing;
+    }
+  };
+}
+
+module.exports = { createSettingsImportGate };