[Init] Initial commit - NetMesh terminal manager

domain/appIconVariant.ts

@@ -0,0 +1,26 @@
+export const APP_ICON_VARIANTS = [
+  'original',
+  'bright',
+  'dark',
+  'colorful',
+  'high-contrast',
+  'white-navy',
+  'white-sky',
+  'white-rose',
+  'white-emerald',
+  'white-amber',
+  'white-violet',
+  'rainbow',
+] as const;
+
+export type AppIconVariant = (typeof APP_ICON_VARIANTS)[number];
+
+export const DEFAULT_APP_ICON_VARIANT: AppIconVariant = 'original';
+
+export function isValidAppIconVariant(value: unknown): value is AppIconVariant {
+  return typeof value === 'string' && (APP_ICON_VARIANTS as readonly string[]).includes(value);
+}
+
+export function resolveAppIconVariant(value: unknown): AppIconVariant {
+  return isValidAppIconVariant(value) ? value : DEFAULT_APP_ICON_VARIANT;
+}