feat(admin,admin-ui,medusa): Add Medusa Admin plugin (#3334)

packages/admin-ui/ui/src/utils/form-validator.ts

@@ -0,0 +1,67 @@
+import { ValidationRule } from "react-hook-form"
+import { normalizeAmount } from "./prices"
+
+/**
+ * Utility functions for validating form inputs.
+ */
+const FormValidator = {
+  whiteSpaceRule: (name: string) =>
+    ({
+      value: /^[^\s]+(?:$|.*[^\s]+$)/,
+      message: `${name} cannot have leading or trailing spaces, or be an empty string.`,
+    } as ValidationRule<RegExp>),
+  nonNegativeNumberRule: (name: string) => ({
+    value: 0,
+    message: `${name} cannot be negative.`,
+  }),
+  minOneCharRule: (name: string) => ({
+    value: 1,
+    message: `${name} must be at least 1 character.`,
+  }),
+  min: (name: string, min: number) => ({
+    value: min,
+    message: `${name} must be greater than or equal to ${min}.`,
+  }),
+  max: (name: string, max: number) => ({
+    value: max,
+    message: `${name} must be less than or equal to ${max}.`,
+  }),
+  required: (name: string) => ({
+    value: true,
+    message: `${name} is required.`,
+  }),
+  minLength: (name: string, min: number) => ({
+    value: min,
+    message: `${name} must be at least ${min} characters.`,
+  }),
+  maxInteger: (name: string, currency?: string) => {
+    return {
+      value: MAX_INTEGER,
+      message: `${name} must be less than or equal to ${getNormalizedAmount(
+        currency
+      )}.`,
+    }
+  },
+  validateMaxInteger: (name: string, amount: number, currency?: string) => {
+    return (
+      amount <= MAX_INTEGER ||
+      `${name} must be less than or equal to ${getNormalizedAmount(currency)}.`
+    )
+  },
+}
+
+/**
+ * The maximum integer value that can be stored in the database.
+ */
+const MAX_INTEGER = 2147483647
+
+/**
+ * Gets the normalized amount for the given currency, and if not provided then returns the MAX_INTEGER.
+ */
+const getNormalizedAmount = (currency?: string) => {
+  const amount = currency ? normalizeAmount(currency, MAX_INTEGER) : MAX_INTEGER
+
+  return amount.toLocaleString()
+}
+
+export default FormValidator