feat: promote toggles script (#3639)

scripts/promote.sh

@@ -0,0 +1,52 @@
+#!/bin/bash
+
+# Source Unleash instance
+SOURCE_URL=""
+SOURCE_API_TOKEN=""
+SOURCE_ENV="production"
+SOURCE_TAG="exported"
+
+# Target Unleash instance
+TARGET_URL=""
+TARGET_API_TOKEN=""
+TARGET_PROJECT="DemoImport"
+TARGET_ENV="production"
+
+export_data() {
+  curl -s -w "\n%{http_code}" -X POST "$SOURCE_URL" \
+    -H "Authorization: $SOURCE_API_TOKEN" \
+    -H "Content-Type: application/json" \
+    -d "{\"tag\": \"$SOURCE_TAG\", \"environment\": \"$SOURCE_ENV\"}"
+}
+
+import_data() {
+  data="$1"
+  response=$(curl -s -w "\n%{http_code}" -X POST "$TARGET_URL" \
+    -H "Authorization: $TARGET_API_TOKEN" \
+    -H "Content-Type: application/json" \
+    -d "{\"project\": \"$TARGET_PROJECT\", \"environment\": \"$TARGET_ENV\", \"data\": $data}")
+
+  http_code=$(echo "$response" | awk 'END{print}')
+
+  if ! [[ $http_code -ge 200 && $http_code -lt 300 ]]; then
+      status_message=$(echo "$response" | awk 'NR==1{print}')
+      echo "Error: Import failed with $http_code $status_message"
+      exit 1
+  fi
+}
+
+echo "Exporting data from source API: ${SOURCE_URL}, tag: ${SOURCE_TAG}, environment: ${SOURCE_ENV}"
+response=$(export_data)
+http_code=$(echo "$response" | awk 'END{print}')
+if [[ $http_code -ge 200 && $http_code -lt 300 ]]; then
+  data=$(echo "$response" | awk 'NR>1{print line} {line=$0}')
+  echo "Data exported successfully."
+else
+  status_message=$(echo "$response" | awk 'NR==1{print}')
+  echo "Error: Export failed with $http_code $status_message"
+  exit 1
+fi
+
+echo "Importing data to target API: ${TARGET_URL}, project: ${TARGET_PROJECT}, environment: ${TARGET_ENV}"
+import_data "$data"
+echo "Data imported successfully."

src/lib/features/export-import-toggles/import-toggles-store.ts

@@ -39,6 +39,7 @@ export class ImportTogglesStore implements IImportTogglesStore {
         featureNames: string[],
         environment: string,
     ): Promise<boolean> {
+        if (featureNames.length === 0) return true;
         const result = await this.db.raw(
             'SELECT EXISTS (SELECT 1 FROM feature_strategies WHERE environment = ? and feature_name in  (' +
                 featureNames.map(() => '?').join(',') +