website refactor

apps/website/lib/display-objects/CountryFlagDisplay.ts

@@ -0,0 +1,21 @@
+export class CountryFlagDisplay {
+  private constructor(private readonly value: string) {}
+
+  static fromCountryCode(countryCode: string | null | undefined): CountryFlagDisplay {
+    if (!countryCode) {
+      return new CountryFlagDisplay('🏁');
+    }
+
+    const code = countryCode.toUpperCase();
+    if (code.length !== 2) {
+      return new CountryFlagDisplay('🏁');
+    }
+
+    const codePoints = [...code].map((char) => 127397 + char.charCodeAt(0));
+    return new CountryFlagDisplay(String.fromCodePoint(...codePoints));
+  }
+
+  toString(): string {
+    return this.value;
+  }
+}