feat: return matchedAudiences from top level API

Author: ydennisy

.prettierrc.js

@@ -1,6 +1,5 @@
 module.exports = {
   semi: true,
-  // trailingComma: 'all',
   singleQuote: true,
   tabWidth: 2
 };

packages/core/src/index.ts

@@ -15,7 +15,7 @@ interface IPageFeatureGetter {
 
 // TODO: we need to give a way to consumers to ensure this does not
 // run multiple times on a single page load.
-const run = async (config: IConfig) => {
+const run = async (config: IConfig): Promise<void> => {
   const { pageFeatureGetters } = config;
   const pageFeatures = await getPageFeatures(pageFeatureGetters);
   viewStore.insert(pageFeatures);
@@ -29,6 +29,7 @@ const run = async (config: IConfig) => {
         id: audience.id,
         matchedAt: timeStampInSecs(),
         expiresAt: timeStampInSecs() + audience.ttl,
+        matchedOnCurrentPageView: true,
         matched: engine.check(audience.conditions, viewStore.pageViews),
       };
     })
@@ -37,11 +38,11 @@ const run = async (config: IConfig) => {
   audienceStore.setMatchedAudiences(matchedAudiences);
 };
 
-const stats = () => {
-  return {};
+const getMatchedAudiences = () => {
+  return audienceStore.matchedAudiences;
 };
 
 export const edkt = {
   run,
-  stats,
+  getMatchedAudiences,
 };

packages/core/src/store/audience.ts

@@ -10,6 +10,7 @@ interface IMatchedAudience {
   id: string;
   matchedAt: number;
   expiresAt: number;
+  matchedOnCurrentPageView: boolean;
 }
 
 // TODO: share the types.
@@ -26,9 +27,14 @@ class AudienceStore {
   _load() {
     const audiences: IMatchedAudience[] =
       storage.get(StorageKeys.MATCHED_AUDIENCES) || [];
-    const unExpiredAudiences = audiences.filter(
-      (audience) => audience.expiresAt > timeStampInSecs()
-    );
+    const unExpiredAudiences = audiences
+      .filter((audience) => audience.expiresAt > timeStampInSecs())
+      .map((audience) => {
+        return {
+          ...audience,
+          matchedOnCurrentPageView: false,
+        };
+      });
     const unExpiredAudienceIds = unExpiredAudiences.map(
       (audience) => audience.id
     );

packages/core/src/utils/index.ts

@@ -11,7 +11,7 @@ const get = (key: string) => {
   }
 };
 
-const set = (key: string, value: object) => {
+const set = (key: string, value: any) => {
   try {
     const serialized = JSON.stringify(value);
     localStorage.setItem(key, serialized);