u

src/store/stock/adjust.js

@@ -62,21 +62,37 @@ export default function adjust(provider) {
     const date = input.date ? parseDate(input.date) ?? new Date() : new Date();
     const createdAt = new Date();
 
+    const isSingle = !Array.isArray(input.lines);
+
     const normalizedLines = rawLines.map((line, idx) => {
-      const sku = typeof line.sku === 'string' ? line.sku.trim() : '';
+      const itemLabel = isSingle ? '' : ` for item ${idx + 1}`;
+      if (line.sku == null) {
+        throw new Error(`SKU required${itemLabel}`);
+      }
+      if (typeof line.sku !== 'string') {
+        const val = typeof line.sku === 'object' ? JSON.stringify(line.sku) : String(line.sku);
+        throw new Error(`SKU must be a string${itemLabel} (received ${typeof line.sku}: ${val})`);
+      }
+      const sku = line.sku.trim();
       if (!sku) {
-        throw new Error(`SKU required for item ${idx + 1}`);
+        throw new Error(`SKU cannot be empty${itemLabel}`);
       }
 
       const rawWhId = line.warehouseId ?? line.warehouse_id ?? defaultWarehouseId;
+      if (rawWhId == null) {
+        throw new Error(`Warehouse required${itemLabel} (${sku})`);
+      }
       const warehouseId = Number(rawWhId);
       if (!Number.isInteger(warehouseId) || warehouseId <= 0) {
-        throw new Error(`Warehouse required for item ${idx + 1} (${sku})`);
+        throw new Error(`Warehouse must be a positive integer${itemLabel} (${sku})`);
       }
 
+      if (line.amount == null) {
+        throw new Error(`Amount required${itemLabel} (${sku})`);
+      }
       const amount = Number(line.amount);
       if (!Number.isFinite(amount) || amount === 0) {
-        throw new Error(`Invalid amount for item ${idx + 1} (${sku}): must be non-zero number`);
+        throw new Error(`Invalid amount${itemLabel} (${sku}): must be non-zero number`);
       }
 
       const text = (line.text ?? line.transactionText ?? line.transaction_text ?? defaultText)?.trim?.() ||