chore: converted .pipe csv into manual csv parser;

Author: “A1-4U2T1NN”

lesson_10/libraries/src/loaders/chigazo_graham_loader.ts

@@ -11,7 +11,7 @@ export class ChigazoGrahamLoader implements Loader {
   async loadData(): Promise<MediaItem[]> {
     const credits = await this.loadCredits();
     const mediaItems = await this.loadMediaItems();
-    
+  
     console.log(
       `Loaded ${credits.length} credits and ${mediaItems.length} media items`,
     );
@@ -22,9 +22,14 @@ export class ChigazoGrahamLoader implements Loader {
   async loadMediaItems(): Promise<MediaItem[]> {
     // TODO: Implement this method.
     const mediaItems = [];
-    const readable = fs
-      .createReadStream('data/media_items.csv', 'utf-8')
-      .pipe(csv());
+    const readable = fs.readFileSync('data/media_items.csv', {
+        encoding: 'utf-8'
+    })
+    .split('\n')
+    .map((row: string): string[] => {
+        return row.split(',');
+    }
+);
     for await (const row of readable) {
       const { id, type, title, genre, year } = row;
       mediaItems.push(new MediaItem(id, type, title, genre, year));
@@ -38,8 +43,8 @@ export class ChigazoGrahamLoader implements Loader {
       .createReadStream('data/credits.csv', 'utf-8')
       .pipe(csv());
     for await (const row of readable) {
-      const { media_item_id, role, name } = row;
-      credits.push(new Credit(media_item_id, name, role));
+      const { id, media_item_id, role, name } = row;
+      credits.push(new Credit( id, media_item_id, name, role));
     }
     return credits;
   }