better express-react demo err handling

Author: nadav867

client/src/demo/Demo.tsx

@@ -77,7 +77,7 @@ const Demo = () => {
           await getTodos();
         }
       } catch (err) {
-        console.error(err);
+        console.error(err.response.data);
       } finally {
         setNewTodo('');
       }
@@ -98,7 +98,7 @@ const Demo = () => {
       });
       return response;
     } catch (err) {
-      console.error(err);
+      console.error(err.response.data);
     }
   };
 
@@ -115,7 +115,7 @@ const Demo = () => {
         setTodos([...newTodos]);
       }
     } catch (err) {
-      console.error(err);
+      console.error(err.response.data);
     }
   };
 
@@ -128,7 +128,7 @@ const Demo = () => {
       });
       setTodos(res.data.data);
     } catch (err) {
-      console.error(err);
+      console.error(err.response.data);
     }
   };
 

server/src/api/routes/routes.ts

@@ -11,17 +11,17 @@ router.get('/get_todos', async (req, res) => {
     );
     res.json({ data: sqlRes.rows });
   } catch (err) {
-    throw err;
+    res.status(500).send(`There was an error fetching todos`);
   }
 });
 
 router.post('/create_todo', async (req, res) => {
   const { todoContent } = req.body;
   try {
-    await db.query(`INSERT INTO Todolist(todo) VALUES ($1)`, [todoContent]);
+    await db.query(`INSERT INTO Todolist(todo) VALES ($1)`, [todoContent]);
     res.status(201).send();
   } catch (err) {
-    throw err;
+    res.status(500).send(`There was an error while creating ${todoContent}`);
   }
 });
 
@@ -32,7 +32,7 @@ router.put('/update_todo', async (req, res) => {
     await db.query(`UPDATE Todolist SET ${column} = ${value} WHERE id=${id}`);
     res.status(200).send();
   } catch (err) {
-    throw err;
+    res.status(500).send(`There was an error while updating`);
   }
 });
 
@@ -42,6 +42,6 @@ router.delete('/delete_todo/', async (req, res) => {
     await db.query(`DELETE FROM Todolist WHERE id=${id}`);
     res.status(200).send();
   } catch (err) {
-    throw err;
+    res.status(500).send(`There was an error while deleting`);
   }
 });