Fix Omega promotions
[vchess.git] / client / src / data / challengeCheck.js
1 import { extractTime } from "@/utils/timeControl";
2
3 export function checkChallenge(c) {
4 const vid = parseInt(c.vid, 10);
5 if (isNaN(vid) || vid <= 0) return "Please select a variant";
6
7 const tc = extractTime(c.cadence);
8 if (!tc) return "Wrong time control";
9
10 // Basic alphanumeric check for opponent name
11 if (c.to) {
12 // NOTE: slightly redundant (see data/userCheck.js)
13 if (!c.to.match(/^[\w]+$/)) return "Name: alphanumerics and underscore";
14 }
15
16 // Allow custom FEN (and check it) only for individual challenges
17 if (c.fen.length > 0 && !!c.to) {
18 if (!V.IsGoodFen(c.fen)) return "Errors in FEN";
19 }
20 else c.fen = "";
21
22 return "";
23 }