Initial commit

fusion_claims/static/src/js/tax_totals_patch.js

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+/** @odoo-module **/
+
+import { patch } from "@web/core/utils/patch";
+import { TaxTotalsComponent } from "@account/components/tax_totals/tax_totals";
+
+/**
+ * Patch TaxTotalsComponent to handle cases where subtotals is undefined
+ * This fixes the "Invalid loop expression: 'undefined' is not iterable" error
+ * that occurs when invoices have no tax configuration.
+ */
+patch(TaxTotalsComponent.prototype, {
+    formatData(props) {
+        // Call the original formatData method
+        super.formatData(props);
+        
+        // If totals exists but subtotals is undefined, set it to empty array
+        if (this.totals && this.totals.subtotals === undefined) {
+            this.totals.subtotals = [];
+        }
+        
+        // Also ensure each subtotal has tax_groups array
+        if (this.totals && this.totals.subtotals) {
+            for (const subtotal of this.totals.subtotals) {
+                if (subtotal.tax_groups === undefined) {
+                    subtotal.tax_groups = [];
+                }
+            }
+        }
+    }
+});