feat: tax rate transformer

packages/server/src/services/TaxRates/TaxRateTransformer.ts

@@ -0,0 +1,20 @@
+import { Transformer } from '@/lib/Transformer/Transformer';
+
+export class TaxRateTransformer extends Transformer {
+  /**
+   * Include these attributes to tax rate object.
+   * @returns {Array}
+   */
+  public includeAttributes = (): string[] => {
+    return ['nameFormatted'];
+  };
+
+  /**
+   * Formats the tax rate name.
+   * @param taxRate
+   * @returns {string}
+   */
+  protected nameFormatted = (taxRate): string => {
+    return `${taxRate.name} (${taxRate.rate}%)`;
+  };
+}