feat: create flat-map-quiz

Author: As'ad Saleh Umar

flat-map-quiz.ts

@@ -0,0 +1,117 @@
+const movieLists = [
+  {
+    name: "Instant Queue",
+    videos: [
+      {
+        id: 70111470,
+        title: "Die Hard",
+        boxarts: [
+          {
+            width: 150,
+            height: 200,
+            url: "http://cdn-0.nflximg.com/images/2891/DieHard150.jpg",
+          },
+          {
+            width: 200,
+            height: 200,
+            url: "http://cdn-0.nflximg.com/images/2891/DieHard200.jpg",
+          },
+        ],
+        url: "http://api.netflix.com/catalog/titles/movies/70111470",
+        rating: 4.0,
+        bookmark: [],
+      },
+      {
+        id: 654356453,
+        title: "Bad Boys",
+        boxarts: [
+          {
+            width: 200,
+            height: 200,
+            url: "http://cdn-0.nflximg.com/images/2891/BadBoys200.jpg",
+          },
+          {
+            width: 150,
+            height: 200,
+            url: "http://cdn-0.nflximg.com/images/2891/BadBoys150.jpg",
+          },
+        ],
+        url: "http://api.netflix.com/catalog/titles/movies/70111470",
+        rating: 5.0,
+        bookmark: [{ id: 432534, time: 65876586 }],
+      },
+    ],
+  },
+  {
+    name: "New Releases",
+    videos: [
+      {
+        id: 65432445,
+        title: "The Chamber",
+        boxarts: [
+          {
+            width: 150,
+            height: 200,
+            url: "http://cdn-0.nflximg.com/images/2891/TheChamber150.jpg",
+          },
+          {
+            width: 200,
+            height: 200,
+            url: "http://cdn-0.nflximg.com/images/2891/TheChamber200.jpg",
+          },
+        ],
+        url: "http://api.netflix.com/catalog/titles/movies/70111470",
+        rating: 4.0,
+        bookmark: [],
+      },
+      {
+        id: 675465,
+        title: "Fracture",
+        boxarts: [
+          {
+            width: 200,
+            height: 200,
+            url: "http://cdn-0.nflximg.com/images/2891/Fracture200.jpg",
+          },
+          {
+            width: 150,
+            height: 200,
+            url: "http://cdn-0.nflximg.com/images/2891/Fracture150.jpg",
+          },
+          {
+            width: 300,
+            height: 200,
+            url: "http://cdn-0.nflximg.com/images/2891/Fracture300.jpg",
+          },
+        ],
+        url: "http://api.netflix.com/catalog/titles/movies/70111470",
+        rating: 5.0,
+        bookmark: [{ id: 432534, time: 65876586 }],
+      },
+    ],
+  },
+];
+
+// Target: {id, title, boxart} with boxart size 150x200px.
+
+interface Result {
+  id: number;
+  title: string;
+  boxart: string;
+}
+
+const result: Result[] = movieLists.flatMap((movieList) => {
+  return movieList.videos.flatMap((video) => {
+    return video.boxarts
+      .filter((boxart) => {
+        return boxart.width === 150 && boxart.height === 200;
+      })
+      .map((boxart) => ({
+        id: video.id,
+        title: video.title,
+        boxart: boxart.url,
+      }));
+  });
+});
+
+console.log(result);