Files
chess-project/src/lib/savedGames.ts
T

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2.9 KiB
TypeScript

import { Personality } from "./personalities";
import { StockfishEvaluation } from "./stockfish";
import { SupportedLanguage } from "./i18n/translations";
export type SavedGame = {
id: string;
fen: string;
pgn?: string;
selectedPersonality: Personality;
playerColor: "white" | "black";
updatedAt: number;
evaluation?: Pick<StockfishEvaluation, "score" | "mate" | "depth"> | null;
language?: SupportedLanguage;
};
const STORAGE_KEY = "chess_tutor_saves";
const LEGACY_KEY = "chess_tutor_save";
const parseSavedGames = (): SavedGame[] => {
const raw = localStorage.getItem(STORAGE_KEY);
if (!raw) return [];
try {
const data = JSON.parse(raw);
if (!Array.isArray(data)) return [];
return data.filter(Boolean).map((game) => {
if (game && typeof game === "object" && "apiKey" in game) {
const safeGame = { ...(game as SavedGame & { apiKey?: string | null }) };
delete safeGame.apiKey;
return safeGame;
}
return game as SavedGame;
});
} catch (e) {
console.error("Failed to parse saved games", e);
return [];
}
};
const persistSavedGames = (games: SavedGame[]) => {
localStorage.setItem(STORAGE_KEY, JSON.stringify(games));
};
const loadLegacySave = (): SavedGame[] => {
const legacy = localStorage.getItem(LEGACY_KEY);
if (!legacy) return [];
try {
const parsed = JSON.parse(legacy);
if (parsed && parsed.fen && parsed.selectedPersonality) {
const legacyGame: SavedGame = {
id: parsed.id || `legacy-${Date.now()}`,
fen: parsed.fen,
pgn: parsed.pgn,
selectedPersonality: parsed.selectedPersonality,
playerColor: parsed.playerColor || "white",
updatedAt: parsed.updatedAt || Date.now(),
evaluation: parsed.evaluation || null,
};
return [legacyGame];
}
} catch (e) {
console.error("Failed to migrate legacy save", e);
}
return [];
};
export const loadSavedGames = (): SavedGame[] => {
const existing = parseSavedGames();
if (existing.length > 0) {
return existing.sort((a, b) => b.updatedAt - a.updatedAt);
}
const legacy = loadLegacySave();
if (legacy.length > 0) {
persistSavedGames(legacy);
localStorage.removeItem(LEGACY_KEY);
return legacy.sort((a, b) => b.updatedAt - a.updatedAt);
}
return [];
};
export const upsertSavedGame = (game: SavedGame) => {
const games = parseSavedGames();
const index = games.findIndex(g => g.id === game.id);
const updatedGames = index >= 0
? games.map(g => (g.id === game.id ? game : g))
: [...games, game];
persistSavedGames(updatedGames);
};
export const deleteSavedGame = (id: string) => {
const games = parseSavedGames().filter(g => g.id !== id);
persistSavedGames(games);
};