catstodon/app/javascript/mastodon/permissions.ts

export const PERMISSION_INVITE_USERS = 0x0000000000010000;
export const PERMISSION_MANAGE_USERS = 0x0000000000000400;
export const PERMISSION_MANAGE_FEDERATION = 0x0000000000000020;

export const PERMISSION_MANAGE_REPORTS = 0x0000000000000010;
export const PERMISSION_VIEW_DASHBOARD = 0x0000000000000008;

// These helpers don't quite align with the names/categories in UserRole,
// but are likely "good enough" for the use cases at present.
//
// See: https://docs.joinmastodon.org/entities/Role/#permission-flags

export function canViewAdminDashboard(permissions: number) {
  return (
    (permissions & PERMISSION_VIEW_DASHBOARD) === PERMISSION_VIEW_DASHBOARD
  );
}

export function canManageReports(permissions: number) {
  return (
    (permissions & PERMISSION_MANAGE_REPORTS) === PERMISSION_MANAGE_REPORTS
  );
}