From 3c9e85cab5689409ffbc2d12df8e8476b1311fec Mon Sep 17 00:00:00 2001
From: Kevin Wang <kwangsan@gmail.com>
Date: Fri, 7 Feb 2020 11:55:09 -0500
Subject: [PATCH] [WIP] Add window.optimizelyDatafile interface

---
 packages/optimizely-sdk/lib/index.d.ts | 71 +++++++++++++++++++++++++-
 1 file changed, 70 insertions(+), 1 deletion(-)

diff --git a/packages/optimizely-sdk/lib/index.d.ts b/packages/optimizely-sdk/lib/index.d.ts
index 59e4f37ca..79db4fbb0 100644
--- a/packages/optimizely-sdk/lib/index.d.ts
+++ b/packages/optimizely-sdk/lib/index.d.ts
@@ -35,10 +35,79 @@ declare module "@optimizely/optimizely-sdk" {
     updateInterval?: number;
     urlTemplate?: string;
   }
+  
+  /**
+   * The shape of `window.optimizelyDatafile`
+   * @todo array objects need typing.
+   */
+  export interface Datafile {
+    version: string;
+    /**
+     * rollouts: Rollout[];
+     */
+    rollouts: { experiments: any[] }[];
+    typedAudiences: any[];
+    anonymizeIP: boolean;
+    projectId: string;
+    variables: any[];
+    /**
+     * featureFlags: FeatureFlag[];
+     */
+    featureFlags: {
+      experimentIds: string[];
+      rolloutId: string;
+      variables: any[];
+      id: string;
+      key: string;
+    }[];
+    /**
+     * experiments: Experiment[];
+     */
+    experiments: {
+      status: string;
+      audienceIds: string[];
+      variations: {
+        variables: any[];
+        id: string;
+        key: string;
+      }[];
+      id: string;
+      key: string;
+      layerId: string;
+      trafficAllocation: {
+        entityId: string;
+        endOfRange: number;
+      }[];
+      forcedVariations: {
+        [key: string]: string;
+      };
+    }[];
+    /**
+     * audiences: Audience[];
+     */
+    audiences: any[];
+    groups: any[];
+    attributes: {
+      id: string;
+      key: string;
+    }[];
+    botFiltering: boolean;
+    accountId: string;
+    /**
+     * events: Event[]; 
+     * - note namespace conflits
+     */
+    events: {
+      experimentIds: string[];
+      id: string;
+      key: string;
+    }[];
+    revision: string;
+  }
 
   // The options object given to Optimizely.createInstance.
   export interface Config {
-    datafile?: object | string;
+    datafile?: Datafile | object | string;
     datafileOptions?: DatafileOptions;
     errorHandler?: ErrorHandler;
     eventDispatcher?: EventDispatcher;