website refactor

tests/shared/website/FeatureFlagHelpers.ts

@@ -0,0 +1,52 @@
+/**
+ * Feature flag helper functions for testing
+ */
+
+export interface FeatureFlagData {
+  features: Record<string, string>;
+  timestamp: string;
+}
+
+/**
+ * Helper to compute enabled flags from feature config
+ */
+export function getEnabledFlags(featureData: FeatureFlagData): string[] {
+  if (!featureData.features || typeof featureData.features !== 'object') {
+    return [];
+  }
+  
+  return Object.entries(featureData.features)
+    .filter(([, value]) => value === 'enabled')
+    .map(([flag]) => flag);
+}
+
+/**
+ * Helper to check if a specific flag is enabled
+ */
+export function isFeatureEnabled(featureData: FeatureFlagData, flag: string): boolean {
+  return featureData.features?.[flag] === 'enabled';
+}
+
+/**
+ * Helper to fetch feature flags from the API
+ * Note: This is a pure function that takes the fetcher as an argument to avoid network side effects in unit tests
+ */
+export async function fetchFeatureFlags(
+  fetcher: (url: string) => Promise<{ ok: boolean; json: () => Promise<unknown>; status: number }>,
+  apiBaseUrl: string
+): Promise<FeatureFlagData> {
+  const featuresUrl = `${apiBaseUrl}/features`;
+  
+  try {
+    const response = await fetcher(featuresUrl);
+    if (!response.ok) {
+      throw new Error(`Failed to fetch feature flags: ${response.status}`);
+    }
+    
+    const data = await response.json() as FeatureFlagData;
+    return data;
+  } catch (error) {
+    console.error(`[FEATURE FLAGS] Failed to fetch from ${featuresUrl}:`, error);
+    throw error;
+  }
+}