Release 202507231133

web/src/constants/countries.ts

@@ -0,0 +1,76 @@
+import { countries as countriesData, type TCountryCode } from 'countries-list'
+import { countries as flagCountries } from 'country-flag-icons'
+import getUnicodeFlagIcon from 'country-flag-icons/unicode'
+
+import { makeHelpersForOptions } from '../lib/makeHelpersForOptions'
+
+type CountryInfo<T extends string | null | undefined = string> = {
+  code: T
+  name: string
+  flag: string
+  slug: string
+  order: number
+}
+
+// Convert countries-list data to our format, ensuring we only use countries that have flags
+const countriesArray = Object.entries(countriesData)
+  .filter(([code]) => flagCountries.includes(code as TCountryCode))
+  .map(([code, data]) => ({
+    code: code as TCountryCode,
+    name: data.name,
+    flag: getUnicodeFlagIcon(code) || '🏳️',
+    slug: code.toLowerCase(),
+    order: data.name.charCodeAt(0), // Sort alphabetically by first letter
+  }))
+  // Pre-sort the array alphabetically by name for performance
+  .sort((a, b) => a.name.localeCompare(b.name))
+
+// Create a map for efficient lookups
+const countriesMap = new Map(countriesArray.map((country) => [country.code, country]))
+
+export const {
+  dataArray: countries,
+  dataObject: countriesById,
+  getFn: getCountryInfo,
+  getFnSlug: getCountryInfoBySlug,
+  zodEnumBySlug: countriesZodEnumBySlug,
+  zodEnumById: countriesZodEnumById,
+  keyToSlug: countryCodeToSlug,
+  slugToKey: countrySlugToCode,
+} = makeHelpersForOptions(
+  'code',
+  (code): CountryInfo<typeof code> => {
+    // For null, undefined, or empty string, return a default "No Country" object
+    if (!code) {
+      return {
+        code,
+        name: 'No Country',
+        flag: '🏳️',
+        slug: '',
+        order: 999,
+      } as CountryInfo<typeof code>
+    }
+
+    // Try to find the country in our pre-built map
+    const country = countriesMap.get(code as TCountryCode)
+
+    // If found, return it; otherwise, return a default "Unknown Country" object
+    if (country) {
+      return country as CountryInfo
+    } else {
+      return {
+        code,
+        name: 'Unknown Country',
+        flag: '🏳️',
+        slug: code.toLowerCase(),
+        order: 999,
+      } as CountryInfo
+    }
+  },
+  countriesArray
+)
+
+// Helper function to validate country code
+export const isValidCountryCode = (code: string): code is TCountryCode => {
+  return code in countriesData && flagCountries.includes(code as TCountryCode)
+}