base structure

src/helpers/func.ts

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+export const formatDate = (dateString: string): string => {
+  const date = new Date(dateString);
+  return new Intl.DateTimeFormat("fa-IR", {
+    year: "numeric",
+    month: "long",
+    day: "numeric",
+    hour: "2-digit",
+    minute: "2-digit",
+  }).format(date);
+};
+
+export const formatDateShort = (dateString: string): string => {
+  const date = new Date(dateString);
+  return new Intl.DateTimeFormat("fa-IR", {
+    year: "numeric",
+    month: "short",
+    day: "numeric",
+  }).format(date);
+};
+
+export const formatPrice = (price: number): string => {
+  return new Intl.NumberFormat("fa-IR", {
+    style: "decimal",
+    minimumFractionDigits: 0,
+    maximumFractionDigits: 0,
+  }).format(price);
+};

src/helpers/types.ts

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+type Without<T, U> = { [P in Exclude<keyof T, keyof U>]?: never };
+
+export type XOR<T, U> = T | U extends object
+  ? (Without<T, U> & U) | (Without<U, T> & T)
+  : T | U;
+
+export type ItemsSelectType = {
+  value: string;
+  label: string;
+};
+
+export type ErrorType = Error & {
+  response?: {
+    data?: {
+      error: {
+        message: string[];
+      };
+    };
+  };
+};
+
+export interface IGeneralError {
+  status: number;
+  success: boolean;
+  error: {
+    message: string;
+    details: string[];
+  };
+}

src/helpers/utils.ts

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+import { twMerge } from "tailwind-merge";
+import type { IGeneralError } from "./types";
+
+/**
+ * Concatenates truthy classes into a space-separated string.
+ *
+ * @param classes - The classes to concatenate.
+ * @returns The concatenated classes.
+ */
+export const clx = (...classes: (string | boolean | undefined)[]): string => {
+  return twMerge(classes.filter(Boolean).join(" "));
+};
+
+export const extractErrorMessage = (
+  error: Error | unknown,
+  fallbackMessage: string = "خطایی رخ داده است"
+): string => {
+  try {
+    const axiosError = error as { response?: { data: IGeneralError } };
+    return axiosError?.response?.data?.error?.details?.[0] || fallbackMessage;
+  } catch {
+    return fallbackMessage;
+  }
+};