proper typing

server/src/routes/chemicals.ts

@@ -40,7 +40,7 @@ router.post('/', async (req, res) => {
       ) VALUES (
         $1,$2,$3,$4,$5,$6,$7,$8,$9,$10,$11,$12,
         $13,$14,$15,$16,$17,$18,$19,$20,$21,$22,$23,$24,$25
-      ) RETURNING *`,
+      ) RETURNING *, percentage_full::float AS percentage_full, expiration_date::text AS expiration_date`,
       [
         req.user!.id, b.piFirstName, b.physicalState, b.chemicalName, b.bldgCode, b.lab,
         b.storageLocation, b.storageDevice, b.numberOfContainers, b.amountPerContainer,
@@ -72,7 +72,8 @@ router.patch('/:id', async (req, res) => {
 
     const result = await pool.query(
       `UPDATE chemicals SET ${setClauses}, updated_at = NOW()
-       WHERE id = $1 AND user_id = $2 RETURNING *`,
+      WHERE id = $1 AND user_id = $2
+      RETURNING *, percentage_full::float AS percentage_full, expiration_date::text AS expiration_date`,
       [req.params.id, req.user!.id, ...values]
     );
     if (result.rows.length === 0) return res.status(404).json({ error: 'Not found' });