feat(common): port utils, tests currently broken

src/common/utils/hasPermission.spec.ts

@@ -0,0 +1,37 @@
+import { hasPermission, permissions, hasPermissionOrAdmin } from './hasPermission';
+import { Role } from 'roleypoly/src/rpc/shared';
+import { guildRoles } from 'roleypoly/hack/fixtures/storyData';
+
+const roles: Role.AsObject[] = [
+    {
+        ...guildRoles.rolesList[0],
+        permissions: permissions.ADMINISTRATOR,
+    },
+    {
+        ...guildRoles.rolesList[0],
+        permissions:
+            permissions.SPEAK | permissions.BAN_MEMBERS | permissions.CHANGE_NICKNAME,
+    },
+    {
+        ...guildRoles.rolesList[0],
+        permissions: permissions.BAN_MEMBERS,
+    },
+];
+
+it('finds a permission within a list of roles', () => {
+    const result = hasPermission(roles, permissions.CHANGE_NICKNAME);
+
+    expect(result).toBe(true);
+});
+
+it('finds admin within a list of roles', () => {
+    const result = hasPermissionOrAdmin(roles, permissions.BAN_MEMBERS);
+
+    expect(result).toBe(true);
+});
+
+it('does not find a permission within a list of roles without one', () => {
+    const result = hasPermission(roles, permissions.KICK_MEMBERS);
+
+    expect(result).toBe(false);
+});