Fix response format from /import

The result should be API JSON, not translator JSON.

If we want to use translator tests, we'll need to convert the test JSON
to API JSON for the comparison.

Follow-up to zotero#89

src/importEndpoint.js

@@ -43,31 +43,17 @@ class ImportEndpoint {
 			return;
 		}
 		translate.setTranslator(translators[0]);
-		await translate.translate({ libraryID: 1 });
-
+		var items = await translate.translate({ libraryID: 1 });
+		
 		ctx.set('Content-Type', 'application/json');
-		for (const item of translate._itemSaver.items) {
-			this.normalizeItem(item);
-		}
-
-		ctx.response.body = JSON.stringify(translate._itemSaver.items, null, 2);
-	}
-
-	normalizeItem(item) {
-		delete item.id;
-		delete item.itemID;
-
-		this.normalizeTags(item);
-
-		for (const note of (item.notes || [])) {
-			this.normalizeTags(note);
-		}
-	}
-
-	normalizeTags(item) {
-		if (item.tags) item.tags = item.tags.map(tag => (typeof tag === 'string') ? { tag } : tag);
-		if (item.tags && item.tags.length === 0) delete item.tags;
-		if (item.tags) item.tags.sort((a, b) => tagValue(a).localeCompare(tagValue(b)));
+
+		// Convert translator JSON to API JSON
+		var newItems = [];
+		items.forEach(item => {
+			newItems.push(...Zotero.Utilities.itemToAPIJSON(item));
+		});
+
+		ctx.response.body = JSON.stringify(newItems, null, 2);
 	}
 }